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Fall half marathons near Seattle (2026)
15 half marathons on the calendar from September to November, starting with Lake Washington Half Marathon on Saturday October 17.
All fall races5K races (45)10K races (22)Half marathons (15)Marathons (2)Trail races (7)
By date
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Lake Washington Half Marathon
Sat Oct 17 · 8:00 AM · Kirkland · Eastside & South King
Half marathonTrail
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Haunted 5K, 10K & 13.1M at Everett, WA (42)
Sat Oct 17 · 8:30 AM · Everett · Snohomish County
5K10KHalf marathon
Reg. closed -
Reg. closed
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Halloween Trick or Trot Run 5K/10K/13.1 Seattle
Sat Oct 31 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
PB&J Fuel Run 5K/10K/13.1 Seattle
Sat Oct 31 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
Gobbler 5K, 10K, & 13.1M at Everett, WA (45)
Sat Nov 7 · 8:30 AM · Everett · Snohomish County
5K10KHalf marathon
from $30 -
from $52Goes up Nov 8
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Run for Mental Health 5K/10K/13.1 Seattle
Sat Nov 14 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
Veterans Day Freedom Run 5K/10K/13.1 Seattle
Sat Nov 14 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
Gobbler 5K, 10K, & 13.1M at Everett, WA (46)
Sat Nov 14 · 8:30 AM · Everett · Snohomish County
5K10KHalf marathon
from $30 -
Gobbler 5K, 10K, & 13.1M at Everett, WA (47)
Sat Nov 21 · 8:30 AM · Everett · Snohomish County
5K10KHalf marathon
from $30 -
Seattle Ghost Marathon, Half & 50K
Sat Nov 28 · 7:00 AM · Seattle · Seattle (city)
Half marathonMarathon
from $150 -
Coffee Lovers Run 5K/10K/13.1 Seattle
Sat Nov 28 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
Thanksgiving Gobble Trot Run 5K/10K/13.1 Seattle
Sat Nov 28 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
UW Medicine Seattle Marathon & Half Marathon
Sun Nov 29 · 7:00 AM · Seattle · Seattle (city)
Half marathonMarathon
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