Train in the Cold.
Log Every Dip.
AquaLog is a passion project born from the chilling, yet invigorating waters of Marzili, Bern. We help athletes track acclimatization and celebrate the discipline of ice swimming.
Human Performance
Cold water swimming triggers a visceral response known as cold shock. This is not just a recreation; it is a physiological threshold that can be trained.
We introduced the Cold Shock Coefficient (CSC) and the Bio-Adaptation Score to quantify this intensity. Watch your tolerance grow as these metrics track your acclimatization arc swim by swim.
Swiss Cold Water Culture
From the Aare in Bern to the Rhine in Basel, Switzerland has a vibrant ice swimming community. AquaLog aggregates live sensor data from Aare.guru and BAFU to ensure you have the precision metrics you need before the plunge.
The Philosophy
Built by Stefan Asemota, AquaLog treats cold water swimming not as a curiosity, but as a discipline—with its own metrics, community, and aesthetic. Strong privacy and zero data-selling are our core tenets.
Explore FeaturesFuel the Project
AquaLog is a labor of love. Every coffee helps sustain the infrastructure and development of Switzerland's best ice swimming tool.
Buy me a coffeeSafety & Transparency
Privacy: Your data is stored securely and never sold. We only email you for critical account functions.
Safety: Cold water swimming carries risks. This app tracks, but does not advise. Always swim with a partner and consult your doctor.
Operational Data
Water metrics aggregated from Aare.guru and Open Data Basel.