Trail Running Calendar United States 2026-2027

An invitational 135 miles non stop ultramarathon from Death Valley's Badwater Basin to Whitney Portal with about 100 runners and a 45 hour time limit.

A single 200 mile loop around Summit County Colorado across high mountain trails and forest roads, with about 40,000 feet of elevation change, live GPS tracking, 12 aid stations and a small capped field of runners.

Third race of a three-event fundraising cross country series in Lagrange, IN, with three 4K races; awards given by average finishing time across the series.

A weekly cross country 5K series in Parsippany Central Park running April 28 to July 28 2026 with 13 races and separate adult and child 5K events.

A weekly trail race series at Catamount Outdoor Family Center in Williston offering 5 km and 2.5 km options for adults and youth, with rain or shine operation, a specific thunder policy, and bib pickup and safety check-in procedures.

A cross-country 5K at Vista View Park in Fort Lauderdale on July 28, with separate student (18 and under) and adult (19 and over) races and gender divisions; timed by Pure Gold Timing and held on rolling-hill park terrain.

Three Wednesday evening 5K trail runs at Bloomer Park in Rochester Hills, MI, with chip timing, light post-run refreshments on two dates, a series finisher medal, and a post-series cookout. Single race and full series entry options are avai..

A rolling two-loop 5 mile trail race at Spring Lake Park in Hastings with chip timing, a midcourse water stop, and post-race refreshments.

An eight week community trail series at Northshore Trail MADD Shelter in Flower Mound featuring weekly chip timed 5K and 10K events on singletrack laps, weekly age group awards, and a final series award.

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

Trail races at Brighton on July 29 and August 26 with short and long mountain courses starting at the Alpine Rose. Both routes use single track and service roads and finish near the base of the Great Western lift.

A *5K* trail race on White Cloud High School’s cross country course, routed through woods and fields with both flat and hilly sections. The event is held at the elementary school behind the high school in White Cloud, Michigan.

STRS #4 - Tom's Baby on July 29, 2026 takes place at Tom's Baby Trailhead in Breckenridge, CO, offering short and long course entries with adult, youth, and non-binary categories and published entry fees.

A mixed relay in Brookfield with four 3K legs per team and an optional 6K two person relay. Entry is $25 or $20 for USATF members and proceeds support the Brookfield Central Cross Country team.

A series of short group trail runs and hikes presented by MN Trail Run Collective and MN Brewery Running Series. Each meetup is followed by beers at a nearby taproom, with distances of 3 miles and 2.5 miles.

Midweek trail race series in Logan Utah across the Bear River Range offering short and long courses, capped fields, series passes and end of season awards.

A community fundraising 5K on Legacy Park's cross country trails with professional timing, post-run food and local beer and wine tasting for registrants 21 and over.

A three day 75 mile stage race around Lake Sunapee and a 50K on the SRKG Greenway featuring technical trails, significant elevation gain, and organized overnight camping.

Ultrarunning event on the George S. Mickelson Trail in Custer South Dakota, July 31 to August 1 2026, with multiple distances on crushed limestone.

An overnight team relay covering 200 miles and 36 legs from Fort Collins to Steamboat Springs, crossing two mountain passes. Multiple team categories are offered and teams choose between supplying volunteers or donating to Windsor Gives.