2 min
30 Second Run Intervals to Help Your Running Speed FC Endurance - Triathlon Tips for Iron and Half Iron Distance Triathletes.
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- Sport
We love 30-second intervals to help improve your run speed in a triathlon. These can give your running speed a boost with a very low risk for injury.
We love 30-second intervals to help improve your run speed in a triathlon. These can give your running speed a boost with a very low risk for injury.
2 min