The race starts and finishes at Phoenix Park and features views of the Chippewa River. In , RaceRaves announced the Eau Claire was the best marathon in Wisconsin based on feedback they received. The course has feet m of elevation gain, although it has only 2 feet 61 cm of net elevation gain.
Eau Claire had an eponymous marathon from to The second Eau Claire Marathon was run on May 8, Barney Klecker won the Eau Claire Marathon with a time of despite starting late. About runners were expected for the Eau Claire Marathon. The current iteration of the Eau Claire Marathon was started in Patrick Russel won the men's race in The second running of the race in featured minor changes and was still held at Carson Park.
Second, chip timing was introduced. Jessop Keene won the men's race with a time of , while Wendy Miller won the women's race with a time of The third running of the Eau Claire Marathon in drew runners in all three events including runners from 21 states running the full marathon.
The fourth running of the Eau Claire Marathon took place in About runners signed up for all three races including runners who signed up for the marathon. The fifth running of the Eau Claire Marathon took place in Toutant was on the verge of retiring and Uelmen's children were just short of being in kindergarten, so the timing worked out well for both of them. The sixth running of the Eau Claire Marathon took place in with several changes. Second, the starting time of the marathon, half-marathon, and two mile races were staggered to reduce congestion in Carson Park.
And third, race officials were able to get the city of Eau Claire to open bathrooms in Carson Park for the event. Fourth, a family zone was added with face-painting. And fifth, the race considered having to cap entrants to runners across all three events for the first time. Fifth, no music was played before the race to avoid noise-complaints from neighbors near the start of the race. Kristin Weinzierl won the women's race in with a time of , while Eric Glaubke won the men's race with a time of A number of minor course changes were made for the race to make the course more spectator-friendly.
