Date
Sat, 13 Mar 2027
Start
07:00
Venue
Rodeo Beach, 11050 Mitchell Road, Sausalito, CA 94965
Sausalito, Marin County
Countdown
March
The shorter option from Sausalito: a single 50 km loop with a civilised 07:00 start. Roughly 1,900 m of climbing makes it a solid first ultra, not a walk in the park.
Key facts
0110-hour cut-off for the full loop
02Single loop, so no looping back past the start
Create a free training plan for the Marin Ultra Challenge 50 km
7-day free trial, no card required
The course
The route
Sausalito
Distance50km
Total climb1,920m
StartElevation
0 kmDrag map to rotate44.9 km
Weather
Mid-March, Sausalito
15°CTypical high
8°CTypical low
1°CColdest in 20 years
31%Days with rain
Highs around 15°C and lows around 8°C, but it has dropped to 1°C. Rain on 31% 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 Marin Ultra Challenge 50 km
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 Marin Ultra Challenge 50 km plan targets
Typical sessions
50 km with 1,920 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 Marin Ultra Challenge 50 km plan.
7-day free trial, no card required.
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