Merus Ultra
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Event details
The Merus Marathon & Ultra is scheduled for Saturday, April 11, 2026, in Claude, Texas. The event list includes the following distances:
- 52.4 Mi
- 26.2 Mi
- 13.1 Mi
- 10k
- 5k
- Merus Marathon Youth Trail Run
Entry fees listed are $140 for the 52.4-mile event, $100 for the 26.2-mile event, $64 for the 13.1-mile event, $50 for the 10k, $30 for the 5k, and $10 for the youth trail run. Registration deadlines shown for most events are December 31, 2025. The 13.1-mile event lists a registration end time on December 31, 2025 at 11:59am CST. The youth trail run registration opens December 21, 2025 at 3:13pm CST.
Course and location
The venue is Merus Adventure Park in Palo Duro Canyon, at 4510 County Rd 9, Claude, TX 79019. The rim elevation is listed as 3,412 feet above sea level and the lowest point at the park is 2,500 feet. Elevation changes between high and low points typically range from about 100 to 500 feet. Surfaces described for the course include sand, sandstone, red dirt, rock, stone, and clay. The description notes varied colors and views created by erosion throughout the canyon. Visit the organization's website for the most recent information.