(Image credit: Getty Images) Katie Archibald , a two-time Olympic gold medalist and four-time world champion on the track, has decided to retire from elite-level competition, British Cycling announced on Tuesday. In a Q&A published by British Cycling, Archibald revealed that a new passion has allowed her the motivation to take the leap to the "real world" of employment. The latest race content, interviews, features, reviews and expert buying guides, direct to your inbox! (Image credit: Getty Images) After so many years of success and battling against setbacks, Archibald said she was too scared to leave elite cycling until discovering her passion for nursing. "I just finished my first placement a couple of months ago, and it feels so special being someone people can trust when they need help," Archibald said. "Part of that trust, of course, is knowing that nothing leaves the room unless they choose to share it. For that reason, I'm keen to step back from what little part of the public eye I'm in.…