We love a feel-good story on Sunrise and this one will melt your heart.

Callum Di Bortoli, a Year 7 student at St Joseph's College in Sydney, happens to have global development delay, causing him to have low muscle tone, delayed speech and learning difficulties.

Watch the heartwarming video above

The 13-year-old doesn't let his condition slow him down, and his courageous performance at the school's recent athletics carnival lead to a truly heartwarming response from classmates and spectators.

After cheering him through to the finish line of the gruelling 1,500m race, Callum's school friends hoisted him onto their shoulders, personifying the college motto of 'you'll never walk alone'.

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