The Ironman Run X20 GPS by Timex is the ultimate training partner. Using built-in GPS, the Run X20 GPS watch is a lightweight, ergonomic wearable device that allows you to track your distance, pace, speed, and calories burned. The Run X20 also comes with additional training functionality like pace alerts, interval timers, and lap counters to take your training and performance to the next level. The Run X20 GPS is currently retailing for $130.00.