Mossy Mountain Madness Trail Run

Tackle rugged singletrack and big climbs at Grand Ridge Regional Park on Nov 8, 2025, with distances from 5 mile to 50K. The Evergreen Trail Runs finale by Arc’teryx Seattle offers scenic views, a kids run and handmade finisher awards.

Join the Ravenna Refresher Trail Run on November 15, 2025 at Ravenna Park in Seattle, with 4k, 8k and 12k options on a scenic forest loop with mild climbs. A friendly, well supported Winter Trail Series stop for trail runners.

Event overview The Redmond Reindeer Romp takes place on December 6, 2025, at Redmond Watershed Preserve in Redmond, WA. The event is part of the 2025-26 Winter Trail Series and offers the following distances: 5-mile Half marathon Online p..

Pigtails Run in Maple Valley on Dec 13, 2025 offers 50K, marathon and half on scenic mixed trail with gravel and crushed rock. This low cost Fat Ass event celebrates self sufficiency and welcomes finishers with pizza and medals.

Celebrate the solstice with a forest run at Seward Park in Seattle on December 20, 2025, choose 4.2 mile or 10k and enjoy an old growth loop along Lake Washington. Dress up for the costume contest and win a free entry.

Kick off 2026 on the trails at Absolution Run, January 3 at St. Edward State Park in Kenmore. Pick a 4 mile loop or an 8 mile double loop over winding single track and lakeshore, finishing with an uphill push and full aid station support.