Skip to content
Triathlon

IRONMAN 70.3 Cartagena29 November 2026 · Cartagena, Colombia

6 weeks to goSold out
The race's own page

Registration as the race's site showed it on 14 October 2026. Check there before you book.

Still taking entries
Train for it

IRONMAN 70.3 BuilderIRONMAN 70.3 · 7 weeks, counted back to race day

From today to race day for a 70.3: CSS swims, tempo rides, a long ride to 3:30 with a run off it, race fuelling rehearsed, a two-week taper.

  • Swim on CSS
  • Ride the power you can run off
  • The long ride, then the brick
  • Taper to race day

Your next 7 days

  • Run · 35 min

    Time trial 3 km

    • Run · 1.5 km · 65% effort (easy)
    • Run · 3 km · 95% effort
    • Run · 1 km · 65% effort (easy)

  • Run · 35 min

    Hills 6 × 60 s

    • Run · 2 km · 65% effort (easy)
    • Run · 6 × 60 s · 92% effort
    • Run · 1.5 km · 65% effort (easy)

  • Swim · 30 min

    Swim · 400 + 200 test

    • Swim · 400 m · 60% effort (aerobic)
    • Swim · 2 × 400 m · 100% effort (vo2)
    • Swim · 200 m · 60% effort (aerobic)

  • Bike · 40 min

    Bike · 20 min test

    • Bike · 2 × 10 min · 60% effort (aerobic)
    • Bike · 20 min · 95% effort (threshold)
    • Bike · 5 min · 60% effort (aerobic)

  • Swim · 50 min

    Swim · 2000 m endurance

    • Swim · 300 m · 60% effort (aerobic)
    • Swim · 2 km · 60% effort (aerobic)
    • Swim · 200 m · 60% effort (aerobic)

  • Run · 40 min

    Easy 5 km + strides

    • Run · 5 km · 65% effort (easy)
    • Run · 4 × 20 s · 95% effort (rep)

  • Bike · 125 min

    Long ride 2:05

    • Bike · 10 min · 60% effort (aerobic)
    • Bike · 115 min · 60% effort (aerobic)

Targets are efforts until your swim and bike tests are in; the first full week opens with them.

In the Phorme app, find IRONMAN 70.3 Cartagena on the globe and tap Train for this. The plan fits your days and your numbers, and moves as you train.

Get the Phorme app

Every race