Crank the Watts

Intervals

Structured efforts you can drop into any session. Built by riders, ride anywhere.

Showing 1–8 of 8 intervals
0% 25% 50% 75% 100% 0 15m 30m 45m 1h

Sweet Spot 3×12

1h 1m Z3 — Tempo

Three 12-minute blocks at sweet spot — the highest-value endurance builder. Big aerobic stimulus without the recovery cost of full threshold…

0% 25% 50% 75% 100% 0 15m 30m 45m 1h

Threshold 4×8

1h Z4 — Threshold

Four 8-minute efforts right at FTP. Classic threshold development to raise your sustainable power.

0% 25% 50% 75% 100% 125% 0 10m 20m 30m 40m

VO2 Max 5×3

43m Z5 — VO2 max

Five 3-minute VO2 max efforts. Short, hard, and effective for lifting your aerobic ceiling.

0% 25% 50% 75% 100% 0 20m 40m 1h 1h20m

Endurance 90

1h 30m Z2 — Endurance

A steady 90-minute Zone 2 ride. The aerobic base that everything else is built on.

0% 25% 50% 75% 100% 0 15m 30m 45m

Over-Unders 3×9

54m Z4 — Threshold

Three 9-minute over-under blocks alternating just above and just below threshold. Trains your ability to clear and tolerate lactate.

0% 25% 50% 75% 100% 125% 150% 0 10m 20m

Anaerobic 8×40

29m Z6 — Anaerobic

Eight 40-second anaerobic efforts with short rests. Builds the punch you need for attacks and short climbs.

0% 25% 50% 75% 100% 0 10m 20m 30m 40m

Recovery Spin 45

45m Z1 — Recovery

A gentle 45-minute recovery spin. Active recovery to flush the legs between hard days.

0% 25% 50% 75% 100% 0 15m 30m 45m 1h

Tempo 2×20

1h 2m Z3 — Tempo

Two 20-minute tempo blocks. A staple aerobic session that builds endurance with moderate fatigue.