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Koocanusa Scramble

Abayance Bay Marina
Rexford, MT 59930 US

The Black Butte Challenge 90 - ish mile

A 90ish mile course of almost continuous backcountry gravel with 9.908 feet of climbing. Travel deep into a remote part of the Salish Mountains to enjoy peekaboo views of Lake Koocanusa and a trip around the backside of McGuire Mountain. Pedal back into the Pinkham Drainage via Ten Mile Talus and into Upper Fortine, travel west of Eureka via Thirsty Lake Road, and finish with a steep descent on Sand Hill Lane and onto the Pacific NW Trail.
Start Time:
8:00am MDT
End Time:
6:00pm MDT
Price:
$130.00 Race Fee + $8.80 SignUp Fee
Registration:
Price increases to $140.00 after May 14, 2026 at 11:59pm MDT

The Butterfly Effect 45 - ish mile

A 45ish mile, mixed surface loop with 4,757 feet of climbing. Warm up on pavement before transitioning to gravel roads that climb out into the mountains with views of Lake Koocanusa and the Canadian Rockies. Descend down Homestead Drive and into the Pinkham Drainage via Orthlope Lake Road and Lupus Lane, then finish with a steep descent on Sand Hill Lane. This route finishes on the Pacific NW Trail, with a detour onto Hoodoo Ln.
Start Time:
10:30am MDT
End Time:
6:00pm MDT
Price:
$100.00 Race Fee + $7.00 SignUp Fee
Registration:
Price increases to $110.00 after May 14, 2026 at 11:59pm MDT

The Family Ramble - Walk or Ride 5 mile

A 5-mile out and back track with 231 feet of climbing that is suitable for both walkers and bikers. Perfect for families and kids, pace yourself awhile enjoying beautiful views of Lake Koocanusa and the Tobacco River.
Start Time:
10:30am MDT
End Time:
6:00pm MDT
Price:
$35.00 Race Fee + $3.10 SignUp Fee
Registration:
Registration ends July 10, 2026 at 11:59pm MDT

The Electric Wings 44 - ish mile

A 44ish mile, mixed surface loop with 4,741 feet of climbing. Catering to those who prefer a little throttle, this course is similar to the Butterfly Effect. It starts on a paved surface, transitions to forest service gravel, and finishes with a quick stretch on the highway.
Start Time:
10:30am MDT
End Time:
6:00pm MDT
Price:
$100.00 Race Fee + $7.00 SignUp Fee
Registration:
Price increases to $110.00 after May 14, 2026 at 11:59pm MDT

Bike Walk Montana Makes Bicycling,  Walking and Rolling, Whether for Transportation or Recreation, Safe and Accessible for All
 
Vision Statement
Montana is a bike-walk friendly state with innovative, safe and accessible active transportation choices for people of all ages and abilities. Walking, rolling and bicycling are well integrated into mainstream and safe transportation and recreation systems.  As a result, Montanans enjoy an enhanced quality of life with a vibrant economy, cleaner environment and better health.

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Bike Walk Montana

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