The Yellowstone Half Marathon in Yellowstone National Park
The Yellowstone Half Marathon is as beautiful as it sounds. Traversing the Custer Gallatin National Forest and the Hebgen Lake Ranger District, the race’s 13 miles encompass some of the most spectacular (and rare) ecosystems in the American National Park System. “You are in the Greater Yellowstone Ecosystem– the most intact ecosystem in the lower 48 states. The Custer Gallatin National Forest is one of five national forests comprising this amazing place,” the coordinators write on the event website. “National Forests belong to us all…193 million acres of rivers, mountains, forests, trails, beautiful scenery and clean water. Have fun racing along the South Fork of the Madison River with moose, bald eagles, grizzly bears and trout!” (Even if you can’t run the race, here’s how you can help preserve public parks.)