An ultramarathon, also called ultra distance or ultra running, is any footrace longer than the traditional marathon length of 42.195 kilometres. Various distances, surfaces, and formats are raced competitively, from the shortest common ultramarathon of 31 miles (50 km) and up to 3100 miles. World Championships are held by the International Association of Ultrarunners (IAU) for 50 km, 100 km, 24 hours, and ultra Trail running. The Global Organization of Multi-Day Ultramarathoners (GOMU) holds World Championships for 48 hours and 6 days. World Records are ratified and recognized by World Athletics, the IAU, and by GOMU.
Trail running is a type of running that takes place on outdoor trails, often in mountainous terrain, and often includes significant ascents and descents. Trail running is overseen by the International Trail Running Association (ITRA) and includes longer races.
Ann Trason is an American ultramarathon runner from Auburn, California. She set 20 world records during her career. Her world record of 5:40:18 at the 50 mile distance, set in 1991, was unbeaten until 2015. As of her induction into the Ultrarunning Hall of Fame in 2020, she was considered by many to be the most successful female ultrarunner of all time.
The Western States Endurance Run, known commonly as the Western States 100 or Western States, is a 100.2-mile (161 km) ultramarathon that takes place on California's Sierra Nevada Mountains trails each year on the last full weekend of June. Western States is the oldest and one of the most competitive ultramarathons in the United States, and is administered by the nonprofit Western States Endurance Run Foundation.
Scott Gordon Jurek is an American ultramarathoner, author, and public speaker. Throughout his running career, Jurek was one of the most dominant ultramarathon runners in the world, winning the Hardrock Hundred (2007), the Badwater Ultramarathon, the Spartathlon, and the Western States 100 Mile Endurance Run (1999–2005). In 2010, at the 24-Hour World Championships in Brive-la-Gaillarde, France, Jurek won a silver medal behind Shingo Inoue and set a new US record for distance run in 24 hours with 165.7 miles. Jurek has followed a vegetarian diet since 1997, and a vegan diet since 1999.
The Leadville Trail 100 Run is an ultramarathon held annually on rugged trails and dirt roads near Leadville, Colorado, through the heart of the Rocky Mountains. First run in 1983, the race course climbs and descends 15,600 feet (4,800 m), with elevations ranging from 9,200 to 12,620 feet. In most years, fewer than half the starters complete the race within the 30-hour time limit.
The Grand Slam of Ultrarunning is a set of four of the five most prestigious and oldest 100-mile races contested in the United States, comprising the Old Dominion 100 Mile Endurance Run in Virginia, the Western States 100 in California, the Vermont 100 Mile Endurance Run in Vermont, the Leadville Trail 100 in Colorado, and the Wasatch Front 100 Mile Endurance Run in Utah. A small number of people manage to complete four in one calendar year.
Nikki Kimball is an American distance runner specializing in the Ultramarathon. She ran her first 100-mile race at the Western States 100 Mile Endurance Run in 2004, and was the female winner. She was the winning female at Western States again in 2006 and 2007, becoming only the third woman to win Western States three times. In 2014, she won the Marathon Des Sables multi-stage endurance race on her first attempt. Prior to running, her main sport was cross-country skiing. She was crewed at the 2007 Western States by U.S. Senator Max Baucus of Montana, where Kimball lives. She lives in Bozeman, Montana.
Hal Koerner is an American distance runner specializing in ultramarathon running. He is the owner of a specialty running store, Rogue Valley Runners, located in the mountainous Southern Oregon town of Ashland. He is one of the subjects of JB Benna's feature-length documentary "Unbreakable: The Western States 100".
Dane Rauschenberg is an American long-distance runner and author who ran 52 marathons, one every weekend, throughout 2006. He raised over $43,000 for charity, as part of an effort he called "Fiddy2".
Michael Wardian is an American marathoner and ultra-marathoner. He won the 2008, 2009 and 2010 US 50 km championships and the 2011 US 50 mile championship. In 2008, he won the U.S. National 100 km championship. Wardian also is the 2007 JFK 50 Mile winner, and won the National Marathon in Washington, D.C., three consecutive years (2006–2008), and in 2010, 2011 and 2012. He ran in Maldives Addu marathon on June 29, 2018, and got first place and MVR12000. In 2020, Wardian won the Quarantine Backyard Ultra, running nearly 263 miles over the course of 63 hours without sleeping in a repetitive neighborhood loop in Arlington, VA to follow social distancing guidelines during the coronavirus pandemic.
Geoff Roes is an American ultra-marathon runner.
Karl Meltzer is an ultrarunner and ultrarunning coach based in Sandy, Utah. Meltzer has won more 100-mile ultramarathons than any other ultramarathoner, and has held speed records at major U.S. trails, including the Appalachian Trail and the Pony Express Trail. Meltzer's trail runs have been featured in news outlets from Ultrarunning.com to NBC Sports. Meltzer has been a professional ultramarathoner since 1999, and a coach since 2007.
Connie Gardner is an American ultramarathoner and member of the USATF. She has competed in ultramarathons all over the world, and has won 11 USATF national championships. Her ultramarathon victories include the Burning River 100 Mile Trail Race, the Mohican 100 Mile Trail Race, the NorthCoast 24-Hour Endurance Run, the Tussey Mountainback 50 Miler (2011), and the JFK 50 Miler.
GU Energy Labs is a company based in Berkeley, California, that produces sports nutrition products, most notably energy gels. Often consumed during endurance events, the gels are designed to be quickly and easily digested during any type of activity. Other products include energy chews, drink mixes, hydration tablets, stroopwafels and a Roctane line that includes an energy drink mix, protein recovery drink mix, gel, and capsules. The company was founded in 1994 by Bill Vaughan, who began creating an energy gel product in 1990. GU is considered the first major distributor of energy gels. The company has grown over time, and in 2011 its corporate headquarters and 50 employees relocated to a larger space in Berkeley's 4th Street shopping district.
Ellie Greenwood is a Canadian/British ultramarathon runner. She began her ultra career in 2008 and is a two-time 100km World Champion, winning the title in 2010 and 2014. She is the first British or Canadian woman to win the 90 km Comrades Marathon in South Africa.
Harvey Sweetland Lewis is an American ultrarunner.
Kristin "Krissy" Moehl is an American ultramarathon athlete who specializes in trail running. In 2005, Moehl became the youngest woman to complete the Grand Slam of Ultrarunning, which included a gold medal at the Vermont 100 Mile Endurance Run.
Sage Clifton Read Canaday is an American long-distance runner and ultramarathoner.
Junko Kazukawa is a Japanese-born ultrarunner who currently lives in Denver, Colorado, U.S. A two-time breast-cancer survivor, Kazukawa competes in marathon, ultramarathon and cycling events. She was the first person to complete the Leadville series and the Ultrarunning Grand Slam in a single year.
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