I'll be 48 in a few months, and I still hit the gym as much as possible.. I've been wanting to sprint ( I was always quick ) but havent run ( really run or sprint in years... so I went out to the road , took out the trusty 150 tape . marked 50 & 100 yard lines .. wow was I sucking wind in the first sprint. 50 yards haaahhhaaa ... eewwwwwww.. So I ran a few test runs Then let'er rip. I ran a 5.7 and then a 5.4 50... I was shoot'in for a 5.0 but couldnt do it , YET !! I knew I could feel the 20 lbs. I put on this year.. Next week is the 100 yard wind sucking , one foot in front of the other , I think I can Run