If it’s a 1 hour 30 minute half marathon you’re after, run the reps in 1 minute 30 seconds. You get the idea. But is it actually an accurate predictor of half marathon time? Former elite ...
If it’s a 1 hour 30 minute half marathon you’re after, run the reps in 1 minute 30 seconds. You get the idea. But is it actually an accurate predictor of half marathon time? Former elite ...