This feat by Simon and James of GCN is truly something. About two weeks ago I did my hardest ride, yet, burning 4,200+ calories in the process. I was wiped out after and it took three days for my legs to properly recover.

This feat by Simon and James of GCN is truly something. About two weeks ago I did my hardest ride, yet, burning 4,200+ calories in the process. I was wiped out after and it took three days for my legs to properly recover.