To register for the marathon, participants must be 18 years of age or older on the race day. The three race categories for men and women are: marathon, 15 km and public run. A special category for disabled persons exists also. In 2003, 571 athletes (523 men and 48 women) from all over the world took part in the marathon category only. Participation in the public run was with 150.000 people a record set in 1998.