BB McCullum became the second batsman in the annals of test cricket to score one hundred boundary sixes in tests after AC Gilchrist. AC Gilchrist was the first batsman to score one hundred boundary sixes in the annals of test cricket.

BB McCullum achieved this coveted distinction in the just concluded Dunedin test against Sri Lanka. This is how espncricinfo.com describes the 100^th boundary six scored by BB McCullum in New Zealand’s second innings during his knock of 17 not out in which he scored two boundary sixes. His second boundary six was his one  hundredth boundary six.

65.4 – Herath to McCullum, SIX, Drum rolls, please! 100th six in Tests for Baz, he draws level with Gilchrist as the highest six-hitter. Baz jumps outside leg, and walloped it over midwicket. Herath dropped it shorter and Baz sent it clattering over Siriwardana in the deep. And with that NZ declare

The following table lists the career summary of BB McCullum with breakup of boundary sixes against each opposition

Career summary
Opposition	Mat	Inns	NO	Runs	HS	Ave	100	50	0	6s
v Australia	14	26	1	654	104	26.16	1	3	1	9
v Bangladesh	9	12	2	558	185	55.80	2	1	0	9
v England	16	30	1	1041	97	35.89	0	10	3	18
v India	10	19	1	1224	302	68.00	4	2	1	13
v Pakistan	8	14	0	695	202	49.64	1	4	2	17
v South Africa	13	24	2	575	61	26.13	0	5	2	4
v Sri Lanka	11	20	2	670	195	37.22	1	3	3	21
v West Indies	13	20	0	577	113	28.85	1	2	1	6
v Zimbabwe	4	5	0	243	111	48.60	1	1	0	3
overall	98	170	9	6237	302	38.73	11	31	13	100

The following is the batting career of BB McCullum which also shows the boundary sixes scored by him in each test. He has scored eleven sixes in two consecutive innings – against Pakistan at Sharjah in Nov 2014 when he made 202 in the first innings and against Sri Lanka at Christchurch in Dec 2014 when he made 195 in the first innings.

No	FI	SI	Runs	6s	Opposition	Ground	Start Date
1	57	19*	76	0	v South Africa	Hamilton	10 Mar 2004
2	13	DNB	13	0	v South Africa	Auckland	18 Mar 2004
3	55	3	58	0	v South Africa	Wellington	26 Mar 2004
4	5	96	101	0	v England	Lord’s	20 May 2004
5	54	20	74	0	v England	Leeds	03 Jun 2004
6	21	4	25	0	v England	Nottingham	10 Jun 2004
7	143	–	143	2	v Bangladesh	Dhaka	19 Oct 2004
8	17*	–	17	0	v Bangladesh	Chittagong	26 Oct 2004
9	10	8	18	0	v Australia	Brisbane	18 Nov 2004
10	10	36	46	1	v Australia	Adelaide	26 Nov 2004
11	29	24	53	0	v Australia	Christchurch	10 Mar 2005
12	3	DNB	3	0	v Australia	Wellington	18 Mar 2005
13	25	0	25	0	v Australia	Auckland	26 Mar 2005
14	99	7	106	2	v Sri Lanka	Napier	04 Apr 2005
15	0	–	0	0	v Sri Lanka	Wellington	11 Apr 2005
16	111	–	111	1	v Zimbabwe	Harare	07 Aug 2005
17	24	–	24	0	v Zimbabwe	Bulawayo	15 Aug 2005
18	19	74	93	1	v West Indies	Auckland	09 Mar 2006
19	23	DNB	23	0	v West Indies	Wellington	17 Mar 2006
20	TDNB	–	0	0	v West Indies	Napier	25 Mar 2006
21	31	33	64	2	v South Africa	Centurion	15 Apr 2006
22	5	DNB	5	0	v South Africa	Cape Town	27 Apr 2006
23	0	5	5	0	v South Africa	Johannesburg	05 May 2006
24	0	14*	14	1	v Sri Lanka	Christchurch	07 Dec 2006
25	43	17	60	0	v Sri Lanka	Wellington	15 Dec 2006
26	9	26	35	0	v South Africa	Johannesburg	08 Nov 2007
27	13	21	34	0	v South Africa	Centurion	16 Nov 2007
28	7	DNB	7	1	v Bangladesh	Dunedin	04 Jan 2008
29	40	–	40	1	v Bangladesh	Wellington	12 Jan 2008
30	51	0	51	2	v England	Hamilton	05 Mar 2008
31	25	85	110	3	v England	Wellington	13 Mar 2008
32	9	42	51	0	v England	Napier	22 Mar 2008
33	97	24	121	2	v England	Lord’s	15 May 2008
34	11	0	11	1	v England	Manchester	23 May 2008
35	9	71	80	0	v England	Nottingham	05 Jun 2008
36	25	2	27	0	v Bangladesh	Chittagong	17 Oct 2008
37	66	DNB	66	1	v Bangladesh	Dhaka	25 Oct 2008
38	8	3	11	0	v Australia	Brisbane	20 Nov 2008
39	30	84*	114	3	v Australia	Adelaide	28 Nov 2008
40	25	DNB	25	0	v West Indies	Dunedin	11 Dec 2008
41	31	19	50	2	v West Indies	Napier	19 Dec 2008
42	3	84	87	0	v India	Hamilton	18 Mar 2009
43	115	–	115	0	v India	Napier	26 Mar 2009
44	24	6	30	0	v India	Wellington	03 Apr 2009
45	1	29	30	1	v Sri Lanka	Galle	18 Aug 2009
46	18	13	31	0	v Sri Lanka	Colombo (SSC)	26 Aug 2009
47	78	0	78	0	v Pakistan	Dunedin	24 Nov 2009
48	0	24	24	0	v Pakistan	Wellington	03 Dec 2009
49	89	DNB	89	1	v Pakistan	Napier	11 Dec 2009
50	185	19*	204	3	v Bangladesh	Hamilton	15 Feb 2010
51	24	104	128	2	v Australia	Wellington	19 Mar 2010
52	5	51	56	1	v Australia	Hamilton	27 Mar 2010
53	65	11*	76	0	v India	Ahmedabad	04 Nov 2010
54	4	225	229	4	v India	Hyd-RGS	12 Nov 2010
55	40	25	65	0	v India	Nagpur	20 Nov 2010
56	56	35	91	2	v Pakistan	Hamilton	07 Jan 2011
57	2	64	66	1	v Pakistan	Wellington	15 Jan 2011
58	14	11	25	0	v Zimbabwe	Bulawayo	01 Nov 2011
59	34	1	35	0	v Australia	Brisbane	01 Dec 2011
60	16	12	28	0	v Australia	Hobart	09 Dec 2011
61	83	–	83	2	v Zimbabwe	Napier	26 Jan 2012
62	48	58*	106	1	v South Africa	Dunedin	07 Mar 2012
63	61	5	66	1	v South Africa	Hamilton	15 Mar 2012
64	31	0	31	0	v South Africa	Wellington	23 Mar 2012
65	25	84	109	0	v West Indies	North Sound	25 Jul 2012
66	0	19	19	0	v West Indies	Kingston	02 Aug 2012
67	22	42	64	0	v India	Hyd-RGS	23 Aug 2012
68	0	23	23	0	v India	Bangalore	31 Aug 2012
69	68	13	81	3	v Sri Lanka	Galle	17 Nov 2012
70	4	35	39	0	v Sri Lanka	Colombo (PSS)	25 Nov 2012
71	7	51	58	0	v South Africa	Cape Town	02 Jan 2013
72	13	11	24	0	v South Africa	Port Elizabeth	11 Jan 2013
73	74	–	74	3	v England	Dunedin	06 Mar 2013
74	69	DNB	69	1	v England	Wellington	14 Mar 2013
75	38	67*	105	3	v England	Auckland	22 Mar 2013
76	2	8	10	0	v England	Lord’s	16 May 2013
77	20	1	21	0	v England	Leeds	24 May 2013
78	21	22	43	1	v Bangladesh	Chittagong	09 Oct 2013
79	11	–	11	0	v Bangladesh	Dhaka	21 Oct 2013
80	113	9	122	3	v West Indies	Dunedin	03 Dec 2013
81	37	–	37	0	v West Indies	Wellington	11 Dec 2013
82	12	DNB	12	0	v West Indies	Hamilton	19 Dec 2013
83	224	1	225	5	v India	Auckland	06 Feb 2014
84	8	302	310	4	v India	Wellington	14 Feb 2014
85	7	17	24	0	v West Indies	Kingston	08 Jun 2014
86	4	3	7	0	v West Indies	Port of Spain	16 Jun 2014
87	31	25	56	0	v West Indies	Bridgetown	26 Jun 2014
88	18	39	57	0	v Pakistan	Abu Dhabi	09 Nov 2014
89	43	45	88	2	v Pakistan	Dubai (DSC)	17 Nov 2014
90	202	–	202	11	v Pakistan	Sharjah	26 Nov 2014
91	195	DNB	195	11	v Sri Lanka	Christchurch	26 Dec 2014
92	0	22	22	0	v Sri Lanka	Wellington	03 Jan 2015
93	42	0	42	1	v England	Lord’s	21 May 2015
94	41	55	96	2	v England	Leeds	29 May 2015
95	6	80	86	2	v Australia	Brisbane	05 Nov 2015
96	27	DNB	27	0	v Australia	Perth	13 Nov 2015
97	4	20	24	0	v Australia	Adelaide	27 Nov 2015
98	75	17*	92	3	v Sri Lanka	Dunedin	10 Dec 2015
98	3712	2525	6237	100	Total

BB McCullum is the only batsman to score eleven boundary sixes in an innings on two occasions in the list of batsmen who have scored ten or more boundary sixes in an innings. This he has achieved in two consecutive tests/innings which makes the feat more credible

No	Player	Runs	6s	Team	Opposition	Ground	Match Date
1	Wasim Akram	257*	12	Pakistan	v Zimbabwe	Sheikhupura	17 Oct 1996
2	NJ Astle	222	11	New Zealand	v England	Christchurch	13 Mar 2002
3	ML Hayden	380	11	Australia	v Zimbabwe	Perth	09 Oct 2003
4	BB McCullum	202	11	New Zealand	v Pakistan	Sharjah	26 Nov 2014
5	BB McCullum	195	11	New Zealand	v Sri Lanka	Christchurch	26 Dec 2014
6	WR Hammond	336*	10	England	v New Zealand	Auckland	31 Mar 1933