The 2023 event has concluded.

Tri-Cities Marathon

Richland, WA, USA • October 29, 2023
TopDescriptionCourseCommunity
Register

Subscribe

Get updates on the Tri-Cities Marathon race forecast and be the first to know if the forecast shifts.

Text Updates

Maximum one update per day. Standard messaging rates apply. Currently only supports USA, UK, and Canada.

Phone Number

Email Updates

By submitting your email you agree to receive weather forecasts and racecast.io updates.

clear-day Clear conditions throughout the day.

Our favorite marathon tested handheld water bottle. Nathan SpeedDraw Plus Insulated Flask.When you buy through our links, we may earn a commission.

Area Map

Course Maps

FAQ

Ask a Question about the Tri-Cities Marathon

Racecast Concierge (free during beta)

Ask a question about the Tri-Cities Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Tri-Cities Marathon and general racecast.io updates.

When is the 2023 Tri-Cities Marathon?

The 2023 Tri-Cities Marathon will be held on Sunday October 29, 2023.

Community

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Every Monday we break down the top results in the marathon from over the weekend.

18d
bvd's Avatar
bvd
News

Historical Weather

RunScore
Run Score: 8
Temp
46°F
Min/Max
24°/46°F
Dew
29°F
Days of Rain
0/1
Wind
1mph
Tap a row for details.
YearLow / HighRain

Tri-Cities Marathon 2023 Weather History

Clear conditions throughout the day.

2023
clear-day
24°/ 46°-
Run Score: 7
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR