Since beginning in 2004-2005, Mahon has had athletes break five records (women's indoor shot, women's disc, men's discus, men's outdoor and indoor shot; the shot records were set in 1950 by Jim Fuchs and broken in 2007 by John Langhauser). She has also had numerous athletes qualify for the NCAA Regional and National Championships.
Mahon was the 2002 U.S. Indoor and Outdoor Champion with a throw of 23.56 meters in the 20-pound weight and 72.01 meters in the hammer. She broke the American record in the hammer three times in 2002 and held the record until the spring of 2004, when it was broken by Erin Gilreath with a throw of 72.12 meters. Norgren Mahon has been a member of two World Championships Teams (2001, 2003), placing seventh in the Paris World Championships in 2003. She was also a member of the 2004 U.S. Olympic Team in Athens. She has been ranked in the top 12 in the world in the women's hammer for several years, with a high ranking of fifth in 2002. She is a 1996 graduate of the University of Vermont, where she competed in the hammer throw.
Outside of Yale, she has worked as a full time English teacher since 1997, and is now the English Department Chairperson at Amity High School in Woodbridge, Conn. She and her husband have two children: Grace and Lance.