Thursday, December 12th
6:30PM GMT
BRT Thunderbolt Stage Race: Stage 4 (Europe)
Welcome to the BRT Thunderbolt Stage Race, from December 8th to 3th!

This is Stage 4: Road race on the Innsbruck Afterparty Course. It's time for the climbers to come out and play on this course that features not only a summit finish, but there will be time bonuses of 3, 2 and 1-second for the top three finishers in each category.


- Riders must opt-in and be fully registered with ZwiftPower
- Riders exceeding 5W/kg for 95% of 20 minute power, inclusion in results will be subject to verification
- Riders exceeding 6W/kg for 5 minute power, inclusion in results subject to verification
- Heart rate monitor is required for official result placement
- Powermeter or smart trainer is required for official result placement
- Riders going over category limits will be automatically upgraded
- Riders racing below their ZwiftPower category will be disqualified
- Official results at a new window


Europe: December 13th at 18:30 UTC
North America: December 13th at 21:00 UTC

- Stage 5: London Classique


- a new window for all rules, results, and joining the team
- a new window for event updates