Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4007 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A day of races at Brazos River Park in Sugar Land with distances from a kid’s 50 m dash to a 13.1 mile half marathon, in-person chip-timed races, designer shirts and medals, plus a virtual option with mailed packets.

Final race of the 2026 Black Hills Runners Club Trail Series at Alkali Trailhead in Sturgis, SD, with 10K and 18K courses through rolling hills and pine singletrack; youth entries are listed as free.

A multi-distance event on the flat Betsie Valley Trail in Thompsonville, MI featuring a half marathon, 10K, 5K and a 1 Mile Fun Run fundraiser on September 26, 2026.

Little Heroes Park in Walnut Shade, MO holds a running event on September 26, 2026 offering a 2K fun run and a hilly 5K; registration runs May 18 to September 26 and the entry fee is $35.

A family-friendly color run in Freeburg, IL combining vibrant color stations with a wooded memorial route and a focus on preventing distracted driving.

Trail based 5K obstacle race at Wasserman Park on September 26, 2026 featuring 12 or more beginner and intermediate obstacles and limited to 200 participants.

An obstacle mud run at Camp Sacajawea on September 26 with one mile and three mile courses, waiver required, proceeds benefit Girl Scouts of Greater Iowa.

A 3 miles obstacle course at Camp Winona in De Leon Springs with over 17 obstacles, race T-shirt, finisher's medal and a pancake breakfast; two pricing periods apply.

Trail races in Klamath Falls offering 30K, half marathon and 5K on mostly single track with lake and Mt. Shasta views; organized by a local non profit.

A trail event at Vandenberg Space Force Base on September 26, 2026 offering 10 km and 20 km distances. Non-base participants must show a REAL ID for base entry and all finishers receive a medal and a drink ticket.

A trail run and walk at Terry Bison Ranch in Cheyenne on September 26, 2026, offering distances from a half marathon to a kids run. Proceeds support cardiac and pulmonary rehab equipment and participants receive a 2026 event T shirt and bre..

A five-race cross country series in Portland parks with separate men’s and women’s races, options for non-binary entrants, race distances of 5K 6K and 8K, and both series and individual registration fees.

The Hustle Up the Hill will take place in Warrenville on Saturday 26 September 2026. You can run 30 texts.unit_min.

Trail races at Caesar Creek State Park on September 26, 2026, including a half marathon, 10K, 5K, 20K relay, and a 6-hours event. Entries include a custom bib, fueling supplies, a medal, and timed results.

Backyard Nonsense is a timed trail event at Richard Bong State Recreation Area in Brighton WI offering 3 hour, 6 hour, 12 hour and 24 hour formats. The 24 hour options include a backyard loop format and a continuous 24 hour option; a 2026 p..

A community run at Long Leaf Park offering a timed 5K and a non-timed 1.5 mile fun run, with in-person and virtual options supporting ovarian cancer awareness and research funding.

Teams of two alternate loops on a mostly trail three mile course at Pike County Stadium in Zebulon, GA. The relay offers six and twelve hour options and raises funds for local food programs.

A *3 mile* Reunion Run at Hereford High School as part of the Bull Run Cross Country invitational. The race is open to all ages and carries a $10 registration fee, with registration listed from August 24 to September 26.

Sundown Rundown Fifth Street Cross Edition is a lap based elimination race in Emmaus, PA on 09/26/2026. Runners repeat roughly 1.6 mile laps with tightening time cuts and self score on a public scoreboard.

A four-mile cross-country style trail race around Beaver Lake at Pocahontas State Park on September 26, 2026, featuring fire roads, single-track with short technical sections, cupless hydration, and a $25 registration fee.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.