Trail Running calendar near Thorntown 2025-2026

We have found 28 Trailruns within 80 miles of Thorntown. See below where and when you can find the races.

Celebrate the new year with the First Day Trail Run and Walk at Monroe Lake, an untimed, non competitive trail event. Choose from three scenic distances, enjoy hot soup and a warming fire, and support Monroe Lake programs.

Run the Kennekuk Road Runners Siberian Express, a 7.45 mile winter trail through Kickapoo State Park with steep climbs, creek crossings and wildlife. First 150 finishers receive awards and post race festivities are at Vermilion Brewing.

Run under the stars at Eagle Creek Park in Indianapolis on January 10, 2026, tackling nearly all single track loops by headlamp. This sold out night trail features chip timing, small wave starts, and a finisher medal for those who finish.

Hit the trails at IW2R Winter Trail XC, a scenic 5K on the groomed cross country course at Northview Church in Carmel. Snow or sloppy conditions are possible, so bring proper footwear and help support course upkeep.

Run the FroMoMoFo on January 11, 2026 in Morgan Monroe State Forest, choosing a 10 mile fun run or the UTMB Index 20 mile on the scenic Three Lakes loop. Enjoy cozy on course aid stations with fireplaces and daylight only racing.

UTMB Index

Join the Bop to the Top Stair Climb in Indianapolis on Jan 17, 2026 to conquer 36 floors and support Riley Children's Foundation. Choose single, triple or team climbs and get a long sleeve shirt.

February 2026

Join the Indiana Trail Running Association for a relaxed winter trail run and social in Yellowwood State Forest near Nashville, IN. Choose a roughly 6.5 to 7 miles lakeshore loop or shorter options, then warm up by the fire with soup, sandw..

March 2026

Take on scenic trails at Mounds State Park on March 7, 2026 with 5K and 15K options as part of the DINO Trail Run Series. Enjoy river views, ceremonial mounds, on course aid stations and heated facilities for a comfortable race day.

Join the Holliday Park Trail Run, a two day spring celebration with family activities and a day of scenic trail races for all ages. Tackle rugged woodland trails, cheer kids in fun runs, and support local park programs.

OPSF 50|50 is a trail running weekend in Owen Putnam State Forest near Poland, offering 50M, 50K, 14 mile and 10K on a rolling, technical 14 mile loop. This cupless event requires runners to carry 20 oz of water and awards finisher medals.

April 2026

Hit the Pate Hollow trails at Paynetown State Recreation Area on April 4, 2026 for a scenic, hilly trail run offering a 15K single lap and a shorter 5K. Challenging terrain and forest views make this a perfect early season test.

Run the DoNot Stop Half Marathon in Indianapolis on April 26, 2026, featuring a half marathon, 10K, 5K, 1 mile and Kids Dash plus a virtual option. Chip timing, custom finisher medal, designer shirt and finish line donuts make it a fun, fam..

May 2026

Run rugged Brown County trails at Dances with Dirt Gnaw Bone on May 16, 2026, featuring steep ridges, technical singletrack and big elevation changes. Distances 5K to 50M plus relay, finisher medal, awards and post race barbecue.

Run the Hometown Half Marathon & 5k/10k in Indianapolis on May 16, 2026. With options from a Kid's Dash and 1 Mile to 5k, 10k and a half marathon plus a virtual run, enjoy a designer shirt, medal, chip timing and finish line snacks.

Test your grit at the Peace Officer Memorial Endurance Ruck, choosing a 4 hour endurance or 5 km trail ruck on a mostly unpaved one mile loop. Bring your own rucksack loaded to 10 percent of body weight and enjoy a supportive, family friend..

Hit the trails at Brown County State Park for the DINO Trail Run, with 5K and 15K routes over scenic, hilly mountain bike trails. Expect tough climbs, a fast downhill finish, and a free kids race for the whole family.

June 2026

MoMoFo offers a rugged trail 100 km through Morgan Monroe State Forest with big climbs, old growth trees, lakes and rock features, plus a scenic 20 mile loop. Both UTMB index races welcome virtual entries and include event swag.

UTMB Index

Join the 28th annual Lake Mingo Trail Run on June 13, 2026 at Kennekuk Cove County Park, a scenic 7.1 mile loop mostly on natural trails with rolling hills and nine bridges. Celebrate afterward with food, beer, and great trail camaraderie.

Treat Trot Indianapolis on June 14 welcomes everyone with distances from a 1 mile and kids dash to 5K, 10K and a half marathon plus virtual options. Finishers get a shirt and custom medal and many races are chip timed.

July 2026

Beat the heat on July 5, 2026 in Indianapolis with the Heatwave Half Marathon offering distances for all levels from a kids dash to a half marathon and relay. Enjoy chip timing, a designer shirt, custom medal and Kona Ice at the finish.