Tom Norwood at the Orcas Island Ultra 50kThe Caballo run gained fame after the publication of Christopher McDougall's bestselling book Born to Run, in which McDougall chronicles his experiences in the canyons with Micah True (a.k.a. Caballo Blanco) and the Tarahumara Indians. Originally named the Copper Canyon Run, the race was renamed this year in memory of True, who passed...