Exclusive PETA footage shows shocking fatality at California racetrack. Published December 15, 2025 by Scott Miller. Last Updated December 18, 2025. Exclusive video footage shot by PETA shows a catastrophic breakdown and fatal injury during the Champion of Champions stakes race at Los Alamitos Race Course in California on Saturday night, December 13. PETA's video captured 4-year-old Quarter Horse Stanley Cartel suffering a devastating lower-leg fracture that left the limb dangling as he collapsed on the track. Stanley Cartel's death, in what was supposed to be his last race before retiring to stud, marks the latest in a series of serious injuries and fatalities at Los Alamitos, a track already under scrutiny by the California Horse Racing Board (CHRB) following a recent cluster of equine deaths. Ramiro Castillo previously trained Stanley Cartel before Los Alamitos banned him earlier this week after five horses in his care died since May. Following this incident, PETA is urging the CHRB and Los Alamitos Race Course to take immediate action. People For the Ethical Treatment of Animals, Inc. is calling for comprehensive veterinary examinations - including CT scans - of all horses formerly trained by Castillo to identify hidden injuries before they cause more deaths. PETA is also pressing officials to suspend all live racing and training at Los Alamitos so the track can undergo a full, independent safety review. This latest breakdown highlights the urgency of that warning.

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