In the marshlands of the Lake Ladoga Basin, researchers have unearthed remarkably preserved "amber-inscribed" bone skis dating back 4,000 years. These items are linked to ancient Finno-Ugric "First-Ice" festivals, where communal racing across frozen lakes served both as a competitive event and a spiritual petition for safe winter travel and successful hunting during the polar months.
The inscriptions on the bone skis detail lunar cycles and invocations to water spirits, suggesting that the festivals were timed with the first heavy frost of the year. This discovery pushes back the known history of organized winter athletic festivals in Northern Europe by several centuries and highlights the ritualistic importance of the transition into the frozen season for prehistoric hunter-gatherer societies.