Marathon
- Start Time:
- 6:30am MDT
- End Time:
- 2:00pm MDT
- Price:
- $85 $60.00 Race Fee
- Registration:
- Price increases to $95.00 after October 30, 2025 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 31, 2025, 12:00am MDT | October 30, 2025, 11:59pm MDT | $85 $60.00 Race Fee |
| October 31, 2025, 12:00am MDT | November 29, 2025, 11:59pm MST | $95.00 Race Fee |
| November 30, 2025, 12:00am MST | December 30, 2025, 11:59pm MST | $105.00 Race Fee |
| December 31, 2025, 12:00am MST | January 30, 2026, 11:59pm MST | $115.00 Race Fee |
| January 31, 2026, 12:00am MST | February 27, 2026, 11:59pm MST | $125.00 Race Fee |
| February 28, 2026, 12:00am MST | March 30, 2026, 11:59pm MDT | $135.00 Race Fee |
| March 31, 2026, 12:00am MDT | May 1, 2026, 11:59am MDT | $145.00 Race Fee |
Registration is available at https://www.boiserivermarathon.com?ticket=Marathon.
Half Marathon
- Start Time:
- 7:30am MDT
- End Time:
- 2:00pm MDT
- Price:
- $75 $50.00 Race Fee
- Registration:
- Price increases to $85.00 after October 30, 2025 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 31, 2025, 12:00pm MDT | October 30, 2025, 11:59pm MDT | $75 $50.00 Race Fee |
| October 31, 2025, 12:00am MDT | November 29, 2025, 11:59pm MST | $85.00 Race Fee |
| November 30, 2025, 12:00am MST | December 30, 2025, 11:59pm MST | $95.00 Race Fee |
| December 31, 2025, 12:00am MST | January 30, 2026, 11:59pm MST | $105.00 Race Fee |
| January 31, 2026, 12:00am MST | February 27, 2026, 11:59pm MST | $115.00 Race Fee |
| February 28, 2026, 12:00am MST | March 30, 2026, 11:59pm MDT | $125.00 Race Fee |
| March 31, 2026, 12:00am MDT | May 2, 2026, 11:59am MDT | $135.00 Race Fee |
Registration is available at https://www.boiserivermarathon.com?ticket=Half%20Marathon.
10k
- Start Time:
- 8:00am MDT
- End Time:
- 2:00pm MDT
- Price:
- $55 $45.00 Race Fee
- Registration:
- Price increases to $65.00 after October 30, 2025 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 31, 2025, 12:00am MDT | October 30, 2025, 11:59pm MDT | $55 $45.00 Race Fee |
| October 31, 2025, 12:00am MDT | November 29, 2025, 11:59pm MST | $65.00 Race Fee |
| November 30, 2025, 12:00am MST | December 30, 2025, 11:59pm MST | $75.00 Race Fee |
| December 31, 2025, 12:00am MST | January 30, 2026, 11:59pm MST | $85.00 Race Fee |
| January 31, 2026, 12:00am MST | February 27, 2026, 11:59pm MST | $95.00 Race Fee |
| February 28, 2026, 12:00am MST | March 30, 2026, 11:59pm MDT | $105.00 Race Fee |
| March 31, 2026, 12:00am MDT | May 1, 2026, 11:59am MDT | $115.00 Race Fee |
Registration is available at https://www.boiserivermarathon.com?ticket=10K.
5k
- Start Time:
- 8:00am MDT
- End Time:
- 2:00pm MDT
- Price:
- $45 $35.00 Race Fee
- Registration:
- Price increases to $55.00 after October 30, 2025 at 11:59pm MDT
| Registration Starting | Registration Ending | Price |
|---|---|---|
| July 31, 2025, 12:00pm MDT | October 30, 2025, 11:59pm MDT | $45 $35.00 Race Fee |
| October 31, 2025, 12:00am MDT | November 29, 2025, 11:59pm MST | $55.00 Race Fee |
| November 30, 2025, 12:00am MST | December 30, 2025, 11:59pm MST | $65.00 Race Fee |
| December 31, 2025, 12:00am MST | January 30, 2026, 11:59pm MST | $75.00 Race Fee |
| January 31, 2026, 12:00am MST | February 27, 2026, 11:59pm MST | $85.00 Race Fee |
| February 28, 2026, 12:00am MST | March 30, 2026, 11:59pm MDT | $95.00 Race Fee |
| March 31, 2026, 12:00am MDT | May 1, 2026, 11:59am MDT | $105.00 Race Fee |
Registration is available at https://www.boiserivermarathon.com?ticket=5K.
This is a service fee for processing your race application. This may be slightly higher or lower per registrant than the amount shown here.
