Haile Satayin finished 22nd overall and first in his age group at the 30th Paris Marathon on Sunday. Satayin, who according to his Ethiopian birth records will turn 51 on Tuesday, crossed the finish line in two hours 17 minutes and nine seconds.
The Israeli Olympian won the 45+ age group by over 15 minutes.
Satayin, who plans to race at the European Championships this summer in Sweden, has said in the past that his birth records are not accurate and that he is actually in his early 40s.
Ethiopian Gashaw Melese won in 2:08:03, while Irina Timofeyeva was first among the women in 2:27:22.