Harry McCahill surfacing from a competition dive as judges show the white card

British record holder · Ranked freediver · Dominica

Records &
results.

Every depth on this page is an official, judged competition dive. No estimates, no training numbers — only what was earned on the line and given the white card.

Photograph · Allie Reilly
63WORLD
Overall depth ranking
8th
In the world · CNF · 2025
3
British national records · CNF
91m
Deepest competition dive
I · Personal bests

Four disciplines.
One breath each.

Competition personal bests across all four depth disciplines, ratified and current as of the 2026 season. In Constant Weight No Fins — the purest discipline, no propulsion but the body — Harry is the deepest no-fins diver in Britain.

CWT
91m
Constant Weight · with fins
FIM
90m
Free Immersion · pull on the line
CWTB
85m
Constant Weight · bi-fins
CNF
80m
Constant Weight · no fins
II · Records & honours

Earned on the line.

III · By the numbers

Every dive, on the record.

Twenty-eight official, judged competition dives since 2024, the depth climbing season on season. Each point below is a real dive: a white card is clean, amber a penalty, red a disqualification. Hover any point to read the dive.

Depth progression · realised metres Jul 2024 → May 2026 · all disciplines
White card Penalty Disqualified British national record
Recent form

Card record · all-time

white-card rate across official dives

Personal bests vs the world record depth as % of the men's world record
IV · Season by season

A short career,
going deep.

Harry has competed in depth events only since 2024 — a rapid rise from first competition to world ranking and a World Championships place in three seasons.

2026
AIDA Individual Depth World Championships Limassol, Cyprus — qualified by wild card
World Champs
Personal bests deepened to 91 m CWT 91 m · FIM 90 m · CWTB 85 m · CNF 80 m
PB season
2025
Ranked 8th in the world — Constant Weight No Fins Top-ten global CNF placing over the season
World no.8 · CNF
British national record progression — CNF Successive national records on a single breath, no fins
National record
2024
First competition season Began competing in depth — Soufrière Bay, Dominica
Debut
First British national record — CNF Set the British no-fins mark in his debut year
National record
Live ranking Synced from The Freedive Ranking · official athlete profile
View live profile →
World ranking · depth
No.63

United Kingdom · Depth focus · Competing since 2024
Last synced June 2026

CWT91m
FIM90m
CWTB85m
CNF80m

Figures reflect official, judged competition results as ratified on The Freedive Ranking and AIDA International. World ranking position is live and changes through the season.

Next on the line

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