Nanny Goat
Arlington Heights, United States • 23-24 May 2026
Event overview
Nanny Goat is an ultrarunning event held May 23-24, 2026 at a private horse ranch in Riverside, California. This is the 17th running of the event and it is scheduled over Memorial Day Weekend. Race formats offered include solo timed events and a relay option.
Distances and awards
- 100 Miler
- 24HR
- 24HR Relay (teams up to 4 runners)
- 12HR
- 6HR
- 3HR
Finishers of the 100-mile event who complete the distance under 30 hours receive a buckle; those under 24 hours receive a special buckle. Relay teams that reach a cumulative 100 miles within 24 hours receive a team buckle for each member. Participants in the 6HR, 12HR and 24HR events receive a T-shirt, a drop bag with swag and a medal. For 2026, any runner who completes at least one lap will receive a medal.
Course, services and entry
The course is a flat, 1-mile loop, mostly dirt and grass, with footing described as good and a trail wide enough for passing. Support is located within about a half mile. Camping on site is free; tent, trailer and RV camping are allowed, with space for children to play and a swimming area. Registration is open and pricing varies by event, with fees increasing on March 28. A 10% discount is offered to active duty military, police, firefighters and first responders. No refunds; rollovers are considered case-by-case. Registration closes May 20. Visit the organization's website for the most recent information.