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BOSTON MARATHON 2023

Colin Stover

Bib: 16983•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
26:21
Rank: #17430
Start → 5K
26:21 | 8:29/mi
10K· 6.21 mi
52:40
Rank: #17754 (-324)
5K → 10K
26:19 | 8:28/mi
15K· 9.32 mi
1:18:53
Rank: #17613 (+141)
10K → 15K
26:13 | 8:26/mi
20K· 12.43 mi
1:45:30
Rank: #17481 (+132)
15K → 20K
26:37 | 8:34/mi
Half· 13.11 mi
1:51:16
Rank: #17469 (+12)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:13:01
Rank: #17701 (-232)
Half → 25K
21:45 | 8:58/mi
30K· 18.64 mi
2:42:00
Rank: #17919 (-218)
25K → 30K
28:59 | 9:20/mi
20M
2:55:17
Rank: #18126 (-207)
30K → 20M
13:17 | 9:46/mi
21M
3:06:05
Rank: #18343 (-217)
20M → 21M
10:48 | 10:48/mi
35K· 21.75 mi
3:13:34
Rank: #18496 (-153)
21M → 35K
7:29 | 10:00/mi
23M
3:26:57
Rank: #18819 (-323)
35K → 23M
13:23 | 10:41/mi
24M
3:37:52
Rank: #19120 (-301)
23M → 24M
10:55 | 10:55/mi
40K· 24.85 mi
3:47:12
Rank: #19330 (-210)
24M → 40K
9:20 | 10:55/mi
25.2M
3:51:10
Rank: #19403 (-73)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:01:19
Rank: #19512 (-109)
25.2M → Finish
10:09 | 9:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:16
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:10:03
Pace9:55 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2626:218:2926:21
8:29
-
10K
6.21 mi11:42:4552:408:2926:19
8:28
-0:01
15K
9.32 mi12:08:581:18:538:2826:13
8:26
-0:02
20K
12.43 mi12:35:351:45:308:2926:37
8:34
+0:08
Half
13.11 mi12:41:211:51:168:295:46
8:27
-0:07
25K
15.53 mi13:03:062:13:018:3421:45
8:58
+0:31
30K
18.64 mi13:32:052:42:008:4128:59
9:20
+0:22
20M
20.00 mi13:45:222:55:178:4613:17
9:46
+0:26
21M
21.00 mi13:56:103:06:058:5210:48
10:48
+1:02
35K
21.75 mi14:03:393:13:348:547:29
10:00
-0:48
23M
23.00 mi14:17:023:26:579:0013:23
10:41
+0:41
24M
24.00 mi14:27:573:37:529:0510:55
10:55
+0:14
40K
24.85 mi14:37:173:47:129:089:20
10:55
0:00
25.2M
25.20 mi14:41:153:51:109:103:58
11:30
+0:35
Finish
26.22 mi14:51:244:01:199:1310:09
9:58
-1:32

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

8:26 /mi

Average Pace

9:13 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:01

55% of race

Time at Steady Pace

59:54

25% of race

Time at Slower Pace

48:24

20% of race

Average Pace: 9:12 /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 mi11:16:2626:218:2926:21
8:29
#17430
10K
6.21 mi11:42:4552:408:2926:19
8:28
#17754
15K
9.32 mi12:08:581:18:538:2826:13
8:26
#17613
20K
12.43 mi12:35:351:45:308:2926:37
8:34
#17481
Half
13.11 mi12:41:211:51:168:295:46
8:27
#17469
25K
15.53 mi13:03:062:13:018:3421:45
8:58
#17701
30K
18.64 mi13:32:052:42:008:4128:59
9:20
#17919
20M
20.00 mi13:45:222:55:178:4613:17
9:46
#18126
21M
21.00 mi13:56:103:06:058:5210:48
10:48
#18343
35K
21.75 mi14:03:393:13:348:547:29
10:00
#18496
23M
23.00 mi14:17:023:26:579:0013:23
10:41
#18819
24M
24.00 mi14:27:573:37:529:0510:55
10:55
#19120
40K
24.85 mi14:37:173:47:129:089:20
10:55
#19330
25.2M
25.20 mi14:41:153:51:109:103:58
11:30
#19403
Finish
26.22 mi14:51:244:01:199:1310:09
9:58
#19512
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17430112061120617388(Top 65%)11218(Top 74%)11218(Top 212%)
10K6.21 mi3.10 mi17754-32411358-15211358-15218056(Top 68%)11528(Top 76%)11528(Top 218%)
15K9.32 mi3.11 mi17613+14111309+4911309+4917388(Top 65%)11218(Top 74%)11218(Top 212%)
20K12.43 mi3.11 mi17481+13211256+5311256+5317276(Top 65%)11168(Top 74%)11168(Top 211%)
Half13.11 mi0.68 mi17469+1211246+1011246+1017450(Top 66%)11284(Top 74%)11284(Top 214%)
25K15.53 mi2.42 mi17701-23211326-8011326-8018811(Top 71%)11774(Top 78%)11774(Top 223%)
30K18.64 mi3.11 mi17919-21811383-5711383-5718743(Top 70%)11671(Top 77%)11671(Top 221%)
20M20.00 mi1.36 mi18126-20711451-6811451-6819768(Top 74%)12011(Top 79%)12011(Top 227%)
21M21.00 mi1.00 mi18343-21711530-7911530-7920369(Top 77%)12220(Top 81%)12220(Top 231%)
35K21.75 mi0.75 mi18496-15311589-5911589-5921258(Top 80%)12601(Top 83%)12601(Top 238%)
23M23.00 mi1.25 mi18819-32311713-12411713-12421724(Top 82%)12781(Top 84%)12781(Top 242%)
24M24.00 mi1.00 mi19120-30111836-12311836-12322877(Top 86%)13284(Top 88%)13284(Top 251%)
40K24.85 mi0.85 mi19330-21011923-8711923-8722159(Top 83%)12913(Top 85%)12913(Top 244%)
25.2M25.20 mi0.35 mi19403-7311952-2911952-2921538(Top 81%)12629(Top 83%)12629(Top 239%)
Finish26.22 mi1.02 mi19512-10911981-2911981-2921641(Top 81%)12686(Top 84%)12686(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17388

Males

11218

M18-39

11218

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18056

Males

11528

M18-39

11528

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17388

Males

11218

M18-39

11218

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17276

Males

11168

M18-39

11168

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17450

Males

11284

M18-39

11284

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18811

Males

11774

M18-39

11774

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18743

Males

11671

M18-39

11671

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19768

Males

12011

M18-39

12011

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20369

Males

12220

M18-39

12220

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21258

Males

12601

M18-39

12601

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21724

Males

12781

M18-39

12781

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22877

Males

13284

M18-39

13284

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22159

Males

12913

M18-39

12913

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21538

Males

12629

M18-39

12629

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21641

Males

12686

M18-39

12686

Passing Analysis

Category:
Athletes Passed
1073
Passed By
3155
Net Change
-2082
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17430
5K → 10K175499-324#17430#17754
10K → 15K269128+141#17754#17613
15K → 20K239107+132#17613#17481
20K → Half3826+12#17481#17469
Half → 25K59291-232#17469#17701
25K → 30K124342-218#17701#17919
30K → 20M39246-207#17919#18126
20M → 21M35252-217#18126#18343
21M → 35K19172-153#18343#18496
35K → 23M21344-323#18496#18819
23M → 24M13314-301#18819#19120
24M → 40K17227-210#19120#19330
40K → 25.2M578-73#19330#19403
25.2M → Finish20129-109#19403#19512
TOTALS10733155-2082
📊

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