SAN DIEGO—Extreme sports legend and Carlsbad native Shaun White plans to retire after competing in the Beijing Winter Olympics. The 35-year-old White, once dubbed the “Flying Tomato” because of his flowing red hair, has participated in four Winter Olympics in his career, winning gold in the snowboard halfpipe event in 2006, 2010, and 2018. “This has all had its amazing glow to every single decision and every single competition because I’ve decided this will be my last Olympics,” White said during a news conference on Feb. 5 in Beijing. “I’ve given it my all, there have been some ups and downs on the way to get here,” White said. “And with that I feel I’ve gotten stronger and better. “I’m just so excited about everything. Opening ceremony was incredible. The venue looks incredible. I’m just enjoying every single moment,” he added. White was the first person to compete in and …