A heartbroken sister has shared her grief after her sibling — a popular influencer — died during a triathlon competition. Mara Flávia Araújo, 38, died on Saturday during the swim portion of Ironman Texas . Volunteers dashed to try to save the Brazilian woman, who had more than 60,000 followers on Instagram , after she vanished beneath the surface of the water. Her sister, Melissa, today paid tribute to the social media influencer. She said: "You lived life intensely. You were always synonymous