Z4-Z5 buildersAuthor: SpartanSport: bikeDuration: 128 minDominant zone: TempoIntensity: 0.78Updated: 2026-04-22T10:41:15.360ZStructure20 min @ 50-85% (50-85w)2X20 min @ 88% (88w)10 min @ 50% (50w)8 min @ 105% (105w)10 min @ 50% (50w)10 min @ 95% (95w)20 min @ 50% (50w)