Winthrop Mayor Dave Trebelhorn on Friday announced that he will be running for re-election this year. He says he is 75% sure at this time that he will run. Trebelhorn is currentlly serving his 3rd term as mayor of Winthrop. The terms run for 2 years. He is a Winthrop native who also served 10 years on the Winthrop City Council, and has been a Sibley Soil and Water Conservation District commissioner for 20 years.