40/20 Efforts

Duration 51:00 TSS 66 IF 0.88 Has instructions

warmup 05:00 @ 50% FTP - 85% FTP

05:00 @ 92%

03:00 @ 50%

00:40 @ 130%

00:20 @ 45%

07:00 @ 55%

00:40 @ 130%

00:20 @ 45%

07:00 @ 55%

00:40 @ 130%

00:20 @ 45%

cooldown 06:00 @ 50% FTP - 30% FTP

40/20 efforts are completed at just below your Maximal Aerobic Power (MAP). By splitting up into 40 seconds, with 20 seconds of recovery, you can accumulate more time at this intensity than you would if doing it as a continuous effort.