This was actually quite creative and fascinating... I have used to run 4x4 intervals, around 85-95% intensity, I think. This might be a funny alternative. :-)
Stinukli 1 year ago
Very dramatic...
0lijfje 1 year ago
This was actually quite creative and fascinating... I have used to run 4x4 intervals, around 85-95% intensity, I think. This might be a funny alternative. :-)
Stinukli 1 year ago
Very dramatic...
0lijfje 1 year ago