Tiger Claw

MAY
7-8
2027
A multi-route trail event on Tiger Mountain with three summit loops, offering a 50k option plus The Ascent, Big Cat, and The Ambush over a May weekend in Issaquah.
7-8 May 2027
50 kilometers

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Tiger Claw

Tiger Claw is a multi-route trail event held on Tiger Mountain, described as the largest of the Issy Alps. The weekend program on May 7 and 8, 2027, includes multiple race options listed as 50k, The Ascent, Big Cat, and The Ambush. The event is presented by Rabbit and uses routes that climb three of Tiger Mountain’s west peaks.

The core format for the main Tiger Claw challenge requires runners to complete three distinct summit loops. Participants may choose the order in which they run those loops, and an official Tiger Claw finisher title is awarded only to those who complete all three loops within the event cutoff time.

Trails are technical and include sustained climbs and steep descents under a canopy of fir and moss. Organizers advise that runners be self sufficient for hours at a time and that prior trail running or ultrarunning experience is recommended. The event materials warn that Tiger Claw should not be a participant’s first trail race.

The start and finish location has approval to be at the Issaquah Community Center in the town of Issaquah. The event acknowledges that it takes place on the original homelands of the Duwamish and Coast Salish people. Visit the organization's website for the most recent information.

Events nearby

Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.
Season finale at Grand Ridge Park near Issaquah with 5 mile, half marathon, marathon, 50K and a kids race on forested, technical trails.
Trail running at Carkeek Park in Seattle with 5k and 10k forest courses featuring varied trail widths and rolling to steep sections. The 10k is two laps of the 5k and includes substantial climb.
Cross-country meet at Lincoln Park in Seattle with 6K, 8K and 10K races; team and individual entry options and a $15 registration fee.
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