Missouri · 6 Hour Challenge · 3 Hour Challenge · The Bridal 5Kave
Thunder Mountain Challenge
Thunder Mountain Challenge is a 6 Hour Challenge, 3 Hour Challenge and The Bridal 5Kave event held in Camdenton, Missouri. It was last held on October 3, 2026 and is usually run in October; the next date hasn't been announced yet. About 75 runners take part across all distances.
- Usually held
- October
- Location
- Camdenton, MO
- Field size
- ~75 runners
Race details
- Last held
- October 3, 2026
- Usually held in
- October
- Location
- Camdenton, Missouri
- Distances
- 6 Hour Challenge, 3 Hour Challenge, The Bridal 5Kave
- Field size
- About 75 runners
- Course
- ~300 ft gain per climb of Thunder Mountain (official); no fixed course total given for the timed challenge formats
- Registration
- ultrasignup.com
- Official website
- haharacingevents.com
Registration, course & weather
- Registration status
- Registration status as last checked September 28, 2026: open
- Start time
- 7:00 AM CDT
- Course profile
- Out-and-back course; Mostly road, some trail
About the Thunder Mountain Challenge
The Thunder Mountain Challenge is an inaugural 2026 hill-repeat race at Bridal Cave/Thunder Mountain Park near Camdenton, MO, where runners complete repeated ~1/2 mile out-and-back climbs (about 300 ft gain each) in a 5K, 3-hour, or 6-hour format.
More races in Camdenton
More upcoming races in Missouri
Keep exploring
- All races in Missouri
- 5Ks in Missouri 121 upcoming races
- 10Ks in Missouri 74 upcoming races
- Half Marathons in Missouri 37 upcoming races
- Marathons in Missouri 12 upcoming races
- October races in Missouri
- Races in Illinois 231 upcoming races
- Races in Tennessee 242 upcoming races
- Races in Kentucky 126 upcoming races
- Races in Iowa 93 upcoming races
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Thunder Mountain Challenge: common questions
- When is the Thunder Mountain Challenge?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Thunder Mountain Challenge held?
- In Camdenton, Missouri.
- What distances does the Thunder Mountain Challenge offer?
- 6 Hour Challenge, 3 Hour Challenge and The Bridal 5Kave.
- How many people run the Thunder Mountain Challenge?
- About 75 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Thunder Mountain Challenge?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Thunder Mountain Challenge?
- Registration status as last checked September 28, 2026: open.
- What time does the Thunder Mountain Challenge start?
- 7:00 AM CDT.
- What is the course like at the Thunder Mountain Challenge?
- Out-and-back course; Mostly road, some trail.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.