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Boat program · J/105

Donkey Jack

Rolf Kaiser · 2009–2026 · USA 27 · USA 26

Events
81

5 wins · 19 podiums

Program rating
468

#19 in class · peak 498

Crew stability
3

sailors aboard for half the events or more

Program MVP
Justin Oberbauer

+8.1 points of fleet beaten vs. the program average, over 15 events

Crew lists exist for 41% of this program’s events; the rest list only the helm.

Results

DateEventHelmFinish
6 Jun 20262026 Encinal One Design InvitationalJustin Oberbauer5th / 23
16 May 2026Elite Fleet RegattaJustin Oberbauer5th / 23
21 Mar 20262026 SYC J/105 J/88 Spring Invitational RegattaJustin Oberbauer5th / 19
8 Nov 2025Sausalito YC/RegattaPRO Winter One DesignJustin Oberbauer10th / 20
11 Sep 20252025 Rolex Big Boat SeriesRolf Kaiser4th / 27
23 Aug 20252025 Phyllis Kleinman SwiftsureJustin Oberbauer1st / 25
9 Aug 2025Summer Keelboat RegattaJustin Oberbauer2nd / 21
17 May 2025Elite Fleet RegattaJustin Oberbauer3rd / 26
5 Apr 20252025 Spring FestJustin Oberbauer4th / 23
15 Mar 20252025 Sausalito Yacht Club J/105 J/88 Spring Invitational RegattaJustin Oberbauer9th / 22
12 Sep 20242024 Rolex Big Boat SeriesJustin Oberbauer3rd / 30
17 Aug 20242024 Phyllis Kleinman Swiftsure RegattaJustin Oberbauer7th / 25
26 Jul 2024Summer Keelboat RegattaJustin Oberbauer11th / 18
21 Jun 2024J/Stop J88, J105 InvitationalJustin Oberbauer3rd / 21
17 May 2024Elite Fleet RegattaJustin Oberbauer4th / 25
14 Sep 20232023 Rolex Big Boat SeriesRolf Kaiser4th / 31
29 Sep 20222022 J/105 North American ChampionshipRolf Kaiser6th / 28
15 Sep 20222022 Rolex Big Boat SeriesRolf Kaiser13th / 29
19 Aug 20222022 Aldo Alessio Race & Phyllis Kleinman Swiftsure RegattaRolf Kaiser9th / 23
13 May 2022Elite Keelboat RegattaRolf Kaiser10th / 23
12 Mar 20222022 Sausalito Yacht Club J/105 J/88 Invitational RegattaRolf Kaiser8th / 22
12 Nov 2021SYC/RegattaPRO Winter One DesignRolf Kaiser16th / 20
16 Sep 20212021 Rolex Big Boat SeriesRolf Kaiser8th / 22
20 Aug 20212021 Aldo Alessio; Phyllis Kleinman Swiftsure Cup; Santa Cruz 27 National ChampionshipRolf Kaiser6th / 14
11 Jun 2021SFYC Knarr and J/105 RegattaRolf Kaiser11th / 20
1 May 20212021 Elite Keel RegattaRolf Kaiser8th / 17
12 Sep 20192019 Rolex Big Boat SeriesRolf Kaiser9th / 23
10 Aug 20192019 Summer Keelboat InvitationalRolf Kaiser4th / 22
1 Jun 2019KNARR AND J/105 REGATTARolf Kaiser8th / 18
18 May 2019Elite Keel RegattaRolf Kaiser5th / 26
13 Sep 20182018 Rolex Big Boat SeriesRolf Kaiser10th / 28
4 Aug 20182018 Summer Keelboat InvitationalRolf Kaiser7th / 23
14 Sep 20172017 Rolex Big Boat SeriesRolf Kaiser9th / 24
5 Aug 20172017 Summer Keelboat InvitationalRolf Kaiser1st / 20
22 Jul 20172017 J-105 Invitational RegattaRolf Kaiser3rd / 20
10 Jun 2017June Invitational RegattaRolf Kaiser8th / 18
29 Apr 20172017 Resin RegattaRolf Kaiser2nd / 21
15 Sep 20162016 Rolex Big Boat SeriesRolf Kaiser6th / 26
23 Jul 20162016 J-105 Invitational RegattaRolf Kaiser6th / 19
18 Jun 2016June Invitational RegattaRolf Kaiser6th / 20
2 Apr 20162016 Resin RegattaRolf Kaiser3rd / 23
5 Mar 2016Spring One DesignRolf Kaiser1st / 21
17 Sep 20152015 Rolex Big Boat SeriesRolf Kaiser7th / 27
15 Aug 2015Summer Keelboat InvitationalRolf Kaiser4th / 20
6 Jun 20152015 June Invitational RegattaKen Turnbull4th / 20
16 May 20152015 Phyllis Kleinman Swiftsure RegattaKen Turnbull9th / 17
18 Apr 2015J/FestKen Turnbul8th / 21
14 Mar 2015Spring One DesignKen Turnbull15th / 21
11 Sep 20142014 Rolex Big Boat SeriesKen Turnbull5th / 19
16 Aug 2014Easom Founders Regatta and Summer Keelboat InvitationalKen Turnbull17th / 19
7 Jun 20142014 June Invitational RegattaKen Turnbull11th / 18
17 May 20142014 Phyllis Kleinman Swiftsure RegattaKen Turnbull9th / 18
5 Apr 20142014 J/FestKen Turnbull14th / 18
15 Mar 20142014 Spring One Design InvitationalKen Turnbull11th / 19
26 Sep 20132013 Rolex Big Boat SeriesRolf Kaiser9th / 22
17 Aug 2013Melges 24 & Open 5.70 PCC; Easom Founders; Summer KeelboatRolf Kaiser10th / 20
3 Aug 20132013 Phyllis Kleinman Swiftsure RegattaRolf Kaiser13th / 15
20 Jul 2013J-105 Invitational RegattaRolf Kaiser11th / 16
8 Jun 20132013 June Invitational RegattaRolf Kaiser4th / 17
17 May 20132013 Aldo Alessio Perpetual Trophy RegattaRolf Kaiser4th / 18
20 Apr 20132013 J/Fest San FranciscoSteve Kleha1st / 20
16 Mar 20132013 Spring One Design InvitationalRolf Kaiser6th / 22
26 Jan 20132013 - Three Bridge FiascoAmanda Kleha6th / 11
6 Sep 20122012 Rolex Big Boat Series / IRC North American ChampionshipRolf Kaiser1st / 21
18 Aug 2012Melges Race Week & Summer Keelboat RegattaShannon Ryan5th / 17
28 Jul 20122012 Aldo Alessio Perpetual Trophy RegattaRolf Kaiser3rd / 16
19 May 20122012 Phyllis Kleinman Swiftsure RegattaRolf Kaiser7th / 19
21 Apr 20122012 J/Fest San FranciscoShannon Ryan7th / 20
17 Mar 20122012 Spring One Design / Spring Keel InvitationalShannon Ryan2nd / 18
1 Jan 20122012 - Three Bridge FiascoShannon Ryan3rd / 11
8 Sep 20112011 Rolex Big Boat Series / Farr 30 World ChampionshipEdward Conrads2nd / 21
25 Jun 2011SPERRY TOP-SIDER SAN FRANCISCO NOOD REGATTARolf Kaiser2nd / 17
14 May 20112011 Frank Stone Cup InvitationalRolf Kaiser6th / 20
9 Apr 20112011 J/Fest San FranciscoRolf Kaiser4th / 22
18 Mar 20112011 Spring One DesignRolf Kaiser2nd / 18
15 Sep 20102010 Rolex Big Boat SeriesRolf Kaiser6th / 24
28 Aug 20102010 Sarcoma CupEdward Conrads6th / 18
30 Jul 20102010 Aldo Alessio Perpetual Trophy RegattaRolf Kaiser4th / 16
13 Mar 2010Big Daddy 2010 - SaturdayRolf Kaiser2nd / 3
10 Sep 20092009 Rolex Big Boat Series and Rolex US-IRC National ChampionshipRobert Conrads11th / 25
14 Mar 2009Big Daddy Regatta Saturday 2009Rolf Kaiser10th / 18