Date
Sat, 1 May 2027
Start
05:00
Venue
Stinson Beach Community Center, Stinson Beach, California
Stinson Beach, Marin County
Countdown
May
A true 100K trail ultra out of Stinson Beach, running since 1996. About 3,500 m of climbing over 100 km is a steady, honest day, not a brutal one, and a relay lets you take a slice.
Key facts
0115h 30m cut-off, so you need to finish by 20:30
02Ages 18 to 80 can enter
03Four-person relay on the same course, with legs of about 26, 9.5, 14 and 13 miles
Create a free training plan for the Miwok 100K Presented by The North Face
7-day free trial, no card required
The course
The route
Stinson Beach
Distance100km
Total climb3,505m
StartElevation
0 kmDrag map to rotate81.6 km
Weather
Early-May, Stinson Beach
18°CTypical high
9°CTypical low
4°CColdest in 20 years
10%Days with rain
Highs around 18°C and lows around 9°C, but it has dropped to 4°C. Rain on 10% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Miwok 100K Presented by The North Face
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Miwok 100K Presented by The North Face plan targets
Typical sessions
100 km with 3,505 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Hill reps and vert to prepare the climbs and descents
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Miwok 100K Presented by The North Face plan.
7-day free trial, no card required.
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