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The Rubicon

calendar_today 24 Oct, 2026

directions_run Running

The Rubicon

About the Event

About

Rubicon noun A limit that when passed or exceeded permits of no return. The Rubicon is a very difficult and remote on and off-trail foot race in the backcountry of the northwestern Sierra Nevada, and its undertaking should not be taken lightly. Make no mistake - this endeavor will test your limits! Disclaimer: This is not an official event. This is a fatass; a glorified group run. There will be no course markings, no aid stations, no staff, and no medical team. The route options are as follows: The Requisite: 15+ miles, ≈6,700 ft of gain, 3 hill climbs, & 2 water crossings The Resonant: 30+ miles, ≈12,700 ft of gain, 6 hill climbs, & 6 water crossings The Revenant: 43+ miles, ≈19,300 ft of gain, 8 hill climbs, & 8 water crossings You must first complete The Requisite in order to be eligible for an attempt of The Resonant in the future. You must first complete The Resonant in order to be eligible for an attempt of The Revenant in the future. More info can be found here. For updates, please join the Facebook group . Scheduling: The Rubicon will fall on the 4th Saturday of October when there are 5 Saturdays in the month. When there are 4, it will move to the 1st Saturday to avoid conflict with Hilloween.

Races Offered

The Requisite

Oct 24, 2026

straighten

Distance — The Requisite

terrain

Type — Running

timer

07:15

The Resonant

Oct 24, 2026

straighten

Distance — The Resonant

terrain

Type — Running

timer

07:15

Weather History

These values represent the 3-year monthly averages for October in Oxbow Reservoir.

thermostat Temperature
11.0° / 24.8°
wb_sunny Feels like
8.5° / 22.5°
light_mode Avg sunshine hours
9h 33m
water_drop Avg rainfall
1.4 mm
ac_unit Avg snowfall
air Avg wind speed
7.5 km/h (Light breeze)
opacity Sweat loss rate
Moderate
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Moderate (4.0)
humidity_mid Humidity
58.5%
wb_twilight Sunrise
07:14
nightlight Sunset
18:23

Hotels & Places to Stay

Race Results

All-time top performances and historical records for The Rubicon.

Place Name Year Time
🥇 Loren Baker '25 10:07:11
🥈 Michael Schooler '25 10:07:14

Runner Reviews

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