Half Marathon
Starting at the Lewis and Clark Gavins Point Picnic Shelter, this fabulous half-marathon course takes you along paved trails through the wooded areas of the Lewis and Clark Campground. You will run alongside Lewis and Clark Lake, loop east around Lake Yankton, and trace the scenic shoreline of Lewis and Clark Lake back to the finish line at Gavins Point.
The trails offer spectacular views of the local scenery and wildlife. The lake area is also known as a winter haven for bald eagles.
Race Details & Timing
This is a chip-timed race with video and manual iPad entry backup.
Awards & Swag
Prizes will be awarded to the overall top male and female finishers. Prizes will also go to the first and second-place male and female finishers in the following age divisions:
• 1–19
• 21–29
• 31–39
• 41–49
• 51–59
• 60–69
• 70–99
Finishing medals will be given to all half-marathon runners. Shirts are provided for runners only. You must be present to receive your award if you place; no awards or t-shirts will be mailed out.
Rules & Registration Policy
• Bib Visibility: Your bib must be visible during the entire race from start to finish, or you may be disqualified.
• Course Completion: Runners must pass over both the start and finish lines.
• Refund Policy: Please consider buying race insurance. The River Rat Run does not offer refunds.
The trails offer spectacular views of the local scenery and wildlife. The lake area is also known as a winter haven for bald eagles.
Race Details & Timing
This is a chip-timed race with video and manual iPad entry backup.
Awards & Swag
Prizes will be awarded to the overall top male and female finishers. Prizes will also go to the first and second-place male and female finishers in the following age divisions:
• 1–19
• 21–29
• 31–39
• 41–49
• 51–59
• 60–69
• 70–99
Finishing medals will be given to all half-marathon runners. Shirts are provided for runners only. You must be present to receive your award if you place; no awards or t-shirts will be mailed out.
Rules & Registration Policy
• Bib Visibility: Your bib must be visible during the entire race from start to finish, or you may be disqualified.
• Course Completion: Runners must pass over both the start and finish lines.
• Refund Policy: Please consider buying race insurance. The River Rat Run does not offer refunds.
- Start Time:
- 8:00am CDT
- End Time:
- 11:00am CDT
- Price:
- $55.00 Race Fee + $4.30 SignUp Fee
- Registration:
- Price increases to $65.00 after January 31, 2027 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| October 1, 2026, 12:00am CDT | January 31, 2027, 11:59pm CST | $55.00 Race Fee + $4.30 SignUp Fee |
| February 1, 2027, 12:00am CST | February 28, 2027, 11:59pm CST | $65.00 Race Fee + $4.90 SignUp Fee |
| March 1, 2027, 12:00am CST | March 31, 2027, 11:59pm CDT | $75.00 Race Fee + $5.50 SignUp Fee |
| April 1, 2027, 12:00am CDT | April 23, 2027, 11:59pm CDT | $85.00 Race Fee + $6.10 SignUp Fee |
10k Run
Starting at the Gavins Point Picnic Shelter, this course takes you through the entire Lewis and Clark Campground. The route runs along paved trails through the woods, with the final 5K tracking entirely alongside scenic Lewis and Clark Lake before finishing back at Gavins Point.
The trails offer spectacular views of the local scenery and wildlife. The lake area is also known as a winter haven for bald eagles.
Race Details & Timing
This is a chip-timed race with video and manual iPad entry backup.
Awards & Swag
Prizes will be awarded to the overall top male and female finishers. Prizes will also go to the first and second-place male and female finishers in the following age divisions:
• 1–19
• 21–29
• 31–39
• 41–49
• 51–59
• 60–69
• 70–99
Shirts are provided for runners only. Finishing medals are not awarded for the 10K distance. You must be present to receive your award if you place; no awards or t-shirts will be mailed out.
Rules & Registration Policy
• Bib Visibility: Your bib must be visible during the entire race from start to finish, or you may be disqualified.
• Course Completion: Runners must pass over both the start and finish lines.
• Refund Policy: Please consider buying race insurance. The River Rat Run does not offer refunds.
The trails offer spectacular views of the local scenery and wildlife. The lake area is also known as a winter haven for bald eagles.
Race Details & Timing
This is a chip-timed race with video and manual iPad entry backup.
Awards & Swag
Prizes will be awarded to the overall top male and female finishers. Prizes will also go to the first and second-place male and female finishers in the following age divisions:
• 1–19
• 21–29
• 31–39
• 41–49
• 51–59
• 60–69
• 70–99
Shirts are provided for runners only. Finishing medals are not awarded for the 10K distance. You must be present to receive your award if you place; no awards or t-shirts will be mailed out.
Rules & Registration Policy
• Bib Visibility: Your bib must be visible during the entire race from start to finish, or you may be disqualified.
• Course Completion: Runners must pass over both the start and finish lines.
• Refund Policy: Please consider buying race insurance. The River Rat Run does not offer refunds.
- Start Time:
- 8:25am CDT
- End Time:
- 11:00am CDT
- Price:
- $35.00 Race Fee + $3.10 SignUp Fee
- Registration:
- Price increases to $45.00 after January 31, 2027 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| October 1, 2026, 12:00am CDT | January 31, 2027, 11:59pm CST | $35.00 Race Fee + $3.10 SignUp Fee |
| February 1, 2027, 12:00am CST | February 28, 2027, 11:59pm CST | $45.00 Race Fee + $3.70 SignUp Fee |
| March 1, 2027, 12:00am CST | March 31, 2027, 11:59pm CDT | $55.00 Race Fee + $4.30 SignUp Fee |
| April 1, 2027, 12:00am CDT | April 23, 2027, 11:59pm CDT | $65.00 Race Fee + $4.90 SignUp Fee |
5k run/walk
Starting at the Lewis and Clark Gavins Point Picnic Shelter, this beautiful course loops you through the Lewis and Clark Campground on paved trails. You will run through scenic wooded areas before heading back to Gavins Point along the shores of Lewis and Clark Lake.
The trails offer spectacular views of the local scenery and wildlife. The lake area is also known as a winter haven for bald eagles.
Race Details & Timing
This is a chip-timed race with video and manual iPad entry backup.
Awards & Swag
Prizes will be awarded to the overall top male and female finishers. Prizes will also go to the first and second-place male and female finishers in the following age divisions:
• 1–19
• 21–29
• 31–39
• 41–49
• 51–59
• 60–69
• 70–99
Shirts are provided for runners only. Finishing medals are not awarded for the 5K distance. You must be present to receive your award if you place; no awards or t-shirts will be mailed out.
Rules & Registration Policy
• Bib Visibility: Your bib must be visible during the entire race from start to finish, or you may be disqualified.
• Course Completion: Runners must pass over both the start and finish lines.
• Refund Policy: Please consider buying race insurance. The River Rat Run does not offer refunds.
The trails offer spectacular views of the local scenery and wildlife. The lake area is also known as a winter haven for bald eagles.
Race Details & Timing
This is a chip-timed race with video and manual iPad entry backup.
Awards & Swag
Prizes will be awarded to the overall top male and female finishers. Prizes will also go to the first and second-place male and female finishers in the following age divisions:
• 1–19
• 21–29
• 31–39
• 41–49
• 51–59
• 60–69
• 70–99
Shirts are provided for runners only. Finishing medals are not awarded for the 5K distance. You must be present to receive your award if you place; no awards or t-shirts will be mailed out.
Rules & Registration Policy
• Bib Visibility: Your bib must be visible during the entire race from start to finish, or you may be disqualified.
• Course Completion: Runners must pass over both the start and finish lines.
• Refund Policy: Please consider buying race insurance. The River Rat Run does not offer refunds.
- Start Time:
- 8:15am CDT
- End Time:
- 11:00am CDT
- Price:
- $25.00 Race Fee + $2.50 SignUp Fee
- Registration:
- Price increases to $35.00 after January 31, 2027 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| October 1, 2026, 12:00am CDT | January 31, 2027, 11:59pm CST | $25.00 Race Fee + $2.50 SignUp Fee |
| February 1, 2027, 12:00am CST | February 28, 2027, 11:59pm CST | $35.00 Race Fee + $3.10 SignUp Fee |
| March 1, 2027, 12:00am CST | March 31, 2027, 11:59pm CDT | $45.00 Race Fee + $3.70 SignUp Fee |
| April 1, 2027, 12:00am CDT | April 23, 2027, 11:59pm CDT | $55.00 Race Fee + $4.30 SignUp Fee |
This is a service fee for processing your registration. This may be slightly higher or lower per registrant than the amount shown here.
