COVID-19 Update

An update for our loyal supporters: PARCA’s 2023 Devil’s Slide Run Is Cancelled.

The Devil’s Slide Run and Ride have been a labor of love for us, and we deeply appreciate your support over the last decade.

While the past two years have stretched our staff capacity to the limit, we are overjoyed that the 1,000 people with developmental disabilities and their families that we serve are well, safe, and thriving.

However, our Board and PARCA management had to take a realistic look at our ability to produce these events this year. Our dedicated staff has been working overtime since the shutdown, and are stretched thin. It takes about a hundred additional volunteers to put on our event and COVID is still a deterrent to recruiting them, and keeping our client volunteers, many of whom have compromised immune systems, safe. We explored scaling down the events, but we’d actually lose money by doing so.

We have not yet made any decisions about events next year. We have learned to expect the unexpected and adapt quickly.

We will keep you posted and hope that you will support us in the future.
Thank you for your past support of our events and for helping people with developmental disabilities!

For any questions, please email us at dsr@parca.org.

The Devil's Slide Run Benefitting PARCA

Run the most scenic trails in Northern California, while supporting more than 1,000 individuals with developmental disabilities. The DSR features five courses that offer something for everyone, from weekend warriors to hard-core endurance athletes. Each distance features breath-taking coastal vistas, fearsome climbs, rolling hills, epic descents and best-in-class support. The 50k, 30k, and half marathon feature the Alta Vista Trail, a cruel and beautiful climb that is dubbed the steepest in the Bay Area!

The Devil’s Slide events also feature a devilishly fun and challenging ride. Check out our sister site.

Infernal 50k

New this year! Are you up for the ultimate challenge? The Infernal 50k boasts more than 7,000 feet of climbing into this beautiful and very tough course. You will run through beautiful coastal vegetation, climb one of the steepest hills in Northern California (twice!), while enjoying spectacular views of the Pacific Ocean and San Francisco County.

Devil’s Dirty Thirty 30k

A true test of endurance, the Devil’s Dirty 30k packs a whopping 4,122 feet of climbing into this beautiful and tough 18.1-mile course. This 30k has it all: challenging climbs, long downhills and stellar views from some of the best trails on the San Francisco Peninsula.

Hella Hard Half Marathon

The Hella’ Hard Half Trail Run hurts so good — a challenging 12.5-mile semi-loop with 3,908 feet of elevation gain and sweeping views of the California coastline. It includes the infamous Alta Vista Trail, dubbed “the steepest trail in the Bay Area, bar none!” by the San Francisco Chronicle.


Evil Eleven 11k

The Evil 11k Trail Run is a fun and challenging 7.0-mile semi-loop with 1,639 feet of elevation gain. You’ll find love at first sight with views of the Pacific Ocean and the San Francisco Peninsula.


Fiery Four 4k

The Fiery 4k Trail Run/Hike is a moderate 2.6-mile loop with 629 feet of elevation gain in the lush and shaded San Pedro Valley County Park. If you are not running too fast, you may even catch sight of the seasonal Brooks Falls from the Brooks Creek Trail.


The Devil's Slide Run Community


PARCA has been enriching the lives of people with developmental disabilities and their families since 1952. Learn how your participation supports our organization.

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Fast Facts

First time participant? Learn all you need to know about one of the best trail running races in Northern California.

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Partner With Us

From volunteering to sponsoring our event, there are plenty of opportunities to get involved and make a difference for PARCA’s clients.

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Corporate teams, triathlon and running clubs are welcome! Sign up as a group of five or more and receive special perks.

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Epic climbs, drop-dead views and best-in-class race support. See first-hand why you should sign up for the DSR today.

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Devil’s Slide Ride

Do you have friends or family members who prefer to ride on October 17? Visit our sister site, the Devil’s Slide Ride.

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