Tri-Cities Marathon
External Event
Distance
13.1–26.2 mi
Pace
All paces (for Half Marathon), Intermediate to Advanced (for Marathon)
Terrain
Road
Difficulty
Intermediate (Half Marathon), Challenging (Marathon)
About this run
The Tri-Cities Marathon returns to Richland, Washington on October 25, 2026. This event offers participants the choice between a half marathon (21.1 km) and a full marathon (42.2 km), catering to a range of running ambitions. Runners will experience the unique landscape of Richland, a city known for its planned community design and proximity to the Columbia River. The course is set to showcase the local environment, providing a scenic backdrop for the race. This event is an excellent opportunity for runners looking to test their endurance in the Pacific Northwest. Whether you are aiming for a personal best or seeking a challenging race experience, the Tri-Cities Marathon provides a well-organized event in a distinctive setting.
Who it's for
This event is suitable for intermediate to advanced runners due to the half marathon and full marathon distances. It requires a solid base of training and endurance.
What to expect
- Arrive at least 60-90 minutes before the start time to allow for parking, packet pickup if applicable, and warm-up.
- The course is primarily on roads, offering a consistent running surface.
- Pacing is crucial for both the half and full marathon distances; plan your strategy beforehand.
- Be prepared for variable October weather in Washington; check the forecast closer to the date and dress accordingly.
- Hydration and nutrition are key for longer distances; carry or plan for aid station support.
Good to know
- Packet pickup details will be available on the official registration page.
- The event takes place in Richland, WA, United States.
- Runners should consult the official registration page for any specific course maps or elevation details.
Typical conditions
For events around October 2026 in Richland, WA, United States: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Marathon training typically spans 12–16 weeks with a progressive long run and recovery weeks. Do not invent a course strategy here — check the official site for start waves, cutoffs, and gear rules.
Best marathons to run in 2026Getting there
This event is listed in Richland, WA, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Frequently asked questions
What distances are offered at the Tri-Cities Marathon?+
The event features a half marathon (21.1 km) and a full marathon (42.2 km).
When is the Tri-Cities Marathon?+
The race is scheduled for October 25, 2026.
Where does the Tri-Cities Marathon take place?+
The marathon is held in Richland, WA, United States.
How do I register for the Tri-Cities Marathon?+
Registration details can be found on the official registration page: https://3rrr.org/calendar/tri-cities-marathon-and-marathon-relay/
What is the terrain like?+
The course is primarily on roads.
What kind of weather can I expect in October in Richland?+
October weather in Washington can be variable. Runners should check the forecast closer to the event date and prepare for potentially cool or damp conditions.
Where can I find more information about the race?+
For detailed information including course specifics, packet pickup, and any other race day details, please visit the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in Richland
