Endurance Athlete, Philanthropist, Documentary Film Maker, Motivational Speaker, Adventure Guide.

John Lacroix is a thirty-two-year-old outdoor educator, professional guide, endurance athlete, philanthropist, documentary film maker and motivational speaker, residing in Denver, CO.

Known worldwide as "Sherpa John," he started his endurance career as a peak-bagger in New Hampshire's rugged White Mountains. In 2004 John completed hiking New Hampshire's list of 48 Four-Thousand Foot peaks entering himself into the Appalachian Mountain Clubs Four-Thousand Footer Club. During the same time, Sherpa John released a first-of-its-kind documentary film he wrote, edited and produced titled "48: A White Mountain Documentary Film." He sold and donated over 800 DVD copies of his film to various individuals and organizations; all the while raising over $25,000 for the American Diabetes Association Research Foundation. In March of 2006, John completed hiking the same list of mountains during the winter season, becoming one of only a few hundred to do so. His peak-bagging continues as Sherpa has completed the list of 48 peaks a subsequent five additional times and is also the youngest person to ever complete The Trailwrights 72 Peak-bagging list; and the only person under 50 years of age to have done so.

In 2005, Sherpa John entered the world of endurance running, completing his first marathon at the Vermont City Marathon in Burlington, VT. Two short months later, he completed his first 50 Kilometer Ultra-marathon at The Damn Wakely Dam Ultra in Upstate New York. Since then, Sherpa John has completed dozens of Ultra-Distance events across the country ranging anywhere from 1 Mile to 125 Miles; all the while raising thousands of dollars for various charitable causes included The American Diabetes Association, The LiveStrong Foundation, Conservation New Hampshire, The Seacoast Science Center and The Make-A-Wish Foundation of New Hampshire.

In 2008, Sherpa John became the first person in history to run non-stop across New Hampshire's widest points (RANH); 125 Miles from the western-most point to the eastern-most point. He then repeated the journey in 2009. To date, he remains the only individual to have done so. Sherpa is also the former race director and founder of The New England Ultras 200 Mile Run (Now the McNaughton in Vermont Peak.com Race) North America's First Ever 200 Mile Trail Race.

John graduated from The University of New Hampshire with a Bachelors of Science in Kinesiology: Outdoor Education; with a concentration in Hospitality/Recreation Management. He has worked as a Professional Outdoor Guide in Boulder, CO where he led various adventure activities and facilitated Corporate Adventure Training experiences. John's clientele has included, New England Patriot Tedy Bruschi, local and national professional and collegiate teams and organizations, as well as a collection of Fortune 500 Companies. He currently owns Human Potential LLC.

His current research is focused on outdoor pursuits for the visually impaired, The Human Potential Movement, as well as exploring endurance events as a way to educate. As a philanthropist he has raised over $40,000 for charitable organizations, on a local and national level, and he continues to inspire through his various endeavors.

Sherpa John has been featured on WMUR TV's News Magazine: NH Chronicle as well as WMUR News 9. He has also appeared in various publications including Ultrarunning Magazine, The Manchester Union LeaderThe New Hampshire Sunday News, Nutfield Times, The New Hampshire, The UNH Campus Journal, The Derry News, The Portsmouth Herald, Fosters Daily Democrat, The Boston Globe-North Edition, New Hampshire Public Radio's Morning Edition and National Public Radio's Weekend America.

Sherpa John is sponsored by Mountain Hardwear, Honey Stinger, HeadSweats, Haeleum, and Team Animal Camp.

Sherpa John's Career Highlights
Youngest Finisher in the:
2006 Vermont 50 (VT)
2007 McNaughton Park 100 (IL)
2007 Grand Teton 100 (WY)
2007 and the 2008 Pittsfield Snowshoe Marathons (VT)

2nd Youngest Finisher in the:
2005 Wakely Dam 50K (NY)
2006 Wakely Dam 50K (NY)
2006 Breakers Nifty Fifty Miler (RI)
2007 Pittsfield Peaks Ultra Challenge (VT)
2008 Massanutten Mountain Trails 100 (VA)

Youngest Male finisher of the:
2007 Stonecat Ale 50 Miler (MA)
Noteable Events/Finishes:
2004: Completed Hiking NH's 48 Four Thousand Foot Mountains

2005: Wakely Dam 50K (NY): 7:57 (1st Ultra-Marathon)

2006: Completed Hiking NH's 48 Four Thousand Foot Mountains in Winter
2006: Rachel Carson 35 mi.(PA): 8:04 (3rd Place Finish)

2007: Disney's Goofy Challenge 39.3 mi.(FL): 5:59
2007: McNaughton Park 100 Miler (IL): 34:15 (1st 100 Miler)
2007: PIneland Farms 50K (ME): 5:35 (PR)
2007: Manchester City Marathon (NH): 3:37 (PR)
2007: One of the four to set NEW speed record of New Hampshire's Belknap Range: 8:11

2008: Vermont 50 Miler (VT): 8:58 (PR)
2008: Ran Across New Hampshire width wise 125 Miles - 1st Person Ever: 31:50

2009: Pittsfield Snow Ultra 52.4 Miles: 15:07
2009: Breaks own Belknap Range Record with Two Others. New Time: 6:35
2009: Becomes Youngest Person to Complete The Trailwrights 72 by more than 25 years
2009: Ran Across New Hampshire widthwise 118.48 miles - 2nd Time: 34:26

2010: Finished 1 loop (22 Miles) of the arduous Barkley Marathons Course: 12:25
2010: One of the three individuals to successfully complete the Cross Rivendell Trail in one day. 10:25
2010: 8th Place Overall (50 Starters) - Pittsfield Peaks 54 Miler 11:22
2010: Youngest Entrant in the 2010 Grand Slam of Ultra-Running (DNF @ Leadville)

2011: One of four athletes to start the Peak.com Snowshoe 100 Mile Race (VT): 22:22 (DNF @50K)

2012: Completed Grand Canyon Rim2Rim2Rim (North to South to North): 16:46

2013: Rockin' K 50 Miler: 9:54 (6th Place Finish)
2013: New 100-Mile Personal Best Time of 22:42 at Vermont 100