Race listing
Pulling race details. Checking the course notes.
Pulling race details. Checking the course notes.

Rocky Mountain Road Runners' Fall Marathon Training Series #2 takes place September 13, 2026, in Thornton, Colorado, at Riverdale Ballfields (9830 Riverdale Road). The race offers 20-kilometer and 30-kilometer distances, both officially timed with marked courses, mile markers, and aid stations. The race begins at 7 a.m. Race winners in each distance receive ribbons. Dogs and running strollers are not permitted on the courses. RMRR members receive a 25% discount on entry fees.
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