Calculate male/female swimming performance for all distances including 400m, 1000m and 1500m. Compare your races against other swimmers the same age. Compete with friends.
swimminglevel.com appears in the published seller files of 1 advertising network. Each row below is that network's own declaration that it is authorised to sell this site's inventory, with the date the relationship first appeared in the record.
Same niche, closest authority score — the competitive set a network would compare swimminglevel.com against.