October 1 - November 30, 2021

Carkeek 12 Hour

950 North West Carkeek Park Road

12hrs, 6hrs AM start, 6hrs PM start

This Event Took Place Tue. Nov 30, 2021


The in-person event is scheduled for October 22, 2022. To help ensure everyone's safety and comfort, there will also be a virtual option in 2022 (October 1-31). If for any (unlikely) reason the 2022 in-person event needs to be canceled, runners will be moved to the virtual event AND given a credit for a future event at the price of their registration. Thank you for understanding the need to protect our respective communities.


For the 2022 in-person (October 22nd) event, we'll have a number of Covid precautions in place, including asking all participants demonstrate both proof of vaccination and a recent negative test (within 72 hours of race day), as well as masking and social distancing in communal areas (such as at check-in and the aid station). If these precautions are too much for you, we ask that you stick to the virtual event. Thank you for your part in helping protect our respective communities!


Carkeek has a reputation as the toughest 12-hour out there. If you've run it before, you know why: Lots of gain (often in the form of stairs) and frequently lots of unpredictable fall weather, too. Mostly, though, we want to see you challenge yourself and get into the spooky spirit of Halloween.


Saturday, October 22, 2022.

Running for 12 hours or 6 hours can sound intimidating, but we promise everyone does it the same way: One step at a time, one loop at a time. The 1.93-mile loop (or even harder 0-54-mile short loop, for those who have truly lost it) helps you rack up the miles and get more time on your feet. We promise the smiles generally outnumber the complaints, and no, the number of stairs each loop does not actually change.

Running for six hours or twelve hours is way more fun than you think, and while it's hard, the time will probably fly faster than you think, too. Yes, Carkeek hurts, always, but it's also always a blast, and a super fun way to leap into Halloween and seasonal costumed shenanigans.


In addition to being tough, this race is also meant, in its entirety, to be FUN. And, as it has historically happened around Halloween weekend, we are, as always, encouraging you to bring out your best Halloween costumes for a lap or several. In fact, we'll have additional prizes for best costumes! (And if you want to rock a costume for the entire run? We salute you and applaud your spirit!)

We strongly support pets in costumes, too, and have been known to find special prizes for extraordinary canine cuteness.


This race, like Cottontail in the spring, is an Endless Trails fundraiser, so any and all registration fees (+ bonus donations) that aren't used for awesome prizes will go to our 501(c)3 non-profit to support trail work, trail education, and trail advocacy throughout the Northwest region. Most often we donate Carkeek funds back to Carkeek trails. You'll also have the option to make an additional donation to Endless Trails as you're registering. Every little bit helps, and all of it goes back to good and much-needed work on local and beloved Northwest trails. Thanks for your support!
Looking for more info, or awesome photos from a previous year's race? Check out all the details here:

*Prices include US sales tax, but not UltraSignup fees; US fees applied at check-out. All registrations are non-refundable and non-transferable to other runners/events. Registration fees + all donations go to Endless Trails, a 501(c)3 non-profit for trails.*

Local time: 4:55 AM


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