Logo

The Rubicon

Foresthill, United States • 24 Oct 2026

Event overview

The Rubicon is a very difficult, remote on- and off-trail foot race in the backcountry of the northwestern Sierra Nevada. The event is scheduled for Oct 24, 2026 and takes place at Oxbow Reservoir, CA. It is not an official race; organizers describe it as a "fatass" group run. There are no course markings, no aid stations, no staff, and no medical team. Registration closes Thu, Oct 22.

Routes

  • The Requisite: 15+ miles; ≈6,700 ft gain; 3 hill climbs; 2 water crossings.
  • The Resonant: 30+ miles; ≈12,700 ft gain; 6 hill climbs; 6 water crossings.
  • The Revenant: 43+ miles; ≈19,300 ft gain; 8 hill climbs; 8 water crossings.

Eligibility and format

The event offers multiple route options with substantial elevation gain and multiple water crossings. Participants must complete The Requisite before attempting The Resonant in the future, and must complete The Resonant before attempting The Revenant. The format requires self-reliance due to the lack of course support and emergency services. Visit the organization's website for the most recent information.

United States California Foresthill

Race information

Registration Facebook
43 mi
The Revenant
30 mi
The Resonant
15 mi
The Requisite
Visit the organization's website for the most recent information.
Trail runs nearby

Folsom Lake Sweetwater Trail Run

El Dorado Hills

...

Run scenic single track trails along Folsom Lake with distances for every runner from a 1 mile kids run to a 50K. Commemorative medals for finishers, aid stations, and on site EMT support create a welcoming day on the trails.

The Gumby 10k

Granite Bay

Hit the scenic shoreline trails at Granite Beach for the Gumby 5K or 10K, with single track, groomed sections and pavement for a fun, varied run. All finishers get custom Gumby and Pokey medals to celebrate your effort.

Escape From Folsom

Granite Bay

Escape from Folsom Trail Runs at Granite Beach on Feb 7, 2026 features scenic 10 mile and 5K courses along Folsom Lake. Expect rugged trails, on course aid and every finisher receives a custom medal.

Fourmidable

Auburn

Join FOURmidable trail races in Auburn, CA on February 21, 2026, offering 50K, 35.5K, half marathon and 13K for all abilities. Prize money and course record bonuses add extra excitement; register by Feb 19 at 11:59 PM PT.