By Limitless LL

Limitless Bike Strategy

Ironman Bike Pacing Strategy

Upload your bike course, enter your FTP and target intensity, and create a smart pacing plan for the Ironman bike leg.

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1. Upload Bike Course

GPX supported. FIT and TCX support coming in future versions.

Upload GPX bike course

Using fallback sample course. Upload a GPX file to replace it.


Sample Ironman-style course
Demo course
Sample
—km
—m
—m
—m
—m
—terrain based
Elevation profile · coloured by intensity

Terrain-based segments. Watts are shown over the mountain profile.

<75%75–85%85–90%90–95%>95%

2. Athlete & Ironman Intensity

Target Ironman IF0.70

0.80–0.90 is very aggressive and mainly useful for testing scenarios, not normal Ironman pacing.

—FTP × IF
—target W/kg
—scenario adjusted
—weighted
—approximate
—marathon risk

3. Pacing Scenarios

4. Terrain Segments

Simplified stable version: the track is divided by terrain changes, then very short sections are merged.

SegKmElev +/-GradientTypePower%FTPSpeedTimeCoach note
Limitless LL · Simplified stable MVP