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Arcadia Today
By the People, for the People
Late-Charging Filly Stuns Favorites at Santa Anita Park
Spirited Boss rallies from last to capture the Grade 3 Monrovia Stakes on the downhill turf
Apr. 5, 2026 at 10:58am
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In a surprising upset at Santa Anita Park in Arcadia, a 4-year-old filly named Spirited Boss came from behind to win the Grade 3 Monrovia Stakes on the downhill turf course. Ridden by Hall of Famer Mike Smith, Spirited Boss surged late to overtake the favored Queen Maxima and reward racegoers at the signature Arcadia track.
Why it matters
The win by the late-charging Spirited Boss highlighted the excitement and unpredictability of Arcadia's renowned Santa Anita Park, which hosts some of the top thoroughbred racing in the country. The upset victory also showcased the skill of veteran jockey Mike Smith and the potential of the Florida-bred filly Spirited Boss.
The details
Spirited Boss, a 4-year-old filly, rallied from last place to capture the Grade 3 Monrovia Stakes on the downhill turf course at Santa Anita Park in Arcadia. Ridden by Hall of Fame jockey Mike Smith, Spirited Boss surged past the favored Queen Maxima in the final strides to pull off the surprise win and reward racegoers at the iconic California track.
- The Monrovia Stakes took place on a busy spring racing weekend at Santa Anita Park.
The players
Spirited Boss
A 4-year-old filly who won the Grade 3 Monrovia Stakes at Santa Anita Park.
Mike Smith
A Hall of Fame jockey who rode Spirited Boss to victory in the Monrovia Stakes.
Queen Maxima
The favored horse that Spirited Boss overtook to win the Monrovia Stakes.
Santa Anita Park
The iconic racetrack in Arcadia, California that hosted the Monrovia Stakes.
The takeaway
The upset victory by Spirited Boss at Santa Anita Park showcased the excitement and unpredictability of thoroughbred racing at one of the sport's premier venues, highlighting the skill of veteran jockey Mike Smith and the potential of the Florida-bred filly.

