https://www.teamunify.com/milsc/UserFiles/Image/QuickUpload/2022-2023-michigan-regional-time-standards_077248.pdf
https://www.teamunify.com/milsc/UserFiles/Image/QuickUpload/2022-2023-michigan-age-group-championship-time-standards_086086.pdf
https://www.teamunify.com/milsc/UserFiles/Image/QuickUpload/2022-2023-michigan-ultra-time-standards_086202.pdf
https://www.teamunify.com/milsc/UserFiles/Image/QuickUpload/age-groups-2024-agmts-001666_013814.pdf
https://www.usaswimming.org/docs/default-source/disabilitydocuments/lsc-para-times-ndc-official.pdf?sfvrsn=6