40min Tempo w/15sec surge

Duration 55:00 TSS 71 IF 0.88

warmup 10:00 @ 45% FTP - 65% FTP

04:45 @ 88%

00:15 @ 170%

05:00 @ 50%

Steady endurance work trains your body to utilise oxygen to metabolise fat as its fuel source. Incorporating sprint efforts into a steady-state interval will recruit additional muscle fibres and extend their ability to work aerobically.

This is a long day in the breakaway today!