KAILUA, Hawaii — The tight-knit paddling community in Kailua is grieving the sudden passing of Karel Tresnak Jr., a respected leader and celebrated winner of the Moxthedragonrun.

Karel Tresnak Jr.’s unexpected death has left family members, teammates, and fellow watermen in shock. While the exact cause of death has not been publicly disclosed, tributes have poured in from across Hawaii’s paddling and ocean sports communities, honoring a man whose life revolved around the water and the people he inspired.

Known for his strength, discipline, and humility, Tresnak was more than a competitor — he was a mentor and guiding presence for younger paddlers. Friends describe him as someone who led by example, encouraging others to push beyond their limits while remaining grounded in respect for the ocean and for one another.

Winning the Moxthedragonrun was a proud accomplishment, but those closest to him say his greatest legacy lies in the relationships he built and the community he helped strengthen. His leadership extended far beyond race day, as he dedicated time to training, mentoring, and uplifting those around him.

In Kailua, where paddling is both sport and tradition, his loss is being felt deeply. Many have gathered informally along the shoreline to share memories, offer prayers, and reflect on the impact he made in and out of the water.

As the community mourns, Karel Tresnak Jr. is being remembered not only as a champion, but as a beloved friend, mentor, and leader whose wake will continue to ripple through the paddling world for years to come. Funeral and memorial details are expected to be announced by the family.