| # | Võistleja | Triatlonide arv | Isiklik rekord | Esimene maraton | Viimane maraton |
|---|---|---|---|---|---|
| 431 | Arkadiusz Swider, 1975 | 1 | |||
| 432 | Artjom Djatsuk, 1989 | 1 | |||
| 433 | Artjom Livin, 1984 | 1 | |||
| 434 | Artjoms Gajevskis, 2000 | 1 | |||
| 435 | Arto Saar, 1982 | 1 | |||
| 436 | Artur Part, 1994 | 1 | |||
| 437 | Arvo Sala, 1970 | 1 | |||
| 438 | Asko Kuusalu, 1977 | 1 | |||
| 439 | Astrid Snäll, 1999 | 1 | |||
| 440 | Avo Laaneväli | 1 |