Registration details to be announced in July, 2022 Only the fittest (or craziest!) runners ever attempt back-to-back marathons…much less 13 days and 3,000 miles apart! The April 30, 2023 race will mark the 12th presentation of the Boston 2 Big Sur Challenge and we hope to welcome 400 of the world’s fittest athletes to … Continued

https://www.bigsurmarathon.org/races/boston-2-big-sur/