PROJECT 171™

PROJECT 171

What is a good UTMB Index?

UTMB has not published a number that counts as a "good" Index. What is published is how the Index is built and what a valid Index unlocks.

UTMB has not published a specific score that counts as "good" — the Index shows your relative performance level, not a pass/fail threshold.

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Official sources

Last checked: 14 October 2026

An independent guide, not affiliated with UTMB. Rules can change — always confirm with UTMB before you register.