Weld Your Mettle Running Festival 2027
- Date
- Saturday, June 5, 2027
- Start time
- 6:00 AM start (Denver)
- Location
- Eaton, Colorado
- Entry fee
- From $35 · goes up to $145 on Nov 1, 2026
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 100K | 100K | Jun 5, 20276:00 AM | $120$145 after Nov 1, 2026 | – |
| 100K Relay: 2-12 runners | Relay | Jun 5, 20276:00 AM | $100$115 after Nov 1, 2026 | – |
| 100 Mile | Ultra | Jun 5, 20276:00 AM | $190$210 after Nov 1, 2026 | – |
| 100 Mile Relay: 2-12 runners | Relay | Jun 5, 20276:00 AM | $130$140 after Oct 31, 2026 | – |
| 36 Hour Timed Event | – | Jun 5, 20276:00 AM | $210$230 after Nov 1, 2026 | – |
| 50k | 50K | Jun 5, 20276:00 AM | $90$110 after Nov 1, 2026 | – |
| 50 Mile Relay: 2-9 runners | Relay | Jun 5, 20276:00 AM | $80$95 after Nov 1, 2026 | – |
| 50 Miles | 50 Mile | Jun 5, 20276:00 AM | $120$130 after Nov 1, 2026 | – |
| 14 Mile | Other | Jun 5, 20278:00 AM | $70$80 after Nov 7, 2026 | – |
| 7K Ruck (4.3 Miles) | Other | Jun 5, 20278:00 AM | $35$45 after Nov 7, 2026 | – |
| 7k walk or run (4.3 miles) | Other | Jun 5, 20278:00 AM | $35$45 after Nov 7, 2026 | – |
| Full Marathon | Marathon | Jun 5, 20278:00 AM | $80$90 after Nov 7, 2026 | – |
| 36 Hour Virtual RaceVirtual | – | Jun 5, 20276:00 AM | $45 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The 100K fee goes up to $145 on Nov 1, 2026.
Race day planning
Entry fee schedule
- 100K: $120 until Nov 1, then $145 until Feb 1, then $165 until May 29, then $180 until Jun 5.
- 100K Relay: 2-12 runners: $100 until Nov 1, then $115 until Feb 1, then $130 until May 29, then $140 until Jun 5.
- 100 Mile: $190 until Nov 1, then $210 until Feb 1, then $230 until May 29, then $245 until Jun 5.
- 100 Mile Relay: 2-12 runners: $130 until Oct 31, then $140 until Feb 1, then $150 until May 29, then $165 until Jun 5.
Online registration closes Jun 5, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 5:28 AM, and the 100K starts at 6:00 AM. The start sits about 4,850 feet above sea level, high enough that most runners from lower ground run noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
11586 Co Rd 80, Eaton, CO 80615
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All results (5 years)7k walk or run (4.3 miles)
50k
Full Marathon
Aggregated from official results for Weld Your Mettle Running Festival. Individual finisher names are not stored here.
How fast do you need to be at Weld Your Mettle Running Festival?
At the 2026 7k walk or run (4.3 miles), the fastest tenth finished in 34:22 or better, the top quarter in 40:49, and half the field in 48:39; the last tenth came in after 1:08:36.
At the 2026 50k, the fastest tenth finished in 4:52:07 or better, the top quarter in 5:45:31, and half the field in 6:38:19; the last tenth came in after 8:28:09.
At the 2026 Full Marathon, the fastest tenth finished in 4:46:54 or better, the top quarter in 4:58:13, and half the field in 5:12:53; the last tenth came in after 7:03:33.
| Age | Women | Men |
|---|---|---|
| 20-29 | 48:00 | n/a |
| 30-39 | 36:33 | n/a |
| 40-49 | 41:59 | n/a |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2026.
Finishers by year
Down 21 percent since 2022.
All events combined, from official results.
Weld Your Mettle Running Festival Other year by year
From 2022 to 2026, the field went from 107 to 64 finishers, and the median time rose from 43:41 to 48:39.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 64 (+167%) | 48:39 | under 34:22 | 28:53 |
| 2025 | 24 (-57%) | 46:29 | under 40:50 | 34:33 |
| 2024 | 56 (-35%) | 50:32 | under 38:19 | 30:48 |
| 2023 | 86 (-20%) | 47:05 | under 33:17 | 24:43 |
| 2022 | 107 | 43:41 | under 35:46 | 29:18 |
From each year's official results for the Other; virtual options are left out.
Typical race-day weather
Around June 5 the day usually runs from 54°F at dawn to 81°F in the afternoon, with measurable rain on about 20% of days. Cold snaps dip to 49°F and hot years reach 91°F.
Based on 60 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 11586 Co Rd 80, Eaton, CO 80615Map
- Course
- Road
- Start elevation
- About 4,850 feet
- Included with entry
- Weld Your Mettle Shirt
- Donations
- Accepted when you register
- Distances
- Marathon, 50K, 50 Mile, 100K, Ultra, Relay, Other
- Editions
- 2027 (Jun 5, 2027), 2026 (May 30, 2026), 2025 (May 24, 2025), 2024 (May 25, 2024), 2023 (May 27, 2023), 2022 (May 28, 2022)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Weld Your Mettle Running Festival?
- Saturday, June 5, 2027, starting at 6:00 AM.
- How much does it cost?
- Entry starts at $35 before processing fees, and rises to $145 on Nov 1, 2026.
- When does registration close?
- Online registration closes Jun 5, 2027, unless the race fills first.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- Marathon, 50K, 50 Mile, 100K, Ultra, Relay, Other.
- How big is it, and how fast?
- In 2026, 64 runners finished the 7k walk or run (4.3 miles); the median finish was 48:39 and the winner ran 28:53.
- Where does it start?
- 11586 Co Rd 80, Eaton, CO 80615.
From the organizers
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!