Santa Rosa Marathon
Santa Rosa, United States of America · Sunday 23 August 2026
Santa Rosa Marathon, held annually in Sonoma County, California, is a scenic event that takes runners through the heart of California Wine Country. The race features a full marathon, half marathon, 10K, and 5K, making it accessible to runners of all levels. The courses are USATF-certified and serve as a Boston Marathon qualifier, attracting serious runners.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:01:50
Time difference: +1.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain70m
Elevation High52m
Elevation Low21m
Weather Forecast
High26°C
Low14°C
Chance of Rain0%
How hard is Santa Rosa Marathon?
Moderateharder than 51% of marathons
Flattest / easiestHardest
On our difficulty model, Santa Rosa Marathon plays about 6 minutes slower than an average road marathon for a 3:30 runner. It ranks #565 hardest of 1150 marathons we analyse, and #294 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Santa Rosa Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Santa Rosa Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:59:46 | −00:14 |
| 3:30:00 | 3:30:46 | +00:46 |
| 4:00:00 | 4:01:50 | +01:50 |
| 4:30:00 | 4:32:55 | +02:55 |
| 5:00:00 | 5:04:04 | +04:04 |
| 5:30:00 | 5:35:15 | +05:15 |
| 6:00:00 | 6:06:28 | +06:28 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Santa Rosa Marathon 2026 Course Analysis
Santa Rosa Marathon is a full marathon held in Santa Rosa, United States of America. It is scheduled for Sunday 23 August 2026. The course is run on road surface with 70m of total climbing, with its high point near 52m above sea level. For registration and full race details, visit the official Santa Rosa Marathon website.
Elevation Profile
This is a very flat course, with only 70m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for August, the expected race day conditions are as follows. Moderate temperatures between 14°C and 26°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Road
Santa Rosa Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Santa Rosa Marathon against other marathons to find the right race for your goals.
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