Nanny Goat

MAY
23-24
2026
A multi-distance ultrarunning event on a flat one mile loop at a private ranch in Riverside, CA. Options range from 3 hour races to a 100 mile solo and a 24 hour relay, with camping and on site support.
23-24 May 2026
24 hour 100 miles 12 hour 6 hour 3 hour

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Nanny Goat 3/6/12/24/100 : Riverside, CA, May 23-24, 2026

Nanny Goat is the 17th running of a multi-distance ultrarunning event held at a private horse ranch in Riverside, California. The course is a flat, one mile loop on mostly dirt and grass with good footing and a trail wide enough for passing. Support is located within about a half mile from the course.

The event format asks participants to complete as many laps as possible within an allotted time or distance, either solo or as a relay team of up to four runners for the 24 hour option. Distances offered include:

  • 3 hour race
  • 6 hour race
  • 12 hour race
  • 24 hour race
  • 24 hour relay
  • 100 mile solo

Awards and participant items are provided for several events. Runners who complete the 100 mile race in under 30 hours receive a buckle, with a special buckle for sub 24 hour finishes. Relay teams that reach a cumulative 100 miles within 24 hours receive a team buckle for each member. Participants in the 6, 12 and 24 hour events receive a T shirt, a drop bag with swag, and a medal; in 2026 any runner who completes one lap will receive a medal.

Camping, swimming, and family friendly facilities are available at the ranch. Camping is free and open from Thursday morning through Monday morning. Registration is open with tiered fees that increase on March 28; no refunds are offered and rollovers are considered case by case. Registration closes May 20, 2026. Visit the organization's website for the most recent information.

24 hr
24hr
24 hr
24hr Relay
100 mi
100m
12 hr
12hr
6 hr
6hr
3 hr
3hr