Trail Runs in Illinois — 2026

There are 25 trail runs in Illinois scheduled for 2026. The next is the Muddy Shamrock @ The Forge in Lemont on March 14. Illinois trail runs run primarily March through December.

Muddy Shamrock @ The Forge

Sat, Mar 14 · Lemont, IL Lemont

Trail Quarter MarathonTrail Half Marathon

From $45 Open Closing Soon

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Fox Valley Winter Challenge Trail Series 10K

Sun, Mar 22 · St. Charles, IL St. Charles

Fox Valley Winter Challenge Trail Series 10k

From $45 Open Closing Soon

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Abe Lincoln Trail Trek - 5K / 10K

Sat, Apr 4 · Sherman, IL Sherman

5K10K

From $25 Open

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Allerton Races

Sat, Apr 11 · Monticello, IL Monticello

VIRTUAL 5KTrail-Glo 5KVIRTUAL 10K +3

From $25 Open

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Ondessonk Trail Races

Sat, Apr 11 · Ozark, IL Ozark

One-Mile Fun Run5k RunManchester 10k +1

From $20 Open Closing Soon

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The Universal Sole Spring Trail Challenge

Sat, May 2 · Willow Springs, IL Willow Springs

Universal Sole Spring Trail Challenge - 3.1 Mile Trail Run LoopUniversal Sole Spring Trail Challenge - 5.4 Mile Trail Run Loop

From $40 Open

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OUTLAST CHICAGO

Sat, May 2 · Palatine, IL Palatine

6 Hour Challenge - Sunday6 Hour Challenge - Saturday

From $90 Open

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Spring Stampede 5K/10K

Sun, May 3 · Hanna City, IL Hanna City

IVS Spring Stampede 5k RaceIVS Spring Stampede 10k Race

From $35 Open

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F^3 Cap Sauers Trail Marathon & 10 Mile

Sat, May 9 · Palos Hills, IL Palos Hills

10 MileTrail Marathon

From $60 Open

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Red Cedar Trail Races at Giant City State Park

Sat, May 30 · Makanda, IL Makanda

Taste of Red Cedar 5kRed Cedar Trail 1/2 MarathonRed Cedar Trail 40k

From $15 Open

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Central Illinois Summer Trail Series #1

Fri, Jun 12 · Peoria, IL Peoria

Kinsey Park 4 mileKinsey Park 4 mile Bundle

From $25 Open

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Fox Valley Summer XC Classic 5K

Sat, Jun 13 · Geneva, IL Geneva

Fox Valley Summer XC Classic 5K

From $30 Open

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The Universal Sole Summer Trail Challenge

Sat, Jun 27 · Willow Springs, IL Willow Springs

Universal Sole Summer Trail Challenge - 3 Mile Trail RunUniversal Sole Summer Trail Challenge - 6 Mile Trail RunUniversal Sole Summer Trail Challenge - 9 Mile Trail Run

From $40 Open

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Central Illinois Summer Trail Series #2

Fri, Jul 10 · Metamora, IL Metamora

Black Partridge 5 mile BundleBlack Partridge 5 mile

From $25 Open

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Central Illinois Summer Trail Series #3

Fri, Aug 7 · Washington, IL Washington

Farmdale 5 mile BundleFarmdale 5 mile

From $25 Open

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To the Max Obstacle Challenge

Sun, Aug 9 · Normal, IL Normal

12:00PM: 13-14 year olds (COMPETITIVE)12:15PM: 11-12 year olds (COMPETITIVE)12:30PM: 9-10 year olds (COMPETITIVE) +8

From $25 Closed 20 spots left

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Highlander Assault Obstacle Race

Sat, Aug 15 · Pingree Grove, IL Pingree Grove

Family Frenzy 3k (2:00)5k Open Heat (10:30)5k Open Heat (8:45) +36

From $40 Open 50 spots left

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Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run

Sat, Aug 22 · Hudson, IL Hudson

Come as you are 1 hour trail runBreakfast Club 3 hour trail runSummer Siesta 6 hour trail run +3

From $15 Open

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Big Horse Vineyards 5K

Sun, Aug 30 · Lewistown, IL Lewistown

Beer Mile (Team Relay)Beer Mile (Individual)5K - Fun Run (Individuals and Teams) +2

From $20 Open

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Tiger 10 Miler - 9th Annual Trail Race

Sat, Sep 19 · Byron, IL Byron

Tiger 10 Miler- 9th Annual Trail Race

From $60 Open

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Autumn Leaf Run

Sat, Oct 3 · Freeport, IL Freeport

Autumn Leaf Run

From $25 Closed

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Haunted Highlander Assault Trail Run

Fri, Oct 23 · Pingree Grove, IL Pingree Grove

5k Heat (9:30)5k Heat (8:30)5k Heat (8:45) +14

From $50 Open 50 spots left

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Allerton Park Trail Run

Sun, Oct 25 · Monticello, IL Monticello

2 Mile Nature Walk5.7 Mile Trail RunVIRTUAL 5.7 Mile Trail Run

From $30 Closed

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The Forge Trail Run Festival

Sat, Nov 14 · Lemont, IL Lemont

10K20K (Half Marathon)30K +1

From $45 Open Closing Soon

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Da Deer Run Run

Sat, Dec 5 · Hudson, IL Hudson

Deer Run 4K RunDeer Run 8K Run3 Hours plus the 8K

From $15 Open

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