Building Tools for Athletes

Hi, I'm
Eike Christian Karbe

I build specialized web applications focusing on performance, endurance sports, and data analysis.

Featured Applications

Gel Calculator

A web application for endurance athletes to calculate personalized energy gel or drink mix recipes.

Endurance Calculator Nutrition
3:40/km

Weight Pace Calculator

A web application to estimate potential running pace improvements based on projected weight loss.

Running Performance Analytics

Prevent Pain

WIP web application for interactive pain locating and exercise recommendations.

Running Rehab Strength

RaceSafe

An offline-first, client-side safety planner for trail and ultra-runners to compute elevation-adjusted arrival windows and coordinate checkpoints.

Running Safety Offline GPX