Newsmaker chat: Endurance racing with David Markman

Wonder what it takes to gear up and ride in a 2,700-mile gravel endurance race? Avon cyclist David Markman finished the Tour Divide, a route that follows the Continental Divide from Canada to Mexico, in 24 days.

He'll be available for a live chat 11 a.m. to noon Wednesday, Aug 10.

Newsmaker chat: Endurance racing with David Markman