You should do 80% of your running nice and slowly, and only 20% "fast"
time or distance?
time (from what I can gather, it's one of the things he doesn't state simply)
In practice either will work, taking some random paces:-
4 hours at 7min/km = 34.29km 1 hour at 5min/km = 12km
34.29/46.29 = 74% which is close enough
@Greenbank started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
time or distance?