ultramarathon

Local MCP server exposing your Intervals.icu training data to AI clients (Claude, etc.) — with server-side PMC / cardiac-decoupling math and a Stryd LBSS power extension.

This is a simple open source tool to help ultra marathoners and trail runners plan and pack for their races.

Teaser site for the Pinhoti 100 mile foot race.

Night sky along the VMM 100 — look up from the Hoàng Liên Sơn, make a memory, think bigger.

Local pipeline that turns your Strava training history into a self-hosted ultramarathon training dashboard

Predicting Bob Graham Round finishing times and finding Random Forests to be pretty good

Analysis into ultramarathon results dataset

UltraCrew is a Django web app for ultramarathon crews to track their runners and predict when runners will arrive at aid stations.

A script to scrape the DUV ultramarathon dataset

Self-hosted Garmin LiveTrack ETA dashboard for ultra/trail crews

Grade-adjusted trail-race pacing from a GPX: power-hike-aware splits, self-calibration from your recorded runs, and an honest finish range. Runs entirely in your browser.