IRONMAN 70.3 Oceanside takes place on Sat, Apr 3, 2027 in Oceanside, United States. The main route is 113 km.
- Date
- Sat, Apr 3, 2027
- Start
- Oceanside 🇺🇸
- Distance
- 113 km
- Level
- Mixed field
Your 24-week plan to IRONMAN 70.3 Oceanside
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
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The course includes a swim in the protected harbor, a bike leg through Camp Pendleton, and a run alongside the Pacific Ocean to the Strand finish.
Your road to race day
Race day at IRONMAN 70.3 Oceanside is 24 weeks away. This is how a coach divides that time. The first phase starts now.
01Base12 weeks · Oct 18, 2026 – Jan 9, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Jan 10, 2027 – Feb 20, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Feb 21, 2027 – Mar 13, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Mar 14, 2027 – Mar 27, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Mar 28, 2027 – Apr 3, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is IRONMAN 70.3 Oceanside?
IRONMAN 70.3 Oceanside takes place on Sat, Apr 3, 2027 in Oceanside, United States.
How long is IRONMAN 70.3 Oceanside?
The main route is 113 km.
Who is IRONMAN 70.3 Oceanside for?
IRONMAN 70.3 Oceanside has a mixed field of professional and amateur participants.
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