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10K races in Eastside & South King (2026-27)
Updated
3 10k races are coming up in Eastside & South King in the next 90 days; the next is Snoqualmie Valley Harvest Run on Sunday, October 25 in Snoqualmie. 9 10k races are listed in Eastside & South King for the next 12 months; the next one starts from $37.
All SeattleSeattle (city) (42)Eastside & South King (9)Snohomish County (13)Tacoma & South Sound (10)
By date
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from $37
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from $38Goes up Nov 1
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from $20
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Woodinville Half and 10K
Sat Feb 27 · 8:00 AM · Woodinville · Eastside & South King
10KHalf marathonTrail
from $60Goes up Nov 16 -
from $44Goes up Jan 8
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from $51Goes up Nov 1
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Lake Wilderness Triathlon and Run
Sat Jun 5 · 7:00 AM · Maple Valley · Eastside & South King
5.5K10KTrail
from $55Goes up Apr 26 -
Snoqualmie Valley Half
Sat Jun 19 · 8:30 AM · Carnation · Eastside & South King
10KHalf marathonTrail
from $54Goes up Nov 1 -
Run for the Gnomes Half Marathon & 5K
Sat Oct 2 · 8:00 AM · Maple Valley · Eastside & South King
10KHalf marathon
from $33Goes up Jan 1
Quick answers
How many 10k races are in Eastside & South King in the next 3 months?
3 10k races are listed in Eastside & South King between October 17 and January 15. The next is Snoqualmie Valley Harvest Run on Sunday, October 25 in Snoqualmie.
What is the cheapest 10K in Eastside & South King right now?
Christmas Rush on December 12 has the lowest listed entry fee in the next 90 days: $20. Prices are before the registration platform's processing fee.
When does the next early-bird price end for 10k races in Eastside & South King?
Run or Wine 5K Series - December: the 5K goes from $38 to $48 after November 1. 6 more of these 10k races publish a later price increase.
Are there 10k races in Eastside & South King this weekend?
None are listed for October 17 to October 18. The next is Snoqualmie Valley Harvest Run on Sunday, October 25 in Snoqualmie.