Events
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Ultra Running Events in Colorado

All 50 KM 50 Miles 100 KM 100 Miles 6 Hours 12 Hours 24 Hours

Upcoming Events

Date Event City Distances
04/27/24 Runs With Scissors Races - CO Brighton 50 KM
04/27/24 Cheyenne Mountain Trail Race Colorado Spring 50 KM
04/27/24 Rock Hawk Castle Rock 50 KM
05/04/24 Greenland Trail Races Larkspur 50 KM
05/04/24 Collegiate Peaks Trail Run Buena Vista 50 Miles
05/11/24 Valkyrie Trail Race Colorado Springs 50 KM
05/11/24 Quad Rock 50 Fort Collins 50 Miles
05/18/24 Ram Party Colorado Springs 50 KM , 50 Miles
05/18/24 Endure Trail Runs Divide 12 Hours , 24 Hours
05/18/24 Samson's Revenge Estes Park 55 KM
05/18/24 Sky Pilots Ouray Backyard Ultra Ouray Backyard
05/25/24 Weld Your Mettle Ultra Marathon Windsor 50 KM
06/01/24 Mace’s Hideout 100 Beulah 50 Miles , 100 Miles
06/01/24 The Great Divide Ultra Divide 50 KM , 50 KM , 100 KM , 100 Miles
06/01/24 North Fork 50 Mile/50K Pine 50 KM , 50 Miles
06/15/24 The Ol' College Try 24 Hour Ultra Denver 6 Hours , 12 Hours , 24 Hours
06/15/24 The Crooked Mile - State 48 LMS Canon City Backyard
06/15/24 Cuchara Trail Runs La Veta 60 KM , 55 Miles
06/16/24 Desert Rats Kokopelli Stage Race Fruita 150 Miles
06/22/24 San Juan Solstice Lake City 50 Miles
06/22/24 Ring the Springs Colorado Springs 50 KM , 100 KM , 100 Miles
06/29/24 Broken Brain Backyard Craig Backyard
06/29/24 Methodist Mountain Ultra Salida 50 KM
07/06/24 Silver Rush 50 Leadville 50 Miles
07/06/24 Silverton Alpine Silverton 50 KM
07/12/24 Silverheels Trail Runs Fairplay 60 KM , 50 Miles , 100 KM , 100 Miles
07/12/24 Hardrock 100 Endurance Run Silverton 100 Miles
07/19/24 Chase the Moon Endurance Run Highlands Ranch 12 Hours
07/19/24 High Lonesome 100 Salida 100 Miles
07/19/24 Ouray 100 Mile Endurance Run Ouray 100 Miles
07/20/24 Power of Four Trail Run Aspen 50 KM
07/22/24 The Summit 200 Frisco 200 Miles
07/26/24 Never Summer 100K Gould 60 KM , 100 KM
07/27/24 Pikes Peak Ultra Colorado Springs 50 KM , 50 Miles
07/27/24 Creede 100 Creede 100 Miles
07/27/24 Grand Mesa Ultras Grand Mesa 55 KM , 50 Miles
08/03/24 Sheep Mountain Trail Runs Fairplay 50 KM , 50 Miles
08/09/24 HighFive100 Lake City 100 Miles
08/16/24 San Juan Softie 100 Durango 100 Miles
08/17/24 Leadville Trail Leadville 100 Miles
08/24/24 Telluride Mountain Run Telluride 40 Miles
08/24/24 Rio Grande 100 South Fork 100 Miles
08/24/24 Continental Divide Trail Run Steamboat Springs 50 KM
08/29/24 Front Range Ultra Dayze Loveland 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 100 Hours , 100 Miles , 200 Miles
08/31/24 Grand Traverse Mountain Run Crested Butte 40 Miles
08/31/24 Creede Mountain Run Creede 50 KM
09/06/24 American Heroes Run Longmont 9 Hours , 24 Hours , 100 Miles
09/07/24 Devil on the Divide 50K Empire 50 KM
09/13/24 Run Rabbit Run Steamboat Springs 50 Miles , 100 Miles , 100 Miles
09/14/24 Ouray 50 Mile Endurance Run Ouray 50 Miles
09/20/24 Red Feather Trail Jamboree Red Feather Lakes 50 KM , 50 Miles
09/21/24 Silver Creek Mountain Runs (Divide 100) Georgetown 50 KM , 50 Miles
09/21/24 Snow Mountain Ranch Trail Running Festival Granby 50 KM
09/25/24 Sangre de Cristo Trail Festival Westcliffe 50 KM , 50 Miles , 100 KM , 100 Miles , 200 Miles
09/28/24 Crested Butte Ultra Crested Butte 55 KM , 50 Miles
09/28/24 The Bear Chase Lakewood 50 Miles , 100 KM
09/28/24 West Line Winder Buena Vista 50 KM
09/28/24 24 Hours of Palmer Lake Palmer Lake 24 Hours
09/29/24 Sawatch Ascent Nathrop 50 KM
10/05/24 Castle Rock Trail Festival Castle Rock 50 KM
10/05/24 Rocky's Backyard Ultra Race Estes Park Backyard
10/05/24 Hanging Flume 50k Uravan 50 KM
10/05/24 Above the Clouds Ultra Woodland Park 50 KM
10/12/24 Indian Creek Trail Runs Sedalia 55 KM , 50 Miles
10/12/24 Sage Burner 50k Gunnison 50 KM
10/19/24 Bobcat Trail Races Colorado Springs 50 KM
11/02/24 Bridge Burner Ultra Canon City 50 KM
11/02/24 Colorado 24 Hour Run Fort Collins 6 Hours , 12 Hours , 24 Hours
11/09/24 BINGO! Trail Runs Byers Backyard
11/09/24 Kessel Run Ultra Fruita 60 KM , 50 Miles
11/30/24 Colorado Cold Rush Ultra Colorado Springs 50 KM
12/07/24 Sawmill Trail Runs Pine 50 KM
12/07/24 Thumbs Up Vertical Challenge Estes Park 8 Hours
02/15/25 Stories Trail Runs Colorado Springs 6 Hours , 15 Hours , 30 Hours

Past Events

Date Event City Distances
04/20/24 Royal Gorge Groove Cañon City 50 KM , 55 KM , 60 KM
04/20/24 Falcon 50 Colorado Springs 26.3 Miles , 50 Miles
04/13/24 Desert Rats Trail Running Festival Fruita 50 KM , 50 Miles , 52 Miles , 52.4 Miles , 100 KM
04/13/24 Rattler Trail Race Colorado Springs 50 KM
04/06/24 Run the Ranch Loveland 6 Hours , 12 Hours
02/25/24 Running Up for Air - Staunton Rocks Pine 6 Hours , 12 Hours , 24 Hours
10/22/23 Latino Ultra Nature Adventure Boulder 55 KM
10/14/23 Suffer Better Fall Trail Run Pine 50 KM
10/07/23 The Crooked Mile - The Satsang LMS Canon City Backyard
09/16/23 Mountain Rats Festival Eagle 55 KM
09/02/23 The Crooked Mile - The Road Not Taken LMS Canon City Backyard
08/19/23 The Crooked Mile - Marcs Run Canon City Backyard
08/04/23 Jess' Backyard Ultra Greeley Backyard
07/09/23 Last Call Fifties Fairplay 55 KM , 53.5 Miles
07/01/23 The Crooked Mile - The Sundance LMS Canon City Backyard
07/01/23 John Cappis 50K Fat Ass Silverton 19 Hours , 50 KM
06/03/23 South Park Trail Runs Fairplay 24 Miles , 28 Miles , 38 Miles
05/20/23 Tava Canons Colorado Springs 50 Miles
03/11/23 Cuchara Snowshoe Races La Veta 50 KM
10/08/22 Rough Canyon Trail Runs Grand Junction 50 KM , 50 Miles
09/25/22 Pikes Peak APEX Colorado Springs 50 KM
09/17/22 Tava's Shadow Ultra Divide 50 KM , 100 KM
07/30/22 Ole School 50/50 Steamboat Springs 50 KM , 50 Miles
06/18/22 Aspen Loop Ultra Mancos 40 Miles
06/04/22 Durango Skyline Trail Runs Durango 50 KM , 50 Miles
06/03/22 Golden Gate Dirty 30 Black Hawk 50 KM
04/30/22 Front Range Backyard Ultra Arvada Backyard
04/23/22 Smith Mountain Ultra Marathon Delta 20 Miles , 40 Miles
10/23/21 Fox Run Endurance Run Colorado Springs 12 Hours , 50 Miles
10/03/21 Rad Dirt Fest Trinidad 50 KM
10/02/21 Bear Creek Endurance Run Colorado Springs 5 Hours , 10 Hours , 12 Hours
09/12/21 Elevated Running Retreat Salida 30 Miles
09/11/21 Fountain Creek Endurance Run Fountain 12 Hours
09/05/21 Breck Crest Breckenridge 50 KM
08/28/21 Lincoln Mountain Endurance Run Larkspur 6 Hours , 12 Hours
08/07/21 Silverton Ultra Dirty Silverton 60 KM , 100 KM , 100 Miles
07/17/21 Kickers For Kids Fun Run Palmer Lake 50 KM , 50 Miles , 100 KM , 100 Miles
07/16/21 Mount Herman Adventure Run Palmer Lake 50 Miles , 100 Miles , 200 Miles
06/19/21 Happy Camper Endurance Run Westminster 50 Miles , 100 Miles , 150 Miles , 200 Miles
05/22/21 Castlewood Canyon Fun Run Franktown 6 Hours , 10 Hours
10/03/20 Tommyknocker 12-Hour & Mine Shaft Half Golden 12 Hours , 50 KM , 100 KM
09/06/20 Estes Epic Estes Park 55 KM
08/01/20 Dinosaur100 Trail Race Craig 50 Miles , 100 Miles
06/06/20 Lincoln Mountain Trail Run Larkspur 6 Hours
05/02/20 Cheyenne Mountain Ultra 10x5k Colorado Springs 50 KM
09/22/19 Sunset Trail Running Festival Gold Hill 50 KM
08/09/19 Pagosa Fun 10 Hour Ultra Run Pagosa Springs 10 Hours
03/02/19 Frozen Foot 50 Ultra Race Pagosa Springs 50 KM
08/25/18 Devil Mountain Pagosa Springs 50 KM , 50 Miles
08/11/18 Box Canyon 40 Telluride 55 KM , 40 Miles , 55 Miles
07/14/18 Under Armour Mountain Running Series - Copper Mountain Copper Mountain 50 KM
07/06/18 Steep Camp (Silverton 1000) Silverton 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 144 Hours , 100 Miles
05/18/18 The Divide 135 Ultra Walden 135 Miles
09/02/17 Hideaway Hundred Winter Park 50 KM , 50 Miles , 100 KM , 100 Miles
07/18/17 Colorado 200 Mile Endurance Run Almont 200 Miles
05/07/17 Cimarron Endurance Run Cimarron 50 KM
04/29/17 The Chatfield Ultra Race - C.U.R.E ultras Littleton 50 KM , 50 Miles , 100 KM
10/11/14 24 Hours of Boulder Boulder 6 Hours , 12 Hours , 24 Hours , 50 KM , 100 KM , 100 Miles
09/06/14 Ultra Race of Champions (UROC) - CO Vail 50 KM , 100 KM
07/26/14 Mt. Werner Classic Steamboat Springs 50 KM
07/04/14 Mountain Challenge Series # 3 - July Silverton 48 Hours , 240 Hours
06/14/14 Gunnison 100k Endurance Run Gunnison 100 KM
06/13/14 Mountain Challenge Series: June Silverton 24 Hours , 48 Hours , 72 Hours , 168 Hours , 240 Hours
06/29/13 Silverton 6/12/24 Hour Mountain Runs Silverton 6 Hours , 12 Hours , 24 Hours
06/01/13 Run for Aurora Roxborough 50 KM , 50 Miles
06/21/11 Gemini Adventures Grand Junction 148 Miles
10/03/09 Blue Sky Trail Marathon Fort Collins 50 KM
07/26/08 High Mountain Leadville 50 KM
10/09/04 Telegraph Trail Durango 50 KM
01/17/04 Frozen Ass Trail 30 Mile Littleton 30 Miles
05/25/02 Black Canyon Montrose 50 KM
06/16/01 Colorado Trail Pearl Winter Park 24 Hours
04/07/01 Mile High Metric Challenge Littleton 50 KM
08/05/88 Vail Valley 50 Mile Vail 50 Miles
04/16/88 Alfred E. Packer 50 Mile Run Littleton 50 Miles

Recent Results
Mt. Si Relay & Trail Runs 50K
Horseshoe Lake Trail Run 50K
Spokane River Run 50K
Cobscook Backyard Ultra 50M
Cobscook Backyard Ultra 50K
Mt. Si Relay & Trail Runs 50M
Earth Day 50K 50K
Royal Gorge Groove 50K
Red Rocks of Sedona Trail Races 34M
Red Rocks of Sedona Trail Races 50M
Loud Thunder 50 50K
Loud Thunder 50 50M
Stillhouse 100k 100K
Forget the PR Mohican 50k and 25k 50K
Run with the Goats 50K
Mad City 50K
Mad City 100K
Sinister Night Runs 54K
Spitfire Ultra Trail Challenge 55K
The Foxtail 50K