Overview
Prepare for a trail running experience like no other at the Tiger Claw 50K. This race challenges you to ascend and descend three of the most demanding peaks of Tiger Mountain, totaling nearly 8,800 feet of elevation gain. With the freedom to choose the order of the loops, you control your destiny. But beware—the terrain is unforgiving, with steep climbs and quad-burning descents that will test even the most seasoned runners. Do you have what it takes to earn the Tiger Claw finisher’s title?
Saturday, May 10, 2025
Registration
Opens
TBD
Closes
TBD
Registration Fee
$150
Official race details:
Course
Distance:
50
K
Course type:
Unknown
Elevation gain:
▲
8,800ft
Elevation loss:
▼
8,800ft
Max altitude:
2,300ft
Start time:
May 10, 2025
7:00 AM
Cutoff time:
10HR
Course Description
The Tiger Claw 50K is a unique challenge that puts you in control. You will tackle three different climbs, each varying in length and difficulty, with one common descent. The course features steep uphills and technical terrain, providing a true test of endurance and strength. Successfully complete each loop and return to the finish to claim your victory.
Logistics
Seattle-Tacoma International Airport is approximately 25 miles from Issaquah, WA.
Driving Directions
Parking
Parking is available at the Issaquah Community Center and nearby streets. Participants are encouraged to carpool where possible. Crew and visitors must park in designated areas.
Lodging
Nearby hotels include:
Courtyard by Marriott Seattle East/Issaquah
Hilton Garden Inn Seattle East/Issaquah
Local Airbnb options are also available in Issaquah, WA
Aid Stations
Aid stations provide water, electrolyte drinks, and a variety of snacks to refuel runners. Each station is staffed by volunteers ready to offer support and encouragement. Aid Station details include:
3.2M → Pine Ridge → Cutoff 10:30AM → Drop Bag ✅
7.5M → Summit View → Cutoff 12:00PM → Drop Bag ✅
12.1M → Forest Junction → Cutoff 2:00PM → Drop Bag ✅
All stations are well stocked, and volunteers ensure every runner stays safe and fueled along the course.
Race Requirements
Tiger Claw is extremely challenging and requires previous trail running or ultrarunning experience. Runners must be comfortable navigating technical trails and sustaining long climbs and descents. This race is not recommended for beginners.
Trail Work
Qualifying Races
Runners should have experience completing at least one trail race of 25K or longer prior to registering for Tiger Claw to ensure safety and success.
Mandatory Gear
Water reservoir or bottles for 1L minimum
Trail running shoes suitable for technical terrain
Weather-appropriate clothing including rain shell
Headlamp with extra batteries
Emergency blanket or foil survival sheet
Basic first aid supplies
Policies
Cancelations & Deferrals
Registrations are non-refundable. Deferrals to the following year may be allowed if requested at least 60 days before the race.
Crew, Pacers & Spectators
The race allows crew and pacers for 50K runners.
Visitors are welcome to cheer from designated spectator areas.
All crew must follow race safety instructions and course guidelines to ensure runner safety.
Volunteers
Volunteers are the backbone of Tiger Claw. They help make this race a world-class event. To volunteer, visit https://runtigerclaw.com/volunteer
Charity & Beneficiary
Tiger Claw supports local trail stewardship and conservation efforts in the Issaquah Alps. A portion of proceeds goes to the Issaquah Alps Trail Club. More information at https://www.issaquahalpstrails.org
Land Acknowledgement
We acknowledge that this event takes place on the original homelands of the Duwamish and Coast Salish people. We honor their enduring connection to this land and recognize the responsibility we have to protect and respect it.
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