First-Class Fastest Fifties by Balls (where recorded) in New Zealand

Balls
20	AR Adams	Auckland v Otago	Eden Park Outer Oval, Auckland	1997/98
21	AR Adams	Auckland v Canterbury	Eden Park Outer Oval, Auckland	2006/07
21	GD Phillips	Auckland v Otago	University Oval, Dunedin	2021/22
22	BL Cairns	Otago v Wellington	Hutt Recreation Ground, Lower Hutt	1979/80
22	SJ Maguiness	Wellington v Canterbury	Lancaster Park, Christchurch	1985/86
22	RG Twose	Wellington v Otago	Carisbrook, Dunedin	2000/01
22	TD Astle	Canterbury v Otago	Village Green, Christchurch	2006/07
23	MD Bates	Auckland v Northern Districts	Cobham Oval (New), Whangarei	2009/10
25	AM Ellis	Canterbury v Wellington	Basin Reserve, Wellington	2015/16
26	BB McCullum	Otago v Wellington	Carisbrook, Dunedin	2001/02
26	NT Broom	Otago v Central Districts	McLean Park, Napier	2006/07
26	PG Fulton	Canterbury v Wellington	MainPower Oval, Rangiora	2012/13
26	SL Stewart	Canterbury v Auckland	Hagley Oval, Christchurch	2013/14
26	L Ronchi	Wellington v Auckland	Eden Park Outer Oval, Auckland	2013/14
26	C Munro	Auckland v Central Districts	McLean Park, Napier	2016/17
27	EP Thompson	Central Districts v Canterbury	Pukekura Park, New Plymouth	2008/09
27	TG Southee	Northern Districts v Wellington	Cobham Oval (New), Whangarei	2012/13
27	C Munro	Auckland v Central Districts	Colin Maiden Park, Auckland	2016/17
28	JAH Marshall	Northern Districts v Auckland	Colin Maiden Park, Auckland	2009/10
28	C de Grandhomme	New Zealand v Sri Lanka	Hagley Oval, Christchurch	2018/19
29	TG Southee	New Zealand v England	McLean Park, Napier	2007/08
29	HD Rutherford	Otago v Auckland	University Oval, Dunedin	2014/15
29	GD Phillips	Auckland v Canterbury	Kennards Hire Community Oval, Auckland	2021/22
30	IDS Smith	Central Districts v Auckland	McLean Park, Napier	1982/83
30	MR Jefferson	New Zealand Academy v Pakistan A	Lincoln Green, Lincoln	1998/99
30	L Ronchi	Wellington v Otago	Queen's Park, Invercargill	2013/14
30	AP Devcich	Northern Districts v Otago	Seddon Park, Hamilton	2014/15
30	C Munro	Auckland v Central Districts	Nelson Park, Napier	2014/15
30	GD Phillips	Auckland v Otago	University Oval, Dunedin	2021/22
31	AR Adams	Auckland v Northern Districts	Eden Park Outer Oval, Auckland	2000/01
31	LRPL Taylor	Central Districts v Otago	Pukekura Park, New Plymouth	2003/04
31	JS Patel	Wellington v Otago	Basin Reserve, Wellington	2017/18
31	TA Boult	Northern Districts v Otago	Bay Oval, Mount Maunganui	2018/19
31	C de Grandhomme	Northern Districts v Wellington	Seddon Park, Hamilton	2022/23
32	BG Cooper	Northern Districts v Canterbury	Harry Barker Reserve, Gisborne	1986/87
32	AR Adams	Auckland v Central Districts	Eden Park Outer Oval, Auckland	2000/01
32	AR Adams	Auckland v Central Districts	Eden Park Outer Oval, Auckland	2001/02
32	BB McCullum	Otago v Auckland	Carisbrook, Dunedin	2001/02
32	DJ Bowden	Wellington v Auckland	Eden Park Outer Oval, Auckland	2007/08
32	Umar Akmal	Pakistan v New Zealand	Basin Reserve, Wellington	2009/10
32	RR O'Donnell	Auckland v Otago	Molyneux Park, Alexandra	2021/22
32	C de Grandhomme	Northern Districts v Otago	Bay Oval, Mount Maunganui	2022/23
32	DAJ Bracewell	Central Districts v Northern Districts	Bay Oval, Mount Maunganui	2022/23
33	EB McSweeney	Wellington v Northern Districts	Basin Reserve, Wellington	1983/84
33	AJ Lamb	England v New Zealand	Eden Park, Auckland	1991/92
33	SR Tendulkar	Indians v Central Districts	McLean Park, Napier	1998/99
33	A Flintoff	England v New Zealand	Basin Reserve, Wellington	2001/02
33	TK Canning	Auckland v Wellington	Basin Reserve, Wellington	2005/06
33	HKP Boam	Wellington v Central Districts	Nelson Park, Napier	2011/12
33	JD Ryder	Wellington v Canterbury	MainPower Oval, Rangiora	2011/12
33	JEC Franklin	Wellington v Auckland	Colin Maiden Park, Auckland	2014/15
33	C de Grandhomme	Auckland v Central Districts	Eden Park Outer Oval, Auckland	2015/16
33	DJ Mitchell	Northern Districts v Central Districts	Seddon Park, Hamilton	2015/16
33	MG Bracewell	Wellington v Auckland	Eden Park Outer Oval, Auckland	2020/21
34	SM Carrington	Northern Districts v Canterbury	Lancaster Park, Christchurch	1985/86
34	MJ Greatbatch	New Zealand XI v Pakistanis	Trust Bank Park, Hamilton	1993/94
34	RG Twose	Wellington v Central Districts	Basin Reserve, Wellington	2000/01
34	BB McCullum	Canterbury v Otago	Carisbrook, Dunedin	2005/06
34	LRPL Taylor	New Zealand v Australia	Seddon Park, Hamilton	2009/10
34	N Wagner	Otago v Wellington	Basin Reserve, Wellington	2011/12
34	JD Ryder	Wellington v Canterbury	MainPower Oval, Rangiora	2011/12
34	C Cachopa	Auckland v Canterbury	Eden Park Outer Oval, Auckland	2012/13
34	BB McCullum	New Zealand v Australia	Hagley Oval, Christchurch	2015/16
34	AP Devcich	Northern Districts v Central Districts	Bay Oval, Mount Maunganui	2017/18
35	PE McEwan	Canterbury v Auckland	Eden Park, Auckland	1983/84
35	SJ Blackmore	Wellington v Central Districts	Pukekura Park, New Plymouth	1999/00
35	SM Lynch	Auckland v Northern Districts	Owen Delany Park, Taupo	1999/00
35	CFK van Wyk	Canterbury v Otago	Carisbrook, Dunedin	2007/08
35	SHA Rance	Central Districts v Otago	Nelson Park, Napier	2009/10
35	AP Devcich	Northern Districts v Wellington	Basin Reserve, Wellington	2015/16

The list shows 70 occurrences of 35 or less