Trinity Health Seaway Run
About this race
Get ready to run (or walk!) the beautiful shores of Muskegon at the 2026 Trinity Health Seaway Run! Mark your calendars for Saturday, June 27, 2026, and join us for a Half Marathon, 10K, 5K, or a Community Walk. Whether you’re racing for a personal best or strolling with friends, there’s something for everyone.
Registration opens November 28, 2025 for all events. Trinity Health employees should register through our main site using the special discount code in the weekly colleague newsletter— no separate registration needed this year!
All race registrations include a race shirt, medal, post-race treat ticket, and snacks at the finish line.
Please remember, registrations are final, and we won’t be able to offer refunds or transfers. Visit seawayrun.com for all the details.
Join fellow runners on June 27, 2015 for the Trinity Health Seaway Run. It's a fantastic Half-Marathon, 15K, 5K featuring a flat and fast course in Muskegon.
Pick your distance
Running
Lake Michigan Half Marathon
With the success of the inaugural 2013 Half Marathon as one of the Mercy Health Seaway Run races, we introduced the Lake Michigan Half Marathon in 2014. New name, same beautiful and challenging course. For 2015 experience start to finish chip timing with an official split time mat and electronic clock at the half way point. Your registration fee includes a unique Lake Michigan Half Marathon designed tech shirt (now available in women's sizes) and glitzy finisher medal(view at www.seaway run.com 3/1/15) await you at the FINISH LINE.
Seaway Run 15K
A unique distance with breathtaking views, the 2015 Mercy Health Seaway Run 15k experience includes start to finish chip timing with official time clocks at the 5k and 10K marks. Your registration fee includes a 2015 Seaway Run design cotton t-shirt and you can also purchase an Electric Blue tech shirt (now available in women's sizes).
Seaway Run 5K
The most popular Mercy Health Seaway Run distance offers a new neighborhood experience route for 2015. Your registration fee includes a 2015 Seaway Run design cotton t-shirt and you can also purchase an Electric Blue tech shirt (now available in women's sizes).
Seaway Run 5K Community Fun Walk
Walk with family and friends through the tree lined streets of the Nims Neighborhood. The walk route will finish at the Muskegon Family YMCA. Your finish time will be displayed on your way to enjoying a great variety of healthy refreshments. Your registration fee includes a 2015 Seaway Run design cotton t-shirt and you can also purchase an Electric Blue tech shirt (now available in women's sizes).
Weather Overview
These values reflect historical conditions on the race dates in Muskegon in 2015, from Open-Meteo archive data.
About Muskegon
Trinity Health Seaway Run takes place in Muskegon, Michigan, United States. The local timezone is America/Detroit.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.