Sweet Spot 4×20 – Century Prep Intervals

Basics

118 min

IF 0.69

Eighty minutes of sweet spot work in four 20-minute blocks. A key session for gran fondo and century preparation when you need serious time-in-zone.

Duration

118 min

Blocks

Intensity

0.69

Workout analysis

Session profile and interval structure.

warmup · 55%10 min

Repeat 4 times

active · 90%20 min

recovery · 55%5 min

cooldown · 45%8 min

Training purpose

Sweet spot work builds muscular endurance and FTP efficiently by stacking quality time just below threshold.

Useful when you want sessions that match tags such as Sweet Spot, FTP, Muscular Endurance, Indoor.

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