Marathon
- Start Time:
- 6:30am MDT
- End Time:
- 12:30pm MDT
- Price:
- $219.36 $176.96 incl. $16.96 Fee
- Registration:
- Price increases to $198.16 after December 31, 2025 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 1, 2025, 12:00am MDT | December 31, 2025, 11:59pm MST | $219.36 $176.96 |
| January 1, 2026, 12:00am MST | February 28, 2026, 11:59pm MST | $198.16 |
| March 1, 2026, 12:00am MST | April 30, 2026, 11:59pm MDT | $219.36 |
| May 1, 2026, 12:00am MDT | May 2, 2026, 5:59pm MDT | $245.86 |
Half Marathon
- Start Time:
- 6:30am MDT
- End Time:
- 12:30pm MDT
- Price:
- $322.30 $145.16 incl. $15.16 Fee
- Registration:
- Price increases to $166.36 after December 31, 2025 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 1, 2025, 12:00am MDT | December 31, 2025, 11:59pm MST | $322.30 $145.16 |
| January 1, 2026, 12:00am MST | February 28, 2026, 11:59pm MST | $166.36 |
| March 1, 2026, 12:00am MST | April 30, 2026, 11:59pm MDT | $187.56 |
| May 1, 2026, 12:00am MDT | May 2, 2026, 5:59pm MDT | $214.06 |
10K
- Start Time:
- 7:00am MDT
- End Time:
- 12:30pm MDT
- Price:
- $81.56 $65.66 incl. $10.66 Fee
- Registration:
- Price increases to $70.96 after December 31, 2025 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 1, 2025, 12:00am MDT | December 31, 2025, 11:59pm MST | $81.56 $65.66 |
| January 1, 2026, 12:00am MST | February 28, 2026, 11:59pm MST | $81.56 $70.96 |
| March 1, 2026, 12:00am MST | April 30, 2026, 11:59pm MDT | $76.26 |
| May 1, 2026, 12:00am MDT | May 2, 2026, 5:59pm MDT | $81.56 |
5K
- Start Time:
- 7:00am MDT
- End Time:
- 12:30pm MDT
- Price:
- $70.96 $55.06 incl. $10.06 Fee
- Registration:
- Price increases to $60.36 after December 31, 2025 at 11:59pm MST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| November 1, 2025, 12:00am MDT | December 31, 2025, 11:59pm MST | $70.96 $55.06 |
| January 1, 2026, 12:00am MST | February 28, 2026, 11:59pm MST | $70.96 $60.36 |
| March 1, 2026, 12:00am MST | April 30, 2026, 11:59pm MDT | $65.66 |
| May 1, 2026, 12:00am MDT | May 2, 2026, 5:59pm MDT | $70.96 |
Combo Colorado Half & Platte River Half
$240.56
$198.16
The Colorado Marathon
Platte River Half-Marathon and Relay
Here’s what you get when you sign up for this race bundle:
The Colorado Marathon
Fort Collins, CO 80521 US
05/03/2026
- Half Marathon — May 3, 2026 at 6:30am MDT to 12:30pm MDT
Platte River Half-Marathon and Relay
Littleton, CO 80120 US
04/12/2026
- Half Marathon — Apr 12, 2026 at 7:00am MDT to 11:00am MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| December 29, 2025, 12:00am MST | December 31, 2025, 11:59pm MST | $240.56 $198.16 |
| January 1, 2026, 12:00am MST | February 28, 2026, 11:59pm MST | $240.56 |
Combo Colorado Marathon & Platte River Half
$240.56
The Colorado Marathon
Platte River Half-Marathon and Relay
Here’s what you get when you sign up for this race bundle:
The Colorado Marathon
Fort Collins, CO 80521 US
05/03/2026
- Marathon — May 3, 2026 at 6:30am MDT to 12:30pm MDT
Platte River Half-Marathon and Relay
Littleton, CO 80120 US
04/12/2026
- Half Marathon — Apr 12, 2026 at 7:00am MDT to 11:00am MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| October 30, 2025, 12:00am MDT | October 31, 2025, 11:59pm MDT | $240.56 $219.36 |
| November 1, 2025, 12:00am MDT | December 31, 2025, 11:59pm MST | $240.56 |
This is a service fee for processing your registration. This may be slightly higher or lower per registrant than the amount shown here.
