FRAMEWORK 01

IN DEVELOPMENT

ATHLETIC SITUATIONAL AWARENESS

ENDSLEY'S SA MODEL → ENDURANCE SPORT

A direct translation of Endsley's three-level situational awareness model - one of aviation's most robust cognitive frameworks - into endurance sport performance. The first structured attempt to apply human factors SA theory to race execution and in-race decision-making.

Introduces the PACED process as the practical application layer: a five-step cognitive protocol designed to preserve situational awareness under physical load and counteract the decision failures that fatigue produces. Applicable from a 5km parkrun to a full Ironman.

EXPLORE THE MODEL

THE PACED PROCESS

DOWNLOAD REVIEW

THE PROBLEM

In endurance sport, the conventional wisdom is that performance breakdowns happen physiologically - you ran out of glycogen, you bonked, you cramped. But the evidence from human factors research tells a different story. Most late-race collapses are preceded by a series of poor decisions: a pace that was unsustainable but felt manageable, a hydration deficit that accumulated unnoticed, an effort level applied without reference to what remained

The athlete didn't lack fitness. They lost situational awareness. They failed to perceive the right signals, failed to correctly interpret what those signals meant, and failed to project where the current trajectory would end. Aviation identified and named these failure modes 40 years ago. Endurance coaching has yet to build a coherent language for them. ASA is an attempt to change that.

WHY THIS HAPPENS

THREE FAILURE MODES.
ONE ROOT CAUSE.

The SA literature identifies a consistent taxonomy of failure. All three appear in endurance sport with remarkable regularity.

FAILURE MODE 01

THE AWARENESS COLLAPSE

Under significant physical load, the executive functions responsible for self-monitoring, forward planning, and error correction degrade before the athlete is consciously aware of it. You lose the ability to accurately assess yourself at the precise moment accurate self-assessment matters most. The process is gradual, insidious, and almost always invisible to the person it's happening to.

FAILIURE MODE 02

FIXED MENTAL MODELS

Athletes apply static interpretations to dynamic conditions. A heart rate of 165 bpm means something completely different at kilometre 5 than at kilometre 35 of a marathon, in different weather, on different terrain, after different sleep. Without active contextualisation, the athlete reads a number and applies last week's meaning to this week's race. This is the comprehension failure - Level 2 in the Endsley model.

FAILURE MODE 03

LOST PROJECTION

The capacity to ask "if I maintain this effort, what happens in 20 minutes?" collapses earliest under fatigue. Research on dual-task performance under physical load consistently shows that prospective reasoning is the first executive function to degrade - yet it's the one athletes rely on most heavily in the back half of any long-course event. They cannot accurately model their future state at the moment it matters most.

FRAMEWORKS

MODELS & APPLIED FRAMEWORKS

Each framework translates an established body of human factors research into a practical tool for endurance sport. Published as standalone pages with a free downloadable literature review.

ASA

FRAMEWORK 01