Dathan James Ritzenhein is a retired American long-distance runner, and current head coach of the On Athletics Club (OAC). He held the American record in the 5,000 metres (12:56.27) from 2009 to 2010, until it was broken by Bernard Lagat. He is a three-time national cross country champion with wins at the USA Cross Country Championships in 2005, 2008 and 2010. Formerly a Nike athlete for the majority of his professional career, Dathan joined the Hansons-Brooks Distance Project team in 2017. In early May 2020, he announced his retirement from competition. He signed with the Swiss shoe brand On shortly thereafter in June 2020 and currently acts as the coach for the OAC in Boulder, Colorado.
Jordan Melissa Hasay is an American distance runner. She grew up in Arroyo Grande, California, and attended Mission College Preparatory High School in San Luis Obispo. She was unanimously selected 2008 Girls High School Athlete of the Year by the voting panel at Track and Field News. In March 2009, she became the ninth high school athlete and third woman on the cover of Track and Field News magazine. She attended the University of Oregon, where she studied business administration and competed on the cross country and track and field teams earning 18 All-American honors, 2011 Mile and 3,000 meters NCAA titles. Her father was a high school basketball star in Pennsylvania, and her mother was a national level swimmer in her native England. Jordan Hasay is no longer coached by Alberto Salazar due to his suspension.
Shalane Grace Flanagan is an American long-distance runner, Olympic medalist and New York City Marathon champion. She was the first American woman to win the New York City Marathon since 1977. She holds the NACAC area records in both the 10k and 15k road races.
Sally Jepkosgei Kipyego is a Kenyan-born American long- and middle-distance runner. She was the silver medalist in the 10,000 metres at the 2011 World Championships in Athletics and the silver medalist in the same race at the 2012 Summer Olympics in London. She has a personal record of 30:38.35 minutes for that event and her 5000 metres best of 14:30.42 minutes makes her the second fastest Kenyan woman for the distance.
Shannon Solares-Rowbury is an American middle-distance runner from San Francisco, California. After competing collegiately for Duke University, she turned professional in 2007. Rowbury has represented the United States at the 2008, 2012, and 2016 Summer Olympics. She also represented the United States at the World Championships in 2009, 2011, 2013, 2015 and 2017, winning the bronze medal in the 1500 meters in 2009. In 2015, Rowbury helped set the world record with the U.S. team for the distance medley relay event, and set a then-American record for 1500 meters on July 17, 2015, breaking Mary Slaney's 32 year-old mark with a time of 3:56.29.
Molly Huddle is an American long-distance runner who competes in track and cross country running events. She held the American record in the 5000 meters set in 2014 in Monaco (14:42.64), which has since been lowered by Shannon Rowbury and Shelby Houlihan. Huddle held also the American record in the 10,000 meters set at the 2016 Rio Olympics with a time of 30:13.17, which has since been lowered by Alicia Monson.
Sara Hall is a professional American distance runner for ASICS. Hall's personal best time for the marathon is 2:20:32 set at the Marathon Project in Chandler, Arizona on December 22, 2020, making her the third-fastest American woman in history. She is the second-fastest American woman ever to run the half marathon, running 1:07:15 on January 16, 2022–an American record at the time.
Benjamin True is an American track and field and cross-country athlete, who competed for Dartmouth College and currently trains in Hanover, New Hampshire, while competing for Saucony and In the Arena. True was the top American at both the 2011 and 2013 IAAF World Cross Country Championships, as well as the 2011 USATF Road Running Circuit Champion, winning the 5 km and 10 km Road Championships along the way.
Betsy Saina is a Kenyan-American athlete in long distance running. She was born in Kenya and now competes for the United States.
Emily Infeld is an American long-distance runner. She regularly competes in the 5000 m and 10,000 m distances during her professional career; in her college career she regularly competed in the 4 × 800 meter relay and 1500 m on up to 5000 m.
Kellyn TaylornéeJohnson is an American long distance runner.
Aliphine Chepkerker Tuliamuk is a Kenyan-born American long-distance runner. She placed first at the 2020 Olympic Marathon trials in Atlanta and represented the United States at the 2021 Olympic Games in Tokyo, Japan. Tuliamuk has been a world class athlete since placing 9th in 21:09 at 2005 IAAF World Cross Country Championships – Junior women's race. Tuliamuk ran 33:43 to place 15th at 2017 IAAF World Cross Country Championships. Tuliamuk placed 3rd at 2019 Rotterdam Marathon in 2:26:50.
Molly Seidel is an American long distance runner. Seidel represented the United States at the Great Edinburgh Cross Country in 2012, 2013, and 2018. In her first-ever marathon, Seidel placed second at the 2020 U.S. Marathon Olympic Trials. Later, she went on to win the bronze medal in her third career marathon at the 2020 Summer Olympics in Tokyo. At the University of Notre Dame, Seidel was a 4-time NCAA champion, 6-time NCAA All-American, 6-time Atlantic Coast Conference champion and 2016 female ACC Athlete of the Year.
Ray Treacy is a former competitive distance runner and coach of collegiate and professional runners. He began coaching track and field and cross country at Providence College in the U.S. state of Rhode Island in 1984, and became the head coach in 1986.
Joe Klecker is an American long-distance runner. After a successful collegiate career with the Colorado Buffaloes he turned professional in 2020 joining the On Athletics Club coached by Dathan Ritzenhein. Klecker holds personal bests of 3:37.00 for 1500m, 7:34.14 for 3000m, 12:54.99 for 5000m, and 27:07.57 for 10000m, all set as a part of the On Athletics Club
Weini Kelati Frezghi is an Eritrean-born American middle- and long-distance runner. She claimed asylum in the United States in July 2014 and subsequently achieved multiple victories in state- and national-level competitions while attending Heritage High School in Leesburg, Virginia. While competing for the University of New Mexico, Kelati won the 2019 NCAA Division I Cross Country Championships. In June 2021, she became a U.S. citizen and began competing as an American. Kelati set an American record of 1:06.25 for the half marathon in January 2024. She runs professionally for Under Armour on the group Dark Sky Distance.
Alicia Monson is an American long-distance runner who primarily competes in the 5000 meters and 10,000 meters. She holds the North American record over the 5000 m, 10,000 m, and two mile distances, all set as part of the On Athletics Club under coach Dathan Ritzenhein.
Keira D'Amato is an American distance runner. She is the American half marathon record holder with a time of 1:06:37 at the 2023 Gold Coast Half marathon on July 1, 2023. She held the American women's record in the marathon with her time of 2:19:12 at the 2022 Houston Marathon, until Emily Sisson set a new record time on October 9, 2022. She is the world best holder for the women's-only 10-mile distance and a three-time USA Track & Field national champion.
Clayton Young is an American long-distance runner, who competes for Asics. He ran collegiately for Brigham Young University, and won the 10,000 metres at the 2019 NCAA Division I Outdoor Track and Field Championships. He set a personal best of 2:08:00 at the 2023 Chicago Marathon, finishing seventh. Young finished second at the 2024 U.S. Olympic Marathon Trials, qualifying him for the 2024 Paris Olympics.
