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BOSTON MARATHON 2023

Gregory O'brian

Bib: 22269•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:25
Rank: #19591
Start → 5K
8:49/mi
27:25 split
10K· 6.21 mi
54:43
Rank: #19713 (-122)
5K → 10K
8:47/mi
27:18 split
15K· 9.32 mi
1:24:58
Rank: #21095 (-1382)
10K → 15K
9:44/mi
30:15 split
20K· 12.43 mi
1:52:44
Rank: #20658 (+437)
15K → 20K
8:56/mi
27:46 split
Half· 13.11 mi
1:58:47
Rank: #20611 (+47)
20K → Half
8:52/mi
6:03 split
25K· 15.53 mi
2:20:26
Rank: #20320 (+291)
Half → 25K
8:56/mi
21:39 split
30K· 18.64 mi
2:50:10
Rank: #20184 (+136)
25K → 30K
9:34/mi
29:44 split
20M
3:02:52
Rank: #20013 (+171)
30K → 20M
9:21/mi
12:42 split
21M
3:14:02
Rank: #20118 (-105)
20M → 21M
11:10/mi
11:10 split
35K· 21.75 mi
3:20:28
Rank: #19969 (+149)
21M → 35K
8:36/mi
6:26 split
23M
3:31:44
Rank: #19755 (+214)
35K → 23M
9:00/mi
11:16 split
24M
3:40:36
Rank: #19628 (+127)
23M → 24M
8:52/mi
8:52 split
40K· 24.85 mi
3:48:07
Rank: #19491 (+137)
24M → 40K
8:47/mi
7:31 split
25.2M
3:52:07
Rank: #19548 (-57)
40K → 25.2M
11:36/mi
4:00 split
Finish· 26.22 mi
4:00:59
Rank: #19468 (+80)
25.2M → Finish
8:42/mi
8:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:47
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:02:12
Pace9:19 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0227:258:4927:25
8:49
-
10K
6.21 mi11:50:2054:438:4827:18
8:47
-0:02
15K
9.32 mi12:20:351:24:589:0730:15
9:44
+0:57
20K
12.43 mi12:48:211:52:449:0427:46
8:56
-0:48
Half
13.11 mi12:54:241:58:479:046:03
8:52
-0:04
25K
15.53 mi13:16:032:20:269:0221:39
8:56
+0:04
30K
18.64 mi13:45:472:50:109:0829:44
9:34
+0:38
20M
20.00 mi13:58:293:02:529:0912:42
9:21
-0:13
21M
21.00 mi14:09:393:14:029:1411:10
11:10
+1:49
35K
21.75 mi14:16:053:20:289:136:26
8:36
-2:34
23M
23.00 mi14:27:213:31:449:1211:16
9:00
+0:24
24M
24.00 mi14:36:133:40:369:128:52
8:52
-0:08
40K
24.85 mi14:43:443:48:079:117:31
8:47
-0:05
25.2M
25.20 mi14:47:443:52:079:134:00
11:36
+2:49
Finish
26.22 mi14:56:364:00:599:128:52
8:42
-2:54

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

8:36 /mi

Average Pace

9:12 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:45:50

69% of race

Time at Slower Pace

1:15:09

31% of race

Average Pace: 9:11 /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 mi11:23:0227:258:4927:25
8:49
#19591
10K
6.21 mi11:50:2054:438:4827:18
8:47
#19713
15K
9.32 mi12:20:351:24:589:0730:15
9:44
#21095
20K
12.43 mi12:48:211:52:449:0427:46
8:56
#20658
Half
13.11 mi12:54:241:58:479:046:03
8:52
#20611
25K
15.53 mi13:16:032:20:269:0221:39
8:56
#20320
30K
18.64 mi13:45:472:50:109:0829:44
9:34
#20184
20M
20.00 mi13:58:293:02:529:0912:42
9:21
#20013
21M
21.00 mi14:09:393:14:029:1411:10
11:10
#20118
35K
21.75 mi14:16:053:20:289:136:26
8:36
#19969
23M
23.00 mi14:27:213:31:449:1211:16
9:00
#19755
24M
24.00 mi14:36:133:40:369:128:52
8:52
#19628
40K
24.85 mi14:43:443:48:079:117:31
8:47
#19491
25.2M
25.20 mi14:47:443:52:079:134:00
11:36
#19548
Finish
26.22 mi14:56:364:00:599:128:52
8:42
#19468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19591120001200022896(Top 86%)13588(Top 90%)13588(Top 1224%)
10K6.21 mi3.10 mi19713-12212097-9712097-9719857(Top 75%)12224(Top 81%)12224(Top 1101%)
15K9.32 mi3.11 mi21095-138212735-63812735-63822896(Top 86%)13588(Top 90%)13588(Top 1224%)
20K12.43 mi3.11 mi20658+43712555+18012555+18019394(Top 73%)12052(Top 79%)12052(Top 1086%)
Half13.11 mi0.68 mi20611+4712537+1812537+1819812(Top 74%)12225(Top 81%)12225(Top 1101%)
25K15.53 mi2.42 mi20320+29112413+12412413+12418596(Top 70%)11672(Top 77%)11672(Top 1052%)
30K18.64 mi3.11 mi20184+13612330+8312330+8319682(Top 74%)12082(Top 80%)12082(Top 1088%)
20M20.00 mi1.36 mi20013+17112240+9012240+9018210(Top 68%)11337(Top 75%)11337(Top 1021%)
21M21.00 mi1.00 mi20118-10512279-3912279-3921179(Top 80%)12598(Top 83%)12598(Top 1135%)
35K21.75 mi0.75 mi19969+14912216+6312216+6315853(Top 60%)10244(Top 68%)10244(Top 923%)
23M23.00 mi1.25 mi19755+21412113+10312113+10316068(Top 60%)10273(Top 68%)10273(Top 925%)
24M24.00 mi1.00 mi19628+12712054+5912054+5916573(Top 62%)10445(Top 69%)10445(Top 941%)
40K24.85 mi0.85 mi19491+13711984+7011984+7015040(Top 56%)9713(Top 64%)9713(Top 875%)
25.2M25.20 mi0.35 mi19548-5712006-2212006-2221726(Top 82%)12720(Top 84%)12720(Top 1146%)
Finish26.22 mi1.02 mi19468+8011967+3911967+3916490(Top 62%)10387(Top 68%)10387(Top 936%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22896

Males

13588

M60-64

13588

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19857

Males

12224

M60-64

12224

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22896

Males

13588

M60-64

13588

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19394

Males

12052

M60-64

12052

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19812

Males

12225

M60-64

12225

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18596

Males

11672

M60-64

11672

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19682

Males

12082

M60-64

12082

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18210

Males

11337

M60-64

11337

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21179

Males

12598

M60-64

12598

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15853

Males

10244

M60-64

10244

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16068

Males

10273

M60-64

10273

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16573

Males

10445

M60-64

10445

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15040

Males

9713

M60-64

9713

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21726

Males

12720

M60-64

12720

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16490

Males

10387

M60-64

10387

Passing Analysis

Category:
Athletes Passed
2265
Passed By
2142
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19591
5K → 10K250372-122#19591#19713
10K → 15K131395-1382#19713#21095
15K → 20K45417+437#21095#20658
20K → Half536+47#20658#20611
Half → 25K30312+291#20611#20320
25K → 30K21579+136#20320#20184
30K → 20M18817+171#20184#20013
20M → 21M48153-105#20013#20118
21M → 35K1501+149#20118#19969
35K → 23M2228+214#19969#19755
23M → 24M1303+127#19755#19628
24M → 40K1414+137#19628#19491
40K → 25.2M461-57#19491#19548
25.2M → Finish9414+80#19548#19468
TOTALS22652142+123
📊

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