Williston Marathon
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Chord Energy Williston Marathon
The Chord Energy Williston Marathon takes place in Williston, North Dakota on June 6, 2026. The event is held at Williston Basin International Airport with start and finish at the Overland Aviation building on the airport campus. The course includes running on the airport runway and has mapped routes for each distance.
Event distances:
- Marathon
- Half Marathon
- 10K
- Purple Power 5K Run/Walk
This is a non-profit event; proceeds support the Upper Missouri Relay For Life and the American Cancer Society. Funds raised are used for patient care, travel expenses for patients, and items provided to patients at the local cancer treatment center.
Logistics and services listed by the organizers include packet pickup the evening before and at a tent at the start area on race morning, chip timing provided by Competitive Timing, and route maps available online and at packet pickup. The marathon course is completed as two loops and has six water stations with basic first aid, electrolytes, and light refuel options. Restrooms are available at the start and along the marathon and half marathon route; the 5K and 10K have start/finish restrooms only. Certain sections require attention because runners may be routed against traffic and will pass marked intersections. Strollers are not allowed in the 10K, half marathon, and marathon; only service animals are permitted. Visit the organization's website for the most recent information.