Originally Posted by GhostRider62

I had not done much sprinting in the past few months, so after reading this thread again, I decided to do some.

My best 5 second power last year was 925 watts. Today, I just did 1004 watts for 20 seconds. My peak is only 1150 ish. I have no idea how much of these gains are due to HMB but some are. I have been intentionally riding in the hills a lot this year, almost every single ride is hilly. I don't sprint on hills but there is no avoiding sometimes having to get out of the saddle on the little grunters.