Shiver and shake

Duration 53:30 TSS 56 IF 0.79

01:15 @ 45%

01:15 @ 56%

01:15 @ 64%

01:15 @ 75%

00:30 @ 65%

4x

00:30 @ 106%

00:30 @ 65%

03:00 @ 50%

00:30 @ 125%

02:00 @ 65%

02:00 @ 70%

02:00 @ 75%

02:00 @ 80%

02:00 @ 85%

4x

00:15 @ 150%

03:00 @ 76%

01:00 @ 75%

01:00 @ 63%

01:00 @ 50%

00:30 @ 125%

03:00 @ 90%

03:00 @ 83%

03:00 @ 76%

01:15 @ 75%

01:15 @ 64%

01:15 @ 56%

01:15 @ 45%

Building endurance doesn't just involve long, low power efforts. In this session, we challenge your aerobic fitness with various efforts.