In the summer ( April – September), Dorchester athletes can take part in the following competitions.
- Wessex Young Athletes Track & Field League – for U13, U15, U17 and Quad Kids
- South West Athletics League Division 2
In addition, Dorchester athletes may be selected to represent Team Dorset, in the following competitions.
- Southern Athletics League Division 3 South West – U17, U20 and Seniors
- Youth Development League Upper Age Group (U17 and U20) Southern Region Premier 2
- Youth Development League Lower Age Group (U13 and U15) Southern Region (West 1)
In the winter (October – March), Dorchester athletes can take part in the following competitions.
- The Wessex Cross-country League
- Dorset Sportshall League