37.4208 N, 122.2528 W

Today is:  Saturday, August 19, 2017  

San Francisco Bay Area Trailrunning

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Whistle Punk Half - Race Day

The Race  •  Race Day  •  Course Profile


Whistle Punk Half
Date: New date coming soon
Start Time: 9:00 AM
Event: Half Marathon
Location: Purisima Creek Redwoods - San Mateo, CA

Driving Directions: When coming to Purisima Creek Redwooods OSP from the north (San Francisco) or the south (San Jose), use Highway 92 heading west towards Half Moon Bay. Turn left at the Skyline Blvd (Highway 35) exit. From Half Moon Bay, turn right on Skyline Blvd. The preserve's main entrance and the North Ridge Trail trailhead are located on Skyline Boulevard (Highway 35), 4.5 miles south of Highway 92. For more information, go to the Purisima Creek website.

We'll make it easy for you:

Parking: Carpool if you can! Parking is available for 20 cars in the North Ridge main lot, and another 20 in front of the Country Store next door to the preserve. We will have an informed and upbeat volunteer point you in the right direction when you arrive.

Sign-In & Bib Pick-Up: 8:00AM - 8:45AM at the starting line.

Briefing: 8:50AM at the starting line

Start: 9:00AM


  • All participants will receive a BayTrailrunners Whistle Punk T-Shirt.

  • First place finishers will each be awarded gift cards from our race sponsor, A Runners Mind.

  • Our friends from A Runners Mind will be there supporting the race and sharing some of the latest product from the store.

Time Limit: We have the space booked for the entire afternoon so don't worry about any time limits.

Timing: We will be using the timing software that Utrasignup has generously supplied to us.

Marking: The course will be marked with striking blue ribbon with clear and easy to read signage pointing you in the right direction. Details will be explained at the pre-race briefing.

Course measurements: Our data has been collected using Google Earth and cutting edge GPS devices. The detailed information gathered and displayed is provided by 3rd-parties and BayTrailrunners LLC cannot guarantee the accuracy of this information. Provided for reference only.

Rules: No dogs, bikes or strollers. Stay on marked trails. Yield to park personnel and other visitors. Do not litter. Thank the volunteers!

Aid Stations: Aid will be provided throughout the course. You can expect fruit, carbs, sweets, water, and Gatorade sports drinks. There will be a water stop at the 6 mile mark where Grabtown Gulch and Borden Hatch Mill join. Another will be setup at 9 miles with nutrition and water at the bottom of Purisima Creek where your climb up Whittemore Gulch begins. We strongly recommend that all runners carry some form of hydration pack or water bottle throughout the race.

Restrooms: Restrooms are located at the start and at the intersection of Purisima Creek and Whittemore Gulch.

Cancellations and Refunds: Entry fees are non-refundable and non-transferable to future BayTrailrunners events. BayTrailrunners however, will be happy to send you a 75% or 50% entry coupon if you let us know at least 2 weeks or 48 hours before the event, respectively.

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