IRONMAN 70.3 Bolton takes place on Sun, Jun 6, 2027 in Bolton, United Kingdom. The main route is 113.1 km.
- Date
- Sun, Jun 6, 2027
- Start
- Bolton 🇬🇧
- Distance
- 113.1 km
- Climbing
- 840 m
- Level
- Open to all
Your 35-week plan to IRONMAN 70.3 Bolton
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.
Build my planFree to start · No credit card
Race IRONMAN 70.3 Bolton with a swim in Pennington Flash Country Park, a bike ride through various villages, and a run around Bolton Town Centre and Queen's Park.
What this race demands
IRONMAN 70.3 Bolton requires sustained pacing across a 113.1 km triathlon format encompassing a swim, bike ride, and run.
Multisport transition
Athletes must manage pacing and physiological shifts across three distinct disciplines: swimming, cycling, and running.
Endurance capacity
Covering the 113.1 km total distance demands significant aerobic capacity and muscular endurance over several hours of continuous effort.
Aim for 60 to 90 grams of carbohydrates per hour to maintain energy output throughout the duration of the event.
Your road to race day
Race day at IRONMAN 70.3 Bolton is 35 weeks away. This is how a coach divides that time. The first phase starts now.
01Base23 weeks · Oct 5, 2026 – Mar 14, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Mar 15, 2027 – Apr 25, 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 · Apr 26, 2027 – May 16, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · May 17, 2027 – May 30, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · May 31, 2027 – Jun 6, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is IRONMAN 70.3 Bolton?
IRONMAN 70.3 Bolton takes place on Sun, Jun 6, 2027 in Bolton, United Kingdom.
How long is IRONMAN 70.3 Bolton?
The main route is 113.1 km.
What does IRONMAN 70.3 Bolton demand?
IRONMAN 70.3 Bolton requires sustained pacing across a 113.1 km triathlon format encompassing a swim, bike ride, and run.
How much climbing does IRONMAN 70.3 Bolton have?
IRONMAN 70.3 Bolton has 840 m of climbing.
Who is IRONMAN 70.3 Bolton for?
IRONMAN 70.3 Bolton is open to all participants.
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