Mike Birkbeck
Cumbria CA16, UK, England, United KingdomSign up to view more activities from Mike Birkbeck
Zwift - Sustained aerobic power (hour of power) on Volcano Flat in Watopia
Zwift - Endurance Intervals (3) on Volcano Flat in Watopia
Zwift - Threshold efforts with fast starts on Hilly Route in Watopia
Zwift - Zwift Games 2024 Epic in Watopia
Zwift - Z4 on the climbs (3) on The Highline in New York
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