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BOSTON MARATHON 2023

James Mccowan

Bib: 26079•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:35/mi
29:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:20/mi
58:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:25/mi
1:27:59
↑ 67↓ 78
20K· 12.43 mi
9:51/mi
1:58:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:05:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:29:34
↑ 66↓ 880.2%
30K· 18.64 mi
10:28/mi
3:02:06
↑ 181↓ 1480.2%
20M
10:14/mi
3:16:00
↑ 64↓ 500.2%
21M
10:59/mi
3:26:59
↑ 106↓ 241.6%
35K· 21.75 mi
9:56/mi
3:34:25
↑ 17↓ 861.7%
23M
10:23/mi
3:47:25
↑ 23↓ 630.6%
24M
9:41/mi
3:57:06
↓ 821.3%
40K· 24.85 mi
10:05/mi
4:05:43
↓ 200.3%
25.2M
10:52/mi
4:09:28
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:19:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:15
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:14:00
Pace10:13 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3629:469:3529:46
9:35
-
10K
6.21 mi12:21:3558:459:2728:59
9:20
-0:15
15K
9.32 mi12:50:491:27:599:2629:14
9:25
+0:05
20K
12.43 mi13:21:261:58:369:3330:37
9:51
+0:26
Half
13.11 mi13:28:052:05:159:336:39
9:45
-0:06
25K
15.53 mi13:52:242:29:349:3824:19
10:02
+0:17
30K
18.64 mi14:24:563:02:069:4632:32
10:28
+0:26
20M
20.00 mi14:38:503:16:009:4813:54
10:14
-0:14
21M
21.00 mi14:49:493:26:599:5110:59
10:59
+0:45
35K
21.75 mi14:57:153:34:259:527:26
9:56
-1:03
23M
23.00 mi15:10:153:47:259:5313:00
10:23
+0:27
24M
24.00 mi15:19:563:57:069:539:41
9:41
-0:42
40K
24.85 mi15:28:334:05:439:538:37
10:05
+0:24
25.2M
25.20 mi15:32:184:09:289:543:45
10:52
+0:47
Finish
26.22 mi15:42:054:19:159:549:47
9:36
-1:16

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

9:20 /mi

Average Pace

9:54 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:59

77% of race

Time at Steady Pace

1:00:16

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:53 /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 mi11:52:3629:469:3529:46
9:35
#22316
10K
6.21 mi12:21:3558:459:2728:59
9:20
#22217
15K
9.32 mi12:50:491:27:599:2629:14
9:25
#22114
20K
12.43 mi13:21:261:58:369:3330:37
9:51
#22236
Half
13.11 mi13:28:052:05:159:336:39
9:45
#22262
25K
15.53 mi13:52:242:29:349:3824:19
10:02
#22286
30K
18.64 mi14:24:563:02:069:4632:32
10:28
#22276
20M
20.00 mi14:38:503:16:009:4813:54
10:14
#22161
21M
21.00 mi14:49:493:26:599:5110:59
10:59
#22085
35K
21.75 mi14:57:153:34:259:527:26
9:56
#22048
23M
23.00 mi15:10:153:47:259:5313:00
10:23
#21983
24M
24.00 mi15:19:563:57:069:539:41
9:41
#21889
40K
24.85 mi15:28:334:05:439:538:37
10:05
#21833
25.2M
25.20 mi15:32:184:09:289:543:45
10:52
#21801
Finish
26.22 mi15:42:054:19:159:549:47
9:36
#21765
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22316132561325621978(Top 83%)13180(Top 87%)13180(Top 249%)
10K6.21 mi3.10 mi22217+9913235+2113235+2122017(Top 83%)13169(Top 87%)13169(Top 249%)
15K9.32 mi3.11 mi22114+10313194+4113194+4121978(Top 83%)13180(Top 87%)13180(Top 249%)
20K12.43 mi3.11 mi22236-12213260-6613260-6622532(Top 85%)13410(Top 88%)13410(Top 254%)
Half13.11 mi0.68 mi22262-2613275-1513275-1522737(Top 85%)13507(Top 89%)13507(Top 256%)
25K15.53 mi2.42 mi22286-2413267+813267+822268(Top 84%)13264(Top 87%)13264(Top 251%)
30K18.64 mi3.11 mi22276+1013263+413263+422142(Top 83%)13145(Top 87%)13145(Top 249%)
20M20.00 mi1.36 mi22161+11513203+6013203+6021088(Top 79%)12606(Top 83%)12606(Top 239%)
21M21.00 mi1.00 mi22085+7613156+4713156+4720796(Top 78%)12425(Top 82%)12425(Top 235%)
35K21.75 mi0.75 mi22048+3713140+1613140+1621103(Top 79%)12541(Top 83%)12541(Top 237%)
23M23.00 mi1.25 mi21983+6513105+3513105+3521029(Top 79%)12470(Top 82%)12470(Top 236%)
24M24.00 mi1.00 mi21889+9413051+5413051+5419835(Top 75%)11934(Top 79%)11934(Top 226%)
40K24.85 mi0.85 mi21833+5613005+4613005+4620178(Top 76%)12007(Top 79%)12007(Top 227%)
25.2M25.20 mi0.35 mi21801+3212989+1612989+1620152(Top 76%)11998(Top 79%)11998(Top 227%)
Finish26.22 mi1.02 mi21765+3612969+2012969+2020472(Top 77%)12175(Top 80%)12175(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

21978

Males

13180

M18-39

13180

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22017

Males

13169

M18-39

13169

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

21978

Males

13180

M18-39

13180

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22532

Males

13410

M18-39

13410

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22737

Males

13507

M18-39

13507

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22268

Males

13264

M18-39

13264

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22142

Males

13145

M18-39

13145

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21088

Males

12606

M18-39

12606

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20796

Males

12425

M18-39

12425

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21103

Males

12541

M18-39

12541

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21029

Males

12470

M18-39

12470

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19835

Males

11934

M18-39

11934

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20178

Males

12007

M18-39

12007

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20152

Males

11998

M18-39

11998

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20472

Males

12175

M18-39

12175

Passing Analysis

Category:
Athletes Passed
1455
Passed By
904
Net Change
+551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22316
5K → 10K297198+99#22316#22217
10K → 15K222119+103#22217#22114
15K → 20K96218-122#22114#22236
20K → Half1238-26#22236#22262
Half → 25K97121-24#22262#22286
25K → 30K126116+10#22286#22276
30K → 20M13116+115#22276#22161
20M → 21M10024+76#22161#22085
21M → 35K447+37#22085#22048
35K → 23M8419+65#22048#21983
23M → 24M984+94#21983#21889
24M → 40K6711+56#21889#21833
40K → 25.2M320+32#21833#21801
25.2M → Finish4913+36#21801#21765
TOTALS1455904+551
📊

Passing Visuals

Category:
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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