Three races, three days, 95 miles — the ultimate Red Feather Jamboree challenge

Red Feather Lakes, CO

No Service Requirement

Does not require trail or volunteer work

No qualifier race required

14,160 ft total gain

September 25, 2026

49.9 miles

8,120 ft

Loop

September 26, 2026

31.2 miles

4,210 ft

Loop

September 27, 2026

14.3 miles

1,830 ft

Loop

Run all three races across the full weekend: the 50 Mile on Friday, 50K on Saturday, and Half Marathon on Sunday for a cumulative ~95 miles. Separate awards ceremony for 3-Day Challenge finishers on Sunday at 11:45am.

This event uses open registration - no lottery entry required.

This event does not require a qualifier for entry.

This race does not have a service requirement for entry.

Red Feather Lakes, CO

No Service Requirement

Does not require trail or volunteer work

No qualifier race required

14,160 ft total gain

September 25, 2026

49.9 miles

8,120 ft

Loop

September 26, 2026

31.2 miles

4,210 ft

Loop

September 27, 2026

14.3 miles

1,830 ft

Loop

This event uses open registration - no lottery entry required.

This event does not require a qualifier for entry.

This race does not have a service requirement for entry.

Red Feather Trail Jamboree 3-Day Challenge

Nearby races

Red Feather Trail Jamboree 50 Mile

Black Squirrel Half Marathon

Quad Rock 50 Mile

Blue Sky Trail Marathon

Estes Epic Heavy Half

Samson's Revenge 10K

Never Summer 100K

Barr Lake Trail Race 50K

Red Feather Trail Jamboree 3-Day Challenge

Red Feather Trail Jamboree 50 Mile

Red Feather Trail Jamboree 50K

Red Feather Trail Jamboree Half Marathon

What Makes It Great