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BOSTON MARATHON 2023

Colin Cook

Bib: 3493•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Masters (Masters Men)
#0 / 9891
Top 0.9%
Division (M40-44)
#0 / 2241
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #985
Start → 5K
6:09/mi
19:05 split
10K· 6.21 mi
37:59
Rank: #994 (-9)
5K → 10K
6:05/mi
18:54 split
15K· 9.32 mi
56:59
Rank: #994
10K → 15K
6:07/mi
19:00 split
20K· 12.43 mi
1:16:04
Rank: #966 (+28)
15K → 20K
6:09/mi
19:05 split
Half· 13.11 mi
1:20:07
Rank: #947 (+19)
20K → Half
5:56/mi
4:03 split
25K· 15.53 mi
1:34:44
Rank: #866 (+81)
Half → 25K
6:02/mi
14:37 split
30K· 18.64 mi
1:53:56
Rank: #798 (+68)
25K → 30K
6:11/mi
19:12 split
20M
2:02:16
Rank: #774 (+24)
30K → 20M
6:08/mi
8:20 split
21M
2:08:43
Rank: #760 (+14)
20M → 21M
6:27/mi
6:27 split
35K· 21.75 mi
2:13:10
Rank: #747 (+13)
21M → 35K
5:57/mi
4:27 split
23M
2:20:47
Rank: #709 (+38)
35K → 23M
6:05/mi
7:37 split
24M
2:26:41
Rank: #686 (+23)
23M → 24M
5:54/mi
5:54 split
40K· 24.85 mi
2:31:59
Rank: #667 (+19)
24M → 40K
6:12/mi
5:18 split
25.2M
2:34:15
Rank: #663 (+4)
40K → 25.2M
6:34/mi
2:16 split
Finish· 26.22 mi
2:40:06
Rank: #637 (+26)
25.2M → Finish
5:44/mi
5:51 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:20:07
Pace6:07 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:59
Pace6:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:056:0919:05
6:09
-
10K
6.21 mi10:39:3637:596:0718:54
6:05
-0:04
15K
9.32 mi10:58:3656:596:0719:00
6:07
+0:02
20K
12.43 mi11:17:411:16:046:0719:05
6:09
+0:02
Half
13.11 mi11:21:441:20:076:074:03
5:56
-0:13
25K
15.53 mi11:36:211:34:446:0614:37
6:02
+0:06
30K
18.64 mi11:55:331:53:566:0719:12
6:11
+0:09
20M
20.00 mi12:03:532:02:166:078:20
6:08
-0:03
21M
21.00 mi12:10:202:08:436:086:27
6:27
+0:19
35K
21.75 mi12:14:472:13:106:074:27
5:57
-0:30
23M
23.00 mi12:22:242:20:476:077:37
6:05
+0:08
24M
24.00 mi12:28:182:26:416:075:54
5:54
-0:11
40K
24.85 mi12:33:362:31:596:075:18
6:12
+0:18
25.2M
25.20 mi12:35:522:34:156:072:16
6:34
+0:22
Finish
26.22 mi12:41:432:40:066:075:51
5:44
-0:50

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

5:44 /mi

Average Pace

6:07 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:23

95% of race

Time at Steady Pace

8:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:06 /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 mi10:20:4219:056:0919:05
6:09
#985
10K
6.21 mi10:39:3637:596:0718:54
6:05
#994
15K
9.32 mi10:58:3656:596:0719:00
6:07
#994
20K
12.43 mi11:17:411:16:046:0719:05
6:09
#966
Half
13.11 mi11:21:441:20:076:074:03
5:56
#947
25K
15.53 mi11:36:211:34:446:0614:37
6:02
#866
30K
18.64 mi11:55:331:53:566:0719:12
6:11
#798
20M
20.00 mi12:03:532:02:166:078:20
6:08
#774
21M
21.00 mi12:10:202:08:436:086:27
6:27
#760
35K
21.75 mi12:14:472:13:106:074:27
5:57
#747
23M
23.00 mi12:22:242:20:476:077:37
6:05
#709
24M
24.00 mi12:28:182:26:416:075:54
5:54
#686
40K
24.85 mi12:33:362:31:596:075:18
6:12
#667
25.2M
25.20 mi12:35:522:34:156:072:16
6:34
#663
Finish
26.22 mi12:41:432:40:066:075:51
5:44
#637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9859299291001(Top 4%)952(Top 6%)952(Top 42%)
10K6.21 mi3.10 mi994-9938-9938-91009(Top 4%)959(Top 6%)959(Top 43%)
15K9.32 mi3.11 mi994942-4942-41001(Top 4%)952(Top 6%)952(Top 42%)
20K12.43 mi3.11 mi966+28916+26916+26888(Top 3%)843(Top 6%)843(Top 38%)
Half13.11 mi0.68 mi947+19898+18898+18617(Top 2%)579(Top 4%)579(Top 26%)
25K15.53 mi2.42 mi866+81819+79819+79585(Top 2%)545(Top 4%)545(Top 24%)
30K18.64 mi3.11 mi798+68755+64755+64641(Top 2%)604(Top 4%)604(Top 27%)
20M20.00 mi1.36 mi774+24732+23732+23540(Top 2%)506(Top 3%)506(Top 23%)
21M21.00 mi1.00 mi760+14718+14718+14564(Top 2%)530(Top 3%)530(Top 24%)
35K21.75 mi0.75 mi747+13705+13705+13592(Top 2%)554(Top 4%)554(Top 25%)
23M23.00 mi1.25 mi709+38667+38667+38437(Top 2%)409(Top 3%)409(Top 18%)
24M24.00 mi1.00 mi686+23645+22645+22392(Top 1%)366(Top 2%)366(Top 16%)
40K24.85 mi0.85 mi667+19626+19626+19651(Top 2%)615(Top 4%)615(Top 27%)
25.2M25.20 mi0.35 mi663+4622+4622+4603(Top 2%)570(Top 4%)570(Top 25%)
Finish26.22 mi1.02 mi637+26597+25597+25291(Top 1%)273(Top 2%)273(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1001

Males

952

M40-44

952

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1009

Males

959

M40-44

959

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1001

Males

952

M40-44

952

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

888

Males

843

M40-44

843

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

617

Males

579

M40-44

579

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

585

Males

545

M40-44

545

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

641

Males

604

M40-44

604

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

540

Males

506

M40-44

506

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

564

Males

530

M40-44

530

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

592

Males

554

M40-44

554

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

437

Males

409

M40-44

409

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

392

Males

366

M40-44

366

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

651

Males

615

M40-44

615

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

603

Males

570

M40-44

570

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

291

Males

273

M40-44

273

Passing Analysis

Category:
Athletes Passed
463
Passed By
115
Net Change
+348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#985
5K → 10K4655-9#985#994
10K → 15K23230#994#994
15K → 20K4113+28#994#966
20K → Half212+19#966#947
Half → 25K810+81#947#866
25K → 30K680+68#866#798
30K → 20M251+24#798#774
20M → 21M206+14#774#760
21M → 35K152+13#760#747
35K → 23M413+38#747#709
23M → 24M263+23#709#686
24M → 40K201+19#686#667
40K → 25.2M95+4#667#663
25.2M → Finish271+26#663#637
TOTALS463115+348
📊

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