4:30 AM start. Dawn over Lassen National Forest. Panoramic views of Mount Lassen and Mount Shasta. The Burney Mountain 100 returns to Cassel, California, on Friday, June 19, 2026. A looped course through the Thousand Lakes Wilderness and Burney Basin. 100 miles, 15,000 ft cumulative elevation gain. Rocky ridgelines, lush forest floor, lava flows, and vast Hat Creek Rim. Free dry camping for runners and crew at Burney Mountain Guest Ranch (Thursday through Saturday). No refunds, but generous deferral policy — defer for any reason up to one week before race day, or transfer registration up to one day prior to start.
Course & Terrain:
Camping & Accommodations:
Trail Work Requirement:
Aid Stations & Crew:
What's Included:
Nearby Attractions (vacation destination):
Registration & Policies:
Top Performances (Men, 2025 — times vary significantly — check results for accuracy):
Organizer: Intermountain Endurance.
Jun 19, 2026
Distance — 160.9K
Type — Running
04:30
$275.00
These values represent the 3-year monthly averages for June in Cassel.
Learn more about the host city, Cassel.
Cassel is a census-designated place (CDP) in Shasta County, California, United States. Cassel sits at an elevation of 3,176 feet (968 m). Its population is 207 as of the 2020 census, remaining the same from the 2010 census. The ZIP Code is 96016. The community is served by area code 530.
Read more launchAll-time top performances and historical records for Burney Mountain 100.
| Place | Name | Year | Time | |
|---|---|---|---|---|
| 🥇 | Erika Hoagland | '25 | 23:03:00 | |
| 🥈 | Christy Ellyson-Cherry | '25 | 32:07:00 | |
| 🥉 | Carri Smith-Marshall | '25 | 36:06:00 | |
| 4 | Linda Dewees | '25 | 36:06:00 | |
| 5 | Brianna Smith Rennert | '25 | 38:00:00 | |
| 6 | Nadia Haas | '25 | 28:31:00 | |
| 7 | Linda Hurd | '25 | 33:56:00 | |
| 8 | Kaitie Alyssa | '25 | 39:24:00 |
Read what other athletes have to say about their experience at the Burney Mountain 100.
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