| 826 | 08 May 27 | CITY RUN 5K/10K - Run for Those Who Can't | 5K/10K | Dallas, TX |
| 827 | 09 May 27 | Run This Mother Half Marathon and 5K | 5K/10K/13.1M | San Antonio, TX |
| 828 | 15 May 27 | Mindy Moses 5K Memorial Fun Run | 5K | Bellville, TX |
| 829 | 15 May 27 | Grandmomma Wears Pink 5K Color Run | 5K | Wichita Falls, TX |
| 830 | 15 May 27 | Fiesta De Mayo Half | 5K/10K/13.1M | Irving, TX |
| 831 | 15 May 27 | Beach To Bay Relay Marathon | 26.2M | Corpus Christi, TX |
| 832 | 15 May 27 | Austin Spartan | 1K/5K/10K | Burnet, TX |
| 833 | 15 May 27 | East Texas Ultra | 7K/14K/28K/50K | Mineola, TX |
| 834 | 16 May 27 | Fort Worth Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay/sprint duathlon relay | Fort Worth, TX |
| 835 | 23 May 27 | American Hero 25K Relay & Half Marathon | 5K/10K/13.1M/25K | San Antonio, TX |
| 836 | 29 May 27 | ASCO Spartacus Dash | 3M | Belton, TX |
| 837 | 29 May 27 | Austin's Backyard Marathon | 4M/13.1M/26.2M | Marble Falls, TX |
| 838 | 29 May 27 | River's Edge Trail Race | 1M/25K/50K | Georgetown, TX |
| 839 | 29 May 27 | High Hope Endurance Run | 5K/10K/25K/50K/100K/200K | Glen Rose, TX |
| 840 | 30 May 27 | Badass Texas | 5K/10K/13.1M | Waco, TX |