| # | Võistleja | Triatlonide arv | Isiklik rekord | Esimene maraton | Viimane maraton |
|---|---|---|---|---|---|
| 981 | Nina Olin | 2 | |||
| 982 | Olaf Dirker | 2 | |||
| 983 | Olari Ilison, 1977 | 2 | |||
| 984 | Olav Vannik, 1987 | 2 | |||
| 985 | Ole Andersen | 2 | |||
| 986 | Ole Raudsepp, 1978 | 2 | |||
| 987 | Oleg Petrov, 1963 | 2 | |||
| 988 | Oleg Vernygora | 2 | |||
| 989 | Olga Kostrova | 2 | |||
| 990 | Oskar Kivinurk, 1993 | 2 |