How to load data resource from local-net / in-corporate plain http site?

@tom I understand the need for obersvablehq to only allow HTTPS support but this makes it difficult to fetch() data from sources that don’t always have updated SSL certification’s. For instance what’s the recommended ObservableHQ practice for pulling in this HTML table of marathon results http://www.besttimescct.com/results/marathon-results-by-place-20187.HTML ?