Question:  Tobin Bo Gunnar Gerhart held the Stanford record for most rushing yards in a season until the record was broke by an American football running back holds the NCAA record for what?

full_context: Document 1: Adrian Peterson: Adrian Lewis Peterson (born March 21, 1985) is an American football running back for the New Orleans Saints of the National Football League (NFL). He played college football at Oklahoma and was drafted by the Minnesota Vikings seventh overall in the 2007 NFL Draft. Peterson set the NCAA freshman rushing record with 1,925 yards as a true freshman during the 2004 season. As a unanimous first-team All-American, he became the first freshman to finish as the runner-up in the Heisman Trophy balloting. Peterson finished his college football career as the Sooners' third all-time leading rusher.
Document 2: Matt Asiata: Matt Asiata (born July 24, 1987) is an American football running back who is currently a free agent. He attended Hunter High School and played college football at Utah. Asiata was signed by the Minnesota Vikings as an undrafted free agent. Asiata is tied with a number of other Vikings players for the franchise record of most rushing touchdowns in a single game at three. He achieved this feat three times; once in 2013 and twice during the 2014 season when he started nine games after Adrian Peterson was suspended.
Document 3: Cam Newton: Cameron Jerrell Newton (born May 11, 1989) is an American football quarterback for the Carolina Panthers of the National Football League (NFL). He played college football at Auburn and was drafted as the first overall pick by the Panthers in the 2011 NFL Draft. Newton is the only player in the modern era to be awarded the Heisman Trophy, win a national championship, and become the first overall pick in an NFL draft within a one-year span. He was the 2011 NFL Rookie of the Year, is a three-time Pro Bowler, and was named to the NFL All-Pro First Team in 2015.
Document 4: Todd Gurley: Todd Gurley lI (born August 3, 1994) is an American football running back for the Los Angeles Rams of the National Football League (NFL). He played college football at Georgia where he earned All-SEC honors in 2012 and 2013. Gurley was drafted by the Rams with the tenth overall pick in the 2015 NFL Draft. Despite missing three games due to a torn ACL suffered during his junior year at Georgia, Gurley rushed for 1,106 yards in his rookie season and was voted Offensive Rookie of the Year by the Associated Press.
Document 5: Colin Kaepernick: Colin Rand Kaepernick ( ; born November 3, 1987) is an American football quarterback who is currently a free agent. Kaepernick played college football at the University of Nevada, where he was named the Western Athletic Conference (WAC) Offensive Player of the Year twice and became the only player in NCAA Division I FBS history to amass 10,000 passing yards and 4,000 rushing yards in a career. After graduating, he was selected by the San Francisco 49ers in the second round of the 2011 NFL Draft.
Document 6: Derrick Henry: Derrick Henry (born July 17, 1994) is an American football running back for the Tennessee Titans of the National Football League (NFL). He played college football for the Alabama Crimson Tide, and was drafted in the second round of the 2016 NFL draft by the Titans. In December 2015, he broke Herschel Walker's single season college rushing yards record in the SEC. He won the 2015 Heisman Trophy, as well as the Doak Walker Award, the Maxwell Award, and the Walter Camp Award. Henry also holds the national high school football record for career rushing yards.
Document 7: Garrison Hearst: Gerard Garrison Hearst (born January 4, 1971) is a former running back in the National Football League (NFL) for ten seasons. He played college football for the University of Georgia, and was recognized as an All-American. A first-round pick by the Phoenix Cardinals, he also played professionally for the Cincinnati Bengals, San Francisco 49ers and Denver Broncos of the NFL. He ran for 1,000 yards or more in four different seasons. He was named the NFL Comeback Player of the Year Award in 2001.
Document 8: Toby Gerhart: Tobin Bo Gunnar Gerhart (born March 28, 1987) is an American football running back who is currently a free agent. He was selected by the Minnesota Vikings in the second round of the 2010 NFL Draft. He played college football for Stanford University, and was a unanimous All-American. In 2009 Gerhart won the Doak Walker Award and was the runner-up for the 2009 Heisman Trophy. He received 1,276 points in the Heisman voting, coming in second to Mark Ingram Jr., who received 1,304 points; the 28-point margin was the closest vote in Heisman history. Gerhart had a breakout senior season in 2009, leading all running backs in the nation in rushing yards, touchdowns, and points scored, and setting several Pac-10 and school records. He held the Stanford record for most rushing yards in a season (1,871) until Christian McCaffrey broke it in 2015, but still holds Cardinal records for touchdowns in a season (28), and most touchdowns in a career (44).
Document 9: Edward Cheserek: Edward Cheserek (born 2 February 1994) is a professional runner for Skechers. Edward was a 17 time NCAA champion collegiate distance runner for the University of Oregon. Cheserek was the most highly recruited high school distance runner in the nation out of Saint Benedict's Preparatory School in New Jersey where he was named the Gatorade 2012-2013 National Cross Country Runner of the Year. In 2013, Cheserek became the first freshman in Oregon history to win the NCAA National Cross Country Championships. After repeating as NCAA cross country champion his sophomore and junior years, on November 19, 2016, Cheserek failed in his attempt to become the first collegiate runner to claim 4 NCAA Division I national titles in cross country, coming in third behind Patrick Tiernan of Villanova and Justyn Knight of Syracuse. In total, Cheserek has 17 NCAA National Titles.
Document 10: Billy Sims: Billy Ray Sims (born September 18, 1955) is a former American college and professional football player who was a running back in the National Football League (NFL) for five seasons during the 1980s. Sims played college football for the University of Oklahoma, where he was a two-time consensus All-American, and won the Heisman Trophy in 1978. He was the first overall pick in the 1980 NFL Draft, and played professionally for the NFL's Detroit Lions. Sims was the last Oklahoma player taken Number 1 overall in the NFL Draft until quarterback Sam Bradford was taken first in the 2010 NFL Draft. He was given the nickname "Kung Fu Billy Sims" by ESPN's Chris Berman, after a game where the Detroit Lions played the Houston Oilers. In the NFL Films highlight, rather than be tackled during a rushing attempt, Sims ran at, jumped, and, while fully airborne, kicked Oilers Cornerback Steve Brown in the head.
Document 11: Andrew Luck: Andrew Austen Luck (born September 12, 1989) is an American football quarterback for the Indianapolis Colts of the National Football League (NFL). He played college football at Stanford, where he won the Maxwell Award and Walter Camp Award as college football's player of the year and was twice recognized as an All-American. He was the runner-up for the Heisman Trophy in both 2010 and 2011. He was named the Offensive Player of the Year in the Pac-12 (Pac-10) Conference in both 2010 and 2011. CBS Sports draft analyst Rob Rang called Luck the best prospect he had ever scouted, while the "Kansas City Star" put him in line with LeBron James and Bryce Harper as "the most hyped amateurs in recent sports memory."
Document 12: Carson Coffman: Carson Coffman (born April 29, 1988) is a former professional football quarterback. Coffman was the starting quarterback for the Kansas State Wildcats in 2009 and 2010. He took over the starting position after the departure of Josh Freeman, and again after the departure of Grant Gregory. He is the brother of Cameron Coffman, a 2011 high school quarterback prospect and Chase Coffman, former Missouri standout who formerly played tight end for the Seattle Seahawks and several other NFL teams. Carson is also the son of former Kansas State standout and NFL tight end Paul Coffman.
Document 13: Mark Ingram Jr.: Mark Ingram Jr. (born December 21, 1989) is an American football running back for the New Orleans Saints of the National Football League (NFL). He played college football for the University of Alabama, won the Heisman Trophy, and was a member of a national championship team. The New Orleans Saints chose him in the first round of the 2011 NFL Draft.
Document 14: 2009 All-Pacific-10 Conference football team: The 2009 All-Pacific-10 Conference football team consists of American football players chosen by various organizations for All-Pacific-10 Conference teams for the 2009 Pacific-10 Conference football season. The Oregon Ducks won the conference, posting an 8–1 conference record. Oregon then lost to the Big Ten champion Ohio State Buckeyes in the Rose Bowl 26 to 17. Stanford running back Toby Gerhart was voted Pac-10 Offensive Player of the Year. UCLA defensive tackle Brian Price was voted Pat Tillman Pac-10 Defensive Player of the Year.
Document 15: Christian McCaffrey: Christian Jackson McCaffrey (born June 7, 1996) is an American football running back for the Carolina Panthers of the National Football League (NFL). He played college football at Stanford, and was drafted by the Panthers with the eighth overall pick in the 2017 NFL Draft. As a sophomore in 2015, McCaffrey was the AP College Football Player of the Year and the runner-up for the Heisman Trophy. He holds the NCAA record for most all-purpose yards in a season with 3,864. He is the son of former Stanford and NFL wide receiver Ed McCaffrey and former Stanford soccer star Lisa McCaffrey, who is the daughter of U.S. Olympian Dave Sime.
ground_truth: most all-purpose yards in a season