Oregon Cascades 100
Sisters, United States • 25 Jul 2026
Event
The Oregon Cascades 100 is a point-to-point trail event between Bend and Sisters, Oregon. Distances offered include:
- 100 Miler
- 50 Mile
The 100 mile course has about 10,900 ft of elevation gain and 11,400 ft of elevation loss. The course surface is listed as 78% single-track trail and 20% dirt/gravel Forest Service road, with 12 full aid stations. The time limit for the 100 mile race is 32 hours, 1 minute and 18 seconds. Finishers within the allotted time receive a custom buckle.
The 50 mile course starts at Swampy Lakes Sno Park and finishes in Sisters. The 50 mile course has about 4,000 ft of elevation gain and 6,500 ft of elevation loss. Its surface is listed as 80% single-track trail and 20% dirt/gravel Forest Service road, with 5 full aid stations. The 50 mile cut-off time is 16 hours.
Logistics and policies
Runners for the 50 mile race will be shuttled from the finish area at Sisters Middle School to the start at Swampy Lakes Sno Park. Pacers are permitted; all pacers must sign a waiver. The event is listed as a Western States qualifier.
The organizer’s refund and transfer policy is strict: no transfers to other runners. Cancellations more than 30 days before the race may receive a 50% credit toward the same event the following year. Cancellations 30 days or less before the race receive no credit, refund, or transfer. If the organizer must cancel and cannot reschedule, refunds or credits will not be given. Registration fees support a race beneficiary. Visit the organization's website for the most recent information.