Trenton Summerfest Half Marathon, 8K, and 5K

Lace up your running shoes for the Trenton Summerfest Half Marathon, 8K, and 5K on June 27, 2026, in scenic Trenton, MI. This event, known for its lively atmosphere, offers a variety of distances to kick off your summer running season. Runners can anticipate typical race day conditions with highs around 83°F and lows near 63°F, alongside a 14% chance of precipitation, making for a classic Michigan summer race.

The courses are designed for both speed and enjoyment, winding through the picturesque Elizabeth Park and the vibrant streets of downtown Trenton, including views along Jefferson and the new riverwalk. The Half Marathon boasts a largely flat and fast route with a minimal 96 feet of elevation gain, promising a gorgeous, PR-friendly experience with an early start to help runners beat the heat. The 8K course introduces a bit more variety with rolling hills in Elizabeth Park before flattening out along Riverside Drive, offering stunning views of the Detroit River. The 5K, primarily within Elizabeth Park with a stretch on Riverside Drive, features rolling hills followed by a long flat section, known as a fun, fast, and beautiful course with a course record of 15:24.07. All courses are well-supported with aid stations (three for the 8K, two for the 5K) and are USATF certified.

Beyond the personal challenge, the Trenton Summerfest Half Marathon, 8K, and 5K is deeply intertwined with the Trenton Summer Festival, providing a festive atmosphere that enhances the race experience. This event is also a significant component of the Trivium Mega Medal Series, where your finisher medal contributes to a larger, connected design alongside five other races. With its unique blend of scenic routes, a supportive race environment, and a connection to Trenton's enduring running heritage, this race offers a memorable experience for all participants.