Nanny Goat
Arlington Heights, United States • 23-24 May 2026
Event overview
Nanny Goat is a multi-distance ultrarunning event held at a private horse ranch in Riverside, CA (2600 Grace Street) over Memorial Day weekend, May 23-24, 2026. The race format is time-based laps: runners complete as many laps as possible within a set time or distance. Distances offered include:
- 100 Miler
- 24HR
- 24HR Relay
- 12HR
- 6HR
- 3HR
Registration is open and closes May 20. Active duty military, police, firefighters and first responders receive a 10% discount. No refunds; roll overs are considered case-by-case. A discount code is available for parents registering under-18 runners.
Course, amenities and awards
The course is a flat, 1-mile loop, mostly dirt and grass, with wide trail sections and footing described as good. Support is stated to be never more than a half mile away. Camping is available on site at no charge; tent, trailer and RV camping are welcome. The venue includes space for swimming and areas for children to play.
Awards and race items: participants in the 6HR, 12HR and 24HR events receive a T-shirt, a drop bag with running items, and a medal. For 2026, all runners who complete at least one lap receive a medal. Finishers of the 100-mile event who meet time criteria receive buckles; relay teams that complete 100 cumulative miles within the event window receive a buckle for each team member. Visit the organization's website for the most recent information.