The phrase "prominent competition" is correct and usable in written English.
You can use it to describe a group of competitors that are particularly noteworthy or well-known. For example: "The sporting event drew prominent competition from all around the country."
A true-life, 1930s Hollywood character whose golf feats were legend, John Montague was an enigma to the rich and famous who knew him in California because he shunned prominent competitions and refused to have his picture taken.
In this competition the cultural heritage of the city's glorious past reveals itself as a prominent competitive advantage in 'theming' and marketing post-modern Vienna.
The players from Chapecoense were heading for a match that would surely mark the pinnacle of their club's history so far: the first leg of the final in South America's Copa Sudamericana – the continent's second most prominent club competition.
In 2008, Yammer won a prominent startup competition called TC50.
In 1921 22, the prominent Tribune Tower competition was held to design a new headquarters for the Chicago Tribune, a major US metropolitan newspaper.
Replacement disease should be more prominent when competition and replacement in carriage work through acquisition, because acquisition is generally believed to pose the highest risk of developing pneumococcal disease (34, 35).
Mr. Morris, representing dancers on more than 300 college campuses, proposed allowing same-sex couples to participate in the more prominent nationwide competitions.
But Mr. O'Riley decided to develop his career as a classical musician, winning awards in a number of prominent international competitions and receiving a prestigious Avery Fisher Career Grant.
Ski jumping was once the N.C.A.A.'s most prominent snow sport competition.
But the prominent exposure the competition provides is also a powerful lure.
