Leave The City Behind when you register for the 23rd Annual Helvetia Half Marathon, 5K & 10K JUNE 3RD, 2023. This iconic event features an amazing jaunt through the countryside of scenic Washington county, plenty of sweeping views, a tavern, a church, some challenging hills, Century Farms, and an all-world stadium finish. With three distances, the entire family will enjoy the #1 Half Marathon/5K/10K in the Northwest. Helvetia is also the perfect benchmark for your fall marathon. Whether you are racing for a new PR or you just want a great event, join us for the 23rd Annual Helvetia Half Marathon.