Sailor · 2010–2023

Willem Sandberg

tufts university College fleet racing College team racing Vanguard 15

Search sailors · About these ratings

Events: 54
Win rate: 20%
Podium rate: 56%
Typically beats: 76%
Best class ranking: #391
Longest win streak: 19

Most successful partnership: Julie Pringle
Best trio: Julie Pringle & Mara Porter
Biggest lift: Hannah Duggan
Longest-running crew: Mara Porter
Nemesis: Ben Greenfield
Rival: Bradley Milliken
Best day: 6 Apr 2013
Signature result: 1st of 18

Partnerships · 58 sailors

Most successful partnership: Julie Pringle — 4 wins · 8 podiums in 8 events together · 50% win rate

Mara Porter · Tufts University (Jumbos 1), Tufts University (Jumbos 15), Tufts University (Jumbos) · College fleet racing, College team racing 26events 7 wins together · 18 podiums · 27% win rate · 161 of 533 races won Beat 78% of the fleet together(+2 vs. without) · best 1st · Sep 2011 – May 2016
Charles Proctor · Tufts University (Jumbos 1), Tufts University (Jumbos) · College fleet racing, College team racing 18events 6 wins together · 13 podiums · 33% win rate · 139 of 392 races won Beat 78% of the fleet together(+2 vs. without) · best 1st · Oct 2011 – Apr 2014
Elizabeth Keys · Tufts University (Jumbos 1), Tufts University (Jumbos) · College fleet racing, College team racing 15events 4 wins together · 9 podiums · 27% win rate · 102 of 309 races won Beat 75% of the fleet together(−4 vs. without) · best 1st · Oct 2011 – Apr 2014
Hannah Duggan · Tufts University (Jumbos) · College fleet racing, College team racing 11events 3 wins together · 9 podiums · 27% win rate · 63 of 261 races won Beat 87% of the fleet together(+13 vs. without) · best 1st · Mar 2012 – Oct 2013
Dan Nickerson · Tufts University (Jumbos 1), Tufts University (Jumbos) · College fleet racing, College team racing 11events 3 wins together · 6 podiums · 27% win rate · 87 of 237 races won Beat 77% of the fleet together(±0 vs. without) · best 1st · Mar 2012 – Apr 2014
Amelia Quinn · Goose, Tufts University (Jumbos) · College fleet racing, College team racing, J/80 10events 1 wins together · 3 podiums · 10% win rate · 32 of 213 races won Beat 67% of the fleet together(−12 vs. without) · best 1st · Sep 2010 – Mar 2013
Jamie Maffeo · Tufts University (Jumbos 1), Tufts University (Jumbos) · College fleet racing, College team racing 9events 2 wins together · 5 podiums · 22% win rate · 72 of 174 races won Beat 76% of the fleet together(−2 vs. without) · best 1st · Sep 2012 – Apr 2014
David Liebenberg · Tufts University (Jumbos) · College fleet racing, College team racing 8events 2 wins together · 4 podiums · 25% win rate · 25 of 230 races won Beat 75% of the fleet together(−3 vs. without) · best 1st · Mar 2011 – Nov 2013
Julie Pringle · Tufts University (Jumbalaya), Tufts University (Jumbos 1), Tufts University (Jumbos) · College fleet racing, College team racing 8events 4 wins together · 8 podiums · 50% win rate · 57 of 190 races won Beat 87% of the fleet together(+11 vs. without) · best 1st · Apr 2012 – Mar 2014
Sam Madden · Tufts University (Jumbos) · College fleet racing, College team racing 7events 2 wins together · 3 podiums · 29% win rate · 23 of 183 races won Beat 73% of the fleet together(−5 vs. without) · best 1st · Sep 2011 – Apr 2014

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

Rating history

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

Event history · 54

Date	Event	Boat	Class	Role	Finish
20 May 2023	Tufts Alumni Regatta 2023-Larks	Tufts University (Jumbos 21)	College fleet racing	C Skipper (1-14)	4th / 22
24 Sep 2016	2016 Etchells Atlantic Coast Championship/Lobster Bowl Regatta	Aeolus	Etchells	Skipper	21st / 29
28 May 2016	Ryan Richards (Tufts) Alumni Regatta	Tufts University (Jumbos 15)	College fleet racing	B Skipper	3rd / 18
19 Apr 2014	Admiral's Cup	Tufts University (Jumbos)	College fleet racing	B Skipper	3rd / 20
5 Apr 2014	Mystic Lake Team Race Invitational	Tufts University (Jumbos 1)	College team racing	Skipper	1st / 10
29 Mar 2014	2nd Barque Eagle Team Race	Tufts University (Jumbos)	College team racing	Skipper	1st / 8
22 Mar 2014	Admiral Moore Team Race	Tufts University (Jumbos)	College team racing	Skipper	5th / 10
8 Mar 2014	TR Invite	Tufts University (Jumbos 1)	College team racing	Skipper	3rd / 6
1 Mar 2014	Thames River Team Race	Tufts University (Jumbos)	College team racing	Skipper	2nd / 8
14 Nov 2013	Dark of Night Regatta	Tufts University (Jumbos)	College fleet racing	A Skipper	2nd / 19
9 Nov 2013	Hap Moore Team Race	Tufts University (Jumbos)	College team racing	Skipper	8th / 12
2 Nov 2013	Dave Perry Trophy	Tufts University (Jumbos)	College fleet racing	A Skipper	2nd / 16
26 Oct 2013	75th Annual Oberg Trophy	Tufts University (Jumbos)	College fleet racing	B Skipper	7th / 18
20 Oct 2013	Lane Trophy	Tufts University (Jumbos)	College team racing	Skipper	1st / 5
19 Oct 2013	Norman Reid Trophy	Tufts University (Jumbos)	College team racing	Skipper	3rd / 6
5 Oct 2013	Jesuit Open	Tufts University (Jumbos)	College fleet racing	A Skipper	3rd / 15
21 Sep 2013	BC Central Series	Tufts University (Jumbos)	College fleet racing	B Skipper	1st / 17
14 Sep 2013	Pen Bay Open	Tufts University (Jumbos)	College fleet racing	A Skipper	2nd / 18
20 Apr 2013	Thompson Trophy	Tufts University (Jumbos)	College fleet racing	B Skipper	7th / 17
13 Apr 2013	Oberg @ BU by NU	Tufts University (Jumbos)	College fleet racing	A Skipper	1st / 16
6 Apr 2013	Admiral Alymers Trophy	Tufts University (Jumbos)	College fleet racing	A Skipper (9-12)	1st / 12
30 Mar 2013	Mystic Lake Team Race Invitational	Tufts University (Jumbos)	College team racing	Skipper	3rd / 8
23 Mar 2013	Owen / Mosbacher / Knapp Trophies	Tufts University (Jumbos)	College fleet racing	A Skipper	4th / 19
2 Mar 2013	Sharpe Trophy	Tufts University (Jumbos)	College team racing	Skipper	6th / 8
28 Dec 2012	2012 Vanguard 15 Midwinter Championship	1599	Vanguard 15	Skipper	3rd / 28

Ratings

Class	Rating	Rank	Impact
All classes Helm	575	#1193 band 748–1808	—
College fleet racing Helm	544 provisional	#391 band 246–628	+16.9
College team racing Helm	282 provisional	#96 band 28–230	−1
Vanguard 15 Helm	139 provisional	#37 band 15–69	—
All classes Crew	184 provisional	#16564 band 8354–30220	—

3 more classes, not yet ranked

J/80 · Crew · 13 races, 2 events · rating 117
College fleet racing · Crew · 8 races, 1 event · rating 116
Flying Dutchman · Helm · 5 races, 1 event · rating 74

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	51 events	10 wins	beats 77%
As crew	3 events	1 wins	beats 82%

Positions: B Skipper (14) · A Skipper (14) · C Skipper (1-14) (1) · A Skipper (9-12) (1) · B Skipper (1-2) (1) · A Crew (11-18) (1)

How they race

Closer	−3 pts	last race of an event vs. the rest
Comeback	−4 pts	the race after a bottom-half finish
Consistency	60%	100% = the same result every event
Big fleets	59%	of the fleet beaten
Small fleets	76%	of the fleet beaten

Head to head

Helm	Races	W–L
Bradley Milliken	228	136–92
Avery Fanning	161	94–67
Conor Lodge	147	112–35
Timothy Harding	130	91–39
Cameron Fraser	128	75–53
Michael Croteau	127	74–53
Tim Scanlon	126	80–46
Michael Zonnenberg	124	65–59
Connor Corgard	118	56–62
Jack McGuire	115	63–52
Caleb Armstrong	113	74–39
Scott Houck	103	58–45

Most-beaten opponent: Conor Lodge (112–35).

Seasons

Year	Events	Wins	Beat
2023	1	0	86%
2016	2	0	58%
2014	6	2	82%
2013	15	4	78%
2012	14	3	82%
2011	13	2	71%
2010	3	0	75%

Boats

Tufts University (Jumbos) · College fleet racing, College team racing · 39 events · 2010–2014
1599 · Vanguard 15 · 3 events · 2011–2012
Tufts University (Jumbos 1) · College team racing · 2 events · 2014
NED-308 · Flying Dutchman, Portsmouth handicap · 2 events · 2010–2011
Goose · J/80 · 2 events · 2011
Tufts University (Jumbos 21) · College fleet racing · 1 events · 2023
Aeolus · Etchells · 1 events · 2016
Tufts University (Jumbos 15) · College fleet racing · 1 events · 2016
--- · Vanguard 15 · 1 events · 2012
Tufts University (Jumbalaya) · College fleet racing · 1 events · 2012

Where they race

Tufts · 7 events
Coast Guard · 5 events
Boston University · 4 events
Yale · 4 events
Northeastern · 3 events
Fordham · 3 events

Is this you?

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

Helm rating across all classes: 575, #1,193.Crew rating across all classes: 184, #16,564. Compiled from public results; not an official ranking.