India, May 23 -- Florida-based Mike Fremont is a 102-year-old who holds many world records, including the fastest-recorded marathon for a 91-year-old. After surviving cancer in his late 60s and being told he had three months to live, he switched to a vegan diet and has lived the healthiest decades of his life since. In a May 19 Instagram post, online fitness coach Dan Go said, "Want to age well and enjoy life? We can learn a lot from Mike." Also read | 8 ways to maintain vitality and fitness as you get older

Dan wrote in his caption, "This is Mike Fremont. He's a 102-year-old runner who holds multiple age-related world records in the marathon, half marathon and canoeing. He's also beaten cancer while curing his arthritis using his diet."...