Star long jumper Anju Bobby George's career-best performance in the Athens Olympics pushed her to fifth position in the latest world rankings released by the International Association of Athletics Federations.

Anju, who erased her national mark by nine centimetres leaping to 6.83m, got 180 points for her sixth place at Athens to move up with 1247 points from her sixth position in the last list.

Olympic champion Tatyana Lebedeva of Russia took over as the new world number one dethroning compatriot Tatyana Kotova, bronze winner, who slipped to the second place.

The third Russian on the podium in Athens, silver medal winner Irina Simagina retained her third place while Australian Bronwyn Thompson, who finished fourth, jumped up three spots to number six.

The top 10 in women's long jump:

1. Tatyana Lebedeva (Russa) 1374 points
 2. Tatyana Kotova (Russia) 1341
 3. Irina Simagina (Russia) 1303
 4. Marion Jones  (USA) 1278
 5. Anju Bobby George  (India) 1247
 6. Bronwyn Thompson (Australia) 1245
 7.  Grace Upshaw (USA) 1231
 8.  Carolina Kluft (Sweden) 1217
 9. Jade Johnson (Britain) 1212
10. Valentina Gotovska (Latvia) 1206