Sweet Spot Trial FR3 x 8min at sweet spot Author: FozSport: bikeDuration: 46 minDominant zone: thresholdIntensity: 0.86Updated: 2026-04-22T09:32:24.215ZStructure10 min @ 72% (72w)3X8 min @ 95% (95w)4 min @ 72% (72w)