Who is better, Arnarson or Phelps?
Michael Phelps leads with a GOAT score of 98.1 against 74.0 for Örn Arnarson — a gap of 24.1 points on GOAT Rank's weighted model.
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Quick answer
GOAT Rank currently ranks Michael Phelps above Örn Arnarson: 98.1 vs 74.0. Michael Phelps leads on Dominance, Honours, Statistics.
How the GOAT Score is calculated →Phelps wins: Dominance, Peak, Longevity, Honours, Statistics
Arnarson wins: no category outright
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Showing full careers. Pick a window to recalculate the selected period.
Phelps leads in 5 of 5 weighted categories.
Cumulative output season by season — the shape of each career against the other.
Setting the pace at age 21
No verified birth date for Arnarson — 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.
| Metric | ArnarsonRetired | PhelpsRetired |
|---|---|---|
| European short course titles | 2 | — |
| European long course medals | 1 | — |
| Icelandic records | 20 | — |
| Olympic Games contested | 3 | — |
| Years at the top level | 12 | — |
| Olympic golds | — | 23 |
| Olympic medals | — | 28 |
| World titles (LC) | — | 26 |
| World records set | — | 39 |
| Olympic Games | — | 5 |
| Golds in one Games | — | 8 |
| Dominance w25% | 66 | 99 |
| Peak w20% | 82 | 100 |
| Longevity w20% | 78 | 93 |
| Honours w20% | 72 | 100 |
| Statistics w15% | 74 | 98 |
Michael Phelps leads with a GOAT score of 98.1 against 74.0 for Örn Arnarson — a gap of 24.1 points on GOAT Rank's weighted model.
Arnarson does not lead any of the five categories; Phelps is ahead or level on all of them.
Both are scored on peak, dominance, honours, statistics, longevity within their sport. Arnarson: 74.0, Phelps: 98.1.
Make your case for Arnarson 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.