2016 Outdoor Schedule posted by: Adam Zuidema April 15, 2016 No Comments 2015-2016 INDOOR RACE SCHEDULE APRIL WORKDAYS 3, 10, 17, 24 MAY 1, 15 JUNE 5, 19 JULY 10, 24 AUG. 14, 28 SEPT. 29th Annual DirtRunners Challenge Sept 10 & 11 (Rain Date Sept 18)