Sumner
Trail Running Calendar near Sumner 2026-2027
Explore the top trail runs near Sumner for 2026-2027! We've gathered 39 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
Timed three, six and eight hour looped trail events at Fort Steilacoom Park on a 5 mile loop with 520 ft gain and staffed aid stations.
March 2027
Beachside trail run at Dash Point State Park on March 20, 2027 offering 10K and Half marathon loops through sandy beaches and forested singletrack.
Endurance loop races at Green Lake Park in Seattle where runners complete as many 3.2 mile laps as possible in 12 hours; a 5 hour option is also available.
April 2027
Trail races at Squak Mountain in Issaquah offering 12K, half marathon and 50K on forested, technical trails with substantial elevation gain.
May 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.
Timed loop races on a 1.54 mile scenic Magnuson Park loop offering 13 hour and 7 hour solo formats with chip lap counting and a vegetarian post race meal.
June 2027
A 50 mile team relay from the foothills of Mount Rainier to Tacoma's Ruston Way waterfront, run by teams of 2, 3, 4, or 6 with a waterfront finish festival.
Triathlon, duathlon and running events at Lake Wilderness Park featuring lake swims, rolling bike routes and trails along the Cedar River.
A 24 hour choose your own adventure trail event at Camp Sheppard featuring six routes, nine optional side quests, bonus points and a live leaderboard.
Three consecutive 5K trail segments in Puyallup on July 24, 2027 with a 45 minute cutoff per segment and mandatory RaceJoy tracking.
August 2027
Timed 3, 6, 12 and 18 hour loop races plus a 30 minute kids event on a scenic two mile loop through Lincoln Park in Seattle.
A 24 hour event in Bonney Lake where solo runners and teams attempt as many hourly 5K laps as they can on farm and trail terrain.
September 2027
Summer Spirit Run at Magnuson Park in Seattle offers 5k, 10k, 15k plus a Kids Dash and an Obstacle Dash on a USATF certified 5k loop.