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Join Bay Trailrunners for the first organized trail race held in Purisima Creek Woods. Whistle Punk - The Deuce offers challenging Half & Full Marathon courses that invite all levels of trail blazers to its woodland trails to experience the uphill climbs, towering trees, and stunning vista views.

How to enter the Whistle Punk - The Deuce

  1. Half Marathon

    Run 13.1mi
    Event passed
  2. Marathon

    Run 26.2mi
    Event passed

Whistle Punk - The Deuce routes

Whistle Punk - The Deuce, named as a nod to the area's logging past, is the first ever organized trail race through the stunning Purisima Creek Redwoods Open Space Preserve.

The area, located on the western slopes of historic Kings Mountain, is well-known for its towering coastal redwoods, hardwood forests, and the large number of animal species that call it home.

The course, run along woodland trails within the preserve, is mostly non-technical, however, runners can expect some considerable thigh-burning climbs that will challenge even the most seasoned of runners. That being said, the course is perfect for experts looking to hone their trail technique, and first-timers looking for a piece of the trail running action. The half marathon will be one loop of the course, and the marathon will be two.

As a reward for taking on this challenge, runners will be treated to beautiful vista views, the tranquility of the forest, and the opportunity to explore the area in a new way.

Aid will be provided throughout the course and at the finish. You can expect the standard aid station fare of fruit, carbs, sweets, salty snacks, water, Skratch hydration and Clif nutrition products.

Event Details

What’s Included
  • Bay Trail Runners Whistle Punk T-shirt
  • Coasters sourced from a fallen 1100-year-old La Honda, CA redwood tree
  • First place finishers will receive gift cards for A Runner's Mind
  • Hydration and nutrition from Skratch
  • A Runner's Mind pop-up vendor
  • Chip-timing
  • Aid stations
  • UTMB Qualifying Race - marathon runners who finish in 6 hours will earn 2 points towards UTMB
Raceday Logistics


08:00am - 08:45am: Sign-in and bib pickup

08:50am: Briefing at the start line

09:00am: Marathon and Half Marathon start

Cutoff Times:

Marathon runners will have 3.5 hours to reach the 13 mile mark, which is the start of your second loop. If you fail to reach this point in this time, you will be directed to the half marathon finish.

Kit List

Hydration pack or water bottle for during the race is highly recommended.


Spectators and welcome and encouraged to come to the finish line to cheer on their runners as they complete the challenge.


Sign up here to be a volunteer and earn a $50 credit towards a race of your choice:

Frequently Asked Questions

Will there be facilities to use the the Whistle Punk - The Deuce?
Yes, there will be restrooms located at the start/finish line, as well as at the intersection of Purisima Creek and Whittemore Gulch.
Where will the aid stations be along the route of Whistle Punk?
Half marathon runners will have aid stations at 6 mile, 10 mile, and the finish line. Marathon runners will have these stations, plus additional stations at 13 miles, 16.5 miles, 19.5 miles, and 22.5 miles before the final climb to the finish.
Will the course for Whistle Punk be marshaled?
No, however, the route with be clearly marked with striking blue ribbon with easy to read signage. The aid stations will also be able to help you if necessary.

Whistle Punk - The Deuce weather forecast

Clear throughout the day.

Predicted highs
Predicted lows
IconModerate breeze possible, up to 12mph

Meet the organiser

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BayTrailrunners is a homegrown, grassroots running community that was founded locally in the foothills of the Santa Cruz Mountains, the Marin Headlands and the San Francisco Bay Area's Mid-Peninsula. Not only do we organize some amazing trail races, but we also host the Northern CA, Trails In Motion Film Festival tour. Please join us for some great trail and ultra entertainment!

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