All You Can Row” (AYCR) is an annual long-distance rowing tour on the Rhine, organized by the Karlsruher Rheinklub Alemannia.

The 13th edition took place on Saturday, June 21, 2025. The starting signal was given early in the morning at 5:22 AM, and participants rowed until sunset at 9:35 PM.

The goal of the event is to cover as many kilometers downstream as possible within this time frame—not in competitive mode, but as a shared endurance experience.