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Trail Running Calendar near Cathcart 2026-2027

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Explore the top trail runs near Cathcart for 2026-2027! We've gathered 34 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Nov
7
Sa

Grand Ridge Trail Run

Trail Run 5 mi 13 mi 26 mi 50 km
Grand Ridge is the Evergreen season finale with 5-mile, half, marathon and 50K courses through forested Cascade foothills and cupless aid support.
Nov
7
Sa

Carkeek Cooler Trail Run

Trail Run 5 km 10 km
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.
Nov
21
Sa

Ravenna Refresher Trail Run

Trail Run 4 km 8 km 12 km
Trail races at Ravenna Park on November 21, 2026 with 4k, 8k and 12k options on a 4.1 km forest loop featuring moderate climbs and an aid station offering water and snacks.
December 2026
Dec
5
Sa

Redmond Reindeer Romp

Trail Run 5 mi Half Marathon
A winter trail run at Redmond Watershed Preserve on December 5, 2026 offering 5 mile and half marathon distances. Wide groomed trails, shuttle parking, on course aid for the half marathon, and a Winter Wonderland costume contest.
Dec
19
Sa

Seward Solstice Run

Trail Run 4 mi 10 km
A forest loop at Seward Park on December 19, 2026, offering 4.2-mile and 10k trail distances, an aid station, and a Glitter, Glamour, and the Galaxy costume contest as part of the Winter Trail Series.
January 2027
Jan
2
Sa

Absolution Run

Trail Run 4 mi 8 mi
A winter trail run at St. Edward State Park offering 4 mile and 8 mile looped courses with lakeshore single track, an on-course aid station, and nearby parking options including an alternate Bastyr University lot.
Jan
16
Sa

Frost Eagle Trail Run

Trail Run 5 mi Half Marathon
A Winter Trail Series event at Soaring Eagle Regional Park on January 16, 2027 offering 5 mile and Half Marathon courses on rolling, technical singletrack with multiple aid stations.
Jan
30
Sa

Interlaken Icicle Dash

Trail Run 5 km 10 km
Interlaken Icicle Dash at Interlaken Park in Seattle on January 30, 2027 offers 5k and 10k trail races as the final event of the 2026/27 Winter Trail Series. The course uses a 2.5 km loop on paved boulevard and dirt trails.
March 2027
Mar
27
Sa

Dizzy Daze

Backyard Ultra
A timed loop event at Green Lake Park in Seattle where runners complete as many 3.2-mile counter-clockwise laps as possible in 12 hours; a 5-hour option is available.
May 2027
May
1-2
Sa - Su

Seattle North Spartan Event Weekend

Obstacle Run 5 km 10 km
Two-day obstacle race weekend near Snohomish, Washington featuring Sprint and Super distances plus kids races on wooded trails.
May
7-8
Fr - Sa

Tiger Claw

Trail Run 3 mi 50 km
Trail weekend at Tiger Mountain near Issaquah featuring an ascent, a 50k, a three person relay and a combined Big Cat option.
May
8
Sa

Trillium Trail Run

Trail Run 5 km 10 km
Scenic 10K, 5K and kids 1-mile runs from Battle Point Park along the Forest to Sky Trail on Bainbridge Island with proceeds supporting local trail development.
May
29
Sa

Sri Chinmoy 13 Hour Ultra

Backyard Ultra
Timed 1.54 mile loop races in Magnuson Park offering 13 hour and 7 hour solo formats with chip lap counting, a stocked aid station and a boxed vegetarian post race meal.
June 2027
Jun
5
Sa

Lake Tye Challenge

Backyard Ultra Walk
A timed loop event at Lake Tye in Monroe WA featuring 12 hour, 6 hour and 3 hour races on a 1.70 mile paved loop with aid stations and chip timing.
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