20221223
2026-06-20

Jun 20, 2026 at 7:00 AM

Headwaters Trail Runs

Lake Siskiyou

Mount Shasta CA, 96067

USA

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Entry Fee $40
(Lowest or Early Registration)

Entry Fee 2 $155
(Highest or Late Registration)

Prize Money: no

Distance(s):

  • 10K
  • 30K
  • 50K

Type: Trail

Participant Limit: 350

Total Elevation Gain: 8,000

Starting Elevation: 3200

High Point: 9025

Percent of the course on un-paved trails: 95%

First Year of the Event: 2013

Men's Record: 52K: 5:08:30, 34K: 2:55:09, 10K: 00:35:36

Women's Record: 56K: 6:36:42, 31K: 3:32:19, 10K: 00:40:08

Description:

Headwaters Trail Runs are 52k, 34k, and 10k trail running events held in the Klamath Mountains west of Mount Shasta City, CA.  These three scenic trail runs are named after the headwaters of the Sacramento River.

The 52k and 34k races are scenic, mountainous loop courses.  They are run entirely on single-track trails and dirt forest roads that wind up, down, around, and through the rugged mountains that claim host to the crystal-clear headwaters of California’s longest river. Both races include miles on the historic Sisson-Callahan National Recreation Trail. The 52k boasts a total of ~8,000-feet elevation gain, and the 34k is no slouch with ~4,000-feet of elevation gain.

The 10k race is run on the Lake Siskiyou Trail along the forested shores of picturesque Lake Siskiyou.  There is about 400-feet of total gain on the Lake Siskiyou Trail, a local’s favorite for trail runners of all abilities.  Running surface is about 99% dirt with a short paved section across the Box Canyon Dam.

The magnificent backdrop for all runs is majestic Mt. Shasta (14,179′ elev.), the most massive of all the Cascade volcanoes, and Mt. Eddy (9025′ elev.), the highest peak in the Klamath Mountains.  Runners are rewarded with clean mountain air, challenging terrain, fully-stocked aid stations, and a welcoming and enthusiastic volunteer staff.

Headwaters Trail Runs acknowledges that these races occur on traditional homelands of the Winnemem WintuNom Sus WintuNom Ti Pom WintuWintʰu• Po•mShastaModoc, Okwanuchu,  Cayuse, Umatilla, and Walla Walla, and Confederated Tribes of the Siletz Indians.

All participants receive a hearty, organic post-race meal made by local chef Jacqueline Hertzog – arguably the best post-race meal anywhere!  Participants also receive a commemorative race t-shirt, and a unique finisher’s medal.

Headwaters Trail Runs is a cupless event, and runners will need to carry with them a means to drink at the aid stations.  We do our best to reduce the waste generated by this event in all aspects.  Please consider bringing your own reusable plate, utensils, and cup for the post-race meal.

A portion of the proceeds from this event are annually donated to the Mt. Shasta High School cross-county team.

Photos

Map

Past Event Dates

Held on Jun 20, 2026

Held on Jun 21, 2025

Held on Jun 22, 2024

Held on Jun 18, 2022

Held on Sep 25, 2021

Held on Sep 26, 2020

Held on Sep 28, 2019

Held on Sep 29, 2018

Held on Sep 30, 2017

Held on Oct 01, 2016