David Johnston wins Men's 400M Individual Medley at the 2023 TYR Pro Swim Series in Mission Viejo. Jake Foster and Baylor Nelson take second and third. ★RESULTS★ David Johnston 4:17.27 Jake Foster 4:21.20 Baylor Nelson 4:21.75 _______________________________________________ ★CONNECT WITH OUR COMMUNITY★ Website: https://www.usaswimming.org Instagram: https://www.instagram.com/usaswimming Facebook: https://www.facebook.com/USAswimming Twitter: https://twitter.com/usaswimming _______________________________________________ ★SUBSCRIBE FOR MORE CONTENT★