Decoupling of Internal and External Workload During a Marathon: An Analysis of Durability in 82,303 Recreational Runners.

"Declarations FundingOpen Access funding provided by the IReL Consortium. The authors received no other funding for this work. Conflicts of interestAuthors BS, EM, SM, BH and DM-P declare that they have no conflicting interests. Availability of dataThe data supporting the findings of the current study are provided by Strava® under a limited research license. The data are thus not publicly available. Requests to access these data should be directed to Strava®. Code availabilityThe code used to analyse the data is available upon reasonable request to Prof. Barry Smyth (barry.smyth@ucd.ie). Ethics approvalThe ethics boards of Auckland University of Technology, University College Dublin, and University of Hertfordshire waived the requirement for ethical approval for the current study. ConsentAn anonymised dataset from Strava® users was provided to the authors under a limited research license. No new data were generated. Authors’ contributionsBS, EM, SM, BH and DM-P designed the study. BS analysed the data and constructed the figures. BS, EM, SM, BH and DM-P interpretated the results, prepared and edited the manuscript, and approved the final version of the manuscript. Conflicts of interest Authors BS, EM, SM, BH and DM-P declare that they have no conflicting interests."

"Funding Open Access funding provided by the IReL Consortium. The authors received no other funding for this work."