6 Hour MTB Challenge – Dothan, AL Singletracks Mountain Bike News, Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › 6 Hour MTB Challenge – Dothan, AL Tweet Add to Flipboard Magazine. Tagged: race Viewing 0 reply threads Author Posts February 17, 2011 at 18:29 #95942 ianblaster There is a 6 hour endurance race at Troy University’s Dothan, AL campus on March 19th. This is the first one and we are trying to make it a great one. Please come join us. All proceeds to go to The March of Dimes. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.