2×20 at FTP – The Classic Threshold Workout

Interval

72 min

IF 0.71

The legendary 2×20: forty minutes at 97% FTP. Decades of coaching practice back this as one of the most effective FTP-raising workouts ever written.

Duration

72 min

Blocks

4

Intensity

0.71

Workout analysis

Session profile and interval structure.

warmup · 55%12 min

Repeat 2 times

active · 97%20 min

recovery · 55%5 min

cooldown · 45%10 min

Training purpose

Threshold work improves sustainable power near FTP and helps riders hold pace longer in time trials, breakaways, and long climbs.

Useful when you want sessions that match tags such as Threshold, FTP, Lactate Threshold, Indoor.

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Session summary

Ratings, tags, and related sessions.