The Complete
Triathlon Blueprint

From Your First Sprint to a Confident 70.3. A practical guide that treats swimming, cycling, running and transitions as one connected sport — with decisions you can test before race day.

Early editorial preview, 4 November 2026. Not a completed paid e-book, personalized coaching or medical advice. The expanded version is still in development.

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CHAPTER 01 / THE BIG PICTURE

Triathlon is one event, not three independent races.

Imagine two athletes on the same course. The first pushes the bike segment to the limit, gains a few minutes and then struggles through the final kilometers of the run. The second cycles a little more conservatively and runs with better control. Who finishes first depends on the complete day, not the bike split alone.

For planning purposes, your total time is:

Swim + T1 + Bike + T2 + Run = Total elapsed race time.

This equation sounds simple. Yet it helps prevent a common planning error: adding three personal bests from separate disciplines, then assuming that result is an achievable triathlon finish.

The swim must leave you ready to ride. The bike must be controlled enough that you can run. The transitions need to be efficient and rule-compliant. Your training and race plan should test these connections.

Make your first realistic estimate

Choose a swim pace per 100 m, an average cycling speed, a run pace per kilometer and estimates for both transitions. Use training values that you can reasonably repeat. Open the TriZentro Race Dashboard, enter them, and save the result on your own device.

Reflection exercise: Which estimate is the least certain? Name one training session or event-specific test that could make it more reliable. Your goal is not to predict the future precisely, but to identify the biggest unknown.

CHAPTER 02 / THE GOAL

Choose a race, then choose what success means.

A Sprint is often 750 m of swimming, 20 km of cycling and a 5 km run. The familiar Olympic format is 1.5 km, 40 km and 10 km. A typical branded 70.3 is approximately 1.9 km, 90 km and 21.1 km. Other event formats exist, and your organizer's actual course distances take priority.

Instead of putting all your hopes on a single finish time, write down three complementary goals.

Process: use pacing you have tested, check the briefing and have equipment ready.
Outcome: aim for a realistic finish range, while accepting uncertainties.
Stretch: a faster outcome only if the day and your preparation genuinely support it.

Try this: write your race name and date, one finish goal, two actions under your control, and one contingency for wind, heat or delays. Then compare a conservative, baseline and faster result in our free 70.3 Race Pack prototype.

CHAPTER 03 / PREVIEW

Swim, bike, run — connected decisions

Swim: practise controlled breathing and safe open-water navigation in appropriate supervised conditions. A calm exit from the water can be worth more than an unsustainable opening effort.

Bike: speed changes with wind and terrain. Focus on controlled effort and a reliable fueling setup rather than chasing an average speed at any cost.

Run: your first kilometers come after two other disciplines. Let the opening effort settle and adapt to the conditions and your training experience.

Transitions: rehearse the sequence, learn the rack layout and follow all equipment and mounting rules. A predictable transition reduces avoidable friction.

Your next action: pick one piece of this race-day sequence that you have not practised. Test it in a safe and suitable session before making your final race plan.

What's planned for the complete edition?

Expanded technique and pacing chapters; practical worksheets; professionally reviewed training and nutrition examples; race-week checklists; and a polished, accessible downloadable format. The present preview is not the finished product, and there is currently no sale or delivery date.