Tri-Cities Marathon banner

Tri-Cities Marathon 2026

Date
Sunday, October 25, 2026
Start time
8:00 AM start (Los Angeles)
Entry fee
From $25 · goes up to $100 on Oct 9, 2026
Included with entry
Includes a shirt
Register on RunSignup

Registration is open.

We earn a small commission when you register through this link, at no cost to you. Details

Add to calendar: Apple or Outlook · Google

Events and entry fees

EventDistanceWhenEntry feeCap
MarathonMarathonOct 25, 20268:00 AM$90$100 after Oct 9, 2026105
Marathon RelayRelayOct 25, 20268:00 AM$180$200 after Oct 9, 2026–
Half MarathonHalf MarathonOct 25, 20269:00 AM$75$85 after Oct 9, 2026150
5K5KOct 25, 20269:30 AM$25$30 after Oct 9, 2026200

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

Register on RunSignup

The Marathon fee goes up to $100 on Oct 9, 2026.

Race day planning

Entry fee schedule

  • Marathon: $90 until Oct 9, then $100 until Oct 25.
  • Marathon Relay: $180 until Oct 9, then $200 until Oct 26.
  • Half Marathon: $75 until Oct 9, then $85 until Oct 25.
  • 5K: $25 until Oct 9, then $30 until Oct 25.

Online registration closes Oct 26, 2026, unless the race fills first.

How the price compares

At $90, entry is about 16 percent below a typical marathon in Washington, which costs $107.50 right now.

What a typical finish looks like

A typical finisher at a marathon in Washington runs 4:18:59, about 9:53 a mile, based on 10 races with published results. Women typically finish in 4:36:04 and men in 4:07:43.

Light and altitude

Sunrise on race morning is at about 7:26 AM, and the Marathon starts at 8:00 AM. The start sits about 510 feet above sea level.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

Riverfront Hotel, Richland, WA 99352

The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.

Typical race-day weather

Around October 25 the day usually runs from 44°F at dawn to 61°F in the afternoon, with measurable rain on about 17% of days. Cold snaps dip to 34°F and hot years reach 72°F.

Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.

Race details

Where
Riverfront Hotel, Richland, WA 99352Map
Course
Road
Start elevation
About 510 feet
Included with entry
T-Shirt
Distances
5K, Half Marathon, Marathon, Relay
Editions
2026 (Oct 25, 2026), 2025 (Oct 26, 2025), 2024 (Oct 27, 2024)

Organize this race? Add details or a correction

Plan your race

Quick answers

When is Tri-Cities Marathon?
Sunday, October 25, 2026, starting at 8:00 AM.
How much does it cost?
Entry starts at $25 before processing fees, and rises to $100 on Oct 9, 2026.
When does registration close?
Online registration closes Oct 26, 2026, unless the race fills first.
Is the entry fee high for Washington?
At $90, entry is about 16 percent below a typical marathon in Washington, which costs $107.50 right now.
Do runners get a shirt or medal?
Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
What distances can I run?
5K, Half Marathon, Marathon, Relay.
Where does it start?
Riverfront Hotel, Richland, WA 99352.

From the organizers

Join us as we celebrate another exciting year of endurance, community, and achievement at the 43rd annual Tri-Cities Marathon! Runners of all levels are invited to take part in this long-standing tradition, bringing together athletes, families, and supporters from across the region for an unforgettable race day experience.

New for 2026

The marathon course is returning to the previous route that includes the iconic Blue Bridge. Certification is currently pending.

And that’s not all — we’re thrilled to introduce the Tri-Cities Spooktacular 5K. If you’ve always wanted to run in this celebrated race but weren’t quite ready for the longer course, now’s your moment! Costumes welcome

Remembering Richard "Keith" Fuller. 1957-2025

1980 Tri-Cities Marathon Champion