Black Diamond
Trail Running Calendar near Black Diamond 2026-2027
Explore the top trail runs near Black Diamond for 2026-2027! We've gathered 47 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.
January 2027
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.
March 2027
Trail race at Bridle Trails State Park on March 20, 2027 offering 5k, 10.55 km, half marathon and marathon on mostly smooth, gently rolling forest trails with aid stations.
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.
Trail races in Sammamish on the wide Pipeline Trail and forest singletrack, offering 5K, 10K and half marathon distances with aid stations and a cupless policy.
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.
USATF-certified marathon and half on the Snoqualmie Tunnel rail-trail near Snoqualmie Pass, WA, on June 19, 2027; ranked for Boston qualification.