For race directors
Claim your course
Check what runners plan against: your aid stations, cutoffs and start time. Fix anything that's off. Kris reviews every claim by hand, then your course shows "Verified by the race".
Find your race
Your race
Hill to Hollow 100km 100km Solo — 2026
63.7 mi · 10,466 ft gain · Sep 19, 2026
Got it.
Kris reviews every claim by hand, usually within a day or two.