Zwift Insider VO2sday Micro Races

Starts 1800 BST on 5th May 2026.

Five mini TTs, spaced 10mins apart.

Usually a mix of flat; uphill; rolling; downhill routes.

No drafting.

No restriction on frames or wheels.

First week using zFTP for pen allocation, future weeks planning to use Compound Score (hopefully a weight based one like zrCS).

May add more time zones, if popular.