https://www.runnersworld.com/advanced/a20786302/cross-country-nutrition/
https://www.runnersworld.com/advanced/a20812277/nutrition-guide-for-high-school-runners/
http://captainshreveathletics.com/uploadedfiles/files/1347294405nutrition[1].pdf
https://www.runnersworld.com/news/a20861872/what-are-top-collegiate-programs-feeding-their-runners/