McDonaldâs to give out free fries on July 13, launch lifetime supply contest By Skyler Rivera McDonald's employee turns 100 years old with no plans on retiring Ruth Shuster celebrated her 100th birthday Wednesday, and she said retiring from her job at McDonaldâs isnât even on her radar. CHICAGO, Ill. - McDonald’s is rolling out its new loyalty program, MyMcDonald’s Rewards, and to celebrate, the company is giving away free fries on July 13 — and launching a free fries for life contest. The fast-food chain is rebranding National French Fry Day, celebrated on July 13, to World Famous Fan Day.