Lisa Seidel has reached Maniac Titanium and Everest Double Agent status, completing 29 marathons and 5 ultras across 30 states, along with 68 half marathons in 18 states since September 15, 2020. The MainlyMarathons Series rewards runners who achieve these milestones with distinctive medals. For details on the criteria for leveling up, more information is available at the provided link.