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Chart — Top-20 leg advantage

A good run, in team terms, beats the Black Lungs historical average on that leg (leg percentile above the team baseline; higher is faster versus the full field). The Value Added model is the primary performance view: it measures each runner against that team standard on the legs they actually ran. Value Added dashboard

Legs where top-finishing teams separate most from the full-field median split, with year filtering.

Top-20 median advantage by leg

Positive values mean top-20 teams are faster than the full field median.

Comparison group: historical top-20 teams versus all teams in each year. Filter by year to see where separation happened most.