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Trail 12mi events in North America
Explore 1 recorded event in North America. No upcoming dates are currently listed, but you can still browse the race guides and previous editions.
The recorded events include Sonoma Fall Classic — Lake Sonoma.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
1 listed events · 0 with upcoming dates
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Upcoming 12mi events
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Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Sonoma Fall Classic — Lake Sonoma
USAGeyserville, California
The Lake Sonoma trail programme now held in autumn, with long ultras and shorter routes around the lake and surrounding hills.
Next date not listed
Race guide and recorded editions →Questions about 12mi events in North America
What should I check before a running event in North America?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which trail 12mi events are coming up in North America?
There are no upcoming dates listed for North America at present. The recorded race guides remain available, and a new edition will appear in the calendar when it is added to AthRecs.
Where can I find race entry details for North America?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.