Timex® IRONMAN® Run X20 GPS Watch

Real-time speed, pace, distance and calories on your wrist
Crisp, easy-to-read display
Simple menu-based system
Interval Timer to coach you through run/walk routines or speed workouts
50-meter water resistance, so you can splash and swim worry-free - GPS reception not available with watch in water
5 new from $55.52 7 used from $44.42
source