RJ
Ronald Jefferson Jefferson
BRAMen
Birth date3/17/1994
Height-
Weight-
Ronald Jefferson Jefferson is a Brazil middle-distance runner, born on March 17, 1994. He competes primarily in the 1500m, 5000m and 10000m.
His personal bests include 3:55.21 in the 1500m, 14:38.95 in the 5000m, 30:02.74 in the 10000m, 1:06:02 in the Semi and 9:26.69 in the 3000mSt. He is currently active on the international athletics circuit, representing Brazil.