2025 - Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K

100 Mile Run

50 Mile Run

50K

Marathon

https://fitfoundation.org/colorado-river-run-1

1/2 Marathon

https://fitfoundation.org/colorado-river-run-1

10K

5K Run/Walk Taco Trot

5K Kids

Run or Walk: Kids Free with Parental Accompaniment But Registration Required.

5K Ruck

Required Gear Rucksack: GORUCK Rucker recommended, but any rucksack is acceptable Must have reflective elements for visibility and safety Ruck Plates: Men: 20 lb (9.1 kg) Ruck Plate Women: 10 lb (4.5 kg) Ruck Plate Plates must be placed high in the rucksack, close to your back Additional Gear: Hydration system (water bladder or bottles) Appropriate footwear for trail conditions Weather-appropriate clothing Weight Requirements These weight requirements apply to all events (5K, 10K, and Half Marathon): Men: 20 lbs (9.1 kg) Women: 10 lbs (4.5 kg) Note: These are dry weights. Water, food, and additional gear do not count towards the weight requirement. Weight Verification Weight checks will be conducted at the start and finish of each event For longer events (10K and Half Marathon), additional checks may be performed during the course Participants must maintain the required weight throughout the entire event Additional Notes While GORUCK Ruck Plates are recommended, equivalent weights (e.g. weight vest plates) are acceptable as long as they meet the weight requirement and can be secured high in the rucksack. Safety is paramount. Ensure your ruck is properly packed and weighted to avoid injury.