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Cougar Mountain Trail Run Series (August)

Sat, Aug 8 · Bellevue, WA Bellevue

Trail 5K14.5 Miles26.2 Miles

From $40 Open

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Snowbowl 15K

Sat, Aug 8 · Missoula, MT Missoula

Trail Snowbowl 15K

From $55 Open Closing Soon

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Prospector's 50k | 30k

Sat, Aug 8 · Cooke City, MT Cooke City

Trail 30k50kFully Cooked

From $80 Open

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Eastern States 100

Sat, Aug 8 · Waterville, PA Waterville

Trail Eastern States 100 - Unsupported Classes (NO CREW/NO PACERS)Eastern States 100 - Supported Class (Crew/Pacers Allowed)

From $295 Open Closing Soon

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Koala Bottle Table Rock 15K & 5K

Sat, Aug 8 · Pickens, SC Pickens

Trail 5k15k

From $25 Open

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McDougal Lake Trail Fest

Sat, Aug 8 · Hodgenville, KY Hodgenville

Trail 4 Mile Trail RunMTB 4 Mile Junior Race (Ages 8-12)Party Lap +7

From $25 Open

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Hobby Trails To You!

Sat, Aug 8 · Winston Salem, NC Winston Salem

Trail 5K - Hobby Trails10K - Hobby Trails

From $20 Open Closing Soon

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To the Max Obstacle Challenge

Sun, Aug 9 · Normal, IL Normal

Trail 2:00PM: 5+ year olds for Individuals & Families (RECREATIONAL)1:45PM: 5+ year olds for Individuals & Families (RECREATIONAL)1:30PM: 5+ year olds for Individuals & Families (RECREATIONAL) +8

From $25 Open Closing Soon 20 spots left

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SAR Wild Run

Sun, Aug 9 · Shaver Lake, CA Shaver Lake

Trail 2M Hike5k Trail Wild Run10k Trail Run +2

From $50 Open Closing Soon

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Into the Hills Eltuck 10k

Tue, Aug 11 · Bellvue, CO Bellvue

Trail Into the Hills Eltuck 10k

From $25 Open

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Topper Glow Run-5k

Fri, Aug 14 · Houston, MS Houston

Trail Topper Glow Run 5k

From $30 Open

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SCORCHIN' SQUIRREL TRAIL RUN (10k, 11m, 15m, 20m)

Sat, Aug 15 · Little Rock, AR Little Rock

Trail SCORCHIN' SQUIRREL TRAIL RUN (10k, 11m, 15m, 20m)

From $35 Open

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Lucky Bucket 5K Off-road run!

Sat, Aug 15 · Ashland, NE Ashland

Trail Lucky Bucket 5K Off-road Run.

From $40 Open

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1K & 3K BLAST

Sat, Aug 15 · Roswell, NM Roswell

Trail Elementary 1K (grades 3,4,5)Middle School 3K (grades 6,7,8)

From $5 Open

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The Gauntlet 1.55, 5k, 10k, 15k

Sat, Aug 15 · Fairborn, OH Fairborn

Trail The Gauntlet 1.55 fun runThe Gauntlet 5kThe Gauntlet 10k +1

From $15 Open

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Redwood (Summer) Trail Run

Sat, Aug 15 · Oakland, CA Oakland

Trail 5 mileHalf MarathonMarathon +2

From $60 Open

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OUTLAST AUSTIN - NIGHT OUT EDITION

Sat, Aug 15 · Johnson City, TX Johnson City

Trail 6 Hour Night Out Challenge

From $90 Open

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One Step Closer

Sat, Aug 15 · Seattle, WA Seattle

Trail 6 Hour12 Hour18 Hour +3

From $20 Open Closing Soon

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Bingo Challenge Races

Sat, Aug 15 · Lake Elmo, MN Lake Elmo

Trail 3x3 Bingo Card (8.55 - 14.25 Miles)4x4 Bingo Card (11.4 - 22.8 miles)

From $40 Open

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Trail Fest 2026 @ Tilden Hill Farm

Sat, Aug 15 · Verona, NY Verona

Trail Trail Fest 6 Hour Endurance ChallengeTrail Fest 3 Hour Endurance ChallengeTrail Fest 10 Hour Endurance Challenge

From $40 Open Closing Soon

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Cirque Series - Alta, UT

Sat, Aug 15 · Alta, UT Alta

Trail Expert DivisionPro DivisionSport Division (beginner / intermediate) +1

From $0 Open 34 spots left

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The Next Loop Endurance Series - Busse Woods

Sat, Aug 15 · Elk Grove Village, IL Elk Grove Village

Trail The Next Loop Endurance Series 5K, 10K, 1/2 Marathon, Marathon, 50K

From $90 Open

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Highlander Assault Obstacle Race

Sat, Aug 15 · Pingree Grove, IL Pingree Grove

Trail Family Frenzy 3k (2:00)5k Open Heat (9:45)5k Open Heat (11:15) +36

From $40 Open 50 spots left

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7-Lakes Trail Run (3.5Mile & 7Mile)

Sat, Aug 15 · Holly, MI Holly

Trail 3.5 Mile Run/WalkVirtual7 Mile Run

From $40 Open

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Summer Night Trail Run

Sat, Aug 15 · Indianapolis, IN Indianapolis

Trail Quarter MarathonHalf Marathon

From $57 Open

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2026 New Glarus Woods Trail Run

Sat, Aug 15 · New Glarus, WI New Glarus

Trail 5k Trail Run8k Trail Run16k Trail Run

From $50 Open

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The Cheyenne Mountain Run

Sat, Aug 15 · Colorado Springs, CO Colorado Springs

Trail 5K10K25K

From $40 Open

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TUFF ENUFF Trail Run

Sat, Aug 15 · Woodway, TX Woodway

Trail Virtual Trail Run5K Trail Run10K Trail Run

From $35 Open Closing Soon

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605 Trail Fest

Sat, Aug 15 · Sioux Falls, SD Sioux Falls

Trail Youth Trail Race4.5 Mile Trail Race8 Mile Trail Race

From $10 Open Closing Soon 50 spots left

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Nitty Gritty Off Road Race

Sun, Aug 16 · Red Lodge, MT Red Lodge

Trail Hot LapSolo Half MarathonMarathon Relay -6 people +5

From $25 Open

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Into the Hills Eltuck 5k

Tue, Aug 18 · Bellvue, CO Bellvue

Trail Into the Hills Eltuck 5k

From $25 Open

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The Augúst - Montana's Second Oldest Footrace

Thu, Aug 20 · Helena, MT Helena

Trail 5k Youth (0-19)5k Adult (20+)

From $10 Open

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OUTLAST OKC - NIGHT OUT EDITION

Fri, Aug 21 · Oklahoma City, OK Oklahoma City

Trail 6 Hour Night Out Challenge6 Hour Night Out Challenge - Friday

From $90 Open Closing Soon

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Conquer The Peaks of Silver Mountain 13k & 2Mile Trail Run

Fri, Aug 21 · Kellogg, ID Kellogg

Trail Conquer The Peaks of Silver Mt. 2 mile Trail RunConquer The Peaks of Silver Mt 13k Trail Run/HikeJust Run CTP 13k (Includes CTP T-shirt)

From $75 Open Closing Soon

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Habanero Hundred

Fri, Aug 21 · Cat Spring, TX Cat Spring

Trail 10KHalf MarathonMarathon +7

From $10 Open Closing Soon 50 spots left

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Grow Wild Trail Run

Sat, Aug 22 · Brainerd, MN Brainerd

Trail 10KHalf Marathon

From $45 Open

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Twin Anchors Copperhead Beer Relay 20K and Beer Mile Presented by Wicked Weed

Sat, Aug 22 · Hampstead, NC Hampstead

Trail Beer Mile Men and Women OpenBeer Mile Clydesdale and AthenaDonut Mile +6

From $35 Open

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Tree Trail Trot

Sat, Aug 22 · Andrews, IN Andrews

Trail 5K Run

From $20 Open

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Serenity on the Trails

Sat, Aug 22 · Schenectady, NY Schenectady

Trail Serenity on the Trails

From $35 Open

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Dark Horse Trail Series (26.2 - 13.1 - 10k)

Sat, Aug 22 · Mill Spring, NC Mill Spring

Trail Dark Horse 10kDark Horse Half MarathonDark Horse Marathon

From $25 Open

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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

Trail 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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Greenbelt's Vineyard Hill Trail Run

Sat, Aug 22 · South Hamilton, MA South Hamilton

Trail 5k Trail Run - Non-members5k Trail Run - Members10k Trail Run - Non-members +1

From $35 Open

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Fellows Frolic

Sat, Aug 22 · Tully, NY Tully

Trail Fellows Frolic -$1,000 ChallengeFellows Frolic -3 Hour

From $45 Open

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The Next Loop Endurance Series | Cliff Cave Park

Sat, Aug 22 · St Louis, MO St Louis

Trail The Next Loop Endurance Series 5K, 10K, 1/2 Marathon, Marathon, 50K

From $90 Open

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Hellbender 5k & Half Marathon

Sun, Aug 23 · Bear Gap, PA Bear Gap

Trail 5kHalf Marathon

From $25 Open

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Raptor Ridge Presented by Peace, Love, Trails

Sun, Aug 23 · Mount Kisco, NY Mount Kisco

Trail Raptor Ridge 6.5

From $40 Open Closing Soon

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FXBG Trail 8 Miler

Sun, Aug 23 · Fredericksburg, VA Fredericksburg

Trail FXBG Trail 8 Miler

From $10 Open

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OakRunner

Sun, Aug 23 · Speculator, NY Speculator

Trail OakRunner Trail Run

From $35 Open

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Eltuck Valley 12K - Lory Summer Trail Series

Tue, Aug 25 · Bellvue, CO Bellvue

Trail Eltuck Valley 12k

From $25 Open

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RunPA Trail Jamboree

Fri, Aug 28 · Newmanstown, PA Newmanstown

Trail RunPA Trail Jamboree - 12 Hour EnduranceRunPA Trail Jamboree - 3 Hour EndurancePACER ONLY +2

From $10 Open Closing Soon

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