Athletics Integrity Unit
| Abbreviation | AIU |
|---|---|
| Formation | April 2017 |
| Purpose | Anti-doping in sport |
| Headquarters | Monaco |
| Coordinates | 43°43′57″N 7°25′29″E / 43.73250°N 7.42472°E |
Head | Brett Clothier |
| Affiliations | World Athletics |
| Website | www |
The Athletics Integrity Unit (AIU) is a Monaco-based organization founded by World Athletics in April 2017 to combat doping and address other forms of ethical misconduct in the sport of athletics. It operates independently from World Athletics to fulfill World Anti-Doping Code requirements. It is currently headed by Brett Clothier.
The organization collected more than 3800 samples from athletes in the first six months of 2021 in advance of the 2020 Summer Olympics. In 2023, AIU announced new efforts to establish a "blood steroid passport" to better detect the presence of steroids, more commonly used in sprinting and throwing events, through blood serum and endocrine testing.
AIU argues that the number of doping bans in athletics indicates that other sports are not robustly testing athletes.