Check your age group to filter relevant leagues with our handy calculator, or scroll down to view all leagues. You can also use the filters if you know your age group already!

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Age groups are calculated using UK Athletics rulings. As we do not wish to process your full date of birth, this is only an estimated catagory. Most age groups define the catagory at the age of the athlete on 31st August within the current competition year. e.g. Bob is 11 on 31st August 2025, Bob is now an U13 for the whole of the 2025 season.

For Masters Age Groups, you move into the new category based on your age on the day of the competition. This calculator will estimate to the nearest month only.