Casas vs Armstrong
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Armstrong wins: Dominance, Peak, Honours
Casas wins: Longevity, Statistics
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Showing full careers. Pick a window to recalculate the selected period.
Category radar
Verdict
Armstrong leads in 3 of 5 weighted categories. Olympic relay champion and former 50 m backstroke world record holder.
Category breakdown
Season form · Form index per season
Career timeline · Form index per season
Cumulative output season by season — the shape of each career against the other.
GOAT pace tracker
Career stage · GOAT pace
Through season 5 · Form index per season| Ghost race · career day | 30 | 100 | 365 | 1000 | 1825 | 3650 |
|---|---|---|---|---|---|---|
| 🇺🇸 Casas | 0 | 0 | 0 | 118.5 | 468.4 | 814.8 |
| 🇺🇸 Armstrong | 0 | 0 | 24.5 | 48.7 | 120.31 | 168.41 |
Careers are aligned at debut, so a rookie's first 5 seasons are measured against the same window in a legend's career — Yamal against Messi at the same age-stage, a tour rookie against Tiger Woods in 1996.
| Metric | CasasActive | ArmstrongActive |
|---|---|---|
| World short-course golds | 3 | — |
| World Championship medals | 3 | — |
| NCAA titles | 2 | — |
| 200 m medley best | 115.3 | — |
| US national titles | 4 | — |
| Olympic golds | — | 1 |
| World Championship golds | — | 4 |
| World records | — | 1 |
| 50 m backstroke best | — | 23.71 |
| Olympic Games | — | 2 |
| Dominance w25% | 74 | 76 |
| Peak w20% | 88 | 90 |
| Longevity w20% | 72 | 66 |
| Honours w20% | 78 | 82 |
| Statistics w15% | 88 | 86 |
Fan vote — data vs the people
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