Austin's Backyard Ultra
run any distance 4.17 miles (1 loop) or more. Other race distance Equivalents:
Half Marathon (13.1): Complete 4 loops
Marathon (26.2): Complete 7 loops
50K (31 miles): Complete 8 loops
50 Miles: Complete 12 loops
100K (62 miles): Complete 15 loops
100 Miles: Complete 24 loops
Half Marathon (13.1): Complete 4 loops
Marathon (26.2): Complete 7 loops
50K (31 miles): Complete 8 loops
50 Miles: Complete 12 loops
100K (62 miles): Complete 15 loops
100 Miles: Complete 24 loops
- Start Time:
- 7:00am CDT
- Price:
- $80 $75.00 Race Fee + $5.50 SignUp Fee
- Registration:
- Price increases to $95.00 after December 28, 2025 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| May 29, 2025, 6:46am CDT | December 28, 2025, 11:59pm CST | $80 $75.00 Race Fee + $5.50 SignUp Fee |
| December 29, 2025, 12:00am CST | February 27, 2026, 11:59pm CST | $90 $95.00 Race Fee + $6.70 SignUp Fee |
| February 28, 2026, 12:00am CST | April 28, 2026, 11:59pm CDT | $139 $130.00 Race Fee + $8.80 SignUp Fee |
| April 29, 2026, 12:00am CDT | May 13, 2026, 11:59pm CDT | $169 $169.00 Race Fee + $11.14 SignUp Fee |
| May 14, 2026, 12:00am CDT | May 21, 2026, 6:00pm CDT | $189 $189.00 Race Fee + $12.34 SignUp Fee |
Memorial Day Remembrance Marathon
- Start Time:
- 7:00am CDT
- End Time:
- 5:00pm CDT
- Price:
- $75 $65.00 Race Fee + $4.90 SignUp Fee
- Registration:
- Price increases to $75.00 after December 28, 2025 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| May 29, 2025, 5:06am CDT | December 28, 2025, 11:59pm CST | $75 $65.00 Race Fee + $4.90 SignUp Fee |
| December 29, 2025, 12:00am CST | February 26, 2026, 11:59pm CST | $95 $75.00 Race Fee + $5.50 SignUp Fee |
| February 27, 2026, 12:00am CST | April 28, 2026, 11:59pm CDT | $105 $95.00 Race Fee + $6.70 SignUp Fee |
| April 29, 2026, 12:00am CDT | May 13, 2026, 11:59pm CDT | $125 $105.00 Race Fee + $7.30 SignUp Fee |
| May 14, 2026, 12:00am CDT | May 21, 2026, 11:59pm CDT | $125.00 Race Fee + $8.50 SignUp Fee |
Memorial Day Remembrance Half-Marathon
- Start Time:
- 7:00am CDT
- End Time:
- 5:00pm CDT
- Price:
- $65 $55.00 Race Fee + $4.30 SignUp Fee
- Registration:
- Price increases to $65.00 after December 28, 2025 at 11:59pm CST
| Registration Starting | Registration Ending | Price |
|---|---|---|
| May 29, 2025, 5:06am CDT | December 28, 2025, 11:59pm CST | $65 $55.00 Race Fee + $4.30 SignUp Fee |
| December 29, 2025, 12:00am CST | February 26, 2026, 11:59pm CST | $75 $65.00 Race Fee + $4.90 SignUp Fee |
| February 27, 2026, 12:00am CST | April 28, 2026, 11:59pm CDT | $85 $75.00 Race Fee + $5.50 SignUp Fee |
| April 29, 2026, 12:00am CDT | May 13, 2026, 11:59pm CDT | $95 $85.00 Race Fee + $6.10 SignUp Fee |
| May 14, 2026, 12:00am CDT | May 21, 2026, 11:59pm CDT | $95.00 Race Fee + $6.70 SignUp Fee |
Race Austin Series
5% Discount Per Event
Austin's Backyard Marathon & Memorial Day Remembrance Run
Pick
Race Austin: Holiday Victory Lap - 50-Miler, 50K, Marathon, Half-Marathon, 10K, 5K
Pick
Mansfield Dam 10 Miler, 5K, 10K Ruck and Run
Pick
RRCA 8K Championship | Oasis Donut Dash- 10 Miler, 10K, 5K Run, Walk or Ruck
Pick
Includes 2 of the following races.
Austin's Backyard Marathon & Memorial Day Remembrance Run
Leander, TX 78645 US
05/23/2026
Pick
1
of the following events:
- Austin's Backyard Ultra — May 23, 2026 at 7:00am CDT
- Memorial Day Remembrance Marathon — May 23, 2026 at 7:00am CDT to 5:00pm CDT
- Memorial Day Remembrance Half-Marathon — May 23, 2026 at 7:00am CDT to 5:00pm CDT
Race Austin: Holiday Victory Lap - 50-Miler, 50K, Marathon, Half-Marathon, 10K, 5K
Spicewood, TX 78669 US
12/14/2025
Pick
2
of the following events:
- The Star of Texas Marathon — Dec 14, 2025 at 8:00am CST to 5:00pm CST
- Holiday Victory Half Marathon — Dec 14, 2025 at 9:00am CST to 3:00pm CST
- Holiday Victory 10k — Dec 14, 2025 at 11:00am CST to 2:00pm CST
Mansfield Dam 10 Miler, 5K, 10K Ruck and Run
Austin, TX 78732 US
01/10/2026
Pick
1
of the following events:
- 10K — Jan 10, 2026 at 11:30am CST to 2:30pm CST
- 10K Ruck — Jan 10, 2026 at 11:30am CST to 2:30pm CST
- 10 Mile — Jan 10, 2026 at 11:30am CST to 2:30pm CST
RRCA 8K Championship | Oasis Donut Dash- 10 Miler, 10K, 5K Run, Walk or Ruck
Austin, TX 78732 US
11/01/2025
Pick
1
of the following events:
- 10K — Nov 1, 2025 at 9:00am CDT to 12:00pm CDT
- 10K Ruck — Nov 1, 2025 at 9:00am CDT to 12:00pm CDT
- 10 Miler — Nov 1, 2025 at 9:00am CDT to 12:00pm CDT
This is a service fee for processing your race application. This may be slightly higher or lower per registrant than the amount shown here.
