Yo-Yo IR1 · level 2 of 17
Yo-Yo IR1 level 2
At level 2 of the Yo-Yo IR1, the required speed is 12 km/h: 1 runs of 22 s each. The level lasts 22 s; when it ends you have covered 80 m in 46 s. Completing it in full credits you with a MAS of 12 km/h, roughly 36 ml/min/kg of VO₂max.
We are still in the lower part of the scale. At this speed most healthy adults run comfortably; the point is to stay exactly on the beep, without getting ahead, so you do not pay later for energy spent here.
The previous level, 1, was run at 10 km/h. The next one, 3, moves to 13 km/h and counts 2 runs instead of 1. On this test the gap between two levels is small in speed and large in feel, because fatigue carries over from one level to the next.
Level 2 in the table
Frequently asked questions
What MAS does level 2 of the Yo-Yo IR1 give?
A MAS of 12 km/h, provided you complete the level. If you stop midway, the scoring rule credits the last full level, so 10 km/h (level 1).
How long does level 2 last?
22 s, i.e. 1 runs of 22 s. From the start of the test that makes 46 s of running.
What pace per kilometre is this level?
12 km/h is 5:00 /km. That is the pace you would hold on a track, without the turns: in a shuttle the same figure costs more.