Changes

<ref name="BumanBrewer2008">{{cite journal|last1=Buman|first1=Matthew P.|last2=Brewer|first2=Buman, Britton W.|last3=Cornelius|first3=Brewer, Allen E.|last4=Van Raalte|first4=Cornelius, Judy L.|last5=Petitpas|first5=Van Raalte, Albert J.|title=Petitpas, Hitting the wall in the marathon: Phenomenological characteristics and associations with expectancy, gender, and running history|journal=, Psychology of Sport and Exercise|, volume=9|, issue=2|year=, 2008|, pages=177–190|, ISSN [http://www.worldcat.org/issn=/14690292 14690292|], doi=[http://dx.doi.org/10.1016/j.psychsport.2007.03.003 10.1016/j.psychsport.2007.03.003}}]</ref><ref name="Higdon">{{Cite book | last1 = Higdon | first1 = Hal. | title = Higdon, Marathon : the ultimate training guid | , 2005 !!date = 2005 | !!, Rodale !!publisher = Rodale | location = !!, Emmaus, Penn. | !!location!!, isbn = 1-59486-199-4 | pages = }}</ref><ref name="Slovic-1977"> {{Cite journal | last1 = Slovic | first1 = P. | title = Slovic, Empirical study of training and performance in the marathon. | journal = , Res Q | , volume = 48 | , issue = 4 | , pages = 769-77 | month = , Dec | year = 1977 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/271323 271323 }}]</ref><ref name="BumanBrewer2009">{{cite journal|last1=Buman|first1=Matthew P.|last2=Brewer|first2=Buman, Britton W.|last3=Cornelius|first3=Brewer, Allen E.|title=Cornelius, A discrete-time hazard model of hitting the wall in recreational marathon runners|journal=, Psychology of Sport and Exercise|, volume=10|, issue=6|year=, 2009|, pages=662–666|, ISSN [http://www.worldcat.org/issn=/14690292 14690292|], doi [http://dx.doi=.org/10.1016/j.psychsport.2009.04.004 10.1016/j.psychsport.2009.04.004}}]</ref><ref name="McKelvie-1985">{{Cite journal | last1 = McKelvie | first1 = SJ. | last2 = Valliant | first2 = McKelvie, PM. | last3 = Asu | first3 = Valliant, ME. | title = Asu, Physical training and personality factors as predictors of marathon time and training injury. | journal = , Percept Mot Skills | , volume = 60 | , issue = 2 | , pages = 551-66 | month = , Apr | year = 1985 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/4000875 4000875 }}]</ref><ref name="Fredericson-2007">{{Cite journal | last1 = Fredericson | first1 = M. | last2 = Misra | first2 = Fredericson, AK. | title = Misra, Epidemiology and aetiology of marathon running injuries. | journal = , Sports Med | , volume = 37 | , issue = 4-5 | , pages = 437-9 | month = , | year = 2007 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/17465629 17465629 }}]</ref><ref name="Dolgener-1994">{{Cite journal | last1 = Dolgener | first1 = FA. | last2 = Kolkhorst | first2 = Dolgener, FW. | last3 = Whitsett | first3 = Kolkhorst, DA. | title = Whitsett, Long slow distance training in novice marathoners. | journal = , Res Q Exerc Sport | , volume = 65 | , issue = 4 | , pages = 339-46 | month = , Dec | year = 1994 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/7886283 7886283 }}]</ref><ref name="Walter-1989">{{Cite journal | last1 = Walter | first1 = SD. | last2 = Hart | first2 = Walter, LE. | last3 = McIntosh | first3 = Hart, JM. | last4 = Sutton | first4 = McIntosh, JR. | title = Sutton, The Ontario cohort study of running-related injuries. | journal = , Arch Intern Med | , volume = 149 | , issue = 11 | , pages = 2561-4 | month = , Nov | year = 1989 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/2818114 2818114 }}]</ref><ref name="Lysholm-">{{Cite journal | last1 = J. Lysholm | first1 = , J. | last2 = Wiklander | first2 = J. | title = , Injuries in runners. | journal = , Am J Sports Med | , volume = 15 | , issue = 2 | , pages = 168-71 | month = | year = | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/3578639 3578639 }}]</ref>

<ref name="WaltzBook">{{Cite book | last1 = Grete Waitz | first1 = Grete | last2 = , Gloria Averbuch | first2 = Gloria | title = , Run your first marathon : everything you need to know to reach the finish lin | , 2010 !!date = 2010 | publisher = !!, Skyhorse Pub. | location = !!publisher!!, New York | !!location!!, isbn = 1-61608-036-1 | pages = }}</ref>

<ref name="Dudley-1982">{{Cite journal | last1 = Dudley | first1 = GA. | last2 = Abraham | first2 = Dudley, WM. | last3 = Terjung | first3 = Abraham, RL. | title = Terjung, Influence of exercise intensity and duration on biochemical adaptations in skeletal muscle. | journal = , J Appl Physiol | , volume = 53 | , issue = 4 | , pages = 844-50 | month = , Oct | year = 1982 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/6295989 6295989 }}]</ref><ref name="Terjung-1976">{{Cite journal | last1 = Terjung | first1 = RL. | title = Terjung, Muscle fiber involvement during training of different intensities and durations. | journal = , Am J Physiol | , volume = 230 | , issue = 4 | , pages = 946-50 | month = , Apr | year = 1976 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/178189 178189 }}]</ref><ref name="Powers-1994">{{Cite journal | last1 = Powers | first1 = SK. | last2 = Criswell | first2 = Powers, D. | last3 = Lawler | first3 = Criswell, J. | last4 = Ji | first4 = Lawler, LL. | last5 = Martin | first5 = Ji, D. | last6 = Herb | first6 = Martin, RA. | last7 = Dudley | first7 = Herb, G. | title = Dudley, Influence of exercise and fiber type on antioxidant enzyme activity in rat skeletal muscle. | journal = , Am J Physiol | , volume = 266 | , issue = 2 Pt 2 | , pages = R375-80 | month = , Feb | year = 1994 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/8141392 8141392 }}]</ref>

<ref name="Warhol-1985"> {{Cite journal | last1 = Warhol | first1 = MJ. | last2 = Siegel | first2 = Warhol, AJ. | last3 = Evans | first3 = Siegel, WJ. | last4 = Silverman | first4 = Evans, LM. | title = Silverman, Skeletal muscle injury and repair in marathon runners after competition. | journal = , Am J Pathol | , volume = 118 | , issue = 2 | , pages = 331-9 | month = , Feb | year = 1985 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/3970143 3970143 }}]</ref><ref name="Midgley-2007"> {{Cite journal | last1 = Midgley | first1 = AW. | last2 = McNaughton | first2 = Midgley, LR. | last3 = Jones | first3 = McNaughton, AM. | title = Jones, Training to enhance the physiological determinants of long-distance running performance: can valid recommendations be given to runners and coaches based on current scientific knowledge? | journal = , Sports Med | , volume = 37 | , issue = 10 | , pages = 857-80 | month = , | year = 2007 | doi = | , PMID = [http://www.ncbi.nlm.nih.gov/pubmed/17887811 17887811 }}]</ref><ref name="QuinnManley2012">{{cite journal|last1=Quinn|first1=Timothy J.|last2=Manley|first2=Quinn, Michelle J.|title=Manley, The impact of a long training run on muscle damage and running economy in runners training for a marathon|journal=, Journal of Exercise Science & Fitness|, volume=10|, issue=2|year=, 2012|, pages=101–106|, ISSN [http://www.worldcat.org/issn=/1728869X 1728869X|], doi=[http://dx.doi.org/10.1016/j.jesf.2012.10.008 10.1016/j.jesf.2012.10.008}}]</ref>