Sailor · 2014–2024

Hirohisa Kojima

seabornia yacht club association J/24

Search sailors · About these ratings

Events: 4
Win rate: 0
Podium rate: 2
Typically beats: 85%
Best class ranking: #204

Nemesis: Travis Odenbach
Rival: Mike Ingham
Best day: 27 Sep 2024
Signature result: 3rd of 56

Partnerships · 13 sailors

Kohei Ichikawa · GEKKO, Gekko Diana, GEKKO DIANA · J/24 4events 0 wins together · 2 podiums · 4 events · 2 of 36 races won Beat 87% of the fleet together · best 3rd · Sep 2014 – Sep 2024
Shunsuke Mori · Gekko Diana, GEKKO DIANA · J/24 3events 0 wins together · 2 podiums · 3 events · 2 of 26 races won Beat 91% of the fleet together · best 3rd · Oct 2019 – Sep 2024
Gaku Kawamura · GEKKO DIANA · J/24 2events 0 wins together · 2 podiums · 2 events · 1 of 16 races won Beat 96% of the fleet together · best 3rd · Oct 2022 – Sep 2024
Takafumi Miyamoto · GEKKO, GEKKO DIANA · J/24 2events 0 wins together · 1 podiums · 2 events · 0 of 19 races won Beat 85% of the fleet together · best 3rd · Sep 2014 – Sep 2024
Tokuma Takesue · GEKKO · J/24 1events 0 wins together · 0 podiums · 1 events · 0 of 10 races won Beat 74% of the fleet together · best 19th · Sep 2014 – Sep 2014
Toshiki Iwai · Gekko Diana · J/24 1events 0 wins together · 0 podiums · 1 events · 1 of 10 races won Beat 82% of the fleet together · best 15th · Oct 2019 – Oct 2019
Nobuo Nakazawa · GEKKO · J/24 1events 0 wins together · 0 podiums · 1 events · 0 of 10 races won Beat 74% of the fleet together · best 19th · Sep 2014 – Sep 2014
Mika Yamashita · GEKKO DIANA · J/24 1events 0 wins together · 1 podiums · 1 events · 1 of 7 races won Beat 95% of the fleet together · best 3rd · Oct 2022 – Oct 2022
Yojiro Sugiki · GEKKO DIANA · J/24 1events 0 wins together · 1 podiums · 1 events · 1 of 7 races won Beat 95% of the fleet together · best 3rd · Oct 2022 – Oct 2022
Yudai Ishiyama · GEKKO · J/24 1events 0 wins together · 0 podiums · 1 events · 0 of 10 races won Beat 74% of the fleet together · best 19th · Sep 2014 – Sep 2014

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

Rating history

Event history · 4

Date	Event	Boat	Class	Role	Finish
27 Sep 2024	2024 Beecher’s Handmade Cheese J/24 World Championship	GEKKO DIANA	J/24	Crew	3rd / 56
28 Oct 2022	2022 J/24 North American Championship & J/22 East Coast Championship	GEKKO DIANA	J/24	Headsail Trimmer	3rd / 38
22 Oct 2019	2019 J 24 World Championship	Gekko Diana	J/24	Other	15th / 79
23 Sep 2014	2014 J 24 World Championship	GEKKO	J/24	Other	19th / 69

Ratings

Class	Rating	Rank	Adj. ±
All classes Crew	236 provisional	#11902 band 5187–24667	—
J/24 Crew	219 provisional	#204 band 106–362	—

Rank among sailors with ten or more rated races over three or more events, all time. In brackets, the ranks this rating cannot be told apart from. Adj. ± is the adjusted plus-minus in points of fleet beaten.

Helm and crew

As helm	0 events	0 wins	beats —
As crew	4 events	0 wins	beats 87%

Positions: Headsail Trimmer (1)

How they race

Closer	+13 pts	last race of an event vs. the rest
Comeback	+3 pts	the race after a bottom-half finish
Big fleets (25+)	87%	of the fleet beaten

Head to head

Helm	Races	W–L
Al Constants	36	25–11
Travis Odenbach	36	7–29
Mike Ingham	29	12–17
Scott Milne	29	21–8
Tony Parker	27	12–15
Dan Busch	27	20–7
Nicolas Cubria	27	19–8
Aidan Glackin	26	13–13
Carter White	26	17–9
Jasper Van Vliet	26	21–5
James Freedman	26	21–5
Andrew Carey	20	13–7

Most-beaten opponent: Masato Iizuka (18–1).

Seasons

Year	Events	Beat
2024	1	96%
2022	1	95%
2019	1	82%
2014	1	74%

Boats

GEKKO DIANA · J/24 · 3 events · 2019–2024
GEKKO · J/24 · 1 events · 2014

Where they race

Annapolis, MD, USA · 1 events
Newport, RI, USA · 1 events
Miami, FL, USA · 1 events
Corinthian Yacht Club of Seattle - Seattle, WA · 1 events

Is this you?

Claim it to merge duplicates and remove results that aren’t yours. Changes apply at the nightly rebuild.

Crew rating across all classes: 236 (±249), #11,902. Compiled from public results; not an official ranking.