Re: Re: can speed loss be permanent? Welcome! › Forums › Running Forum › can speed loss be permanent? › Re: Re: can speed loss be permanent? April 28, 2010 at 2:03 am #29780 DoubleMember Still in awe of your 146 miles in 24 hours. I'm just out having a little fun at a few friendsexpense if possible. I just stay in the back for 30 miles and then see if I can jump theshark.