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Gibson vs Phelps

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GOAT verdictgoatrank.world
PhelpsWinner
98.1

Phelps wins: Dominance, Peak, Longevity, Honours, Statistics

Gibson
78.5

Gibson wins: no category outright

Candidates
Locked to Swimming

Shareable URL · /compare/sarah-gibson-vs-phelps

Time range

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

Category radar

Verdict

Weighted GOAT score
🇺🇸 Michael Phelps
98.1

Phelps leads in 5 of 5 weighted categories. 23 Olympic golds across five Games — the most decorated Olympian in history.

1. Michael Phelps
98.1
2. Sarah Gibson
78.5

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

Through age 21 · Form index per season
1. 🇺🇸 Michael Phelps548 major golds
7 seasons by age 21 · 78.3 per season

Setting the pace at age 21

No verified birth date for Gibson — shown in the pro-debut view instead.

Every career is cut at the season the athlete turned 21, so a rookie today is measured against exactly what a legend had banked by the same birthday.

MetricGibsonRetiredPhelpsRetired
World Championship titles1
NCAA titles1
US national medals4
World University Games medals2
Personal best in the 100 fly5,722
Olympic golds23
Olympic medals28
World titles (LC)26
World records set39
Olympic Games5
Golds in one Games8
Dominance w25%7699
Peak w20%86100
Longevity w20%7093
Honours w20%80100
Statistics w15%8298

Fan vote — data vs the people

GOAT Rank · the data
Phelps98.1
Gibson78.5
The people
Gibson
Phelps

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Make your case for Gibson vs Phelps. 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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