Best Marathon Alarm Clocks in 2026

𝗘𝘅𝘁𝗿𝗮 𝗟𝗼𝘂𝗱 𝗔𝗹𝗮𝗿𝗺 𝗖𝗹𝗼𝗰𝗸: Sonic Alert store brings the loudest alarm clock for kids of all ages. Our 113db extra loud sonic bomb alarm clock allows you to adjust the volume and snooze time of the alarm. In addition to these adjustments, the alarm clock features red flashing alert lights specifically designed for heavy sleepers. It doesn’t matter how much of a heavy sleeper you are; you’re never going to be late for your college lectures using the Sonic Bomb Alarm Clock.

𝗔𝗱𝗷𝘂𝘀𝘁𝗮𝗯𝗹𝗲 𝗔𝗹𝗮𝗿𝗺 𝗗𝘂𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗻𝗼𝗼𝘇𝗲 𝗧𝗶𝗺𝗲: You can adjust the duration of the alarm for 1-59 minutes and snooze time between 1-30 minutes.

𝗩𝗶𝗯𝗿𝗮𝘁𝗶𝗻𝗴 𝗨𝗻𝗶𝘁: Waking up early in the morning can be difficult. That’s why the Sonic Bomb alarm clock comes with a super shaker to jolt you out of your sleep within seconds. The super shaker is a bed vibrating unit that vibrates when this alarm clock goes off to ensure that you always wake up on time. It also has three different modes: vibration, buzz, or vibrate/buzz combo. Allowing you to choose the mode that best meets your needs.

Whilst Most Travel Clocks on the market contain extras like date, temperature, stopwatch, timer; our customers told us that they never use them and it makes the clock more complicated to use and set up. So, we listened, and have removed them completely. We also redesigned the time and alarm functionality based on customer feedback.

Extremely Simple To Operate - The clock has been designed with absolute simplicity in mind and you will have no problem whatsover operating it. Easy for children, seniors and the elderly.

Clear Display With Light - The Travel clock has a clear display with a convenient 5 second on-demand light which can be used to see the time at night.

SILENT SMOOTH SWEEP CLOCK - Marathon's Analog Desk Alarm Clock with Auto-Night Light is the perfect marriage of form & function. It’s engineered with a silent, continuous-sweep second hand quartz movement that doesn’t emit a ticking sound.

AUTOMATIC BACKLIGHT - The ambient light sensor ensures the face of the clock is illuminated in the dark & easy to read.

ALARM & SNOOZE - It’s easy to set the alarm function with conveniently placed on/off and snooze buttons on the top of the clock. They’re easily accessible even in the dark.

✔ Multi-function Digital Day Clock : The 11.5 inch Extra Large LED display clearly shows the time, period of the day, full day of the week, month and date in large letters that is easy to read without cofusing abbreviation. What's more, it will monitor and display the indoor temperature accurately in ℉/℃, perfect calendar clock for all the range including kids, elderly, seniors, visually impaired, dementia patients and hearing impaired.

✔ 3 Alarm Clock with Big Snooze Button and Dimmer: Easily setting 3 alarms with this Digital Alarm Clock separately. You could set an alarm on Weekend only, Weekdays only or Everyday and turn them OFF for 24 hours or permanently. The Snooze Button on the top enable you to sleep for few more minutes before you have to get up. The manual brightness control function got 5 levels so you could adjust to your personal comfort one and protect your eyes.

✔ Digital Desk and Wall Clock with Dual USB Charger: The Digital Clock has a stand for displaying on a desk/shelf/nightstand, as well as a keyhole slot for easy wall-mounting. The dual USB ports of the clock allow you to charge your phone and tablets at night. A modern decoration alarm clock for bedroom, kitchen, living room or office.

Atomic Accuracy: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates.

Jumbo 4” Tall LCD Time Display - Easy to Read, Easy to Use, Easy to Set up - Use as either a wall clock, or as a desk clock with integrated stand. Perfect for anyplace in your home.

Displays time (hours, minutes, seconds), indoor and outdoor temperature, calendar and day of week

COMPACT LIGHTWEIGHT-The flip-out stand can fold over to make a cover to protect the screen and your settings when packed.This folding clock is compact and lightweight,perfect for travelling as well as for everyday use at home.It only requires 2 AAA battery(not included) with low power consumption

EASY TO SET UP-It is very easy to set up without tricky operations.The buttons dont beep when you press them while setting.Bold numbers on the clear screen make it easier to see the time even across the room.User friendly for children and seniors

ALARM VOLUME HIGH/LOW OPTIONS-The alarm is reasonably loud without being shocking.It starts to beep slowly and then gets faster for 2 minutes to gently wake you up.Moreover the alarm volume has high and low options to meet your need

SELF-SETTING, SELF-ADJUSTING CLOCK - Simply insert batteries & the Marathon Crystal Framed Atomic Wall Clock will synchronize to the correct time using radio frequencies broadcast from NIST’s Colorado Atomic Clock (only functions in North America).

LARGE DISPLAY - The clock’s large numbers and elegant, transparent, acrylic outer frame make it ideal for a home, office, school, or hospital. It easily hangs on a wall or can be placed on a table top using the sturdy fold-out stand.

MULTIPLE MODES - Choose from 3 different displays: AM/PM or 24-hour format; the month, weekday, & date; or the indoor temperature in °C or °F, plus humidity. Language can be displayed in English, Dutch, French, German, Italian, Russian, or Spanish.

LARGE DIGITAL CLOCK - The Marathon Large Digital Wall/Desk Clock features a high contrast 7.5-inch LCD display and large digits, ensuring the time is easy to read from across the room. It’s perfect for office, classroom, lab, or home use.

DESKTOP OR WALL MOUNT - Use the integrated keyholes on the back of the clock to mount it on the wall, or use the fold-out stand for desktop placement.

ALARM WITH SNOOZE - This clock features a loud, easy-to-set alarm with snooze function.

【Big Screen Display】- 5.5" High Resolution Digital Alarm Clock clearly spells out the time, date, temp. Illuminated LED digits ensure it's clear enough to see the time in the distance.

【Adjustable Alarm Brightness】- 6 Brightness Levels from 5% to 100%, no need to worry about the brightness is too high to affect your sleep or too dark to read the time.

【Adjustable Alarm Volume】- Adjustable Alarm Volume with 8 sounds can be set from 30-90 DP as person preference. Easy snooze with a simple press of the top button to get an extra 9-mins nap.

Led screen with large digits display - Soobest digital wall clock has a 11.5 inches large led screen display with 3 inches eye-catching number display, there is no doubt that you can see it from any angle or at any indoor-distance, and the digit size is also big enough to recognize. Besides, you could check date & year on the screen, no worries about missing important appointment.

Wall clock with seconds display - This large led wall clock could display seconds on its screen. Seconds display is definitely a useful detail for a digital clock. It could help you set time with a better accuracy without missing dozens of seconds. What’s more, you could arrange your body-shaping plan with this seconds display as a gym timer.

Different brightness dimmer - 5 levels adjustable dimmer, no matter the environment is too bright or too dark you can still see the time by adjusting the brightness with 1 button. If you want to have a good sleep, just set the lowest brightness before going to bed, or turn to the most shining level while your room has sufficient lighting.

Compact Size -- measured at 3.25" x 3.25" x 1.6" , light weight (3.5 oz), 1 AA battery operated, fits perfectly as a desk /bedside / nightstand wake up clock, but also great for travel alarm clock .

Completely Silent - Super quiet concise design alarm clock without annoying tick tock sound, ideal for those who need complete silence to fall asleep.

Snooze and Light Function– Snooze and light button locates on easy-to-find top place. Hold button down for 5 minutes snooze or to light up the clock face on demand to see the dial momentarily in the darkness.

【Wireless Charging Alarm Clock】Wooden Alarm Clock with Wireless Charging support to charge your smart devices, convenient for you to place and charge your phone at the same time. The built-in Wireless Charging pad is compatible with all phones supports wireless charging so you can rest your device on top for easy charging with no wires.

【5 Level Brightness Adjustable alarm clock】Compared with the old version of 3-level dimming, this new version digital alarm clock has more clear LED digits with 5 level range dimmable, you can easily adjust to your favorite brightness level, no more shining display at night for those who are very sensitive to light when sleeping.

【Dual Alarm Clock Setting】Dual alarm function allows you to set two different wake-up times to ensure you are never late for work. Also, it allows you to set weekday mode, which will ring only on Monday to Friday.

BACK TO BASICS: With this wooden clock, get back to a classic look with a modern design twist. Analog clocks provide a nostalgic style and this one comes in natural wood for a one-of-a-kind finish.

FUNCTIONAL: The battery-operated alarm clock has a light button to illuminate in the middle of the night. The button doubles as a snooze function that works in 5-minute intervals.

PEACEFUL: Unlike old-fashioned clocks, this one is non-ticking and silent so you can sleep peacefully. You won't be bothered my obnoxious backlighting either - the clock face remains dark unless you press the button on top to check the time.

Ultra Small (2 ¼" x 2 ¼" x 1 ¼"), light weight (2 oz), square features make this travel alarm clock stands out in a crowd. It fits easily into a suitcase even your pocket during your journey.

A large convenient alarm on/off switch is located on top where it is easy to reach. Easy access snooze and light bar is on right hand side of the front, away from the backside time and alarm setting wheel.

Manual-backlit illuminated dial glows evenly across the entire dial for night time viewing. Luminous hands will glow for a few minutes after the lights have been turned off.

Atomic self-set time with automatic DST updates (on/off option)

Indoor temperature only (no outdoor) reads in Fahrenheit or Celsius

Complete time, date, with indoor temp; Clock is freestanding or wall mountable

MULTIPLE FEATURES: Our digital wall clock displays time, temperature (Celsius or Fahrenheit), calendar, and moon phases

MULTIPLE LANGUAGES: Day of the week is available in 7 languages- English, French, Dutch, Danish, Spanish, Italian, and German

SNOOZE FUNCTION: Set up to three separate alarms with snooze function

Atomic Alarm Clock - The Atomic Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within on second as it receives daily WWVB updates.

The Sharp Atomic Clock (Model - SPC932) can be easily mounted to the wall or can be used on table top or desk with the built in stand. 3 x AAA batteries Needed (not included).

Calendar and Day of Week Display - Always know what day of the week it is with a quick glance. The clock displays the calendar and the day of the week.

SELF-SETTING, SELF-ADJUSTING CLOCK - Insert the battery provided & the Marathon Travel Atomic Alarm Clock will synchronize to the correct time using radio frequencies broadcast from NIST’s Colorado Atomic Clock (only functions in North America).

AUTOMATIC BACKLIGHT - This clock uses a built-in light sensor to detect if the clock has been placed in a dark environment. The backlight can also be manually operated.

INFORMATIVE DISPLAY - The easy-to-ready display includes the time in 12- or 24-hour format, the indoor room temperature in Celcius or Farenheit, and the month, date & day in English, French, German, Italian & Spanish.

SILENT SMOOTH SWEEP CLOCK - Marathon's Analog Desk Alarm Clock with Auto-Night Light is the perfect marriage of form & function. It’s engineered with a silent, continuous-sweep second hand quartz movement that doesn’t emit a ticking sound.

AUTOMATIC BACKLIGHT - The ambient light sensor ensures the face of the clock is illuminated in the dark & easy to read.

ALARM & SNOOZE - It’s easy to set the alarm function with conveniently placed on/off and snooze buttons on the top of the clock. They’re easily accessible even in the dark.

BRIGHT LED DISPLAY WITH 4.7 cm LARGE DIGITS: Variable display modes, choose between high (bright), low (dim) or off

USB CHARGING: 1 Fast charging USB port on the right side for convenience

ALARM WITH SNOOZE: Easy to set alarm with snooze function (5 minute intervals)

【Easy to Use Multifunctional Digital Clock】3.54 inch clear eye-protection LCD display shows clock time, alarm time, calendar date, day of the week and indoor temperature (℉/℃). 6 control buttons are designed on the front for intuitive and simple operation. All settings can be completed in minutes. 12H/24H time format is available. Temperature units can be switched between Fahrenheit and Celsius.

【Small and Light Basic Bedside Clock】This balck foldable digital clock is made of high quality ABS material. The modern and minimalist look makes it suitable for bedroom, office, living room, dormitory, dinning room or any other room. The pocket size (4"*3.15"*0.75") makes it a portable alarm clock that can be used on your nightstand, table, desk or keep it in your handbag when you travel. It is a ideal gift for adults, children, teenagers, students and kids boy.

【9-Mins Snooze and Weekend Mode】When the alarm goes off, press the big snooze button will give you an extra 9 minutes of sleep. One-press to activate the weekend mode, the alarm will only go off from Monday to Friday and it will not disturb you on the weekend. Weekend mode only works when the alarm is on. Tip: When the alarm sounds, if you do nothing, it will go off for 3 minutes, snooze for 7 minutes, repeat the cycle 3 times and then turn itself off.

SLIM JUMBO DISPLAY - This clock looks sleek and stylish, featuring 3.25-inch digits for easy viewing. Choose to display the time in 12 or 24 hour format

MULTI LINGUAL OPTIONS: Days of week and month in 3 languages and user selectable- English, French and Spanish

ALARM WITH SNOOZE: Easy to set alarm with snooze function

🌦️【Atomic Accuracy】The atomic clock has a built-in receiver,that automatically receives the WWVB broadcast signal of the National Institute (NIST) of Fort Collins, Colorado, USA, and the signal will never change because it receives daily WWVB updates.Insert batteries, wait a few minutes as it sets itself【Note】The fragile screen is easy to damage during shipping. If the screen is broken on arrival, please contact our customer service to replace the product.

🌦️【Huge 4.5” Tall LCD Time Display】Atomic wall clock has large 4.5" tall LCDdisplay screen - easy to read, Displays time (hours, minutes, seconds), indoor and outdoor temperature, calendar and day of week.The large wall clock can be hung on the wall or placed on the table for standing, especially suitable for the elderly living at home.Very clear to read from across the room【Note:Smudges on the sccreen are expected but will go away quickly.】

🌈【Wireless Outdoor Sensor】DOVEET atomic clock has a built-in receiver that automatically receives the WWVB broadcast signal of the National Institute (NIST) of Fort Collins, Colorado, USA. It will measure accurately indoor/outdoor temperature & humidity in °F or °C, outdoor thermometer wireless sensor range up to 328ft(100M). Hope this atomic clock will be a nice assistant of your life.

⏰【0～100% Brightness Adjustable】 This wooden alarm clock has more clear LED digits with 0～100% full range dimmable, you can easily adjust to your favorite or suitable brightness level, even the LED lights can be turned off completely. It’s user friendly at night, which won’t be too harsh for your eyes. Therefore, you can also have a comfortable night's sleep.

⏰【2 Display Formats, Support Switching】 Alarm clock with LARGER screen clearly shows the date, day of the week, time (12-hour/24-hour mode switching), 2 alarms (Alarm 1 & Alarm 2 display icons) and the temperature (°C/ °F switchable), so you can get the important informations at the same time. USB power supply, time memory function, meet your needs and bring you a better user experience.

⏰【Dual Alarm & 9 Mins Snooze】 You can set 2 alarms, one for you and the other for your families, effectively saying goodbye to being late. Also, it allows you to set Weekday mode, which will ring only on Monday to Friday. This multifunctional wood alarm clock also has a snooze function, when the alarm goes off, you can activate the 9-minute snooze function with a single press of any button.

DIGITAL DESKTOP CLOCK - Marathon's digital desk clock is ideal for anyone's desk or nightstand. It’s lightweight, compact, and easy to use, making it perfect for all ages. Plus, it’s available in White, Blue, Black, Pink, and Gray.

LARGE DISPLAY - This clock features a large, high-quality display with enhanced contrast for maximum legibility. The vibrant blue backlight is button activated, gentle on the eyes, and stays lit for approximately 10 seconds.

DUAL ALARM FUNCTION - The Dual Alarm (weekdays & weekends) includes a conveniently located, easy-to-use snooze button.

Compact Alarm Clock - Size 2.2" x 2.2" x 1.0", and 2 oz. This travel alarm clock is so small that you can hold it in your hand easily. The square clock doesn't take up any extra space. You just need to leave a little space in your backpack to carry it.

Simple to Setup - There are only two setting wheels on the back, time and alarm, which is a convenient classic design, turn the wheel to adjust the time and the alarm, and the light button is placed on the front of the alarm clock.

Unique Alarm Switch Design - Alarm on/off switch is located on top of the small analog clock where it is easy to reach. Lifting is open and pressing is closed. It’s easy to tell if the alarm is on or off.

Multiple Features - A clock that satisfies all you need. Large font display makes it bold and easy to read. Not only does it tell the date, time, and temperature, but also it has features with alarm clock and timer.

Portable And Elegant - A minimized size of 3" x 3.4" x 0.5", compact and lightweight for easily pack or toss into your purse. Collapsible with a stable stand, perfect size for a travel clock.

Easy Operated – Please note to update the “Year” before setting the correct day. (Press the “Set” button three times to get to the year). You can watch the video instruction on the detail page or read the instruction on the description part to easily set with more features. If you have trouble setting the clock, please do not hesitate to let us know!

Crescendo beep alarm - The beep alarm gets more frequent and louder if you do not turn it off

Snooze / backlight function (Snooze interval is 5 minutes/Light illuminates for 10 seconds once manually activated)

Negative LCD display with date, month and temperature (°C or °F) displayed and a continuous backlight function that illuminates the display when in a low-light environment to maximise legibility at night. 12 hour / 24 hour setting option. *the digital display may vary in contrast depending on room lighting

🌈 HIGH DEFINITION DISPLAY: The atomic clock has an upgraded large LCD screen, which is friendly to the elderly or visual impairment. The screen displays indoor outdoor temperature, alarm, time and date; 6 time zones are available, including EST, CST, MST, PST, AKT and HST; the time display comes with 12 / 24 hour format, while the temperature display unit is (°F) / °C for easy reading.

🌈 DUAL INSTALLATION: LFF atomic wall clock has 2 installation methods, it includes a table stand and a wall mount to make it stand on the table or hang on the wall. It has simple buttons, easy to set. You can manually set the time zone, language, date, time, RCC reception, alarm clock and reception channel in sequence (Default channel 1).

🌈 POWERED BATTERY: Atomic clock indoor outdoor thermometer is powered by 4 AA batteries(not included), the wireless outdoor sensor is powered by 2 AAA batteries(not included). Functional and stylish design makes it a perfect decor to kitchen, living room, bedroom, library and office. (Note: no backlight display)

BC03B; BRAUN ALARM CLOCK; BLACK; UPGRADED VERSION

CRESCENDO ALARM; QUIET SWEEP MOVEMENT; INTEGRATED FOOT SNOOZE

LUMINOUS HANDS; LIGHT WITH 5 SECOND DELAY; QUARTZ; 77MM*77MM*30MM