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Weather Sonoma 100 Mile Sufferfest 2026

Photo of the Sonoma 100 Mile Sufferfest 2026 race courseLoading track…
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Forecast, not a guarantee

Hour by hour, from the start to the estimated finish

Weather for Sonoma 100 Mile Sufferfest 2026 by section and by 4-hour slice, from the start to the estimated finish.
LocationSat, 10/1705:00 AM09:00 AM01:00 PM05:00 PM09:00 PMSun, 10/1801:00 AM05:00 AM09:00 AM01:00 PM05:00 PM09:00 PMMon, 10/1901:00 AM05:00 AM
Startkm 0
Pritchett Peak Turnaroundkm 9
Lake Sonoma Visitor Center Aidkm 19
Island View Aidkm 29
Warm Springs Aidkm 41
Wulflow Waterkm 49
Liberty Glen Aidkm 54
Lone Rock Aidkm 61
Falcon's Nest Waterkm 68
Lone Rock Aidkm 75
Lake Sonoma Visitor Center Aidkm 81
Pritchett Peak Turnaroundkm 91
Lake Sonoma Visitor Center Aidkm 100
Island View Aidkm 110
Warm Springs Aidkm 122
Wulflow Waterkm 131
Liberty Glen Aidkm 136
Lone Rock Aidkm 143
Falcon's Nest Waterkm 149
Lone Rock Aidkm 156
Lake Sonoma Visitor Center Aidkm 163

Local race times (America/Los_Angeles). This race does not publish its cut-off: the finish is estimated for a slow runner, so the last columns are indicative.

Section-by-section forecasts for Sonoma 100 Mile Sufferfest 2026, calculated at the estimated passing time: feels-like temperature, rain or snow, wind and thunderstorms. Three models — AROME (Météo-France), ICON (DWD) and ECMWF IFS — served from the finest to the farthest-reaching.

The weather for the entire race, by 4-hour slots, at the start and at each aid station — to know when rain arrives and which pass gets windy, whatever your pace.

Forecast, not guaranteed: in the mountains a model describes a grid of several hundred meters, not the slope you're on.

Données météo : Météo-France (AROME), DWD (ICON), ECMWF (IFS) — CC BY 4.0, via Open-Meteo

Aid stations, estimated time and profile of Sonoma 100 Mile Sufferfest 2026