The 13-year-old is one of 10 athletes in his division selected to compete in the National Schools Championships in Melbourne from August 27 to 31.
Luke said he had been training most days in the lead up to the championships.
"Sometimes you think �oh, I don't really want to run", but when you get there you enjoy it,� he said.
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He is coached by Suzi Graves and has clocked himself running 1500m in four minutes and 48 seconds.
That was two years ago.
After struggling with calf and hamstring injuries for years, Luke hopes to make a strong comeback on the national stage.
"I want to get around the top eight " it's a big push but I think I�m capable of doing it,� he said.
At last year's nationals in Albany he came 15th.
Despite recurring injuries, Luke has had several other successes.
"In under-11s for 1500m at states, there was a guy no one could beat but I pulled out everything and beat him in the final sprint," he said.