September 19, 2026
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
Uni-sex Hoodie Sizes (to purchase, click on the Store button to the right!).
NOTE: Deadline to purchase a hoodie and pick it up at this year's event is August 15.
Registration closes in
Countdown to event
Registration fees
Prices are inclusive of mandatory charges, items, and fees
"Mammoth" Solo 100 mile
Price changes in 6 months 4 days-
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Register for "Mammoth" Solo 100 mile$248.97Now registering Oct 9 – Jul 5
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$270.44Jul 6 – Sept 15
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"Mammoth" Solo 100 mile Pacer
Price changes in 6 months 4 days-
Pacers are allowed for the 2nd and 3rd Homestead Loops and all 3 Summit Loops
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Register for "Mammoth" Solo 100 mile PacerFreeNow registering Oct 9 – Jul 5
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FreeJul 6 – Sept 15
-
"Magilla" Solo 100km
Price changes in 6 months 4 days-
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Register for "Magilla" Solo 100km$184.56Now registering Oct 9 – Jul 5
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$206.03Jul 6 – Sept 15
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"Magilla" Solo 100km Pacer
Price changes in 6 months 4 days-
Pacers are allowed to be used for both loops of the Summit Loop only
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Register for "Magilla" Solo 100km PacerFreeNow registering Oct 9 – Jul 5
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FreeJul 6 – Sept 15
-
"Wallace" Solo 80km
Price changes in 6 months 4 days-
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Register for "Wallace" Solo 80km$173.83Now registering Oct 9 – Jul 5
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$195.30Jul 6 – Sept 15
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"Wallace" Solo 80km Pacer
Price changes in 6 months 4 days-
Pacers are allowed to be used for the last loop of the Summit Loop only
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Register for "Wallace" Solo 80km PacerFreeNow registering Oct 9 – Jul 5
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FreeJul 6 – Sept 15
-
"Muskeg" Solo 50km
Price changes in 6 months 4 days-
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Register for "Muskeg" Solo 50km$152.37Now registering Oct 9 – Jul 5
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$173.83Jul 6 – Sept 15
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"Koda" Solo 21km
Price changes in 6 months 4 days-
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Register for "Koda" Solo 21km$130.90Now registering Oct 9 – Jul 5
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$152.37Jul 6 – Sept 15
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"Half Yak" Solo 12km
Price changes in 6 months 4 days-
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Register for "Half Yak" Solo 12km$109.43Now registering Oct 9 – Jul 5
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$130.90Jul 6 – Sept 15
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Kids "Muskrat" Run
Price changes in 10 months 17 days-
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Register for Kids "Muskrat" Run$18.19Now registering Oct 9 – Nov 17
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$28.93Nov 18 – Sept 15
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Event schedule
- Sat, September 19, 2026 8:00 a.m. - 100 mile "Mammoth" Solo Start
- Sat, September 19, 2026 8:00 a.m. - 100km "Magilla" Solo Start
- Sat, September 19, 2026 8:00 a.m. - 80km "Wallace" Solo Start
- Sat, September 19, 2026 9:00 a.m. - 50km "Muskeg" Solo Start
- Sat, September 19, 2026 10:00 a.m. - 21km "Koda" Solo Start
- Sat, September 19, 2026 11:00 a.m. - 12km "Half Yak" Solo Start
- Sat, September 19, 2026 3:00 p.m. - Kids "Muskrat" Run Start
Contact information
- Event contact
- Bryan or Debbi
- Website
- Visit website
