September 20, 2025
12km, 21km, 50km, 80km, 100 km
or 100 miles
of single-track awesomeness!
- You can ONLY register for this event online (no in person registrations)
- GIFT CERTIFICATES for that someone special can also be purchased online
Event details can be found at River's Edge Ultra
PRIOR TO BEING ALLOWED TO PARTICIPATE IN THIS EVENT YOU WILL HAVE TO READ AND AGREE TO THE TERMS OF THE EVENTS RACE WAIVER.
NOTE: Deadline to register in order to obtain a T-Shirt for this year's event is August 15.
Men T-Shirt Sizes:
Women T-Shirt Sizes:
Youth T-Shirt Sizes:
Registration closes in
Countdown to event
Registration fees
Prices are inclusive of mandatory charges, items, and fees
"Mammoth" Solo 100 mile
Registration closes in 1 month 7 days-
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$238.24Oct 10 – Jul 5
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Register for "Mammoth" Solo 100 mile$259.71Now registering Jul 6 – Sept 16
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"Mammoth" Solo 100 mile Pacer
Registration closes in 1 month 7 days-
Pacers are allowed for the 2nd and 3rd Homestead Loops and all 3 Summit Loops
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FreeOct 10 – Jul 5
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Register for "Mammoth" Solo 100 mile PacerFreeNow registering Jul 6 – Sept 16
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"Magilla" Solo 100km
Registration closes in 1 month 7 days-
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$173.83Oct 10 – Jul 5
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Register for "Magilla" Solo 100km$195.30Now registering Jul 6 – Sept 16
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"Magilla" Solo 100km Pacer
Registration closes in 1 month 7 days-
Pacers are allowed to be used for both loops of the Summit Loop only
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FreeOct 10 – Jul 5
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Register for "Magilla" Solo 100km PacerFreeNow registering Jul 6 – Sept 16
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"Wallace" Solo 80km
Registration closes in 1 month 7 days-
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$163.10Oct 10 – Jul 5
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Register for "Wallace" Solo 80km$184.56Now registering Jul 6 – Sept 16
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"Wallace" Solo 80km Pacer
Registration closes in 1 month 7 days-
Pacers are allowed to be used for the last loop of the Summit Loop only
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FreeOct 10 – Jul 5
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Register for "Wallace" Solo 80km PacerFreeNow registering Jul 6 – Sept 16
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"Muskeg" Solo 50km
Registration closes in 1 month 7 days-
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$152.37Oct 10 – Jul 5
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Register for "Muskeg" Solo 50km$173.83Now registering Jul 6 – Sept 16
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"Koda" Solo 21km
Registration closes in 1 month 7 days-
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$130.90Oct 10 – Jul 5
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Register for "Koda" Solo 21km$152.37Now registering Jul 6 – Sept 16
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"Half Yak" Solo 12km
Registration closes in 1 month 7 days-
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$109.43Oct 10 – Jul 5
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Register for "Half Yak" Solo 12km$130.90Now registering Jul 6 – Sept 16
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Kids "Muskrat" Run
Registration closes in 1 month 7 days-
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$18.19Oct 10 – Jul 5
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Register for Kids "Muskrat" Run$28.93Now registering Jul 6 – Sept 16
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Event schedule
- Sat, September 20, 2025 8:00 a.m. - 100 mile "Mammoth" Solo Start
- Sat, September 20, 2025 8:00 a.m. - 100km "Magilla" Solo Start
- Sat, September 20, 2025 8:00 a.m. - 80km "Wallace" Solo Start
- Sat, September 20, 2025 9:00 a.m. - 50km "Muskeg" Solo Start
- Sat, September 20, 2025 10:00 a.m. - 21km "Koda" Solo Start
- Sat, September 20, 2025 11:00 a.m. - 12km "Half Yak" Solo Start
- Sat, September 20, 2025 3:00 p.m. - Kids "Muskrat" Run Start
Contact information
- Event contact
- Bryan or Debbi
- Website
- Visit website
