By 2026, Roger Federer and Mirka Federer’s combined net worth will be one of the largest financial empires among athletes in sports history. The wealth has been built up by ATP prize money, record-breaking endorsement deals and strategic investments like On Running, showing the enduring brand power of tennis. Lifestyle management, family operations, and business direction are also big players in the game, along with Roger Federer and Mirka Federer.