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BOSTON MARATHON 2023

Barry Cahalin

Bib: 5322•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #3427
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:22
Rank: #3591 (-164)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:06
Rank: #3654 (-63)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:22:55
Rank: #3619 (+35)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:27:29
Rank: #3654 (-35)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:43
Rank: #3570 (+84)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:05:34
Rank: #3739 (-169)
25K → 30K
21:51 | 7:02/mi
20M
2:15:09
Rank: #3756 (-17)
30K → 20M
9:35 | 7:03/mi
21M
2:22:57
Rank: #3939 (-183)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:28:06
Rank: #3963 (-24)
21M → 35K
5:09 | 6:53/mi
23M
2:37:00
Rank: #3982 (-19)
35K → 23M
8:54 | 7:06/mi
24M
2:44:00
Rank: #4029 (-47)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:50:15
Rank: #4114 (-85)
24M → 40K
6:15 | 7:19/mi
25.2M
2:52:59
Rank: #4168 (-54)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:00:38
Rank: #4337 (-169)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:29
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:33:09
Pace7:06 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1620:446:4020:44
6:40
-
10K
6.21 mi10:43:5441:226:3920:38
6:38
-0:02
15K
9.32 mi11:04:381:02:066:4020:44
6:40
+0:02
20K
12.43 mi11:25:271:22:556:4020:49
6:42
+0:02
Half
13.11 mi11:30:011:27:296:404:34
6:42
0:00
25K
15.53 mi11:46:151:43:436:4116:14
6:42
0:00
30K
18.64 mi12:08:062:05:346:4421:51
7:02
+0:20
20M
20.00 mi12:17:412:15:096:459:35
7:03
+0:01
21M
21.00 mi12:25:292:22:576:487:48
7:48
+0:45
35K
21.75 mi12:30:382:28:066:495:09
6:53
-0:55
23M
23.00 mi12:39:322:37:006:508:54
7:06
+0:13
24M
24.00 mi12:46:322:44:006:507:00
7:00
-0:06
40K
24.85 mi12:52:472:50:156:516:15
7:19
+0:19
25.2M
25.20 mi12:55:312:52:596:522:44
7:56
+0:37
Finish
26.22 mi13:03:103:00:386:547:39
7:30
-0:26

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

6:38 /mi

Average Pace

6:54 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:12

86% of race

Time at Steady Pace

21:42

12% of race

Time at Slower Pace

2:44

2% of race

Average Pace: 6:53 /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 mi10:23:1620:446:4020:44
6:40
#3427
10K
6.21 mi10:43:5441:226:3920:38
6:38
#3591
15K
9.32 mi11:04:381:02:066:4020:44
6:40
#3654
20K
12.43 mi11:25:271:22:556:4020:49
6:42
#3619
Half
13.11 mi11:30:011:27:296:404:34
6:42
#3654
25K
15.53 mi11:46:151:43:436:4116:14
6:42
#3570
30K
18.64 mi12:08:062:05:346:4421:51
7:02
#3739
20M
20.00 mi12:17:412:15:096:459:35
7:03
#3756
21M
21.00 mi12:25:292:22:576:487:48
7:48
#3939
35K
21.75 mi12:30:382:28:066:495:09
6:53
#3963
23M
23.00 mi12:39:322:37:006:508:54
7:06
#3982
24M
24.00 mi12:46:322:44:006:507:00
7:00
#4029
40K
24.85 mi12:52:472:50:156:516:15
7:19
#4114
25.2M
25.20 mi12:55:312:52:596:522:44
7:56
#4168
Finish
26.22 mi13:03:103:00:386:547:39
7:30
#4337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3427323032303876(Top 15%)3644(Top 24%)3644(Top 69%)
10K6.21 mi3.10 mi3591-1643389-1593389-1593814(Top 14%)3598(Top 24%)3598(Top 68%)
15K9.32 mi3.11 mi3654-633452-633452-633876(Top 15%)3644(Top 24%)3644(Top 69%)
20K12.43 mi3.11 mi3619+353425+273425+273595(Top 14%)3402(Top 22%)3402(Top 64%)
Half13.11 mi0.68 mi3654-353458-333458-334288(Top 16%)4012(Top 26%)4012(Top 76%)
25K15.53 mi2.42 mi3570+843380+783380+783337(Top 13%)3169(Top 21%)3169(Top 60%)
30K18.64 mi3.11 mi3739-1693531-1513531-1514559(Top 17%)4221(Top 28%)4221(Top 80%)
20M20.00 mi1.36 mi3756-173545-143545-144331(Top 16%)3991(Top 26%)3991(Top 76%)
21M21.00 mi1.00 mi3939-1833708-1633708-1636131(Top 23%)5279(Top 35%)5279(Top 100%)
35K21.75 mi0.75 mi3963-243723-153723-154664(Top 18%)4229(Top 28%)4229(Top 80%)
23M23.00 mi1.25 mi3982-193736-133736-134337(Top 16%)3956(Top 26%)3956(Top 75%)
24M24.00 mi1.00 mi4029-473774-383774-384659(Top 18%)4173(Top 27%)4173(Top 79%)
40K24.85 mi0.85 mi4114-853850-763850-765481(Top 21%)4668(Top 31%)4668(Top 88%)
25.2M25.20 mi0.35 mi4168-543900-503900-505979(Top 22%)4910(Top 32%)4910(Top 93%)
Finish26.22 mi1.02 mi4337-1694045-1454045-1458555(Top 32%)6485(Top 43%)6485(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3876

Males

3644

M18-39

3644

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3814

Males

3598

M18-39

3598

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3876

Males

3644

M18-39

3644

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3595

Males

3402

M18-39

3402

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4288

Males

4012

M18-39

4012

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3337

Males

3169

M18-39

3169

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4559

Males

4221

M18-39

4221

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4331

Males

3991

M18-39

3991

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6131

Males

5279

M18-39

5279

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4664

Males

4229

M18-39

4229

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4337

Males

3956

M18-39

3956

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4659

Males

4173

M18-39

4173

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5481

Males

4668

M18-39

4668

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5979

Males

4910

M18-39

4910

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8555

Males

6485

M18-39

6485

Passing Analysis

Category:
Athletes Passed
742
Passed By
1652
Net Change
-910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3427
5K → 10K131295-164#3427#3591
10K → 15K86149-63#3591#3654
15K → 20K10570+35#3654#3619
20K → Half641-35#3619#3654
Half → 25K11531+84#3654#3570
25K → 30K55224-169#3570#3739
30K → 20M5269-17#3739#3756
20M → 21M25208-183#3756#3939
21M → 35K2751-24#3939#3963
35K → 23M5372-19#3963#3982
23M → 24M3986-47#3982#4029
24M → 40K27112-85#4029#4114
40K → 25.2M1064-54#4114#4168
25.2M → Finish11180-169#4168#4337
TOTALS7421652-910
📊

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