Prior to his time at USA Track and Field, Polk spent seven years on collegiate cross country and track and field staffs across the country including:
-3 years as Head Cross Country Coach/Assistant Track & Field Coach at Elon University
-3 years as Assistant Track & Field Coach at Grand Valley State University
-1 year as Graduate Assistant Track & Field Coach at John Carroll University.
During his three seasons at the helm of Elon's cross country program, Polk guided the Phoenix to 12 all-conference accolades, three consecutive men’s Colonial Athletic Association individual champions, and the program’s first ever All-American in Luis Vargas.
During the track and field season, Polk had four harriers receive All-CAA honors as the Phoenix defended its league championship by scoring 193 points, the most ever by the program at a championship meet.
In 2014, Polk also guided Luis Vargas to the finest season of any Elon cross country runner in program history. Vargas became the program's first-ever All-American after finishing in the top-25 at the NCAA Championships. Prior to the NCAA Championship meet, Vargas was undefeated in his six races and earned the CAA Men's Cross Country Championship, the league's Cross Country Athlete of the Year and the NCAA Southeast Region Athlete of the Year.
A three-time All-American runner and national champion at Grand Valley State University in Allendale, Mich., Polk spent three seasons (2011-13) as the assistant cross country and track and field coach at GVSU. During his tenure at Grand Valley, Polk helped 43 runners earn All-American accolades and set numerous NCAA and school records.
Polk guided the GVSU women’s cross country team to back-to-back national championships at the Division II level in 2012 and 2013, in addition to leading the Lakers women’s indoor and outdoor track and field teams to national titles in 2012. Polk helped Rachel Patterson set the NCAA meet record in the 5,000-meter event with a time of 16:07.28, in addition to guiding the distance medley relay team to an NCAA record time of 11:23.35. Polk also helped Betsy Graney record a time of 9:53.85 in the 3,000-meter steeplechase – an NCAA Division II record.
Prior to returning to his alma mater as an assistant coach, Polk ran professionally at ZAP Fitness from 2009 to 2010 in addition to serving as a graduate assistant for the John Carroll University track and field team in 2011. Polk also worked in various capacities for Nike and USA Track & Field.
As an athlete at GVSU, Polk was a three-time NCAA Division II All-American, the lead off leg for the National Championships Distance Medley Relay team in 2008, and held GVSU school records in the 1,500 and 10,000 meters.
The Indianapolis native has coached a combined 44 All-Americans at the DI and DII levels, holds USATF Level I, II, and III coaching certifications, and is a Certified Strength and Conditioning Specialist (CSCS).
He earned a bachelor’s degree in business economics from Grand Valley State University in 2008.
Polk and his wife Tauri have a daughter, Mairin.