The Biggest Little Ultra
Sparks, United States • 10-12 Oct 2025
Event details
The Biggest Little Ultra takes place October 10-12, 2025 at Sparks Marina, 300 Howard Drive, Sparks, Nevada 89434. The event offers fixed-distance and fixed-time options for runners and walkers and includes relay team entries.
- 50 miles
- 100 miles
- 48 hours
- 24 hours
- 12 hours
- 6 hours
- 12-hour relays (teams of 2 to 6)
Course and logistics
The course is a 2 mile paved loop around Sparks Marina with a total elevation gain of 29 feet. The loop is lighted, and two permanent restrooms are on course; porta potties will be located near the start area. Partial laps are not counted.
A fully stocked aid station will operate at the start/finish area 24 hours per day with real meals during normal breakfast, lunch and dinner times. The event is cupless; runners are asked to bring a personal cup labeled with their name or initials. Hot cups will be provided for soup and hot drinks at night.
One pacer at a time is allowed; bicycles are not permitted. Electronic chip timing is used and a secondary timing point will verify laps. Medals and a finishers beer glass are awarded to finishers; 100-mile finishers receive a custom belt buckle. Online registrants receive a hooded t-shirt; day-of registrants receive a t-shirt if available. Visit the organization's website for the most recent information.