Dr. Larry Grogin is an chiropractor, acupuncturist, athlete and philanthropist based in New Jersey. On his 71st birthday, March 24, 2026, Dr. Grogin began a run across the U.S., with a goal to complete 100 marathons in 100 consecutive days, benefitting the Davis Phinney Foundation for Parkinson’s, the disease Larry was diagnosed with in 2019.

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