A physical fitness challenge involving 100 push-ups and 50 pull-ups in under 10 minutes has been undertaken by service members, DOD civilians, and public figures. The challenge has drawn warnings from fitness experts and has been attempted by some individuals, with varying reports on its safety and feasibility. The specifics of the challenge and its origins are unclear, with some outlets referencing a "Pete and Bobby Challenge" and others mentioning a DOD-HHS fitness challenge.