1. IAAF World Cross country Challenge.

2. IAAF World Indoor Track and Field Champi onships.

3. IAAF has responded by urging caution over the reports.

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4. The IAAF commissioned a gender test on the teenager after her performance levels improved remarkably in the build-up to the World Championships.

5. New rules of race walking were promulgated by International Amateur Athletic Federation (IAAF) in early 1996.

6. IAAF World Half Marathon.

7. Last week, IAAF president Lamine Diack said Jones will be remembered as "a fraud".

8. With the IAAF athletic competition rules being revised biennially, modern athletic competition became more and more benefit to athlete to achieve the best performance.

9. Nick Davies, spokesman for the IAAF, the world track-and-field governing body, said there had been no signs that Andyar was having second thoughts about competing in Beijing.

10. The world governing body is the IAAF ( I , DoubleA, F ) The International Amateur Athletic Federation.

11. In 1928, IAAF became the first International Sport Federation to ban the use of doping.

12. IAAF World Athletics Championships.

13. On that day, Ostrava in the Czech Republic's IAAF Grand Prix[], Luo Bosi 87 to 12 seconds of the results was the men's 110 meter hurdles champion and break the world record.

14. The governing body of World Athletics the IAAF now accepts she's done nothing wrong.

15. IAAF could not be reached to confirm their spokesman's reported remarks.

16. But after the personal intervention of IAAF president Lamine Diack, they can now target medals in Berlin.

17. According to reports, Jamaica last year's IAAF out - of - competition doping test frequency, the world's fifth more.

18. Elliott is a person of integrity, he IAAF anti - doping Commission of one.

19. IAAF World Road Relay.

20. IAAF, which organizes world championships, says only 10 % of disqualified athletes actually return their medals.

21. Last weekend's IAAF final 100 - meter race, also flat bronze medal.

22. IAAF has now said that the 19 - year - old can run again.

23. The game is fair and, the IAAF will give us a reasonable reply.

24. The International Amateur Athletic Federation (IAAF) also complied with the royal request by setting a new official distance of 26.2 miles in 1921.

25. Competitors run during the men's senior race at the IAAF World Cross Country Championships in Bydgoszcz, Poland March 28.

26. The competition will be conducted in accordance with the rules of IAAF.