The 9th IAAF World Indoor Championships in Athletics were held in the National Indoor Arena in Birmingham, UK from 14 to 16 March 2003. It was the first time the Championships had been held in the UK. There were a total number of 589 participating athletes from 133 countries.

Arena Birmingham is an indoor arena and sporting venue in central Birmingham, England. It is owned by parent company the NEC Group. When it was opened in 1991, it was the largest indoor arena in the UK.