Tania Pacev is one of the top female ultrarunners in the U.S. Tania has been a 3-time selection to represent the U.S. on IAU 100Km World Cup teams.

She was named USATF Female Master's Ultrarunner of the Year in 2005. She was also a member of the 2005 World Champion U.S. IAU 100Km World Cup team. Tania was the second overall female at the 2005 World Masters Championships 100Km, where she set an age group course record! On top of her 2005 international racing accomplishments, Tania was the overall female champion for the 2005 Trail Runner Trophy Series in the Marathon & Shorter Division.

In 2006, Tania was the overall female winner of 7 races between the marathon distance and 100Km.