Set your Crush It to match the stage time, and when the RO starts his timer, start yours simultaneously. Visually (and audibly) monitor the remaining time in your run, allowing you to gauge when to speed up or slow down. Remove the unknown with the MDT Crush It - Stage Timer.
Ready to use out-of-the-box for a preset 2-minute stage, or use Custom Mode to fully customize every aspect of your timer; time, various alert points throughout, tone type, volume, starting tones, and ending tones. Also choose between graphics mode, or digits mode to change how your time is displayed.