Race courses · 47 in Colorado
Trail & ultra race courses in Colorado
TrailGoat has 47 trail and ultra race courses in Colorado, from 10.1 mi to 103.4 mi. The longest is San Juan Softie 100 — 2026 at 103.4 mi. The most climbing is on Hardrock 100 Endurance Run 100 Miler — 2027: 28,861 ft of gain. Coming up: Sage Burner Trail Race — 2026 (), Above the Clouds Ultra — 2026 (), The Bear Chase 100K — 2026 (). Every course has an interactive map, elevation profile and aid stations, and opens in the Run Planner for grade-adjusted pacing and a fueling plan.
Race courses in Colorado (47)
- Above the Clouds Ultra — 2026 · Colorado28.7 mi3,923 ft ↑3,920 ft ↓46% trail · 44% gravel · 8% paved50K–50M
- Bobcat Trail Races — 2026 · Colorado31.0 mi3,491 ft ↑3,488 ft ↓6 aid100% trail50K–50M
- Bridge Burner Ultra 35 Miler — 2026 · Colorado36.0 mi6,758 ft ↑6,767 ft ↓69% trail · 17% paved · 14% gravel50K–50M
- Bridge Burner Ultra 35K — 2026 · Colorado22.0 mi5,225 ft ↑5,231 ft ↓80% trail · 15% paved · 5% gravelUnder 50K
- Bridge Burner Ultra 50K — 2026 · Colorado31.3 mi6,270 ft ↑6,272 ft ↓68% trail · 19% paved · 13% gravel50K–50M
- Colorado Cold Rush Ultra 1/2 Marathon — 2026 · Colorado13.0 mi2,740 ft ↑2,740 ft ↓55% gravel · 45% trailUnder 50K
- Colorado Cold Rush Ultra 50K — 2026 · Colorado30.3 mi5,202 ft ↑5,202 ft ↓81% gravel · 19% trail50K–50M
- Continental Divide Trail Run 16 Miler — 2026 · Colorado15.8 mi3,654 ft ↑3,669 ft ↓68% trail · 31% gravel · 2% pavedUnder 50K
- Continental Divide Trail Run — 2026 · Colorado29.6 mi5,292 ft ↑5,307 ft ↓84% trail · 16% gravel50K–50M
- Crested Butte Ultra 35K — 2026 · Colorado20.7 mi2,238 ft ↑2,244 ft ↓3 aid59% gravel · 29% trail · 12% pavedUnder 50K
- Crested Butte Ultra 55K — 2026 · Colorado32.1 mi4,767 ft ↑4,764 ft ↓3 aid52% gravel · 40% trail · 8% paved50K–50M
- Crested Butte Ultra — 2026 · Colorado48.4 mi8,757 ft ↑8,757 ft ↓4 aid57% trail · 38% gravel · 5% paved50M–100K
- Hardrock 100 Endurance Run 100 Miler — 2027 · Colorado98.7 mi28,861 ft ↑28,861 ft ↓72% trail · 28% gravel100M
- High Lonesome 100 100 MileColorado99.3 mi21,898 ft ↑21,892 ft ↓15 aid65% trail · 30% gravel · 5% paved100M
- Kessel Run Ultra 10 Miler — 2026 · Colorado10.1 mi1,158 ft ↑1,152 ft ↓2 aid91% trail · 9% pavedUnder 50K
- Kessel Run Ultra 20 Miler — 2026 · Colorado20.1 mi2,113 ft ↑2,116 ft ↓3 aid96% trail · 4% pavedUnder 50K
- Kessel Run Ultra 40 Miler — 2026 · Colorado40.2 mi4,229 ft ↑4,232 ft ↓3 aid96% trail · 4% paved50K–50M
- Kessel Run Ultra 50 Miler — 2026 · Colorado50.4 mi5,390 ft ↑5,384 ft ↓3 aid95% trail · 5% paved50M–100K
- Kessel Run Ultra 50k — 2026 · Colorado32.4 mi2,419 ft ↑2,416 ft ↓3 aid95% trail · 5% paved50K–50M
- Leadville Trail 100 Run — 2026 · Colorado99.6 mi15,014 ft ↑15,014 ft ↓12 aid35% trail · 35% gravel · 30% paved100M
- Ouray 50 Mile Endurance Run 50 Miler — 2026 · Colorado52.5 mi21,736 ft ↑21,736 ft ↓81% trail · 19% gravel50M–100K
- Pikes Peak Ultra 50 Miler — 2027 · Colorado51.3 mi8,509 ft ↑8,509 ft ↓12 aid50M–100K
- Rattler Trail Race 25K — 2027 · Colorado14.9 mi2,169 ft ↑2,176 ft ↓2 aid98% trailUnder 50K
- Rattler Trail Race 50K — 2027 · Colorado29.8 mi2,587 ft ↑2,583 ft ↓2 aid99% trail · 1% paved50K–50M
- Rock Hawk 25K — 2026 · Colorado15.6 mi1,522 ft ↑1,516 ft ↓3 aid98% trail · 2% gravelUnder 50K
- Rock Hawk — 2026 · Colorado31.2 mi3,028 ft ↑3,022 ft ↓3 aid99% trail · 1% gravel50K–50M
- Run Rabbit Run 100 Mile Tortoises — 2026 · Colorado101.2 mi15,791 ft ↑15,755 ft ↓43 aid76% trail · 20% gravel · 3% paved100M
- Run Rabbit Run 50 Miler — 2026 · Colorado48.9 mi7,602 ft ↑7,129 ft ↓68% trail · 32% gravel50M–100K
- Run Rabbit Run — 2026 · Colorado101.2 mi15,791 ft ↑15,755 ft ↓43 aid76% trail · 20% gravel · 3% paved100M
- Sage Burner Trail Race 28K — 2026 · Colorado16.8 mi2,514 ft ↑2,508 ft ↓4 aid84% trail · 16% gravelUnder 50K
- Sage Burner Trail Race — 2026 · Colorado31.3 mi3,088 ft ↑3,098 ft ↓6 aid77% trail · 23% gravel50K–50M
- San Juan Softie 100 — 2026 · Colorado103.4 mi15,081 ft ↑15,087 ft ↓11 aid74% trail · 19% gravel100M
- Snow Mountain Ranch 33K — 2026 · Colorado19.4 mi2,953 ft ↑2,953 ft ↓3 aid33% gravel · 4% trailUnder 50K
- Snow Mountain Ranch 50K — 2026 · Colorado30.8 mi6,341 ft ↑6,334 ft ↓9 aid62% gravel · 4% trail50K–50M
- Snow Mountain Ranch Half Marathon — 2026 · Colorado12.6 mi1,942 ft ↑1,945 ft ↓4 aid49% gravel · 2% trailUnder 50K
- Telluride Mountain Run — 2026 · Colorado63.5 mi20,736 ft ↑20,729 ft ↓11 aid59% gravel · 35% trail · 4% paved100K–100M
- The Bear Chase 100K — 2026 · Colorado49.8 mi3,091 ft ↑3,091 ft ↓3 aid100% trail50M–100K
- The Bear Chase 50 Mile — 2026 · Colorado49.8 mi3,091 ft ↑3,091 ft ↓3 aid100% trail50M–100K
- The Bear Chase 50K — 2026 · Colorado31.0 mi1,827 ft ↑1,827 ft ↓3 aid96% trail · 4% paved50K–50M
- The Bear Chase Half Marathon Sunday — 2026 · Colorado13.2 mi810 ft ↑810 ft ↓3 aid94% trail · 6% pavedUnder 50K
- Valkyrie Trail Race 1/2 Marathon — 2027 · Colorado12.9 mi2,144 ft ↑2,139 ft ↓3 aid100% trailUnder 50K
- Valkyrie Trail Race 30K — 2027 · Colorado17.2 mi2,193 ft ↑2,184 ft ↓3 aid100% trailUnder 50K
- Valkyrie Trail Race 50K — 2027 · Colorado25.9 mi3,288 ft ↑3,280 ft ↓3 aid100% trailUnder 50K
- Valkyrie Trail Race Marathon — 2027 · Colorado25.8 mi3,610 ft ↑3,606 ft ↓6 aid100% trailUnder 50K
- WILD Wahatoya Runs 1/2 Marathon — 2026 · Colorado14.7 mi3,389 ft ↑3,389 ft ↓75% trail · 25% pavedUnder 50K
- WILD Wahatoya Runs — 2026 · Colorado32.1 mi6,273 ft ↑4,770 ft ↓43% trail · 26% gravel · 10% paved50K–50M
- Westminster Trail Races 50K — 2026 · Colorado32.3 mi1,642 ft ↑1,642 ft ↓3 aid83% trail · 13% gravel · 3% paved50K–50M
More regions trail and ultra races by state and country
- Alabama3 courses
- Arizona54 courses
- California45 courses
- Connecticut4 courses
- Florida16 courses
- Georgia24 courses
- Idaho6 courses
- Illinois4 courses
- Iowa4 courses
- Michigan4 courses
- Minnesota5 courses
- Nevada7 courses
- New Hampshire9 courses
- New York3 courses
- North Carolina9 courses
- Ohio9 courses
- Oregon24 courses
- Pennsylvania7 courses
- South Carolina3 courses
- Texas14 courses
- Utah49 courses
- Virginia29 courses
- Washington25 courses
- West Virginia3 courses
- Wisconsin4 courses
- Wyoming6 courses
- Canada10 courses
- Spain15 courses
- Switzerland5 courses
- United Kingdom18 courses
- United States441 courses