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Event details subject to change!
Pre-registration is strongly recommended! During COVID, most event organizers do not have on-site registration. You are responsible for following event organizers’ COVID procedures.
To confirm event status (sold out, cancellations, schedule changes, COVID restrictions, etc.), visit the event website link below.

Snoqualmie Valley Half Marathon | 10K
July 30 @ 8:30 am - 1:30 pm PDT
An event every year that begins at 8:30 am on day last of July, repeating until July 26, 2025
The Snoqualmie Valley Trail meanders through one of the area’s most beautiful agricultural areas, the Snoqualmie Valley Half showcases this natural gem. This race is flat and fast and the surface is smooth and non-technical and showcases old-growth forest and farmland. You’ll have a spectacular and fast finish in the shadow of the historic big red barn at King County’s Tolt MacDonald Park!
HALF MARATHON INFORMATION
USATF Certification number: WA16003RMB
The Snoqualmie Valley Half starts at King County’s Tolt MacDonald Park and winds for about half a mile through the park before picking up the very scenic connector trail along the Tolt River. At about 1 mile, the course joins the Snoqualmie Valley Trail and stays on it for the remainder of the “out” section the course, before turning around and retracing the route, finishing at King County’s Tolt MacDonald Park.
Aid stations along the course will provide water, Nuun electrolyte drink, and Clif gels. They are located at approximately miles 2.9, 5.9, 7, 10.2 for half-marathon runners. Portable restrooms will be located at miles 2, 2.9, 10.2 and 11.1 only.
10K COURSE INFORMATION
USATF Certification number: WA16002RMB
The Snoqualmie Valley 10k starts at King County’s Tolt MacDonald Park and winds for about half a mile through the park before picking up the very scenic connector trail along the Tolt River. At about 1 mile, the course joins the Snoqualmie Valley Trail and stays on it for the remainder of the “out” section the course, before turning around and retracing the route, finishing at King County’s Tolt MacDonald Park.
The aid station along the course will provide water and electrolyte drink, and are located at approximately miles 2.9 and 3.3 for 10K runners. There will also be portable restrooms at the Aid Station.
Schedule
8:30am: Half Marathon Start
9:15am: 10k Start
10:00am: Beer Garden opens
1:30pm: Course closes for all participants
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To confirm event status (sold out, cancellations, COVID restrictions, etc.), be sure to visit the event website above.
Pre-registration is strongly recommended! During COVID, most event organizers do not have on-site registration. You are responsible for following event organizers’ COVID procedures.
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