It's no longer enough to train hard, you have to train smart if you want the edge. The Timex Ironman Race Trainer Digital Heart Rate System provides elite athletes the necessary performance measurement data to succeed. With a 10-workout memory, 50-lap chronograph with average heart rate per lap, and five interval timers with individual heart rate target zones, the Race Trainer System makes serious training seriously easy.

• Key Features:
• 5 variable intensity interval timers
• 100-hour chronograph with lap and split
• 50-lap memory for each workout & average heart rate
• 100-hour, 3-mode countdown timer
• 3 alarms: daily, weekly, weekly with 5-min backup
• Polyurethane integrated strap
• Water-resistant 100m
• INDIGLO® night-light with NIGHT-MODE® feature.

Heart Rate Monitor Features:

10 Workout Memory

Calories Burned

Five Linked Interval Timers with target zones

Average Heart Rate - for workout and each lap

Time in Zone - 6 selected heart rate target zones

%-of-Max Heart Rate Display

Recovery Heart Rate Timer (during/after workout)

Digital Transmission protects from cross-talk

Data Xchanger USB Compatible (sold separately) connects the watch to your computer and allows you to upload and analyze data.

Owner Replaceable Battery in heart rate sensor.