How to use
- Enter the inputs.
- Sanity-check the outputs.
- Use the result as a planning anchor, not a promise.
Jump to
Tool
Inputs → outputs
This page is intentionally practical: get numbers first, then read the how-to.
Inputs
- • Plan length (weeks)
- • Race date (YYYY-MM-DD) (optional)
Outputs
- • Printable PDF
- • Editable CSV (spreadsheet)
- • Recommended start date
Export
Print or share the tool
Useful outputs beat generic SEO copy. Print a PDF or share this page before race week.
Tip: print or save as PDF for race week.
Example presets
Prefill with a realistic scenario
Pick an example to prefill the calculator, then tweak inputs for your own training week.
Loading plan downloads…
Quick answers
The 60-second version
Snippet-ready answers to common questions. Use the calculator above for the numbers.
Is a 6-month Ironman plan enough?
It can be if you already have a strong base, but many athletes do better with longer timelines so long rides and bricks are repeatable without breaking recovery.
Should I train by power/HR?
If you have reliable metrics they help, but consistency and sleep still matter most. Avoid chasing numbers on tired weeks.
Is this free?
Yes — download the PDF/CSV and use it as a planning map. The app adds adaptation and decision support when life happens.
Assumptions
What this tool assumes
- • This is a week-by-week plan summary (not a day-by-day calendar).
- • Ironman is an execution problem: pacing + fueling + staying consistent for months.
Limitations
What can break it
- • Does not replace professional medical or injury guidance.
- • If you’re time-limited, choose a longer plan so long rides are repeatable.
Related
Use this with a plan
Coaching beta
Get a plan that adapts to your life.
Join the 26weeks.ai TestFlight beta for adaptive coaching, recovery-aware adjustments, and race-week reminders.
FAQs
Is a 6-month Ironman plan enough?
It can be if you already have a strong base, but many athletes do better with longer timelines so long rides and bricks are repeatable without breaking recovery.
Should I train by power/HR?
If you have reliable metrics they help, but consistency and sleep still matter most. Avoid chasing numbers on tired weeks.
Is this free?
Yes — download the PDF/CSV and use it as a planning map. The app adds adaptation and decision support when life happens.
Keep going
30-Week Ironman Training Plan
A 30-week Ironman training plan with week-by-week structure, bricks, adaptation rules, and built-in fueling tools. Variations are included on one page.
26-Week Ironman Training Plan
A 26-week Ironman training plan with week-by-week structure, bricks, adaptation rules, and built-in fueling tools. Variations are included on one page.
Marathon Races (Directory + Athlete Guides)
Curated marathon race directory with athlete guides. Facts include sources, verification timestamps, and planning tools.
BMW Berlin Marathon 2026: date, registration, course, weather
Athlete guide for BMW Berlin Marathon 2026: date, location, climate context, training timeline, and pacing/fueling tools.
Taper Week Checklist (Arrive Fresh, Not Flat)
A practical taper checklist: what to reduce, what to keep, and what to rehearse so race week is calm and repeatable.
Ironman 70.3 Fueling Planner (Bike + Run Totals)
Compute totals for carbs, sodium, and fluids from your bike/run durations and hourly targets — then practice in training.