3 ms·

There is one more reason for discontinuity around 4:00 - many amateur runners make a goal to run in 4:00 or less (hard but achievable) and reduce training inten

There is one more reason for discontinuity around 4:00 - many amateur runners make a goal to run in 4:00 or less (hard but achievable) and reduce training intensity once they finished in 3:5x - 4:00.

noqc 3y ago
That doesn't explain a discontinuity, and moreover, the effect of the pace runners has yet to be controlled for, so there is no more explanation required.