Happy running - Interval insanity

Happy running

1:00 sprint / 1:00 rest 
1:00 sprint / 0:50 rest 
1:00 sprint / 0:40 rest 
1:00 sprint / 0:30 rest
1:00 sprint / 0:20 rest 
1:00 sprint / 0:10 rest 
1:00 sprint / 0:20 rest
1:00 sprint / 0:30 rest
1:00 sprint / 0:40 rest 
1:00 sprint / 0:50 rest 
1:00 sprint / 1:00 rest

Total: 11:00 sprint / 5:50 rest

An interval workout from www.crossfitendurance.com. I decided to torture myself and it was a success. If you're a masochist you will love this workout. After all feeling was quite happy ;) 

My results:

1st sprint: 370 m / 22,2 km/h
2nd:sprint: 335 m / 20,1 km/h
3rd sprint: 315 m / 18,9 km/h
4th sprint: 305 m / 18,3 km/h
5th sprint: 280 m / 16,8 km/h
6th sprint: 260 m / 15,6 km/h
7th sprint: 250 m / 15 km/h
8th sprint: 265 m / 15,9 km/h
9th sprint: 255 m / 15,3 km/h
10th sprint: 285 m / 17,1 km/h
11th sprint: 300 m / 18 km/h

Total: 3220 meters / average speed 17,56 km/h / average distance per minute 292,7 m