Ultra Marathons sector
Ultra Marathons
Sonoma Fall Classic
DateSat, Oct 17 2026
Start TimeTBA
LocationHealdsburg, CA
Distance100 Mile Sufferfest, 100 Mile Relay, 50 Mile Relay, Lake Sonoma 50 Mile, Sonoma Trail Marathon
Elevation GainFlat / n-a
Entry FeeTBD
FieldProfessional + Amateur
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