The Oldenburger Bärentriathlon takes place in late August in Bad Zwischenahn, a spa town in Lower Saxony, Germany. Racing starts in the morning near Unter den Eichen. The event offers multiple race distances: a children's triathlon, sprint and Olympic-distance races for adults, and relay options for teams.
The sprint and Olympic courses include asphalt paths through parkland and natural surroundings near Bad Zwischenahn, with spectators anticipated along the routes. The event typically attracts 500 to 1,000 participants, positioning it as a well-attended local competition. Information on results, start lists, photos, and registration is available on the organizer's website. The event's history dates back to at least 2017.