Weld Your Mettle Running Festival
About this race
Join us for three days of running excitement! Whether you're tackling the events individually or teaming up for relays: 14 mile, full marathon, 50k, 5 miles 100k,100 miles, or taking on a 7K Run or Ruck, - there's an event for everyone. Experience the thrill of friendly competition and the energy of a supportive community!
Relax in luxurious Glamping Tents or set up your own campsite, and enjoy access to a sauna, cold plunges, entertainment, food, drinks, and the race itself. Catch the run.Wild movie screening, bon fires and more throughout the weekend! With a full schedule of activities, there's something for everyone—whether you're joining us for the race, the fun, or both. The event takes place on a beautiful 146-acre private property in Northern Colorado, featuring a 2-mile groomed dirt loop course with breathtaking views of Longs Peak. Bring your friends or family and make a weekend of it!
Location: 11586 CR 80 Eaton, CO US 80615
Entry into this race is more than a one day event. It's an invitation to change your life, challenge your excuses, dig deep and WELD YOUR METTLE.
Pick your distance
Trail running
50 Mile Relay: 2-9 runners
Run the 4 Mile Loop Route, as part of a Relay Team of 2-12 (setup during the registration process) to reach 50 miles with a 14 hour cut off. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. If doing a Relay Team, the first team member to sign up will create a Team Name and Password, sharing the link with teammates. Each team mate registers and pays entry fees individually.
100K Relay: 2-12 runners
Run the 4 Mile Loop Route, as part of a Relay Team of 2-12 (setup during the registration process) to reach 100K with a 24 hour cut off. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. If doing a Relay Team, the first team member to sign up will create a Team Name and Password, sharing the link with teammates. Each team mate registers and pays entry fees individually.
50k
Run the 4 Mile Loop Route, until you reach 50K. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. 10 Hour Cutoff.
50 Miles
Run the 4 Mile Loop Route, until you reach 50 miles. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. 14 Hour Cutoff.
100K
Run the 4 Mile Loop Route, until you reach 100K. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. 24 Hour Cutoff.
100 Mile
Run the 4 Mile Loop Route, until you reach 100 miles with a 36 hour cutoff. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout.
100 Mile Relay: 2-12 runners
Run the 4 Mile Loop Route, as part of a Relay Team of 2 - 12 (setup during the registration process) until you reach 100 miles (36 hour cutoff). Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. If doing a Relay Team, the first team member to sign up will create a Team Name and Password, sharing the link with teammates. Each team mate registers and pays entry fees individually.
Running
7K Ruck (4.3 Miles)
The course is a 2 mile out and back completed twice to make the 7k distance. A weighted vest of 35 lbs is required for this event.
7k walk or run (4.3 miles)
The course is a 2 mile out and back completed twice to make the 7k distance.
14 Mile
Run the 4 Mile Loop Route, until you reach 14 miles. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. 5 Hour Cutoff.
Full Marathon
Run the 4 Mile Loop Route, until you reach 26.2 miles. Breaks to sauna, cold plunge, rest, eat or use the restroom between laps are allowed. You'll have the option to add on the Glamping Tent package at checkout. 8 Hour Cutoff.
36 Hour Virtual Race
Run/Walk as many miles as you can within the 36 hour duration of the race. You will receive your customized Race Bib* and finisher medal in the mail. Finishers who complete a 50k and above will receive a belt buckle in the mail afterwards.
36 Hour Timed Event
Run the 4 mile horseshoe loop as many times as you'd like in the 36 Hour timeframe, with no set distance. Finishers who complete a 50k and above will receive a belt buckle.
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Eaton, plus the 3 days either side.
The sun rises at 5:28 AM and sets at 8:25 PM local time (MDT) in Eaton on June 5, 2027 — 14h 56m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Results — Weld Your Mettle Running Festival
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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 1 Eaton event
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