Participation in the
Kentucky Derby is restricted to three-year-old
Thoroughbreds. This was the smallest North American foal crop since 1966, in which 20,228 Thoroughbreds were foaled. Participation in the Kentucky Derby is also open to European and Japanese Thoroughbreds, but foreign participation is rare. The field is limited to the top 20 horses on the
2022 Road to the Kentucky Derby leaderboard; these points are distributed to the top-four finishers in designated races. The
Road to the Kentucky Derby system was introduced in 2013; previously, qualification was tied to a horse's earnings in previous
graded stakes races, which were affected by variables such as the presence of
casinos at a particular
race track. In 2022, the main Road to the Kentucky Derby consisted of 36 races in North America plus one in Dubai, taking place between September 18, 2021, and April 16, 2022. It featured the addition of one race — the newly created Gun Runner Stakes, which took place at
Fair Grounds Race Course on December 26. This rule was put into place as part of a larger series of sanctions against Baffert, whose
2021 Kentucky Derby runner
Medina Spirit finished first but was subsequently disqualified after testing positive for
betamethasone. In response, owners of several Baffert-trained Derby contenders transferred them to trainers Tim Yakteen and Rodolphe Brisset. Two of these horses,
Taiba and Messier, eventually started in the Derby after earning points following the transfer. The eight major prep races for Derby qualification are, in chronological order, the
UAE Derby,
Louisiana Derby,
Florida Derby,
Arkansas Derby,
Jeff Ruby Steaks,
Wood Memorial Stakes,
Blue Grass Stakes, and
Santa Anita Derby. All of these races provide 100 points to their first-place finisher. The major preps began on March 26, when Epicenter won the Louisiana Derby and Crown Pride, a Japanese horse who entered with 16–1 odds, won the UAE Derby. The next three major races were held on April 2, with
White Abarrio,
Cyberknife, and Tiz the Bomb winning the Florida Derby, Arkansas Derby, and Jeff Ruby Steaks, respectively. On April 9, the final day of major preps,
Mo Donegal won the Wood Memorial, Zandon the Blue Grass, and
Taiba the Santa Anita Derby. While a Derby invitation is extended to the winner of the European and the Japan Road to the Derby, none of the top finishers from either circuit were nominated for the
Triple Crown, and the offers were not accepted. ==Field==