The list below is for the largest margin of victory at Footlocker XC.
Girls
1990: 59 seconds: Melody Fairchild over Jeannie Rothman
2001: 40 seconds: Amber Trotter over Erika Odlaug
1983: 34 seconds: Janet Smith over Melissa Straza
2010: 34 seconds: Aisling Cuffe over Rachel Johnson
1994: 31 seconds: Julia Stamps over Sally Glynn
1997: 29 seconds: Erin Sullivan over Mariel Ettinger
1985: 24 seconds: Erin Keogh over Suzy Favor
1986: 23 seconds: Erin Keogh over Kim Kauls
1991: 22 seconds: Liz Mueller over Amanda White
1984: 16 seconds: Cathy Schiro over Rebecca Chamberlain
1995: 16 seconds: Kim Mortensen over Amy Yoder
1979: 14 seconds: Ellen Lyons over Lynne Strauss
2005: 14 seconds: Jordan Hasay over Marie Lawrence
2002: 13 seconds: Zoe Nelson over Kathleen Trotter
1999: 9 seconds: Victoria Chang over Victoria Jackson
1980: 8 seconds: Ceci Hopp over Lynne Strauss
1987: 8 seconds: Kira Jorgensen over Susan Bliss
2004: 8 seconds: Aislinn Ryan over Marie Lawrence
2007: 8 seconds: Ashley Brasovan over Kathy Kroeger
1989: 7 seconds: Melody Fairchild over Megan Thompson
1998: 7 seconds: Erin Sullivan over Lauren Fleshman
2006: 7 seconds: Kathy Kroeger over Aurora Scott
1982: 4 seconds: Christine Curtin over Michelle Rowen
1988: 4 seconds: Celeste Susnis over Melody Fairchild
1992: 4 seconds: Amanda White over Milena Glusac
1981: 3 seconds: Connie Robinson over Lois Brommer
1993: 3 seconds: Erin Davis over Melissa Lucas
1996: 3 seconds: Kristen Gordon over Katy Radkewich
2000: 3 seconds: Sara Bei over Anita Siraki
2008: 3 seconds: Jordan Hasay over Ashley Brasovan
2003: 1 second: Katelyn Kaltenbach over Marie Lawrence
2009: 0 seconds: Megan Goethals over Chelsey Sveinsson
Boys
2002: 21 seconds: Chris Solinsky over Wesley Smith
2000: 20 seconds: Dathan Ritzenhein over Alan Webb
1984: 17 seconds: Scott Fry over John Trautmann
1991: 15 seconds: Corey Ihmels over Jeffrey Wilson
2009: 15 seconds: Lukas Verzbicas over Matthew McElroy
1982: 14 seconds: Eric Reynolds over Mike Connelly
1995: 12 seconds: Abdul Alzindani over Sharif Karie
1986: 11 seconds: Marc Davis over Todd Williams
1997: 11 seconds: Abdirizak Mohamud over Jorge Torres
2010: 11 seconds: Lukas Verzbicas over Futsum Zeinasellassie
1983: 10 seconds: Matt Giusto over Tracy Garrison
1990: 10 seconds: Louie Quintana over Jason Casiano
1987: 9 seconds: Robert Kennedy over John Sence
1988: 7 seconds: Brian Grosso over Jason DiJoseph
1998: 7 seconds: Jorge Torres over Louis Luchini
2007: 7 seconds: Michael Fout over Christopher Derrick
2008: 7 seconds: Solomon Haile over Trevor Dunbar
1979: 5 seconds: Brent Steiner over Barasa Thomas
1985: 5 seconds: Reuben Reina over Mark Mastalir
1994: 5 seconds: Matt Downin over John Mortimer
1980: 4 seconds: Jay Marden over Jon Butler
1981: 4 seconds: Charles Alexander over Harold Kuphaldt
1992: 4 seconds: Brendan Heffernan over Greg Jimmerson
1999: 4 seconds: Dathan Ritzenhein over Donald Sage
2006: 4 seconds: Chad Hall over Craig Forys
1993: 2 seconds: Adam Goucher over Mebrahtom Keflezighi
1996: 2 seconds: Abdul Alzindani over Sharif Karie
2003: 2 seconds: Matthew Withrow over Galen Rupp
2004: 2 seconds: Kenneth Cormier over Andrew Bumbalough
1989: 1 second: Bryan Dameworth over Andrew Maris
2001: 1 second: Timothy Moore over Bobby Lockhart
2005: 0 seconds: AJ Acosta over Michael Coe