Rio Del Lago 100 Mile
Rio Del Lago 100 Mile starts at Beal's Point and crosses Sierra foothill trails east of Sacramento, returning for its twenty-fifth running each November.
Quick facts
- Beal's Point start in the Sierra foothills
- Separate 100-mile and 50K events
- Long-established California hundred
- Runnable early miles that get harder after dark
About the Rio Del Lago 100 Mile
Rio Del Lago is an established California 100-miler with its own entry and results history. The accompanying 50K is separately entered and does not blur the longer race's identity.
Course
The course begins at Beal's Point near Folsom and reaches into the Sierra foothills. Long runnable sections mix with climbing and trail that become more difficult after dark.
Race-day weather
November can bring cool clear running weather, rain or substantial temperature swings. Foothill exposure and nighttime hours make layers and trail condition checks important.
Past Rio Del Lago 100 Mile dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Saturday, November 7, 2026 | Upcoming | — |
| 2025 | — | Completed | Open results |
Rio Del Lago 100 Mile FAQ
When is the Rio Del Lago 100 Mile?
The 2026 Rio Del Lago 100 Mile is on Saturday, November 7, 2026.
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