50mi events in Colorado, United States
Find 50mi events in Colorado, United States. Compare 3 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Kessel Run Ultra, Weld Your Mettle Running Festival and Pikes Peak Ultra.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
3 listed events · 3 with upcoming dates
Upcoming 50mi events
3 matching events, earliest date first. Entry availability is shown separately.
Kessel Run Ultra
USAFruita, Colorado
High-desert trail races on the North Fruita singletrack, with five distances and separate morning starts.
Date listed · latest organiser confirmation not yet checked.
Weld Your Mettle Running Festival
USAEaton, Colorado
Loop running races and timed endurance challenges near Eaton.
Date listed · latest organiser confirmation not yet checked.
Pikes Peak Ultra
USAColorado Springs, Colorado
Mountain ultras and shorter trail races above Colorado Springs.
Date listed · latest organiser confirmation not yet checked.
Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Choosing a race in Colorado
The unfiltered upcoming calendar includes events in Colorado Springs (1), Eaton (1), Fruita (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 50mi events in Colorado
What should I check before a running event in Colorado?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which 50mi events are coming up in Colorado, United States?
Kessel Run Ultra is listed for 7 November 2026. Weld Your Mettle Running Festival is listed for 5 June 2027. Pikes Peak Ultra is listed for 24 July 2027. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Colorado, United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.