Claim: The 1993 IAAF World Half Marathon Championships was held on October 3, 1993 in Brussels, Belgium where 254 athletes competed from 49 countries.
Evidence: The 2nd IAAF World Half Marathon Championships was held on October 3, 1993, in Brussels, Belgium. 254 athletes from
49 nations 
The 2nd IAAF World Half Marathon Championships was held on October 3, 1993, in Brussels, Belgium. A total of 254 athletes, 133 men, 86 women and 35 juniors, from 49 countries took part. 
October 3 254 athletes from
49 nations Brussels, Belgium Belgium