90‑Day Blueprint Training Template

Jumpstart Your Triathlon Training — 90‑Day Blueprint

THE 90-DAY TRIATHLON BLUEPRINT

The exact 12-week periodization framework used to take busy 70.3, Ironman, and Xterra athletes from inconsistent training to race-day ready.


Stop Guessing Your 12-Week Race Build

Most age-group triathletes waste the 90 days leading up to an A-race doing random hard sessions, over-training early, and arriving at the start line fatigued.

The 90-Day Stealth Blueprint structures your training into four intentional phases so you hit peak fitness exactly when it counts.


The 4-Phase Progression Framework

PhaseDurationPrimary FocusKey Outcome
Phase 1: Foundation & Aerobic EngineWeeks 1–3Zone 2 capacity, low-drag swim mechanics, mobilityEstablishes durability without joint stress
Phase 2: Power & Sustained TorqueWeeks 4–6FTP over-unders, low-cadence climbing, tempo runsBuilds bike power & leg strength for T2
Phase 3: Race-Specific BuildWeeks 7–9Course-pace simulation, brick workouts, nutrition testingDials in exact race-day execution & pacing
Phase 4: Peak & Sharpened TaperWeeks 10–12Volume reduction, high-intensity sharpers, full recoveryEnsures 100% fresh legs on the start line

How to Get Your Blueprint

Option 1: Free DIY Guide

Get the static PDF breakdown sent straight to your inbox to plan your own workouts.

[ FORM: Enter Your Email to Download the Free 90-Day Blueprint PDF ]


Option 2: Turn It Into a Live Plan (Stealth Core)

£60 / month

Don’t want to manually build this in your calendar? Get this exact 90-day blueprint pre-programmed directly into your TrainingPeaks account, fully calibrated to your individual heart rate, power, and swim pace zones.

  • Custom 90-Day Progression loaded into TrainingPeaks
  • WKO5 data tracking to ensure you don’t over-train
  • Integrated open-water swim workouts & strength protocols
  • Weekly direction & coach support inside the Stealth Skool Squad

[ BUTTON: Lock In Your 90-Day Plan on Stealth Core — £60/mo ]


Built by a BTF Level 3 Coach & Data Specialist

“A 90-day build only works if the stress-to-recovery ratio is balanced. We don’t throw random hours at you—we build maximum adaptation out of 7–10 targeted weekly hours.”

— Nick Harris, Owner & Head Coach (20+ Years Experience, BTF Level 3, IBFI Level 1)


Ready to structure your next 90 days?