The final major of 2025 begins on Thursday with the 2025 Open Championship, and after J.J. Spaun won the most recent major with odds longer than 100-1 at the U.S. Open, longshot bets could be a trendy way to attack the 2025 Open Championship on betting sites.

The Open Championship takes place July 17-20 at Royal Portrush in Portrush, Northern Ireland. Here’s a look at the full field and how they qualified based on the R&A’s order of exemption criteria (several players would have qualified via multiple categories;