Berkeley, CA, United States · Saturday, June 12, 2027

Fixed Distance 100 mi

Bay Area 100

249 days away

161 km Distance

not publishedn/a Climbing

8.1 est Grit · Hardcore

Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.

37.8716° N, 122.2728° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~103 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 21°C

Night low 11°C

Rainfall Dry — rain unlikely

Daylight 14 h 45 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 87 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	100mi	103	Patrick Rabuzzi · 16:54:56	Caitlin Boldt · 21:52:12

25% of the 2026 field were women.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

Gear for this race

Chosen for 161 km of trail.

Trail Running Shoes 161 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 161 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 161 km, without the bounce.
Headlamps 161 km almost certainly means running into the night.
Accessories Chafe and blisters end more 161 km races than fitness does.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Asics