Chelanathon

Chelanathon Chelanathon | Sept 19, 2026
Race through scenic Lake Chelan in Manson, WA! A fun, community-powered race for all levels. Make it a Racecation!

Olympic & Sprint Triathlons, Relay, Aqua-Bike, 10K, Kids Splash & Dash and lots of family fun.

OK, technically 89.25%...To date we have over 450 racers registered to compete, and pretty much all of them are joining ...
09/07/2026

OK, technically 89.25%...

To date we have over 450 racers registered to compete, and pretty much all of them are joining us from out of town. We can't wait to welcome them all and show them what it is we love about our region!!

To our racers - thank you! If you've never been to Lake Chelan, prepare yourself to be blown away by its beauty and what we hope becomes a must-do race on your yearly calendar.

To our local businesses and sponsors - thank you! For helping to create memorable experiences for everyone with our incredible food, w**e, services, and hospitality.

To our volunteers - thank you for playing such a big role in bringing this event to life and for supporting athletes as they achieve their personal goals.

We can't wait to see everyone on September 19th!

ps: If you are visiting and need a place to stay, check out chelanathon.com for hotels/inns, some with room blocks and discounts still available.

Chelanathon 2026 | September 19th
Old Mill Park, Manson WA
Register and learn more at chelanathon.com

09/03/2026

Wow! We've heard from a bunch of Lake Chelan-area businesses who are looking to welcome the close to 1000 racers, family, friends, and volunteers to Chelanathon on September 19th. Thanks to title sponsor Mill Bay Marine we're making sponsorships free for all businesses looking for a boost after a very tough summer. Contact [email protected] or the Manson Chamber of Commerce for details on how your business can participate in this incredible event.

Have you been following what Seattle Storm guard Natisha Hiedeman is doing with Run Budz? If you've been bit by the runn...
09/02/2026

Have you been following what Seattle Storm guard Natisha Hiedeman is doing with Run Budz?

If you've been bit by the running bug because of Natisha and the community that she and so many others are building, maybe a road trip could be fun!

Here's a discount code for $15 off our 10K Run on Sept. 19th: RBDISC15

The 10K Run starts at 10am, so you can wake up in Seattle and be at the starting line in time for a great run with friends (old and new!). Or make it a racecation and enjoy everything Lake Chelan has to offer.

Register at Chelanathon.com.




All At Old Mill Park (200 Mill Road, Manson) Unless NotedFriday, September 18th4pm-6pm Check-in & Packet PickupSaturday,...
09/02/2026

All At Old Mill Park (200 Mill Road, Manson) Unless Noted

Friday, September 18th

4pm-6pm

Check-in & Packet Pickup

Saturday, September 19th

5:00am

Athlete/Volunteer/Spectator/ADD Parking at 12 Tribes Casino (455 Wapato Lake Rd, Manson) Opens

5:30am

Check-in, Packet Pickup, Body Marking Opens

5:45am

Transition Area Opens (Athletes Only)

7:45am

Pre-Race Announcements and National Anthem

8:00am

Swim Start for Olympic Triathlon, Olympic Relay, and Aqua-Bike

8:20am

Swim Start for Sprint Triathlon

10:00am

10K Run Starts

11:00am

Splash & Dash Starts

12:00pm

Awards Ceremony

08/22/2026

We've got some big news to - announce - this week. Can anyone guess what it might be?

Chelanthon September 19th
Register now at Chelanathon.com

Olympic | Sprint | Olympic Relay Tri
10K Run | Aqua-Bike | Kids Splash & Dash






08/19/2026

To our neighbors and boating folks visiting Manson on race day...

Notice: Old Mill Park Boat Launch Closure 9/19/26

Please be advised that the Old Mill Park boat launch will be closed on September 19th for Chelanathon.

We appreciate your understanding and encourage boaters to plan ahead and use an alternate launch during the closure.

Thank you for your cooperation, and good luck to everyone participating in Chelanathon!


With the folks from Raise the Bar at their Lake Meridian Tri today. What an incredible event! Congrats to all of the rac...
08/15/2026

With the folks from Raise the Bar at their Lake Meridian Tri today. What an incredible event! Congrats to all of the racers, especially those who stopped by our booth to let us know they'll see us September 19th at .






08/07/2026

Why not spend the whole weekend at Lake Chelan? Make it a racecation!

Manson and Chelan have some incredible accommodation options, including:

Apple Inn Motel
Mountain View Lodge
Wapato Point Resort
Riverwalk Inn Chelan

Race day is September 19th. Come early, stay late!

Register online and learn more about where to stay at Chelanathon.com






Triathlon or 10K Run? Which one are you choosing?Make today decision day! Register at chelanathon.com and take $10 off w...
08/02/2026

Triathlon or 10K Run? Which one are you choosing?

Make today decision day!

Register at chelanathon.com and take $10 off with code: DECISION

Chelanathon 2026 | September 19th
Lake Chelan/Manson, WA
Olympic and Sprint Triathlon | Olympic Relay
Aqua-Bike | Kid's Splash & Dash | 10K Run





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