Straight answers to the questions every triathlete asks
Which race should be your first. What your zones actually are. How much you sweat, what it all costs, and whether the goal fits the week you really have. These are the calculations our coaches do with athletes — worked properly, explained in full, and free to use without an account.
- 12free tools
- 2 minto a result
- Nosign-up needed
- Coachwritten, not scraped
How they work
- 1 Answer a few questions Nothing you need a lab for. Everything is measurable in a normal training week.
- 2 Get the working, not just the number Every result explains what it means, how confident it is, and where it breaks down.
- 3 Take it to a session Each result ends with the Tri Alliance sessions that close the gaps it found.
Start here
You are deciding whether to do this at all, or which race to point at. These answer the "am I ready and what should I enter" questions before you spend a cent.
First Triathlon Decision Engine
Which triathlon should your first one be — and what is actually standing in the way?
The distance to enter first, a readiness score, and the week-by-week roadmap to the start line. Open the tool 3 minSquad & Session Finder
Which sessions are actually for you — and what a realistic week looks like.
The Tri Alliance sessions that fit your level and your week, ranked, with a weekly shape to start from. Open the tool 2 minWeekly Training Hours Planner
Can you actually fit this around your life? Find out before you enter.
Whether your goal fits your week, the hours it really needs, and a phase-by-phase plan to the start line. Open the tool 3 minTrain smarter
The numbers that turn training from "go hard and hope" into a plan. Zones, thresholds and load — the same figures your coach would set.
FTP & Cycling Power Zone Calculator
One test number in. Seven zones and an honest W/kg out.
Your FTP, your watts per kilogram, and all seven power zones ready for your head unit. Open the tool 2 minOpen-Water Readiness Score
Pool fitness is not open-water readiness. Find out which one you have.
A readiness score out of 100, your five weakest skills ranked, and the drills that fix them. Open the tool 2 minCritical Swim Speed (CSS) Calculator
Two time trials in. Every swim pace you need out.
Your CSS pace per 100m, the five training paces built off it, and the sets to swim at each. Open the tool 2 minTraining Load & Injury Risk Checker
Most injuries come from ramping up too fast, not from training too much.
Your acute:chronic workload ratio, whether your ramp is safe, and what next week should look like. Open the tool 2 minHeart-Rate & Pace Zone Calculator
Five zones, from the one number worth testing.
Your five heart-rate zones and five run-pace zones in numbers you can put straight into your watch. Open the tool 2 minFuel & hydrate
What to drink and eat, worked out from your body rather than the label on the gel. Rehearsed in training, never invented on race morning.
Fuel Rehearsal Builder
A practice timeline to test in training — never a race-day prescription.
An hour-by-hour carb, fluid and sodium timeline to test in training before you race it. Open the tool 3 minSweat Rate & Hydration Calculator
Stop guessing at 500ml an hour. Measure what you actually lose.
Your measured sweat rate in litres per hour, your drinking target, and your sodium range. Open the tool 2 minRace day
Splits, pacing and the kit list. What actually happens between the start gun and the finish arch.
Triathlon Gear & Cost Estimator
What a first triathlon actually costs. Usually far less than people assume.
An itemised kit list split into what you must buy, what helps, and what can wait — with real prices. Open the tool 2 minRace Pacing & Benchmark Tool
Your splits, three ways — and where they sit against your age group.
Three pacing scenarios, split by leg, and where your finish time sits in your age group. Open the tool 3 min