Skateboarder Dallas Oberholzer, 46, poses for a photo at the Germiston Lake Skateboard Park, near Johannesburg, Saturday, July 3, 2021. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Dallas Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Denis Farrell)

Dallas Oberholzer, 46, from South Africa, takes part in a men's park skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Rune Glifberg of Denmark takes part in a men's Park Skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Rune Glifberg will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Skateboarder Dallas Oberholzer, 46, walks with his skateboard at at the Germiston Lake Skateboard Park, near Johannesburg, Saturday, July 3, 2021. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Denis Farrell)

Dallas Oberholzer, 46, from South Africa, takes part in a men's Park Skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Dallas Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Dallas Oberholzer, 46, from South Africa, takes part in a men's park skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Dallas Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Dallas Oberholzer, 46, right, from South Africa, watches as other skaters practice in a men's Park Skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Dallas Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Skateboarder Dallas Oberholzer, 46, rides at the Germiston Lake Skateboard Park, near Johannesburg, Saturday, July 3, 2021. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Dallas Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Denis Farrell)

Dallas Oberholzer, 46, from South Africa, takes part in a men's park skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Rune Glifberg of Denmark takes part in a men's Park Skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Rune Glifberg will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Dallas Oberholzer, 46, from South Africa, takes part in a men's park skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Ben Curtis)

Skateboarder Dallas Oberholzer, 46, rides at the Germiston Lake Skateboard Park, near Johannesburg, Saturday, July 3, 2021. The age-range of competitors in skateboarding's Olympic debut at the Tokyo Games is remarkably broad and 46-year-old Dallas Oberholzer will go wheel-to-wheel with skaters less than half his age. (AP Photo/Denis Farrell)