Start here
Start with the decision in front of you.
Choose the goal, protect the runway, or rebuild the week. Each tool makes its assumptions and limits visible.
No goal chosen
Find a finish line
Compare marathon, half marathon, HYROX, 70.3, Ironman, and 100K routes against your real week.
Plan the runway
Training start date
Count backward from race day and compare realistic plan lengths.
The week broke
Plan the comeback
Choose what to keep, move, or drop after missed training without treating lost work as debt.
Browse
18 tools
18 tools shown.
Decision tool
Finish-line selector
Compare the six supported goals using the training you enjoy, your current base, the runway, and your real weekly schedule.
Calculator
Training start date calculator
Count backward from race day, protect enough runway, and choose the plan that fits the goal.
Decision tool
Training comeback planner
Turn a missed session, travel week, illness, or longer break into one conservative next action without cramming lost work.
Calculator
Running pace calculator
Convert distance and time into pace per kilometre or mile and a splits table.
Predictor
Race time predictor
Estimate equivalent 5K/10K/half/marathon times from one known result.
Planner
Marathon fueling planner
Turn a carbohydrate-per-hour target into a schedule you can practise while running.
Calculator
Ironman 70.3 time calculator
Estimate finish time from swim pace, bike speed, run pace, and transitions.
Predictor
HYROX time predictor
Estimate finish time from 1k run splits, stations, and transitions.
Planner
Ironman 70.3 fueling planner
Estimate bike and run totals for carbohydrates, sodium, and fluids.
Planner
Ultra cutoff planner
Compute the minimum average pace and a buffer estimate for a planned pace.
Plan download
Marathon training plan PDF
Download a printable marathon plan as a PDF and CSV spreadsheet.
Plan download
Half marathon training plan PDF
Download a printable half marathon plan as a PDF and CSV spreadsheet.
Plan download
Ironman 70.3 training plan PDF
Download a printable 70.3 plan as a PDF and CSV spreadsheet.
Plan download
Ironman training plan PDF
Download a printable Ironman plan as a PDF and CSV spreadsheet.
Plan download
50K training plan PDF
Download a printable 50K plan as a PDF and CSV spreadsheet.
Plan download
50 mile training plan PDF
Download a printable 50 mile plan as a PDF and CSV spreadsheet.
Plan download
100K training plan PDF
Download a printable 100K plan as a PDF and CSV spreadsheet.
Plan download
100 mile training plan PDF
Download a printable 100 mile plan as a PDF and CSV spreadsheet.
Adaptive AI coach for iPhone
Meet your adaptive AI coach.
Tell your coach what you are training for. It builds the plan, follows the work you complete, and adapts upcoming training when recovery, your schedule, or real life changes.