Skip to content

Sailor · 2022–2026

Dermot Flaherty

ffc Flying FifteenHandicapFlyingFifteen Fleet

Search sailors · About these ratings

Events
17

99 races · 12 race wins

Win rate
18%

18% win rate · 3 of 17

Podium rate
47%

8 top-three finishes

Typically beats
70%

of boats faced (range 67%–74%, 445 boats)

Best class ranking
#47

Helm in Flying Fifteen · rating 218

Most successful partnership
Niall O Brien

2 wins · 2 podiums in 3 events together

Biggest lift
Niall O Brien

+19 points of fleet beaten when sailing together

Longest-running crew
Joe McDonagh

Jan 2022 – Jan 2024 · 6 events

Nemesis
Niall O Brien

11–38 head to head in 49 races

Rival
Trevor D'Arcy

22–27 in 49 races

Best day
1 Jan 2026

3-2-2-1-1 · Flying Fiftenn National Championship of Ireland 2026

Signature result
1st of 20

Flying Fiftenn National Championship of Ireland 2026 · Handicap · 1 Jan 2026

Partnerships · 7 sailors

Most successful partnership: Niall O Brien — 2 wins · 2 podiums in 3 events together
  • Joe McDonagh · Friday Feeling, Phoenix · Flying Fifteen, FlyingFifteen Fleet 6events 1 wins together · 3 podiums · 17% win rate · 2 of 34 races won Beat 70% of the fleet together(−6 vs. without) · best 1st · Jan 2022 – Jan 2024
  • Niall O Brien · Checkmate · Flying 15, FlyingFifteen Fleet, Handicap 3events 2 wins together · 2 podiums · 3 events · 8 of 17 races won Beat 89% of the fleet together(+19 vs. without) · best 1st · Jan 2026 – Jan 2026
  • Brendan Donnacha · Inchamakinna · Flying Fifteen 2events 0 wins together · 2 podiums · 2 events · 0 of 12 races won Beat 91% of the fleet together · best 3rd · Jan 2025 – Jan 2025
  • Joe Mc Donagh · Phoenix · Flying Fifteen 2events 0 wins together · 0 podiums · 2 events · 0 of 9 races won Beat 53% of the fleet together · best 7th · Jan 2024 – Jan 2024
  • Brendan Mc Donagh · Inchamakinna, Phoenix · Flying Fifteen, Handicap 2events 0 wins together · 1 podiums · 2 events · 2 of 12 races won Beat 61% of the fleet together · best 3rd · Jan 2024 – Jan 2025
  • Niall O'Brien · 4092 · Flying Fifteen 1events 0 wins together · 0 podiums · 1 events · 0 of 6 races won Beat 83% of the fleet together · best 6th · Jan 2026 – Jan 2026
  • Brendan Mcdonagh · Inchamakinna · Handicap 1events 0 wins together · 0 podiums · 1 events · 0 of 9 races won Beat 75% of the fleet together · best 21st · Jan 2025 – Jan 2025

Lift shows how much better this sailor finishes with that partner aboard.

Rating history

0132263202320242025Helm rating, full-size sailing

Event history · 17

DateEventBoatClassRoleFinish
1 Jan 2026Dun Laoghaire Cup 2026CheckmateFlying 15Crew5th / 13
1 Jan 2026Flying Fifteen National Championships 20264092Flying FifteenCrew6th / 30
1 Jan 2026Flying Fiftenn National Championship of Ireland 2026CheckmateHandicapCrew1st / 20
1 Jan 2026FreshWater KeelBoat RegattaCheckmateFlyingFifteen FleetCrew1st / 6
1 Jan 2025FLYING FIFTEEN NATIONAL CHAMPIONSHIPS 2025InchamakinnaFlying FifteenSkipper3rd / 29
1 Jan 2025Flying Fifteen Northern Championship 2025InchamakinnaFlying FifteenSkipper3rd / 19
1 Jan 2025Results as of 12:34 on August 21, 2025InchamakinnaHandicapSkipper21st / 82
1 Jan 2025Results as of 9:48 on August 15, 2025InchamakinnaHandicapSkipper35th / 65
1 Jan 2024Flying Fifteen East Coast Championships 2024PhoenixFlying FifteenSkipper18th / 29
1 Jan 2024Flying Fifteen Irish Nationals 2024PhoenixFlying FifteenSkipper7th / 19
1 Jan 2024FreshWater OneDesign Keelboat RegattaPhoenixFlying FifteenSkipper3rd / 9
1 Jan 2024Willowbrook Organic Island Farm Flying Fifteen British Isles Championships 2024PhoenixFlying FifteenSkipper3rd / 41
1 Jan 2024Willowbrook Organic Island Farm Flying Fifteen British Isles Championships 2024PhoenixFlying FifteenSkipper17th / 41
1 Jan 2023Dromineer - Sat14th- SUN 15th - OctoberPhoenixFlyingFifteen FleetSkipper1st / 10
1 Jan 2023Flying Fifteen Championship of IrelandPhoenixFlying FifteenSkipper12th / 24
1 Jan 2023Flying Fifteen Championship of IrelandPhoenixFlying FifteenSkipper3rd / 6
1 Jan 2022Dromineer - FRI 14th - SUN 16th - OCTFriday FeelingFlyingFifteen FleetSkipper10th / 19

Helm rating, Full-size sailing: 263, #16,799.Crew rating, Full-size sailing: 300, #8,734. Compiled from public results; not an official ranking.