- Weather
- 56°Ftypical start
- Field size
- ~600 runners
- Course
- Flat
- Elevation
- 200 ft gain · 0 ft net
Event listed as: Marathon
PR9.0Weather8.6Experience6.2
All marathons
Mid-October · West Coast · Out-and-Back
2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K
Snohomish, WA
Event: The Snohomish River Run Marathon
- Best for PR
- Boston Qualifier
Registration opens on the organizer's site
- Typical start temp
- 38°F(estimated)
- Field size
- ~500 runners(estimated)
- Course
- Flat
- Elevation
- 100 ft gain · 0 ft net(estimated)
Why runners choose this race
A out-and-back course around Snohomish, WA, with very little meaningful elevation change.
Good fit if
- · PR attempts
- · Boston qualification
- · Runners who want a low-key start
Think twice if
- · You want crowds and on-course energy
Course and logistics
- Course type
- Out-and-Back
- Surface
- Road
- Total gain
- 100 ft(estimated)
- Total loss
- 100 ft(estimated)
- Net elevation
- 0 ft(estimated)
- Field size
- ~500 runners(estimated)
- Crowd support
- Quiet, low-key
- Entry
- Easy
- Entry fee
- $95(most recent listed price)
- Day of week
- Sunday
- Start / finish
- Start and finish in the same area
Race details
- Typical timing
- Mid-October
- Next confirmed date
- Sunday, October 11, 2026
- Registration
- Open now
- Region
- West Coast
- Editorial tier
- Recommended
- Prestige
- 5.0/10(estimated)
- Data last reviewed
- 2026-08-26
Event: The Snohomish River Run Marathon
Good to know
- Best for PR
- Boston Qualifier
- Out-and-back
- Flat course
- Easy entry
Race-day weather
Modelled from location, month and coastal proximity — not verified race history.
ExcellentGoodWarmHeat risk
Typical start sits at 38°F — good conditions.
Similar races
- Weather
- 41°Ftypical start
- Field size
- ~500 runners
- Course
- Flat
- Elevation
- 200 ft gain
Willamette Valley farmland and Oregon State campus
PR9.0Weather8.7Experience6.9
- Weather
- 50°Ftypical start
- Field size
- ~500 runners
- Course
- Flat
- Elevation
- 120 ft gain · 0 ft net
Event listed as: Marathon
PR9.1Weather9.1Experience6.1