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Grand Ridge Trail Runs 5m | Half-Marathon | Marathon | 50k

November 16 @ 6:45 am - 4:30 pm PST

|Recurring Event (See all)

An event every year that begins at 6:45 am on day third of November, repeating until November 18, 2023

Join us for a trail run at Grand Ridge Regional Park, just across I-90 from Tiger Mountain. A great trail system awaits.

Grand Ridge is our Series Awards finale. We’ll hand out Series awards, so stay for the festivities!

The aid stations are fully stocked with water, Nuun, Clif product, PBJ sandwiches, fruit, cookies, crackers and pretzels. As always, at the finish there will be a full variety of post race foods awaiting you.

This event is sanctioned by USA Track & Field.

This is a cupless race. All runners should carry with them a refillable container that they can run with. There will be a limited number of cups for emergency situations.

Course Notes:
Elevation gain:
5K: 670′
Half: 2400′
Full: 4800′
50K: 6000′

Aid station locations:
Half: 3.8, 6.9, 10.1 miles|
Marathon: 3.8. 6.9, 10.1, 13.1, 16.9, 20.0, 23.1 miles
50K: 3.8. 6.9, 10.1, 13.1, 16.9, 20.0, 23.1, 26.2 miles

The trails will be open to other users during the event, including hikers and cyclists. Please be courteous; you are not likely to encounter more than a few. Where the trails are narrow, please let other participants pass you if they want to get by. It is a passing runner’s job to tell the person in front that they wish to pass.

Check-in and day-of registration opens

Pre-race briefing and free drawing
15 minutes before each race start

Race Starts
marathon and 50k – 7:45am (no early starts)
half marathon (13.1-mile) – 9:00am
5-mile – 9:20am

Last Loop Cutoff (you may not start the final 5-mile loop after this time)

The race registration and start will be at Grand Ridge trailhead, Exit 20 off of I-90 in Issaquah, Washington. The address is 27000 SE 79th St, Issaquah, WA 98027.

I-90 eastbound
– take Exit 20 (High Point Way)
– at the end of the ramp, turn left

I-90 westbound
– take Exit 20 (High Point Way)
– at the end of the ramp, turn right

Parking is along the road from the start location outward, and since there will be many runners, please make sure to arrive early so you have plenty of time to walk to the race start. We encourage you to consider carpooling too.


November 16
6:45 am - 4:30 pm
Event Categories:


Grand Ridge Regional Park
Issaquah- Preston Trail
Issaquah, WA 98027 United States

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Event details subject to change; check event websites for details.