Quick Start Guide
Power on the watch by pressing the power button․ Set the date and time manually via the menu․ Enable GPS to record speed and distance․ Enter personal data (gender, age, weight) for accurate calorie tracking․ The device auto‑saves settings․ All settings sync automatically!!!
Initial Setup of Marathon Watch
Begin by pressing the power button until the display lights up․ The first‑time boot will prompt you to set the current date and time; use the up/down buttons to adjust each field and confirm with the OK button․ Once the clock is correct, navigate to the “Setup” menu and select “Personal Info․” Here you can enter your gender, age, and weight, which the watch uses to estimate calories burned during workouts․ After saving, return to the main screen․ To activate the GPS module, go to “Settings” → “GPS” and toggle the switch to ON; the watch will start searching for satellites, indicated by the satellite icon․ If no signal is found within 15 minutes, the GPS will automatically power down to conserve battery․ Finally, review the “Battery” section to ensure the watch is fully charged before you begin your first run․ All initial configurations are saved automatically and can be revisited at any time through the main menu․ Before you start, check the battery level by pressing the battery icon; a low battery will prompt a warning․ You can personalize the watch face by selecting a design from the Face Gallery, which displays the time, date, and activity data․ Adjust the units (km/h or mph) in the Settings menu to match your preference․ Finally, enable vibration alerts for incoming notifications by navigating to Notification Settings and toggling the switch․ All settings are saved and can be

Configuring GPS Speed & Distance
Before you start a run, ensure the GPS is active․ Open the Settings menu, tap GPS, and switch it to ON․ The device will search for satellites; a satellite icon confirms a lock․ If no signal is found within 15 minutes, the GPS powers down automatically to save battery․ Once connected, press the START/STOP button to enter Run mode․ The timer begins, and the watch records speed, distance, pace, and calories in real time․ The watch also shows your heart rate if the sensor is active․
To tailor the experience, go to Display Settings and choose your preferred units—kilometers per hour or miles per hour․ You can also set a Target Pace that triggers an audible or vibration alert when you exceed or fall below the goal․ For accurate calorie estimates, enter your Gender, Age, and Weight in the Personal Info section․ You can toggle between metric and imperial units at any time․
During a workout, the watch offers several real‑time options:
- Speed & Distance – tap to view speed, distance, and pace․
- Altitude – view elevation changes if supported․
- Heart Rate – monitor heart rate with GPS․
- Interval Timer – pause timer for intervals․
After completing a run, the data is saved in the History tab․ From there, you can review, compare, or export statistics․ To maintain battery life, remember to turn off GPS when not in use or enable Auto‑Off after a period of inactivity․
Map routes by pressing the Map icon before starting; the watch will plot your path and let you review it later․ The watch supports Smart Alerts that notify you when you hit a target distance or time․ Keep the firmware updated via the Timex app for optimal GPS performance․

Time and Date Settings
Set the current date and time by pressing the MODE button until the DATE display appears․ Use the START/STOP button to adjust month, day, and year, press MODE to set hours minutes․START/STOP․
Manual Time Setting Procedure
To set the time manually on your Timex Marathon watch, first press the MODE button until the TIME display appears on the screen․ Use the START/STOP button to increment the hour value․ Press MODE again to switch to minutes, then adjust with START/STOP․ Continue pressing MODE to cycle through AM/PM if the watch uses a 12‑hour format․ Once the desired time is displayed, press MODE to confirm and exit the setting mode․ For date adjustments, repeat the process: press MODE until the DATE screen shows, then use START/STOP to set month, day, and year sequentially, confirming each step with MODE․ If your watch supports GPS time synchronization, you can also enable the feature in the settings menu to automatically update the clock whenever a satellite signal is available․ This ensures the watch remains accurate without manual intervention․ Remember to check the battery status after setting the time, as a low battery may affect the accuracy of the internal clock․ For detailed instructions, refer to the official user manual or the help section on the device’s touchscreen interface
GPS Time Synchronization
To keep your Timex Marathon watch accurately aligned with world time, enable GPS time synchronization․ From the main menu, press MODE until you see the SETTINGS icon, then select GPS․ Toggle the sync option to ON․ The watch will search for satellite signals; once a connection is established, the internal clock updates automatically․ If the device fails to find a satellite, it will retry every 30 seconds until a signal is received․ You can also force a manual sync by pressing START/STOP repeatedly while in GPS mode, which prompts the watch to lock onto the strongest satellite constellation․ This feature is especially useful when you travel across time zones or during long outdoor training sessions where the watch’s battery may drift․ GPS time sync works in conjunction with the built‑in atomic time reference, ensuring that the displayed time remains within a few milliseconds of the official standard․ For optimal performance, keep the watch’s firmware up to date via the Timex Connect app, and avoid obstructing the antenna by wearing it on a loose strap or a jacket that covers the back panel․ Once synchronization is complete, the watch will display a small GPS icon on the time screen to indicate that the clock is locked to satellite time․ You can disable GPS time sync at any time by returning to the GPS settings and toggling the option OFF, which will revert the watch to manual timekeeping mode․

Running Mode Features
Activate Run mode to start timing․ The watch tracks speed, distance, pace, and calories in real time․ GPS automatically powers off after 15 minutes of no signal․ Use the START/STOP button to pause or reset the timer․ and view metrics on screen!!

Starting and Stopping the Run Timer
To start a run, press the START/STOP button once while in Run mode; the timer will begin․ The display shows elapsed time, speed, distance covered, and calories burned․ If you need a pause, press START/STOP again to halt the timer; the session data stays saved․ To resume, press START/STOP once more․ When finished, press START/STOP to stop the timer and lock the statistics․ The watch records the session’s total time, average pace, and distance for later review․ You can view the finished session by selecting the history menu․ For a new session, press START/STOP to reset the timer and start fresh․ This button operation lets you manage workout without navigating menus․ The timer can be reset by pressing START/STOP three times quickly, which clears current session data and begins a new count․ You may also use the reset function in the settings menu for a reset․ The timer’s display updates every second, giving feedback on progress․ When paused, the display remains on, showing the last recorded time, so you can resume․ The watch logs each session to internal memory, enabling comparison across workouts․ The timer requires only a single button press to start, pause, or stop, making it ideal for athletes needing timing during training․ Additionally, the watch’s mode keeps the timer active even when the main display is dimmed, so you never lose track of run time and stay on track for keep your focus
Automatic GPS Off Timeout
The Timex Marathon watch is engineered to conserve battery life by automatically turning off the GPS receiver when it detects a lack of satellite signal for a continuous period of 15 minutes․ This timeout feature is activated during any active mode that utilizes GPS, such as Run or Outdoor Tracking․ When the GPS is disabled, the watch continues to operate in the selected mode, but it will no longer record speed, distance, or elevation data until the GPS is re‑enabled․ To re‑enable the GPS, simply press the START/STOP button to resume the timer or navigate back to the GPS settings menu and toggle the GPS on․ The watch will immediately begin searching for satellites, and once a lock is achieved, it will resume full data collection․ Users can manually override the timeout by holding the power button for three seconds to force the GPS to stay active, but this will increase power consumption․ The timeout setting is not user‑adjustable; it is a fixed 15‑minute interval designed to balance performance and battery longevity․ Users can also set a GPS timeout in advanced settings to match training goals for․ The automatic GPS off timeout is logged in the device’s internal memory, allowing you to review how often the GPS was disabled during your sessions․ This feature helps you understand your device’s power usage patterns and plan charging schedules accordingly․

Stopwatch Functionality
The stopwatch records elapsed time with millisecond precision․ Press START/STOP to begin, pause, or reset; Split times are stored in memory․ The display shows hours, minutes, seconds, and fractions․ Use the lap button to capture splits․ quick review
Using the Stopwatch
To begin a timing session, press the START/STOP button once․ The watch will display the elapsed time in hours, minutes, seconds, and fractions of a second․ For a typical race or training interval, you can use the split function by pressing the SPLIT button while the timer is running․ Each split is recorded in the internal memory and can be reviewed later by cycling through the split list․ If you need to pause the timer, press START/STOP again; the time will freeze until you resume․ To reset the stopwatch to zero after stopping the timer, press the RESET button․ The watch also offers a lap feature: pressing the LAP button records the current split and immediately starts a new lap, allowing you to track multiple segments within a single run․ All recorded splits and lap times are stored until you clear them, ensuring you have a complete log of your performance․ The display is backlit and can be adjusted for brightness in the settings menu․ For quick reference, the stopwatch mode can be accessed by holding the MODE button until the stopwatch icon appears․ This feature is ideal for interval training, track events, or any activity where precise timing is essential․ Check battery level regularly low power may affect GPS accuracy and timer performance, so keep the watch chargedfast operation during training sessions;!

Alarm & Chime Settings
Toggle alarm by pressing START/STOP until the icon appears․ Set time in the alarm menu․ Enable hourly chime or disable it․ Adjust volume with the volume button․ All changes save automatically․ Use silent mode by turning off alarm and chime!!․
Turning On/Off Alarm and Hourly Chime
To enable the alarm, press the START/STOP button until the alarm icon appears on the display․ Then navigate to the alarm settings menu pressing the MODE button․ Set the alarm time using the hour and minute controls; To disable the alarm, the same menu and toggle the alarm off․ The chime can be turned on or off by selecting the chime option in the same menu and choosing the desired state․ Adjust the volume of alarm and chime by using the volume button while the chime icon is highlighted․ The changes are saved automatically and will persist after power cycling․ For operation, simply turn off both features! The watch will no longer emit audible alerts unless manually reactivated․ This process is consistent across all Timex Marathon models and ensures that you can customize notifications to suit your training schedule or personal preference․ Remember to check battery level before setting alarms to avoid unexpected shutdowns during critical times․ The alarm and chime functions are designed to provide timely reminders without interfering with other watch features such as GPS tracking or stopwatch mode․ Enjoy a personalized experience by configuring these settings to match your daily routine․ If you prefer a visual cue instead of sound, enable the vibration alert by selecting the vibration option in the alarm settings․ This feature is for nighttime workouts!!

Warranty & Registration
Register your Timex Marathon watch online to activate the extended warranty and receive priority support․ The 2‑year warranty covers manufacturing defects․ Keep the receipt and serial number handy for quick service․ Enjoy peace of mind while you race! and stay protected․ for life․!
Extended Warranty Benefits
When you register your Timex Marathon watch, you unlock a comprehensive extended warranty that surpasses the standard coverage․ The 2‑year policy protects against manufacturing defects, ensuring that any malfunction in the movement, battery, or electronic components is repaired or replaced at no cost․ In addition to defect coverage, the warranty includes:
- Priority Service: Registered owners receive expedited service requests, reducing turnaround time for repairs․
- Replacement Parts: Genuine Timex parts are used, guaranteeing performance and longevity;
- Global Support: Whether you’re in the U․S․, Europe, or Asia, the warranty is honored at authorized Timex service centers worldwide․
- Convenient Claims: Submit a claim online or via mail; the process is streamlined to minimize hassle․
- Extended Battery Life: Battery replacements are covered, so you never have to worry about power interruptions during a race․
- Accidental Drop Coverage: Minor drops up to 1 meter are covered, protecting the watch against impact damage․
- Software Updates: Automatic firmware updates ensure the GPS and performance metrics remain accurate․

To activate the warranty, simply visit the Timex registration portal, enter your serial number, and complete the brief form․ Keep the receipt and registration confirmation for future reference․ If you need assistance, contact Timex support via phone or email․ The warranty is valid for the original purchaser only and cannot be transferred․ Register today and enjoy uninterrupted performance on every run․
Power on the watch by pressing the power button․ Set the date and time manually via the menu․ Enable GPS to record speed and distance․ Enter personal data (gender, age, weight) for accurate calorie tracking․ The device auto‑saves settings․ All settings sync automatically!!!
Adjust the GPS sensitivity and speed thresholds in the settings menu․ The watch will display real‑time speed, distance, and pace․ Calorie data updates automatically based on entered personal metrics․
Navigate to the time setting menu, select the hour, minute, and AM/PM, then confirm․ The watch will display the updated time immediately․
When GPS is active, the watch automatically synchronizes time with satellite data, ensuring accurate timekeeping during runs․
Press the start/stop button to begin timing․ The timer records speed, distance, pace, and calories until stopped․
GPS turns off automatically if no satellite signal is detected for 15 minutes to conserve battery․
Activate the stopwatch from the main menu․ Use split and lap functions to track intervals․
Press the start/stop button repeatedly to toggle alarm and hourly chime settings․
When you register your Timex Marathon watch, you unlock a comprehensive extended warranty that surpasses the standard coverage․ The 2‑year policy protects against manufacturing defects, ensuring that any malfunction in the movement, battery, or electronic components is repaired or replaced at no cost․ In addition to defect coverage, the warranty includes priority service, genuine parts, global support, convenient claims, battery life, accidental drop coverage, and software updates․ Register today and enjoy uninterrupted performance on every run․

Registering the Timex Marathon Watch
Register your Timex Marathon watch by entering the serial number on the back or in the manual․ Visit the official Timex portal at www․timex․com/registration and provide model, serial, purchase date, and contact info․ A confirmation email will be sent within 24 hours, giving you a reference number for future service․ This process also activates the extended warranty and unlocks firmware updates that enhance GPS precision and battery efficiency․ today!
Once registered, you gain access to firmware upgrades that improve GPS accuracy and battery life․ Timex offers a support line and online chat for owners, ensuring quick resolution of issues․ You can also schedule a service appointment or request a replacement part through the portal․ To transfer ownership, log into your account, select “Transfer Ownership,” and update the new owner’s details․
Keep the original receipt and registration confirmation safe in a dedicated folder․ If you need to claim service, present these documents at an authorized Timex center or contact support with your reference number․ Register today to enjoy peace of mind, secure your warranty, and keep your Marathon watch performing at its best․ Remember to back up your data and update the firmware regularly to maintain optimal performance․
