| 2021 World Mountain and Trail Running Championships | |
|---|---|
| Dates | November 4–6, 2022 |
| Host city | Chiang Mai, Thailand |
| Level | Senior, Junior |
| Type | Outdoor |
| Events | 10 (men: 4; women: 4) (U20 boys: 1; U20 girls: 1) |
The 2021 World Mountain and Trail Running Championships (abbreviated WMTRC 2021) was an inaugural event which combined the World Mountain Running Championships and IAU Trail World Championships. The event was organised by the World Mountain Running Association, International Trail Running Association and International Association of Ultrarunners sanctioned by World Athletics.[1] It was held in Chiang Mai, Thailand, from November 4–6, 2022.[2][3]