Race Discovery
Tri-Cities Marathon

2025 - Tri-Cities Marathon

Richland, Washington, United States View on map
Oct 26, 2025 (America/Los_Angeles local time)
Running

2025 distances

Running

Marathon

Oct 26, 2025 Marathon 8:00 AM
$100.00
Closed

Marathon Relay

Oct 26, 2025 Marathon 8:00 AM
$200.00
Closed

Half Marathon

Oct 26, 2025 Half-Marathon 9:00 AM
$85.00
Closed

Race-day weather

Conditions on October 26, 2025 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (recorded on race day) 7.3° / Maximum temperature (recorded on race day) 13.7°
Feels Like (°C)
Minimum feels like — heat index / wind chill (recorded on race day) 2.8° / Maximum feels like — heat index / wind chill (recorded on race day) 13.7°
Peak wind (km/h)
Strongest wind of the day (recorded on race day)
34.0
Precip (mm)
Precipitation over the day (recorded on race day)
0.6mm
Humidity
Mean relative humidity (recorded on race day)
61.0%
Sunrise
Sunrise at the start line on October 26, 2025 (PDT)
Sunset
Sunset at the start line on October 26, 2025 (PDT)
Daylight
Hours between sunrise and sunset on race day
10h 21m

The sun rises at 7:30 AM and sets at 5:51 PM local time (PDT) in Richland on October 26, 2025 — 10h 21m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 24 Richland events

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