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BOSTON MARATHON 2023

Matthew O'Connor

Bib: 8972•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M40-44)
#0 / 2241
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #4606
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:22
Rank: #5104 (-498)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:39
Rank: #5258 (-154)
10K → 15K
21:17 | 6:51/mi
20K· 12.43 mi
1:24:39
Rank: #4949 (+309)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:29:14
Rank: #4932 (+17)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:37
Rank: #4691 (+241)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:07:02
Rank: #4438 (+253)
25K → 30K
21:25 | 6:54/mi
20M
2:16:34
Rank: #4404 (+34)
30K → 20M
9:32 | 7:01/mi
21M
2:24:11
Rank: #4457 (-53)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:29:22
Rank: #4475 (-18)
21M → 35K
5:11 | 6:56/mi
23M
2:38:51
Rank: #4639 (-164)
35K → 23M
9:29 | 7:34/mi
24M
2:46:36
Rank: #4814 (-175)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
2:53:31
Rank: #4964 (-150)
24M → 40K
6:55 | 8:05/mi
25.2M
2:56:43
Rank: #5046 (-82)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:05:43
Rank: #5409 (-363)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:14
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:36:29
Pace7:22 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2521:066:4721:06
6:47
-
10K
6.21 mi11:07:4142:226:4921:16
6:51
+0:04
15K
9.32 mi11:28:581:03:396:5021:17
6:51
0:00
20K
12.43 mi11:49:581:24:396:4921:00
6:46
-0:05
Half
13.11 mi11:54:331:29:146:484:35
6:43
-0:03
25K
15.53 mi12:10:561:45:376:4816:23
6:45
+0:02
30K
18.64 mi12:32:212:07:026:4921:25
6:54
+0:09
20M
20.00 mi12:41:532:16:346:509:32
7:01
+0:07
21M
21.00 mi12:49:302:24:116:527:37
7:37
+0:36
35K
21.75 mi12:54:412:29:226:525:11
6:56
-0:41
23M
23.00 mi13:04:102:38:516:549:29
7:34
+0:38
24M
24.00 mi13:11:552:46:366:577:45
7:45
+0:11
40K
24.85 mi13:18:502:53:316:596:55
8:05
+0:20
25.2M
25.20 mi13:22:022:56:437:013:12
9:17
+1:12
Finish
26.22 mi13:31:023:05:437:059:00
8:50
-0:27

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

6:43 /mi

Average Pace

7:05 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:21:45

76% of race

Time at Slower Pace

43:58

24% of race

Average Pace: 7:05 /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 mi10:46:2521:066:4721:06
6:47
#4606
10K
6.21 mi11:07:4142:226:4921:16
6:51
#5104
15K
9.32 mi11:28:581:03:396:5021:17
6:51
#5258
20K
12.43 mi11:49:581:24:396:4921:00
6:46
#4949
Half
13.11 mi11:54:331:29:146:484:35
6:43
#4932
25K
15.53 mi12:10:561:45:376:4816:23
6:45
#4691
30K
18.64 mi12:32:212:07:026:4921:25
6:54
#4438
20M
20.00 mi12:41:532:16:346:509:32
7:01
#4404
21M
21.00 mi12:49:302:24:116:527:37
7:37
#4457
35K
21.75 mi12:54:412:29:226:525:11
6:56
#4475
23M
23.00 mi13:04:102:38:516:549:29
7:34
#4639
24M
24.00 mi13:11:552:46:366:577:45
7:45
#4814
40K
24.85 mi13:18:502:53:316:596:55
8:05
#4964
25.2M
25.20 mi13:22:022:56:437:013:12
9:17
#5046
Finish
26.22 mi13:31:023:05:437:059:00
8:50
#5409
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4606429442945571(Top 21%)5125(Top 34%)5125(Top 229%)
10K6.21 mi3.10 mi5104-4984731-4374731-4375699(Top 21%)5220(Top 34%)5220(Top 233%)
15K9.32 mi3.11 mi5258-1544871-1404871-1405571(Top 21%)5125(Top 34%)5125(Top 229%)
20K12.43 mi3.11 mi4949+3094608+2634608+2634088(Top 15%)3834(Top 25%)3834(Top 171%)
Half13.11 mi0.68 mi4932+174588+204588+204578(Top 17%)4270(Top 28%)4270(Top 191%)
25K15.53 mi2.42 mi4691+2414370+2184370+2183813(Top 14%)3587(Top 24%)3587(Top 160%)
30K18.64 mi3.11 mi4438+2534146+2244146+2243632(Top 14%)3412(Top 22%)3412(Top 152%)
20M20.00 mi1.36 mi4404+344112+344112+344138(Top 16%)3828(Top 25%)3828(Top 171%)
21M21.00 mi1.00 mi4457-534159-474159-475176(Top 19%)4601(Top 30%)4601(Top 205%)
35K21.75 mi0.75 mi4475-184172-134172-134936(Top 19%)4442(Top 29%)4442(Top 198%)
23M23.00 mi1.25 mi4639-1644314-1424314-1426860(Top 26%)5725(Top 38%)5725(Top 255%)
24M24.00 mi1.00 mi4814-1754459-1454459-1459371(Top 35%)7069(Top 47%)7069(Top 315%)
40K24.85 mi0.85 mi4964-1504573-1144573-11410592(Top 40%)7633(Top 50%)7633(Top 341%)
25.2M25.20 mi0.35 mi5046-824640-674640-6713960(Top 52%)9178(Top 60%)9178(Top 410%)
Finish26.22 mi1.02 mi5409-3634931-2914931-29117165(Top 64%)10667(Top 70%)10667(Top 476%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5571

Males

5125

M40-44

5125

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5699

Males

5220

M40-44

5220

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5571

Males

5125

M40-44

5125

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4088

Males

3834

M40-44

3834

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4578

Males

4270

M40-44

4270

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3813

Males

3587

M40-44

3587

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3632

Males

3412

M40-44

3412

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4138

Males

3828

M40-44

3828

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5176

Males

4601

M40-44

4601

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4936

Males

4442

M40-44

4442

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6860

Males

5725

M40-44

5725

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9371

Males

7069

M40-44

7069

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10592

Males

7633

M40-44

7633

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13960

Males

9178

M40-44

9178

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17165

Males

10667

M40-44

10667

Passing Analysis

Category:
Athletes Passed
1207
Passed By
2010
Net Change
-803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4606
5K → 10K51549-498#4606#5104
10K → 15K55209-154#5104#5258
15K → 20K32112+309#5258#4949
20K → Half3013+17#4949#4932
Half → 25K25211+241#4932#4691
25K → 30K27421+253#4691#4438
30K → 20M7844+34#4438#4404
20M → 21M4396-53#4404#4457
21M → 35K4058-18#4457#4475
35K → 23M31195-164#4475#4639
23M → 24M13188-175#4639#4814
24M → 40K12162-150#4814#4964
40K → 25.2M284-82#4964#5046
25.2M → Finish5368-363#5046#5409
TOTALS12072010-803
📊

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