- Who
- 5th Annual Nate Harrison Grade Race
- Where
- United States (San Diego)
- When
The longest mountainboarding race is the 5th Annual Nate Harrison Grade Race which measures 6.95 miles (11.18 km) and took place at Palomar Mountain, San Diego County, California, United States, on 3 September 2008.
The race was measured using Topcon GPS equipment. There were 15 entrants with the the winner being 2008 World Freestyle Mountainboard Champion Kody Stewart who finished in 18 min 56 sec (a course record). The highest amateur finish was 20 min 11 sec by Kris Kidwell who finished 2nd. Damien Hertenstein finished in 11th place, a tremendous achievement considering he was only 8 years old at the time!
