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Sonoma Fall Classic

Sonoma Fall Classic 2027

16.10.2027Lake Sonoma Recreation Area, Geyserville, CA (United States)Dates to be confirmed
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3 courses · 42.2–160.9 km26.2–100 mi

At a glance

Sonoma Fall Classic 2027 is expected on Saturday 16 October 2027 in Lake Sonoma Recreation Area, Geyserville, CA (California, United States), date to be confirmed by the organiser. Three distances to choose from: 42.2, 80.5 and 160.9 km.

The organiser has not published the elevation gain yet.

On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

3 courses

  1. 42.2km26.2mi

    1’560 m D-5’118 ft D-

    42.2 km

    4 aid stations

    No index
    GPX
  2. 80.5km50mi

    3’440 m D-11’286 ft D-

    80.5 km

    8 aid stations

    No index
    GPX
  3. 160.9km100mi

    160.9 km
    No index

Course analysis

80.5 km50 mi3’536 m D+11’601 ft D+

116effort kmⓘ80.5 km on the map · feels like 116 km50 mi on the map · feels like 116 km
D+
3’536 m11’601 ft
D−
3’440 m11’286 ft
Max alt.
532 m1’745 ft
Steepest
14%

Segments

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Elevation profile: 80.5 km

69 m – 532 m226 ft – 1’745 ft

Terrain

Aid station by aid station

Terrain, climb and cutoff between each aid station.

  1. Start → Lake Sonoma Visitor Center Aid km 0 → 18.7km 0 → 11.6

    18.7 km11.6 mi · +1’104 m3’622 ft · −1’104 m3’622 ft

  2. Lake Sonoma Visitor Center Aid → Island View Aid km 18.7 → 28.6km 11.6 → 17.8

    9.9 km6.2 mi · +393 m1’289 ft · −315 m1’033 ft

  3. Island View Aid → Warm Springs Aid km 28.6 → 40.5km 17.8 → 25.2

    11.9 km7.4 mi · +435 m1’427 ft · −432 m1’417 ft

  4. Warm Springs Aid → Wulflow Water km 40.5 → 49.3km 25.2 → 30.6

    8.8 km5.5 mi · +349 m1’145 ft · −258 m846 ft

  5. Wulflow Water → Liberty Glen Aid km 49.3 → 54.1km 30.6 → 33.6

    4.8 km3 mi · +207 m679 ft · −124 m407 ft

  6. Liberty Glen Aid → Lone Rock Aid km 54.1 → 61.3km 33.6 → 38.1

    7.2 km4.5 mi · +281 m922 ft · −253 m830 ft

  7. Lone Rock Aid → Falcon's Nest Water km 61.3 → 67.9km 38.1 → 42.2

    6.6 km4.1 mi · +193 m633 ft · −391 m1’283 ft

  8. Falcon's Nest Water → Lone Rock Aid km 67.9 → 74.5km 42.2 → 46.3

    6.6 km4.1 mi · +390 m1’280 ft · −192 m630 ft

Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.

Race plan

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Pacing, aid stations and fueling timed to your effort on Sonoma Fall Classic, in one roadbook.

Includes this race's official aid stations and cutoff times.

Where to stay

Find a place to stay near Lake Sonoma Recreation Area, Geyserville, CA for the race.

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