Athletics News Rachel Entrekin Breaks Barriers as First Woman to Win Cocodona 250 Ultramarathon-With Loyal Canine Companions by Her SideBy Atticus ReedMay 10, 2026 Rachel Entrekin made history as the first woman to win the Cocodona 250 ultramarathon. Along the challenging Arizona course, she also charmed onlookers by stopping to pet dogs, blending endurance with warmth.