01Cher River, historic full swim
Swim 3.8 km with long-course restraint
A single rectangular loop in the calm Cher River gives a controlled opening. Settle into a pace you can hold for the full 3.8 km, not one you're chasing from the gun.
Settle by 400 m. Breathe on a fixed pattern.
02Tours transition near Parc des Expositions
Leave T1 ready for an entire day
The course opens onto genuinely flat, fast roads past the Loire Valley's vineyards and landmarks. This is exactly where it's easiest to overspend on a course that lets you.
Cap power in the opening kilometres. Fuel early, while it's easy.
03Coteaux-sur-Loire, prior bike approach
Keep power sensible through the countryside
The middle of the ride passes the Château d'Ussé and more of the Touraine countryside. Hold your planned effort regardless of how easy the flat roads make it feel to go faster.
Ride to power, not to how good it feels. Stay on your fuelling schedule.
04Loire Valley riding, middle full-distance stage
Fuel for hours rather than for a fast split
As the flat course closes back towards Tours, shift focus to the three-loop run ahead. Finish planned nutrition and let cadence rise before the indoor transition.
Finish the planned bottle. Let cadence rise before T2.
05Loire countryside, full bike return
Protect the marathon before T2
The run leaves the indoor transition for the first of three 14 km loops along the Cher. Use this loop to convert bike legs into running legs, especially if the bike felt easier than planned.
Shorten stride out of T2. Check effort against your opening cap.
06Cher riverbanks, 2026 marathon setting
Begin the full run with patience
Passing back through the finish-line arena without stopping is the hardest moment of this run. Use it as an honest checkpoint on loop one's effort before committing to loop three.
Compare loop two's pace to loop one's. Resist the arena's pull to finish early.
07Île Balzac, previous run context
Finish the historical full-distance scenario, not an unannounced future event
The final loop is where a disciplined bike and two honest run loops pay off. If the day has gone to plan, decide deliberately whether to push. If it hasn't, protect the finish.
Make the push decision after loop two, not mid-loop. Save something for the indoor finish.