9 tools
Free calculators and planning tools for trail runners and ultra athletes. Analyze your route, check weather conditions along your GPX track, plan run/walk strategy, and prepare for checkpoint cutoffs.
Planning
European ultra-trail races on a map....
Planning
Calculate your VDOT, training paces, and...
Planning
Configure your mandatory kit, estimate real...
Route & conditions
Forecast at key route points.
Pacing
Convert trail pace into a flat-ground...
Race strategy
Aid-station times, cut-off buffers, and minimal...
Race strategy
Calculate walking cost and set an...
Route & conditions
Calculate how many "flat km" a...
Pacing
Drop your .fit file from Garmin,...
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