Sonoma Coast 30K 2027
The forecast arrives five days before the start.
Here you'll find the elevation profile, an estimated finish time based on your UTMB Index and details of the 3 aid stations to plan your nutrition and hydration segment by segment.
What's your time based on your UTMB?
Times estimated by the RAVIT model, learned from real ultra-trail finish times. Enter your UTMB Index (utmb.world) to get a personalized estimate.
Cut-off times and crew - Sonoma Coast 30K · 2027
Data from the official race rules, checked for every edition. The race rules prevail. Positions are interpolated along the GPX track and are a guide, not official course marking.
What you'll find at each aid station
| Product | Willow Creek Aidkm 8.5 | Freezeout Aidkm 16.2 | Pomo Canyon Aidkm 21.8 |
|---|---|---|---|
| Water | ✕ | ✕ | ✕ |
| Brand products | ✕ | ✕ | ✕ |
Elevation profile
The course and its aid stations
Other trails worth preparing for
- Elk-King 50K48 km · 1,943 m D+ · October 17, 2026
- Pumpkin Hollar 25K25 km · 300 m D+ · October 17, 2026
- Fort Collins - Half Marathon22 km · 460 m D+ · October 18, 2026
- Fort Collins - Marathon43 km · 1,162 m D+ · October 18, 2026
- Javelina Jackass 31k31 km · 322 m D+ · October 31, 2026
- Coldwater Trail 25k25 km · 619 m D+ · November 1, 2026
- Mt. Tam 50k48 km · 2,005 m D+ · November 7, 2026
- HOKA Pacific Trails California by UTMB - 25K®25 km · 667 m D+ · November 15, 2026
- FOURmidable 35k35 km · 1,122 m D+ · February 13, 2027
Sources and method
- Time projection — times by index rest on a Riegel formula adjusted for elevation, calibrated on the previous edition's official results. Peter Riegel (Wikipedia)
- Trail nutrition — hourly targets for carbohydrate, fluid and sodium follow the commonly accepted ultra-endurance guidance. La Clinique du Coureur — Fuelling in trail running
- Course, aid stations and cut-offs — taken from the event's official rules, which prevail in case of any discrepancy. Official site — Sonoma Coast 30K
Weather for Sonoma Coast 30K
The weather for Sonoma Coast 30K will appear here as soon as the forecast models reach that date, around five days before the start: feels-like temperature, rain, snow, wind and storms, section by section and at your passage time.
Detailed weather for Sonoma Coast 30K, hour by hour on the courseFrequently asked questions
How many checkpoints?
Sonoma Coast 30K has 4 checkpoints: 3 aid stations and 1 checkpoint with undocumented contents. Details are in the two tables above.
What's the longest segment without aid?
The one leading to Willow Creek Aid: 8.5 km and 356 m elevation gain. That's the one to load up for first.
How do I find the exact location of an aid station?
The Google Maps icon in the “Access” column opens the aid station's location: handy for planning your crew's routes.
What distance and elevation gain?
Sonoma Coast 30K is 30 km long with 1331 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 3h32 for Sonoma Coast 30K.
What's the weather forecast?
The weather for Sonoma Coast 30K will be published on this page around five days before the start, once the forecast models reach the race date. It will be detailed section by section: feels-like temperature, rain, snow, wind and storms.
Want to stack the odds in your favor for Sonoma Coast 30K?
In 2 minutes, RAVIT generates your complete plan: segment-by-segment time, carbs, water and sodium at every aid station, printable roadbook.
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