September 8, 2008 on Whitefish Lake, Montana
Win a FREE Trimble Nomad® Handheld Computer!
The farthest distance a human has travelled under his own power on flat water is 242 km by Carter Johnson on April 29-30, 2006 on Lake Merced, California using a Huki S1-x surfski kayak. One day during the week of September 8 to September 12, 2008, Canadian Greg Kolodziejzyk is going to challenge Carter's record using a specially designed, state of the art carbon fiber pedal powered boat called Critical Power 2.
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 Event sponsor Trimble is offering a free Nomad® handheld computer to whoever can come the closest to predicting Greg's finishing distance during his attempt at a new 24 hour human powered boat distance record.
The contest is free to enter and open to anyone. Simply fill in your name, email address and distance prediction in miles or kilometers on the form found below.
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Contest entrants can follow Greg's progress live during the record attempt at the BLOG: www.adventuresofgreg.com/HPB/HPBmain.html
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Contest Entry Form
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About Critical Power 2 human powered boat
 Critical Power 2 is considered to be the most efficient self-powered boat on the planet (over long distances). It will maintain a speed of 10 km / hr with an easy to moderate cycling pace. CP2 is a carbon fiber trimaran that was designed by human powe red boat expert Rick Willoughby from Brisbane, Australia, and built by Greg Kolodziejzyk. It's 24 foot long hull is only 9" wide, weighs less than 20 lbs and displaces only 4" of water. Greg is positioned in a recumbent seat mounted on the deck enabling a powerful pedalling position. The pedals turn a right angle gear box which spins a shaft leading to a propeller under the water. The main hull balances on the water by two small outrigger floats mounted to each side of the main hull. The entire boat weighs less than 40 lbs and it's top speed is 17 km / hr.
About the 24 hour record attempt
 A 5 to 10 km circular course will be marked and surveyed with buoys on Whitefish Lake in Montana. Greg will start pedalling his human powered boat Critical Power 2 at 9:00 am and make continual loops around the course stopping briefly only to receive food and water from his support crew who will be stationed on a dock. He won't stop pedalling until 9:00 am the next day - exactly 24 hours later. Official observers from the international human powered vehicle association will be stationed at key points along the circular course to verify that Greg stays to the outside of the markers, and travels the full distance measured.
A detailed study of average speeds, suitable record attempt weather conditions and training required for Greg and his boat Critical Power 2 to set a new record can be found at this link: http://www.adventuresofgreg.com/HPB/2008/06/honest-look-at-my-chances.html
The 24 hour human powered boat record will be observed, officiated and ratified by the International Human Powered Vehicle Association and Guinness Book of World Records.
24 hour human powered distance record history
Kayak 24 hour records:
| Date |
Rider |
Location |
Type |
Distance |
| 1986 |
Randy Fine |
United States |
surfski |
193 km |
| 1991 |
Marinda Hartzenberg |
South Africa |
canoe |
220.5 km |
| 2006 |
Brandon Nelson |
Washington |
kayak |
235 km |
| 2006 |
Carter Johnson |
California |
surfski |
241.8 km |
Pedal powered boat 24 hour records:
| Date |
Rider |
Location |
Type |
Distance |
| 2000 |
Kevin & Karin Hughes |
United States |
Microcat Ultra |
90.25 km |
| 2000 |
John Howard |
United States |
Pedalos |
168.43 km |
| 2005 |
Team of 3 riders |
Italy |
Trieste Waterbike |
176.8 km |
| 2006 |
Greg Kolodziejzyk |
Canada |
WiTHiN |
173.76 km |
As you can see, conventional means of human power on water using kayaks, row boats, etc, have consistently demonstrated more efficiency than pedal/propeller powered boats over long durations like a 24 hour effort. If Greg is successful in breaking Carter Johnson's 242 km Guinness world record, this will be the first time that a pedal powered boat has demonstrated greater efficiency than a conventional kayak for distances longer than a few kilometers.
For distances shorter than a few kilometers, pedal/propeller powered boats have the edge over conventional paddled or rowed human powered boats. The rowing record for 2000 meters is 18.2 km / hr average speed. This compares to the pedal powered boat record for the same distance of 20 km / hr average speed. The current world record for the fastest human powered boat for the 100 meter sprint is 34.2 km / hr and is a pedal and propeller powered boat called Decavitator.
About Greg
 Greg is the fastest man on earth with a world record set in 2006 on a race track in California for the most distance covered by human power in 24 hours on land. Greg powered his custom made carbon fiber bullet bike "Critical Power" 1046 km in just one day on a race track in Eureka California on July 19, 2006 breaking the existing world record by 26 km. Greg also holds a Guinness world record for the most distance travelled in 24 hours by pedal-powered boat which he accomplished in June, 2007 in Calgary. Greg is an endurance athlete who has finished dozens of marathons, 12 Ironman triathlons and qualified for Ironman World Championships in Kona, Hawaii.
Greg is well know by local Calgary elementary and junior high school students. Greg speaks at schools throughout Calgary about his accomplishments, achieving goals and the importance of staying fit and healthy to lead a happy and productive life. His program "KidPower" teaches kids that they can achieve their dreams with focused effort, hard work and discipline. Greg's goal is to eventually expand KidPower to a nation wide program. Greg wants to see our children become active again and is committed to doing his part to make that happen.
For more information contact
Greg Kolodziejzyk
adventuresofgreg@gmail.com
Adventures of Greg Web site:
http://www.adventuresofgreg.com
Greg's BLOG:
http://www.adventuresofgreg.com/HPB/HPBmain.html
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