What is a Course Record?

A Course Record (CR) is the fastest time achieved on a specific race route. Unlike a World Record (WR), which applies to any certified course of that distance, a CR is unique to the terrain, weather, and turns of one specific event.

Why CRs Matter

Some courses are notoriously "slow" (hilly, windy, or technical) or "fast" (flat and shielded).

• A Course Record is the gold standard for that specific race.
• Breaking a CR often comes with a bonus prize in professional races.

CR vs. WR

• World Record: The fastest 26.2 miles ever run on any record-eligible course (currently 2:00:35 by Kelvin Kiptum).
• Course Record: The fastest 26.2 miles run on this course (e.g., the Boston Marathon CR is 2:03:02).

Factors Affecting CRs

1. Course Changes: If a race changes its route significantly, the old CR is often retired, and a new one starts.
2. Weather: A record might stand for decades if the perfect weather conditions (cool, tailwind) don't repeat.
3. Field Strength: A CR is more likely to fall if a race attracts several world-class elites simultaneously.

A Personal Best is your history. A Course Record is the race's history.