CJ Albertson is an American marathoner from Fresno, California, known for his aggressive front-running and prolific racing schedule. He set his marathon personal best of 2:08:17 at the 2024 Boston Marathon, where he was the top American finisher, and was also the top American at the 2024 Chicago Marathon.
Albertson holds the world record for 50 kilometers (2:38:43) and the world record for the indoor marathon (2:17:59). He famously led the 2021 Boston Marathon for nearly 20 miles before being caught by the elite field, an audacious move that has defined his racing identity.
He is a high school running coach in Fresno and is sponsored by Brooks.