How AidSplit builds the plan

AidSplit scores three race-day postures — steady split, cautious start, and run-walk guardrails — against the same input set.

• Steady split gains points when the course and weather are kinder, fueling tolerance is good, and the runner has reliable pacing discipline.
• Cautious start gains points when heat, hills, sparse aid stations, or over-fast starts make patience the smartest way to protect the day.
• Run-walk guardrails gain points when the event is long or harsh enough that deliberate resets are smarter than pretending perfect pacing will happen.

How the confidence score works

The confidence score combines the winning strategy score with the gap over the second option. A narrow lead means you should treat the output as a flexible posture rather than a rigid command.

How the practical plan is assembled

• Phase cues change based on strategy posture and race length.
• Aid-station actions change based on spacing, heat, and what you can carry.
• Fuel timing changes based on race type, tolerance, and the need for caution versus ambition.
• Watchlists surface the biggest ways the plan could fail on race day.

Important limits

AidSplit does not estimate exact pace, diagnose health conditions, or replace coach judgement. It is best used as a race briefing layer on top of your training and event knowledge.