LOS ANGELES — American Matthew Richtman’s life unexpectedly changed when he ran a personal best time of 2 hours, 7 minutes and 56 seconds to win the 2025 Los Angeles Marathon. “Everything really changed after that,” Richtman said. “A little bit more attention from everything and looking forward to future races and what I was capable of doing. It definitely altered the training I was doing and just made me hungry for what’s to come.” By covering the course at a blistering pace of 4:53 per mile for 26.2 miles, he instantly catapulted himself into the conversation as a legitimate, yet too-early, contender to make the 2028 Summer Games and race for Olympic gold in the streets of Los...