Klüft vs O'Brien
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O'Brien wins: Peak, Longevity, Statistics
Klüft wins: Dominance
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Showing full careers. Pick a window to recalculate the selected period.
Category radar
Verdict
O'Brien leads in 4 of 5 weighted categories. Olympic decathlon champion in 1996 with three world titles.
Category breakdown
Season form · Major golds per season
Career timeline · Major golds 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 · Major golds per season| Ghost race · career day | 30 | 100 | 365 | 1000 | 1825 | 3650 |
|---|---|---|---|---|---|---|
| 🇸🇪 Klüft | 0 | 0 | 0 | 0 | 13,422 | 47,633 |
| 🇺🇸 O'Brien | 0 | 0 | 0 | 0 | 17,170 | 61,099 |
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.
Fan vote — data vs the people
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