Date
Sat, 11 Sept 2027
Start
08:30
Venue
Lake Anza, Tilden Regional Park, Berkeley, California 94708
Berkeley, Alameda County
Countdown
September
The big one of the Berkeley day: a 50 km loop out of Lake Anza with just over 2,000 m of climbing. A proper ultra, with a long day on the trails ahead.
Key facts
018.5-hour limit to finish the 50K
02Everyone must be off course by 17:00
03Starts and finishes at Lake Anza
Create a free training plan for the Berkeley Trail Adventure 50 km
7-day free trial, no card required
The course
The route
Berkeley
Distance50km
Total climb2,073m
StartElevation
0 kmDrag map to rotate45.8 km
Weather
Mid-September, Berkeley
23°CTypical high
13°CTypical low
10°CColdest in 20 years
3%Days with rain
Highs around 23°C and lows around 13°C, but it has dropped to 10°C. Rain on 3% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Bright The Sprite04:50:3010.3 km/h
02Michelle Kent05:30:429.1 km/h
03Live Wold05:57:138.4 km/h
23
Women finishers
6:45:18
Median time
7.4 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Berkeley Trail Adventure 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 Berkeley Trail Adventure 50 km plan targets
Typical sessions
50 km with 2,073 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 Berkeley Trail Adventure 50 km plan.
7-day free trial, no card required.
Other races at Berkeley Trail Adventure
More events in September in United States
Bighorn RoadExpected Early September 2027 · Gypsum→Booneville Backroads UltraExpected Early September 2027 · Iowa→Gray Duck GritExpected Early September 2027 · Cannon Falls→The GRG EnduroExpected Early September 2027 · Saluda→Mad GravelSun, 5 Sept 2027 · Elbert→Mammoth Bar Trail RunsExpected Early September 2027 · Auburn→
