IronTime Predictor

A calculator for your Ironman total time. Input your discipline times to predict your finish.

Race Configuration

Select a distance, then choose your input method.

Distance

Full Distance

Half Distance

Olympic

Sprint

Hours

Minutes

Seconds

Predicted Total Time

00:00:00

Performance Analysis

See where your times stack up against typical distributions.

Carb Fueling Plan

Estimate your carbohydrate needs for the bike and run based on your times. Assumes Maurten Gels (25g).

Carbs per Hour: 90g

Enter your bike or run time to calculate fueling needs.

Race Pace Planner

Generate a detailed negative-split pace card for race day.

Enter bike or run times to enable the planner.

Blummenfelt-Benchmark

How do you stack up against the "Norwegians"? His record for this distance is 07:25:57.

Enter your times to see the comparison.