3-2-1 intervals
- Swimming
- 49mTime
- 50Stress
- 0.78Intensity
- 257Popularity
About this workout
These 3-2-1 intervals are a classic way to build aerobic durability with short bursts at tempo, making them ideal for stretching out climbs or mid-week training. Perfect for time-crunched cyclists, this workout packs a punch with solid efforts that keep your engine primed without overcooking.
Workout structure
- 10 min @ 50-60% (50-60w)
- 3 min @ 90% (90w)
- 2 min @ 60% (60w)
- 2 min @ 100% (100w)
- 2 min @ 60% (60w)
- 1 min @ 110% (110w)
- 2 min @ 60% (60w)
- 3 min @ 90% (90w)
- 2 min @ 60% (60w)
- 2 min @ 100% (100w)
- 2 min @ 60% (60w)
- 1 min @ 110% (110w)
- 2 min @ 60% (60w)
- 3 min @ 90% (90w)
- 2 min @ 60% (60w)
- 2 min @ 90% (90w)
- 2 min @ 60% (60w)
- 1 min @ 110% (110w)
- 5 min @ 60-50% (60-50w)