Around 900 of Nottinghamshire's top young athletes are taking part in the county schools' equivalent of the Olympic Games.
The pupils are competing in the Nottinghamshire Sainsbury's Games. They've come through district qualifying events to represent their schools in the showpiece finals at the university of Nottingham.
Olympic champion canoeists Tim Baillie and Etienne Stott, and British wheelchair rugby star Rob Tarr - who all live in the county - joined the students for the Opening Ceremony.
The children are competing in a range of sports including athletics, badminton and trampolining, with medals for the winners.