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BOSTON MARATHON 2023

Brian Mcnamara

Bib: 3114•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M40-44)
#0 / 2241
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1208
Start → 5K
6:14/mi
19:22 split
10K· 6.21 mi
38:20
Rank: #1132 (+76)
5K → 10K
6:06/mi
18:58 split
15K· 9.32 mi
57:19
Rank: #1075 (+57)
10K → 15K
6:07/mi
18:59 split
20K· 12.43 mi
1:16:35
Rank: #1060 (+15)
15K → 20K
6:12/mi
19:16 split
Half· 13.11 mi
1:20:42
Rank: #1047 (+13)
20K → Half
6:02/mi
4:07 split
25K· 15.53 mi
1:35:38
Rank: #1006 (+41)
Half → 25K
6:10/mi
14:56 split
30K· 18.64 mi
1:54:40
Rank: #899 (+107)
25K → 30K
6:08/mi
19:02 split
20M
2:03:05
Rank: #868 (+31)
30K → 20M
6:12/mi
8:25 split
21M
2:09:40
Rank: #849 (+19)
20M → 21M
6:35/mi
6:35 split
35K· 21.75 mi
2:14:05
Rank: #829 (+20)
21M → 35K
5:54/mi
4:25 split
23M
2:21:53
Rank: #803 (+26)
35K → 23M
6:14/mi
7:48 split
24M
2:28:04
Rank: #801 (+2)
23M → 24M
6:11/mi
6:11 split
40K· 24.85 mi
2:33:33
Rank: #795 (+6)
24M → 40K
6:25/mi
5:29 split
25.2M
2:35:56
Rank: #795
40K → 25.2M
6:55/mi
2:23 split
Finish· 26.22 mi
2:42:22
Rank: #794 (+1)
25.2M → Finish
6:19/mi
6:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:42
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:21:40
Pace6:14 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0519:226:1419:22
6:14
-
10K
6.21 mi10:39:0338:206:1018:58
6:06
-0:08
15K
9.32 mi10:58:0257:196:0918:59
6:07
+0:01
20K
12.43 mi11:17:181:16:356:1019:16
6:12
+0:05
Half
13.11 mi11:21:251:20:426:094:07
6:02
-0:10
25K
15.53 mi11:36:211:35:386:0914:56
6:10
+0:08
30K
18.64 mi11:55:231:54:406:0919:02
6:08
-0:02
20M
20.00 mi12:03:482:03:056:098:25
6:12
+0:04
21M
21.00 mi12:10:232:09:406:106:35
6:35
+0:23
35K
21.75 mi12:14:482:14:056:104:25
5:54
-0:41
23M
23.00 mi12:22:362:21:536:107:48
6:14
+0:20
24M
24.00 mi12:28:472:28:046:106:11
6:11
-0:03
40K
24.85 mi12:34:162:33:336:115:29
6:25
+0:14
25.2M
25.20 mi12:36:392:35:566:112:23
6:55
+0:30
Finish
26.22 mi12:43:052:42:226:126:26
6:19
-0:36

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:54 /mi

Average Pace

6:12 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:24

94% of race

Time at Steady Pace

8:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:0519:226:1419:22
6:14
#1208
10K
6.21 mi10:39:0338:206:1018:58
6:06
#1132
15K
9.32 mi10:58:0257:196:0918:59
6:07
#1075
20K
12.43 mi11:17:181:16:356:1019:16
6:12
#1060
Half
13.11 mi11:21:251:20:426:094:07
6:02
#1047
25K
15.53 mi11:36:211:35:386:0914:56
6:10
#1006
30K
18.64 mi11:55:231:54:406:0919:02
6:08
#899
20M
20.00 mi12:03:482:03:056:098:25
6:12
#868
21M
21.00 mi12:10:232:09:406:106:35
6:35
#849
35K
21.75 mi12:14:482:14:056:104:25
5:54
#829
23M
23.00 mi12:22:362:21:536:107:48
6:14
#803
24M
24.00 mi12:28:472:28:046:106:11
6:11
#801
40K
24.85 mi12:34:162:33:336:115:29
6:25
#795
25.2M
25.20 mi12:36:392:35:566:112:23
6:55
#795
Finish
26.22 mi12:43:052:42:226:126:26
6:19
#794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi120811451145991(Top 4%)942(Top 6%)942(Top 42%)
10K6.21 mi3.10 mi1132+761069+761069+761067(Top 4%)1012(Top 7%)1012(Top 45%)
15K9.32 mi3.11 mi1075+571019+501019+50991(Top 4%)942(Top 6%)942(Top 42%)
20K12.43 mi3.11 mi1060+151006+131006+131052(Top 4%)1002(Top 7%)1002(Top 45%)
Half13.11 mi0.68 mi1047+13994+12994+12844(Top 3%)802(Top 5%)802(Top 36%)
25K15.53 mi2.42 mi1006+41956+38956+38887(Top 3%)841(Top 6%)841(Top 38%)
30K18.64 mi3.11 mi899+107851+105851+105547(Top 2%)513(Top 3%)513(Top 23%)
20M20.00 mi1.36 mi868+31821+30821+30641(Top 2%)604(Top 4%)604(Top 27%)
21M21.00 mi1.00 mi849+19804+17804+17822(Top 3%)778(Top 5%)778(Top 35%)
35K21.75 mi0.75 mi829+20785+19785+19524(Top 2%)488(Top 3%)488(Top 22%)
23M23.00 mi1.25 mi803+26759+26759+26671(Top 3%)633(Top 4%)633(Top 28%)
24M24.00 mi1.00 mi801+2757+2757+2951(Top 4%)900(Top 6%)900(Top 40%)
40K24.85 mi0.85 mi795+6752+5752+51222(Top 5%)1150(Top 8%)1150(Top 51%)
25.2M25.20 mi0.35 mi795751+1751+11415(Top 5%)1332(Top 9%)1332(Top 59%)
Finish26.22 mi1.02 mi794+1750+1750+11659(Top 6%)1559(Top 10%)1559(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

991

Males

942

M40-44

942

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1067

Males

1012

M40-44

1012

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

991

Males

942

M40-44

942

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1052

Males

1002

M40-44

1002

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

844

Males

802

M40-44

802

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

887

Males

841

M40-44

841

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

547

Males

513

M40-44

513

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

641

Males

604

M40-44

604

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

822

Males

778

M40-44

778

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

524

Males

488

M40-44

488

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

671

Males

633

M40-44

633

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

951

Males

900

M40-44

900

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1222

Males

1150

M40-44

1150

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1415

Males

1332

M40-44

1332

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1659

Males

1559

M40-44

1559

Passing Analysis

Category:
Athletes Passed
536
Passed By
122
Net Change
+414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1208
5K → 10K11034+76#1208#1132
10K → 15K647+57#1132#1075
15K → 20K3621+15#1075#1060
20K → Half141+13#1060#1047
Half → 25K476+41#1047#1006
25K → 30K1081+107#1006#899
30K → 20M321+31#899#868
20M → 21M289+19#868#849
21M → 35K211+20#849#829
35K → 23M326+26#829#803
23M → 24M119+2#803#801
24M → 40K159+6#801#795
40K → 25.2M660#795#795
25.2M → Finish1211+1#795#794
TOTALS536122+414
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing