Largest Ski Lesson
WHO:
Hansjürg Gredig of the Swiss-Snowsport School
WHAT:
594 skiers
WHERE:
Sarn-Heinzenberg (Graubünden), Switzerland
WHEN:
23 February 2008
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The largest ski lesson was attended by 594 skiers who were instructed by Hansjürg Gredig (Switzerland) of the Swiss-Snowsport School at Sarn-Heinzenberg (Graubünden), Switzerland, on 23 February 2008.
The lesson was 1,300 metres long and took 16 minutes. Although Hansjürg Gredig led the lesson there were supplementary instructors for every 20-30 people to ensure the lesson was being followed correctly. 

Longest Windsurfing Journey
WHO:
Flavio Jardim and Diogo Guerreiro
WHAT:
8,120 km (5,045 miles)
WHERE:
Brazil
WHEN:
July 18, 2005
The longest windsurfing journey was 8,120 km (5,045 miles) by Flavio Jardim and Diogo Guerreiro (both Brazil) who travelled from Chui to Oiapoque on the Brazillian Coast between 17 May 2004 - 18 July 2005 as part of the Blue Destination Expedition.




Most Ironman Races Completed In One Year
WHO:
Jacques Fox
WHAT:
14
WHERE:
From Malaysia to Hawaii
WHEN:
November 27, 2005
The most Ironman races completed in a year is 14 by Jacques Fox (Luxembourg), starting in Malaysia in February 2004 and ending in Hawaii, USA in November 2004.


Longest Skis
WHO:
Danske Bank
WHAT:
534 m (1,751 ft 11 in)
WHERE:
Örebro, Sweden
WHEN:
13 September 2008
The longest skis are 534 m (1,751 ft 11 in) long and were worn by 1,043 skiers in an event organized by Danske Bank on Drottninggatan in Örebro, Sweden, on 13 September 2008.




Most Back Flips (single leap) - In-Line Skates
WHO:
Jason Stinsmen
WHAT:
Double back flip
WHERE:
Van Nuys Aitport, California, USA
WHEN:
January 2, 2001
Jason Stinsmen of Allentown, Philadelphia achieved using a ramp, a double back flip at Van Nuys Aitport, California, USA for Guinness World Records: Primetime, on January 20, 2001.



Most Consecutive Skateboard Frontside Ollies (halfpipe)
WHO:
Keith Baldassare 
WHAT:
348
WHERE:
Florida,  United States
WHEN:
20 September 2008
The most consecutive skateboard frontside ollies (halfpipe) is 348 and was set by Keith Baldassare (USA) in Merritt Island, Florida, USA on 20 September 2008.


Longest Skateboard
WHO:
Rob Dyrdek and Joe Ciaglia
WHAT:
11.14 m (36 ft 7 in)
WHERE:
California,  United States
WHEN:
25 February 2009
The longest skateboard measured 11.14 m (36 ft 7 in) long, 2.63 m (8 ft 8 in) wide and 1.10 m (3 ft 7.5 in) high; it was designed and produced by Rob Dyrdek and Joe Ciaglia (both USA) in Los Angeles, California, USA and unveiled on 25 February 2009 on the MTV series 'Rob Dyrdek's Fantasy Factory'.
The wheels are 8 ft 11 in wide and the deck itself is 5 1/2 inches thick.




Largest Skateboard
WHO:
Rob Dyrdek and Joe Ciaglia (both USA)
WHAT:
11.14 m (36 ft 7 in) long, 2.63 m (8 ft 8 in) wide and 1.10 m (3 ft 7.5 in) high
WHERE:
Los Angeles, California, USA
WHEN:
February 25, 2009
The largest skateboard measured 11.14 m (36 ft 7 in) long, 2.63 m (8 ft 8 in) wide and 1.10 m (3 ft 7.5 in) high; it was designed and produced by Rob Dyrdek and Joe Ciaglia (both USA) in Los Angeles, California, USA and unveiled on 25 February 2009 on the MTV series 'Rob Dyrdek's Fantasy Factory'.




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