The Wire
Free running calculators

Marathon Calculators & Running Tools

Marathon ballot odds, qualifying times, race predictions and pace: tools for the whole journey.

Getting In5 toolsBallot odds, qualifying standards, Boston buffers. Training1 toolPredict the result, plan the build. Pace & Time1 toolPace, splits and finish times. Race DaySoonFueling, corrals and race strategy. The MajorsSoonCost, countdowns and comparisons. Fun & ShareSoonNumbers worth sharing.

Getting In

5 tools

The math of getting a bib: marathon ballot odds, major qualifying standards and the buffer you need for Boston.

Training

1 tool

Race time prediction for the build: what your recent results say about your marathon.

Pace & Time

1 tool

Running pace math: min/km and min/mile, splits and finish times for any distance.