The following is a list of supported apps/devices that can be used to track the mileage for your race:
Apple and Map My Fitness are also currently available. 

Apple
DailyMile
Fitbit
Garmin
Jawbone UP
Life Fitness
Lumo
Map My Fitness
Map My Walk
Map My Run
Microsoft
Misfit Wearables
Moov
Movable
Moves App
Nokia (formerly Withings)
Omron Wellness
Pear Sports
Polar
Runkeeper
Strava
Striiv
Tom Tom MySports
Vita Dock

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