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Events
USARunningTrail50mi · 80.5 km / 50.0 mi

Rim Rock 50 Mile Trail Challenge

Napa, California · USA

When is the next Rim Rock 50 Mile Trail Challenge?

Start time · 05:30 GMT-7

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Time limits and cut-offs

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50mi · 2027-05-15
Not yet verified for this edition. Check the official race instructions.

No official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.

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About Rim Rock 50 Mile Trail Challenge

Rim Rock 50 Mile Trail Challenge is a running event in Napa, California, United States. Recorded disciplines include 50mi. The listed surface is trail. The listed organiser is BayTrailrunners. The next listed date is Saturday, 15 May 2027. Check the organiser's information for entry and race-day arrangements.

Dates, starts & entry

Times are local to the race. Select the entry route for your distance.

  • 50mi · 80.5 km / 50.0 mi

    Sat, 15 May 2027

    Starts 05:30 GMT-7

    Confirm date and entry availability with the organiser

    Entry details
    Add to calendar

    Rim Rock 50 Mile Trail Challenge · 50mi · 80.5 km / 50.0 mi

    2027-05-15 · 05:30 (America/Los_Angeles)

    Venue / race area: Napa, California, United States

    Race website

    Start reminder only; finish time is not confirmed. Adjust the calendar duration if needed.

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    Rim Rock 50 Mile Trail Challenge · 50mi · 80.5 km / 50.0 mi

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    Date, 05:30 start and distance list (Mini Rim Rock, 50 mile solo) confirmed on the organiser's UltraSignup registration page for the 2027 edition (checked 2026-11-09). Local time America/Los_Angeles.

    Edition source

Location & race day

Listed venue / area

Napa, CaliforniaUSA

Find this location on a map

Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.

About the race

Rim Rock 50 Mile Trail Challenge is listed on UltraSignup for 2027 near Napa, California, with the following distances or formats: Mini Rim Rock, 50 mile solo. Organised by BayTrailrunners.

Surface:
Trail
Organiser:
BayTrailrunners
Race website

Ways to enter

Compare the listed booking routes. Verified links show when they were checked.

Sat, 15 May 2027

Third-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.

Race questions

When is the next event?

The next listed date for Rim Rock 50 Mile Trail Challenge is 15 May 2027.

Where is it held?

Rim Rock 50 Mile Trail Challenge is listed in Napa, California, United States. Check the event's race-day instructions for the exact start location.

Which distances are listed?

The programme listed for 15 May 2027 includes 50mi.

What time does it start?

Listed starts for 15 May 2027: 50mi: 05:30 GMT-7. Times are local to the race venue. Follow the start or wave assigned to your entry.

How do I enter?

Use the listed entry options for your distance. Check the entry page for current availability, eligibility and deadlines.

Entry details

Results

Results have yet to be added for this race.

Past races

None listed yet.

More running nearby

Sat

15

May

2027

Napa Wilderness Trail Runs

Napa, CaliforniaUSA

Running10K · 10 km / 6.2 mi21K · 21 km / 13.0 mi30K · 30 km / 18.6 mi50K · 50 km / 31.1 mi· Trail

Trail and ultra running event near Napa, California.

Start time not yet verified

Status TBC

Details & entryRace website

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