It's you, your TT bike, and a race against the clock! Every week in eight-time zones (midweek and weekend).

Each week is a stand-alone race and, in addition, a monthly GC classification for racers who complete all races.

Information
Riders enter according to Zwift's category enforcement.
TT bikes - all riders will be visible on the course without a draft.
Z Power and riders without heart rate data will be removed from the results.
Open event with separate results for Women and Men.
Should a rider race in multiple zones, their best time will count.
Completing the race unlocks the SISU Racing kit.

For more information, visit https://www.sisu.racing/ittOpens a new window.

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