INAS World Athletics Championships

INAS World Athletics Championships are a biennial international athletics competition hosted by the International Sports Federation for Persons with Intellectual Disability for athletes who have an intellectual impairment and compete in the T20 and F20 classes.

Outdoor events

 * Key:
 * M - men's events only contested
 * F - women's events only contested
 * X - both events contested
 * — - not contested in that year

Outdoor
As of 2021. Scotland, England and Wales competed from 1989 to 2003, Great Britain competed from 2005 onwards.

Indoor
As of 2020.