Blue Heron Hundreds

Mooresville, United States • 11-12 Apr 2026

The Blue Heron Hundreds is a premier ultramarathon event held in Mooresville, Alabama, at the scenic Wheeler National Wildlife Refuge. Scheduled for April 11-12, 2026, it features 100-mile, 100K, and 50K races on a new course of soft crushed gravel and dirt roads. The route includes a 15.5-mile loop showcasing prime birding and wildflower areas, with the 100-mile race covering six loops and the 50K two loops. Runners can expect well-stocked aid stations and limited crewing access at the start/finish area. The event supports conservation efforts through donations to the Wheeler Wildlife Refuge Association and offers awards including medals and a custom belt buckle for 100-mile finishers. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
100 km
100k
50 km
50k
Visit the organization's website for the most recent information.
Trail runs nearby

The Chupacabra Trail Race, held on August 16, 2025, in Monte Sano State Park, Huntsville, Alabama, is the fourth event in the Wild Thangs Trail Series. It offers two distances: a 10K and a half marathon, catering to both new and experienced trail runners. The course features scenic mountain views, c..

The Go for the Gold Run Fest, held in McMullen Cove, Alabama, is a two-day running event featuring distances from a Kids 1 Mile Fun Run to challenging 25K and 50K trail races. The trail runs offer rugged single-track courses with significant elevation gains—over 2,500 feet for the 25K and 5,000 feet..

The Devils Race Track Backyard Ultra is an endurance running event held at the North Alabama Land Trust’s Wade Mountain Preserve in Huntsville, AL. The race features a 4.167-mile loop combining runnable single-track trails and a short road section to start, with runners completing one loop every hou..

The Wade Mountain Marathon, held in Huntsville, Alabama, is North Alabama's only trail marathon, featuring marathon, half marathon, and 10K distances. Set amid scenic, low-traffic trails, the race takes place in late October, showcasing vibrant fall foliage and comfortable temperatures averaging bet..

The Oak Park Challenge is a 7-mile trail running event held in Huntsville, Alabama, featuring a challenging course that ascends and descends Monte Sano Mountain. The race follows a lollipop route starting from the Oak Park Trailhead, with approximately 1,000 feet of elevation gain. About 95% of the..

The Dizzy Fifties is an annual 50K trail running event held at Monte Sano State Park in Huntsville, Alabama. The 2025 race marks its 21st edition and features a challenging course of three loops starting and finishing at the biker pavilion. Runners face approximately 3,000 feet of elevation gain on..