Are there time limits?
Walkers are welcome in all the races.
TowneBank Shamrock 8K Cutoff: 2 hours from the start of the last corral
Anthem Shamrock Half MarathonCutoff: 4 hours from the start of the last corral
Yuengling Shamrock Marathon Cutoff: 7 hours from the start of the last corral
Due to street closure restrictions and hard closures of military base access points, you must reach the following checkpoints at the times indicated to avoid being picked up and transported back to the finish area:
| Location | Mile Point | Cutoff Time |
| West Gate of JEB Little Creek-Ft. Story | 5.78 | 9:45 AM |
| East Gate of JEB Little Creek-Ft. Story | 9.1 | 10:45 AM |
| Half Marathon point | 13.1 | 11:28 AM |
| 5th Street (Heading out) | 15.43 | 12:07 PM |
| U-Turn by Prosperity Rd | 18.75 | 1:02 PM |
| Camp Pendleton Exit | 22.1 | 1:55 PM |
| 5th Street (Heading back) | 23 | 2:06 PM |
