'to excel at' is correct and usable in written English.
You can use it to describe that someone is very skilled or proficient in something. For example, "John excels at basketball."
My generation happens to excel at waiting.
But Earnhardt came to excel at the "odd and dangerous game" of the Nascar circuit.
"I had no way to excel at point guard at Vancouver with Mike Bibby there.
Such students often have greater difficulty adapting to the practices required to excel at A-level.
The smoothies of King Charles Street are supposed to excel at that, at least.
Edwar Ramírez continues to excel at Scranton, and Karstens and Brower have minor league options.
That was, for her, the noblest profession, and one she felt compelled to excel at.
However, she discovered that she didn't have to excel at maths to do the job.
But we can't expect her to excel at absolutely everything, can we?
He is a star who acts like a normal guy who happens to excel at basketball.
Jimmy encouraged his older son to excel at school and go to college.
