
Santa Rosa, United States of America · Monday 23 August 2027
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.
Adjusted Time
4:20:36
Time difference: +20.6 minutes compared to a flat, road, temperate course.
On our difficulty model, Santa Rosa Marathon plays about 21 minutes slower than an average road marathon for a 3:30 runner. It ranks #259 hardest of 1151 marathons we analyse, and #149 of 576 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
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 | 3:11:58 | +11:58 |
| 3:30:00 | 3:46:08 | +16:08 |
| 4:00:00 | 4:20:36 | +20:36 |
| 4:30:00 | 4:55:19 | +25:19 |
| 5:00:00 | 5:30:18 | +30:18 |
| 5:30:00 | 6:05:30 | +35:30 |
| 6:00:00 | 6:40:57 | +40:57 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Santa Rosa Marathon is a full marathon held in Santa Rosa, United States of America. It is scheduled for Monday 23 August 2027. 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.
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.
Based on historical weather data for August, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 27°C and 31°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (96%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
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.
If Santa Rosa Marathon fits your goal, these courses play out about the same on our difficulty model.
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