Weld Your Mettle Running Festival
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Weld Your Mettle Running Festival
The Weld Your Mettle Running Festival takes place May 30-31, 2026 in Eaton, Colorado (11586 CR 80, Eaton, CO 80615) on a private property in Northern Colorado. The event is part of the run.Windsor race series. Multiple race formats are offered, including individual ultras, relay events, shorter run/walk options and a virtual distance event. The course is described as horseshoe shaped with a two-mile turnaround, crew access and fully stocked aid stations at the start/finish of each loop and at the turnaround.
Events, distances and amenities
- 14 Mile
- Full Marathon (26.2 miles)
- 50k
- 50 Miles
- 100K
- 100 Mile
- 50 Mile Relay: 2-9 runners
- 100K Relay: 2-12 runners
- 100 Mile Relay: 2-12 runners
- 7K run/walk (4.3 miles)
- 7K Ruck (4.3 miles) - 30 lb ruck requirement
- 36 Hour Virtual Race
Time cutoffs are published for each distance (for example 14 mile - 5 hours; marathon - 8 hours; 100 mile - 36 hours). On-site amenities and services listed by the organizer include glamping tents with beds and bedding, 24/7 food barn access for glamping packages, self camping at no extra cost, sauna, cold plunge, yoga, massage/stretch zone, finisher shirt and medal, and belt buckles for finishers over 26.2 miles. Visit the organization's website for the most recent information.
