[1][2][3] In 2021, he suffered serious injuries in a crash, which resulted in 12 broken ribs and a spine injury and was close to announcing his retirement.
[4][5] However he returned to speedway when riding for Rospiggarna in his native Sweden.
Henderson has reached every Swedish Individual Speedway Championship final from 2018 to 2022 and finished 5th in the 2020 Swedish Individual Speedway Championship.
[7] His uncle Kenny Olsson died in a speedway crash in 2007.
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