2026 TUKWILA TO ALKI HALF and FULL MARATHON
Schedule
Sat Jan 31 2026 at 06:00 am to 02:00 pm
UTC-08:00Location
13400 Interurban Avenue South, Tukwila, WA 98168 | Kent, WA
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2026 TUKWILA TO ALKI HALF and FULL MARATHONSaturday, January 31, 2026
Every year come rain or shine (usually rain!) on the last Saturday in January, we hold another fundraiser event. All donations benefit Northwest Harvest or other local food banks. In previous years this event has been a point-to-point half marathon from Tukwila to Alki Beach. This year we have shortened the course to a 3.3 mile out-and-back segment that can be repeated until achieving the desired distance. The entire course will be clearly marked on paved trail without crossing any car traffic.
EVENT MAIN WEBPAGE
http://greenrivermarathon.com/results/2026_Tukwila_To_Alki.html
TWO EVENTS 1 WEEK APART
The Tukwila to Alki event is the first of two events held 1 week apart. The second event is the Green River Half and Double Half on Saturday, February 7th. See:
https://www.facebook.com/groups/GreenRiverMarathonSeries/events/
SCHEDULE
Upon arrival at the Tukwila Park n Ride parking lot, please check in with the race director, Steve Barrick; or a volunteer and make your $20 donation. Steve will arrive in time to check-in people and start runners at the 6AM start time. If you have a timing device, you can start before the race director arrives at 6:00 AM and when you finish, you can make your donation while self-reporting your finish time. If you start before sunrise, please remember to bring a headlamp or flashlight so you can see the course markings. Runners are not limited to the following start times if they have a timing device or app and want to self-report their finish times.
->6 AM – Super Early Marathon Mass Start
->7 AM – Early Marathon Mass Start
->8 AM – Mass start for Full Marathon runners and Half Marathon runners who need more than 3 hours
->9 AM – Mass start for Half Marathon runners who need less than 3 hours
->2 PM – Course closes at the start/finish line.
When you finish, please confirm your finish time with one of the volunteers carrying a clipboard or with the race director. If you arrive at the finish after everyone is gone, please email your finish time to:
[email protected]
REGISTRATION
To register, runners need to email the race director Steve Barrick at [email protected] and supply the following information:
- First and last name
- City, State
- Date of Birth
- Age on Jan 31, 2026
- Gender
- Are you doing a full or half marathon?
- Best finish time
- Predicted finish time
THERE IS NO REGISTRATION FEE !!!
Our event is a donation-based race benefiting Northwest Harvest. Your donations will be matched and matched again so that a donation of $20.00 will become $80.00. Also, if racers care to donate more than $20.00, it will be sincerely welcomed.
ZELLE
Racers have the option of pre-paying a $20 donation via ZELLE (https://www.zellepay.com/) to Steve Barrick at [email protected].
If you wish to run our race as a virtual race, please donate via ZELLE and forward a screenshot of your GPS app finish time and distance with your registration email to the race director. Virtual racers can complete their race distance on any date before the official race date.
START/FINNISH LINE ADDRESS: 13405 Interurban Ave S, Tukwila, WA
MAP to the start line: https://tinyurl.com/TtoA-Start
The start line is on the Green River Trial at the above address. Please check in with the race director before you start. The start/finish line will be a spray-painted orange line marked on the trail. The check-in area will be in the Park & Ride parking lot across the street from the start line. Please park across the street in the Park & Ride parking lot.
TRAVEL DIRECTIONS FOR SOUTHBOUND I-5
1 – Take Exit 156 onto Interurban Ave S
2 – Turn left at the end of the off ramp and go underneath I-5.
3 – Make an immediate right into the Park ‘n Ride parking lot.
4 – Check-in is at the end of the parking lot closest to I-5.
TRAVEL DIRECTIONS FOR NORTHBOUND I-5
1 – Take Exit 156 onto Hwy 599 N.
2 – Take the first available exit onto Interurban Ave S.
3 – At the bottom of the off ramp, turn right onto Interurban Ave S.
4 – Go underneath the I-5 overpass.
5 – Make an immediate right into the Park ‘n Ride parking lot.
6 – Check-in is at the end of the parking lot closest to I-5.
COURSE DESCRIPTIONS
The course will be well marked with spray painted orange arrows on the pavement. As long as participants pay attention to the course markings, it is almost impossible for them to go off course.
Out-and-back course map:
https://www.mapmyrun.com/routes/view/6661060884/
Start: 13405 Interurban Ave S, Tukwila.
This out and back course repeated twice equals a half marathon. ...And repeated four times equals a full marathon. The 3.3 mile turnaround will be clearly marked with an orange cone and sign. There are no road crossings. A porta-potty and hydration station will be at mile 3 at Cecil Moses Memorial Park.
PARKING and TRANSPORTATION
There is plenty of free parking in the Park N Ride lot across the street from the start line. (Please do not park in the business parking lot nearest the start line.) Feel free to use the event’s discussion area to arrange ride-share and carpooling. The start line is a short distance from the north and south bound 150 Bus Stops.
COURSE SUPPORT
There are no porta-potties at the start line. Please take care of your restroom needs before arriving at the start line. There are restrooms about 3 blocks north of the start line at Starbucks, Jack in the Box, and 2 different gas stations. A hydration station will be at the start line. Another hydration station and porta-potty will be near the turnaround.
Please bring your own water bottles or hydration backpacks. Participants taking longer than 4 hours should carry their own hydration supplies because the hydration station near the turnaround will close around noon.
CONFIRMATION LIST
Please allow the race director a few days to add your name to the confirmation list which can be found here:
https://greenrivermarathon.com/results/entriesall.html
DOGS, BABY JOGGERS, WALKERS and EARPHONES
Green River Series races are friendly to all levels of participants including walkers. We have no special restrictions. Dogs are allowed if they are well behaved.
QUESTIONS?????
If you have any questions, feel free to ask (or answer) questions in our Facebook group discussion section.
RACE DIRECTOR
Steve Barrick
[email protected]
GREEN RIVER MARATHON SERIES RACE CALENDAR
http://greenrivermarathon.com/RACES.html
Event post last updated on 12/18/2025.
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Where is it happening?
13400 Interurban Avenue South, Tukwila, WA 98168, Kent, United StatesEvent Location & Nearby Stays:
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