Sonoma Fall Classic
Geyserville, CA
Oct 17, 2026
Welcome to the Sonoma Fall Classic Welcome to Northern California wine country during harvest & one of the best trail running festivals on the West Coast at the Sonoma Fall Classic! We’ve paired the original Lake Sonoma 50 Mile with a new 100 Mile, a Trail Marathon & relays for … MORE
Local Historical Weather (Oct 17):
| 2025 | 2024 | 2023 | 2022 | 2021 | |
| H (°F) | 80 | 76 | 85 | 77 | 64 |
| L (°F) | 46 | 46 | 54 | 47 | 38 |
Find Nearby Lodging (hotel, rental, etc.):

First Ultra Race
This was my first trail and ultra race so I can't compare it to others. But it was personally a good experience and very thankful to have great weather, amazing … MORE
This was my first trail and ultra race so I can’t compare it to others. But it was personally a good experience and very thankful to have great weather, amazing volunteers, and a beautiful lake/course to run along. The ‘relentless’ slogan based on the hilly course is aptly named.