These data are associated with the publication: Conklin et al. 2022 Global flyway evolution in red knots Calidris canutus and genetic evidence for a Nearctic refugium Molecular Ecology MEC-21-0736 Sample information: Conklin_REKN_Metadata.xlsx (see also Table S1 in online supplement) VCF file: Conklin_REKN_172_10881 This file contains genotype data for the 172 individuals and 10881 SNPs used, after filtering, for final analyses in the manuscript. The dataset was created by SNPsaurus, LLC, USA, using nextRAD sequencing, as described in the manuscript. The raw short-read sequencing data are available on NCBI: BioProject ID PRJNA799587. For further information, please contact Jesse Conklin at: conklin.jesse@gmail.com