Weld Your Mettle Running Festival
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Event overview
The Weld Your Mettle Running Festival takes place May 30–31, 2026 in Eaton, Colorado (11586 CR 80). The festival runs multiple running and relay events over a multi-day weekend and includes a virtual option. Time cutoffs are published for each distance.
Distances and formats
- 14 mile
- Full marathon (26.2 miles)
- 50k
- 50 miles
- 100k
- 100 miles
- 50 Mile Relay - 2-9 runners
- 100K Relay - 2-12 runners
- 100 Mile Relay - 2-12 runners
- 7K run or walk (4.3 miles)
- 7K ruck (4.3 miles) - 30 lb weighted vest or backpack required
- 36 Hour Virtual Race
Time cutoffs listed on the event page include: 14 mile - 5 hours; marathon - 8 hours; 50k - 10 hours; 50 mile - 14 hours; 100k - 24 hours; 100 mile - 36 hours.
Course, facilities and perks
The course is a horseshoe-shaped, 2-mile groomed dirt loop on a 146-acre private property with a two-mile turnaround. Crew access and a fully stocked aid station are available at the start/finish of each loop and at the turnaround. On-site options include glamping tents (queen beds, bedding, lantern, drying rack, vinyl floor; VIP wristband for food and beverages), self camping, sauna, cold plunge, yoga, massage and a stretch zone. Finisher perks include a shirt and medal; belt buckles are provided for finishers over 26.2 miles. Entertainment during the weekend includes food, drinks, a movie screening, bonfires and a Saturday night dance party. Entries support several local nonprofits. Visit the organization's website for the most recent information.
