Ring of Fire
📍 Oregon, USA
mtb
Date
26 September 2026
Distance
50 miles
Elevation
1,639 m
Difficulty
mtb
Estes Epic
Colorado, USA · 26–27 September 2026
Difficulty: 4/5 — Very hard
A rugged two-day mountain endurance event in Colorado featuring a technical 50km mountain bike race on day one. Held at an elevation of 7,500 feet, this challenging course tests riders with high-altitude singletrack before transitioning to trail running events on day two.
Visit official site →- Distances
- 50km
- Surface
- singletrack
- Typical W/kg
- 3–4.5
Rider fit
Who it's for
Experienced mountain bikers and multi-sport endurance athletes looking to test their limits on technical trails at high elevation.
Who will struggle
Flatlanders, beginner riders, or anyone unprepared for thin mountain air and demanding, technical singletrack climbs will find this event exceptionally tough.
Training focus
Focus on high-altitude cardiovascular conditioning, aerobic capacity, and technical bike handling skills on rocky terrain.
Are you ready for this race?
Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.
FAQs
What is the distance of the mountain bike race?+
The mountain bike portion of the event, held on Saturday, is a 50K (approximately 31 miles) race on technical singletrack.
Can I combine the mountain bike race with a running event?+
Yes, the 'Epic Double' option allows you to participate in the MTB 50K on Saturday and the Trail 50K running race on Sunday.
What should I know about the event's elevation and altitude?+
The race is located in Estes Park, Colorado, bordering Rocky Mountain National Park, and starts at an elevation of 7,500 feet.
Are cups provided at the aid stations?+
No, all races are cupless. You must bring your own reusable cup, or purchase a Running Wild reusable cup for $5 during registration.
Where can I stay during the race weekend?+
The event has partner hotels, including Expedition Lodge and Quality Inn, which offer special discounted rates or discount codes for runners and riders.