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Armstrong vs Berkoff

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GOAT verdictgoatrank.world
ArmstrongWinner
79.5

Armstrong wins: Peak

Berkoff
79.1

Berkoff wins: no category outright

Candidates
Locked to Swimming

Shareable URL · /compare/hunter-armstrong-vs-katharine-berkoff

Time range

Showing full careers. Pick a window to recalculate the selected period.

Category radar

Verdict

Weighted GOAT score
🇺🇸 Hunter Armstrong
79.5

Armstrong leads in 5 of 5 weighted categories. Olympic relay champion and former 50 m backstroke world record holder.

1. Hunter Armstrong
79.5
2. Katharine Berkoff
79.1

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
1. 🇺🇸 Katharine Berkoff5 seasons played · career day 1,825137.7 major golds
Setting the pace at this stage
2. 🇺🇸 Hunter Armstrong5 seasons played · career day 1,825120.3 major golds
-12.6% vs Berkoff at the same stage
Ghost race · career day30100365100018253650
🇺🇸 Armstrong0024.548.7120.31168.41
🇺🇸 Berkoff0027.955.6137.7192.12

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.

MetricArmstrongActiveBerkoffActive
Olympic golds1
World Championship golds43
World records1
50 m backstroke best23.7127.12
Olympic Games21
Olympic medals2
NCAA titles5
Dominance w25%7676
Peak w20%9088
Longevity w20%6666
Honours w20%8282
Statistics w15%8686

Fan vote — data vs the people

GOAT Rank · the data
Armstrong79.5
Berkoff79.1
The people
Armstrong
Berkoff

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Make your case for Armstrong vs Berkoff. The scoring is published in full — if you can point at the pillar or the weight you disagree with, we read it. Read the methodology paper.

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