| Greg Billington | |
| Fullname: | Gregory Billington |
| Residence: | San Diego, California, U.S. |
| Birth Date: | 30 May 1989 |
| Birth Place: | Spokane, Washington, U.S.[1] |
| Education: | Wake Forest University |
| Height: | 176 cm[2] |
| Weight: | 65 kg |
| Country: | United States |
| Sport: | Triathlon / Paratriathlon guide |
| Show-Medals: | yes |
Gregory Billington (born May 30, 1989) is an American triathlete. He was born in the United States and raised in Six Mile Bottom, England. He traveled a lot in his youth when his father served as instructor on U.S. military bases. He started competing in triathlon aged 10[1] and placed 37th at the 2016 Rio Olympics.[2]
After retiring from elite-level triathlon, he has continued his elite-level athleticism, participating in marathons, winning two marathons in 2019 and participating in the 2020 Olympic Marathon Trials, finishing 37th at 2:17:21.[3]
Billington followed it up by returning to triathlon as a guide to Brad Snyder at the Paratriathlon PTVI category, winning the 2020 Summer Paralympics gold, as sighted guides are eligible for medals.[4]
Billington won the 2022 Burning Man Ultra (50K) with a time of 3:13:58.[5]