Trail Running Calendar United States 2025-2026

Miola Madness - Fall Edition, the third event in the Miola Madness Series, takes place in Paola, Kansas, near Miola Lake. The course is a roughly six-mile crushed limestone loop around the lake, with formats including 12-hour, 9-hour, 6-hour, 3-hour, and a new 10K distance. New 10K distance records..

The Rancho Hills Trail Run - Fall is a challenging trail running event held at the Rancho Cañada del Oro Open Space Preserve in Morgan Hill, California. The race offers a variety of distances ranging from 5K to 50K, including 8-mile, 10-mile, half marathon, 30K, and trail marathon options. The cours..

Humane Hustle is a charity running event held in Belmont, Michigan, at the Canonsburg Ski Area (6800 Cannonsburg Rd NE, Belmont, MI 49306). Held on Saturday, November 8, 2025, in its 3rd year, the event features a 5K trail run and a 1-mile run/walk, plus a Cat Napper option, to benefit the Humane So..

The Joint Special Operations (JSO) 10K Run and 5K Walk is a unique trail race held at Historic Fort Bragg, North Carolina. The all off-road course features challenging terrain including dirt, mud, gravel, and sand along tank trails and fire breaks. Open to all ages and abilities, the event attracts..

Punisher Night Trail, held at Usery Mountain Regional Park in Mesa, AZ, offers 30K, 20K, 10K, and 5K distances on a 9-kilometer desert loop (Noso, Blevins, Moon Rock, Levee, Spillway, Cat Peaks). Runners complete multiple laps, with the start/finish at the Trailhead Staging Area. The night-course fe..

Located on Lookout Mountain in Lookout Mountain, GA, the Lula Lake Trail Blazer offers 10K, Half Marathon, and 50K races, plus a new 12-under Kids Race. The course weaves Lula Lake Land Trust trails—Moonshine, Cloudland Connector, and Durham Mine—through the Core Preserve, with scenic waterfalls and..

Rosaryville Veterans Day Trail Race, held in Rosaryville State Park in Upper Marlboro, Maryland, offers 50K and 20K trail distances on wooded perimeter single-track trails. The course features rolling hills with about 2,600 feet of elevation gain, mostly through deep woods and meadows, with scenic v..

Pomeroy SoleKids Fall Frenzy 5k is held in Pomeroy, Washington. The 5K starts and finishes at the Pomeroy Community Garden (intersection of 3rd Street and Pataha Street). The race features a flat, fast loop that winds through town amid fall colors and cooler temperatures, making it accessible for fi..

The Hoffmaster Turkey Trail 5K Run is an annual trail running event held in Muskegon, Michigan, hosted by the Gillette Nature Association. The 5K race starts at Hoffmaster State Park's beach parking lot and finishes at the Gillette Visitor Center, offering participants a scenic course through natura..

The Route 66 UltraRun is a 140-mile ultramarathon held annually in Seligman, Arizona, celebrating the historic Mother Road. The event offers a welcoming atmosphere with no qualification requirements, encouraging runners, crews, volunteers, and spectators to join the first mile together. Participants..

Snake Eater 100K is an ultramarathon near the Grand Canyon in Tusayan, Arizona, offering 100K and 50K distances. Presented by Bear Jaw Events, the course starts downtown at Grand Canyon National Park, with an IMAX theater staging point, then runs along jeep roads through forested terrain, connects t..

Mermaid Trail Run - Woodside takes place at Huddart Park in Woodside, CA. The event offers multiple distances: 3, 6, and 9 miles, a Half Marathon, a 6 Hour Challenge for individuals or two-person relays, a Virtual Run, and a Mermaid Dash for kids ages 6-12 (1 mile). The course winds through towering..

The Heritage Challenge is a timed endurance event held at Heritage Park in Adrian, Michigan. Participants choose between a 3-hour or 6-hour race and complete as many loops as possible on a looped course of roughly 1 mile to 5K, through a mix of park trails, grass, and paved paths with little elevati..

Mountaineer Rumble at Kings Mountain State Park, Clover, SC, offers four distances: 10 Mile, 50K, 100K, and 100 Miler. The course is a loop on the CCC Multi-Use Trail with about 650 feet of elevation gain per loop. Distances are built from loops: 50K three loops plus a half-mile out-and-back; 100K s..

Trail Roots presents the Salmagundi Trail Race in Dripping Springs, Texas, along the Pedernales River in the Hill Country. The event offers multiple distances: 5K, 10K, half marathon (13.1 miles), marathon (26.2 miles), 52K, plus 10K and half marathon Rucks. The course features rolling hills on grav..

Red, White, & Blue (Irving, TX) is a Run Different race held at Sam Houston Trail Park in Irving. It features three distances—the 5K, 10K, and Half-Marathon—plus a Kid’s Dash for young runners. Registration includes an event-themed T-shirt and a finisher medal (finisher medals apply to 5K/10K/Half)...

Kessel Run Ultra takes place in Fruita, Colorado, just a short drive from the Front Range. The event offers five distance options: 50 Miler, 40 Miler, 50k, 20 Miler, and 10 Miler. It’s promoted as a Racecation Adventure and is renowned for world-class single-track in Fruita, with trails that reward..

The Goose Creek Trail Run & Hike takes place in Washington, North Carolina, at a scenic state park featuring beginner-friendly trails with boardwalks and Spanish Moss. The event offers multiple distances: a 10K hike, 10K trail race, half marathon trail race, and a 50K trail race. The courses are mos..

Bingo! Trail Party, hosted by the Human Potential Running Series, takes place at May Farms in Byers, Colorado. It features five levels: Level 1 (6–10 miles), Level 2 (8–20 miles), Level 3 (10–42 miles), Level 4 (10–54 miles), and Level 5 (18–54 miles), with a 9 PM time limit and a 300-runner cap. Th..

The HRCA Backcountry Wilderness Half Marathon is an annual 13.1-mile trail race held in Highlands Ranch, Colorado, featuring a scenic single-loop course through the Douglas County East/West trail and the Backcountry Wilderness Area. The race offers a challenging route on dirt, gravel, and singletrac..