Maratona Aquática de Jaguaruna

On March 7th, 2027, the Lagoa do Arroio Corrente in Jaguaruna hosts its annual open water marathon. Swimming in this coastal lake requires a focus on steady, rhythmic strokes, as the water conditions are subject to local wind patterns that can create surface chop. Because the event takes place in a closed basin surrounded by shifting dunes, the water remains relatively protected, but swimmers must stay alert to the absence of buoyancy assistance—wetsuits are strictly prohibited to ensure compliance with the organizer's competitive standards. The lake's clear, calm nature in early March makes for a straightforward navigation experience, though athletes should account for potential temperature fluctuations typical of the Southern Brazilian autumn.

Race day logistics

Competition morning begins early, with the concentration area opening at 07:30. The event structure demands strict discipline: participants must attend the briefing for their specific distance, as the race director retains the authority to modify the course if environmental factors, such as wind intensity, compromise athlete safety. A key technical requirement is the management of the electronic timing bracelet; swimmers must return this device at the finish line to claim their medal. Failure to return the chip incurs a fine of 100 BRL, a measure designed to ensure the integrity of the timing equipment across all categories.

Support and safety

While the organization provides standard safety monitoring, athletes opting for individual support—such as a personal kayak or SUP—must register their support crew's details during kit collection. A signed liability waiver is mandatory for these individuals; without it, the swimmer faces automatic disqualification, regardless of the distance completed. This policy ensures that every vessel on the water is accounted for and coordinated with the event's safety plan. The 360-degree visibility around the lake allows spectators to follow the progression of the 4K and 2K swimmers from the shore, maintaining a direct line of sight between the dunes and the buoy lines throughout the morning.