Sailor · 2019–2024

Jack Siefker

lake minnetonka sailing school 420 Laser Radial Handicap

Search sailors · About these ratings

Events: 13
Win rate: 15%
Podium rate: 39%
Typically beats: 36%
Best class ranking: #457

Most successful partnership: Nigel Yu
Biggest lift: Nigel Yu
Longest-running crew: Nigel Yu
Nemesis: Henry Seum
Best day: 11 Aug 2023
Signature result: 1st of 18

Partnerships · 2 sailors

Most successful partnership: Nigel Yu — 2 wins · 5 podiums in 9 events together · 22% win rate

Nigel Yu · Gwyn’s Worst Nightmare, Lets do some boat, Nigel Yu, Spin4L · 420 9events 2 wins together · 5 podiums · 22% win rate · 5 of 39 races won Beat 64% of the fleet together(+18 vs. without) · best 1st · Jul 2021 – Aug 2023
Bridger Goll · Muscrat · 420 1events 0 wins together · 0 podiums · 1 events · 0 of 5 races won Beat 70% of the fleet together · best 4th · Aug 2024 – Aug 2024

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

Rating history

— Helm rating, all classes · - - Crew rating, all classes

Event history · 13

Date	Event	Boat	Class	Role	Finish
1 Aug 2024	2024 Mike Plant Junior Regatta (TCYS)	Muscrat	420	Skipper	4th / 11
11 Jul 2024	2024 Shino Adventure Regatta (TCYS)	Muscrat	420	Skipper	4th / 10
11 Aug 2023	Mike Plant Regatta	The Nige	420	Crew	1st / 14
13 Jul 2023	Shino Adventure Regatta	The nigeeeee	420	Crew	13th / 18
7 Jul 2023	2023 Club 420 Association National Championship	The Nige	420	Crew	112th / 113
15 Jun 2023	Brad Robinson Victory Regatta	Spin4L	420	Crew	5th / 9
28 Jul 2022	Manitou Days TCYS	We Classify as an OPTI	420	Crew	3rd / 10
21 Jul 2022	City of Lakes	Lets do some boat	420	Crew	2nd / 10
23 Jun 2022	Mike Plant Regatta	Gwyn’s Worst Nightmare	420	Crew	3rd / 13
5 Aug 2021	Brad Robinson Victory	TBD	420	Crew	1st / 18
22 Jul 2021	Manitou Days Regatta	Nigel Yu	420	Crew	6th / 10
4 Aug 2020	LMSS Singlehanded Invitational	Jack Siefker	Laser Radial	Skipper	13th / 14
27 Jul 2019	2019 ILYA I.O.D. Championship	Moby	Handicap	Skipper	43rd / 71

Ratings

Class	Rating	Rank	Impact
All classes Crew	174 provisional	#17672 band 9152–31619	—
420 Crew	172 provisional	#457 band 207–960	+9.5
All classes Helm	-85 provisional	#66498 band 47873–77396	—

2 more classes, not yet ranked

Laser Radial · Helm · 15 races, 1 event · rating -189
420 · Helm · 6 races, 2 events · rating 81

Rank among sailors with a substantial record, all time. In brackets, the ranks this rating cannot be told apart from. Impact is the points of fleet beaten that this sailor adds.

Helm and crew

As helm	4 events	0 wins	beats 46%
As crew	9 events	2 wins	beats 64%

How they race

Closer	+10 pts	last race of an event vs. the rest
Comeback	−30 pts	the race after a bottom-half finish
Consistency	37%	100% = the same result every event
Small fleets	66%	of the fleet beaten

Head to head

Helm	Races	W–L
Jack Brellenthin	32	21–11
Henry Seum	21	1–20
Samantha Forgosh	16	10–6
Patrick Levins	15	0–15
Jacob Zils	15	0–15
Cole Barre	15	0–15
Stonewall Anderson	15	8–7
Marley Barrett	15	2–13
Matt Dresen	15	0–15
Max Sigel	15	0–15
Martha Hughes	15	1–14
Kate Ness	15	0–15

Most-beaten opponent: Lillian Kowal (13–2).

Seasons

Year	Events	Wins	Beat
2024	2	0	68%
2023	4	1	45%
2022	3	0	83%
2021	2	1	72%
2020	1	0	8%
2019	1	0	40%

Boats

Muscrat · 420 · 2 events · 2024
The Nige · 420 · 2 events · 2023
The nigeeeee · 420 · 1 events · 2023
Spin4L · 420 · 1 events · 2023
We Classify as an OPTI · 420 · 1 events · 2022
Lets do some boat · 420 · 1 events · 2022
Gwyn’s Worst Nightmare · 420 · 1 events · 2022
TBD · 420 · 1 events · 2021
Nigel Yu · 420 · 1 events · 2021
Jack Siefker · Laser Radial · 1 events · 2020

Where they race

Wayzata, MN · 4 events
Minneapolis, MN · 3 events
White Bear Lake, MN · 2 events
MSC · 1 events
Deephaven, MN · 1 events
East Troy, WI · 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: 174, #17,672.Helm rating across all classes: -85, #66,498. Compiled from public results; not an official ranking.