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BOSTON MARATHON 2025

Ketan Cowan

Bib: 5258•M

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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4876
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:45
Rank: #5561 (-685)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:05:31
Rank: #7969 (-2408)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:34:27
Rank: #12493 (-4524)
15K → 20K
28:56 | 9:19/mi
Half· 13.11 mi
1:40:54
Rank: #13334 (-841)
20K → Half
6:27 | 9:27/mi
25K· 15.53 mi
2:09:55
Rank: #18002 (-4668)
Half → 25K
29:01 | 11:58/mi
30K· 18.64 mi
2:56:28
Rank: #22715 (-4713)
25K → 30K
46:33 | 14:59/mi
20M
3:34:19
Rank: #25456 (-2741)
30K → 20M
37:51 | 27:51/mi
21M
3:51:56
Rank: #25793 (-337)
20M → 21M
17:37 | 17:37/mi
35K· 21.75 mi
3:59:05
Rank: #25671 (+122)
21M → 35K
7:09 | 9:33/mi
23M
4:20:59
Rank: #26121 (-450)
35K → 23M
21:54 | 17:29/mi
24M
4:36:59
Rank: #26336 (-215)
23M → 24M
16:00 | 16:00/mi
40K· 24.85 mi
4:44:41
Rank: #26164 (+172)
24M → 40K
7:42 | 9:00/mi
25.2M
4:47:52
Rank: #26090 (+74)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
4:55:57
Rank: #25905 (+185)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:54
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time3:15:03
Pace14:53 /mi
📊Positive Split: 93.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2820:366:3820:36
6:38
-
10K
6.21 mi10:46:3741:456:4321:09
6:48
+0:10
15K
9.32 mi11:10:231:05:317:0223:46
7:39
+0:51
20K
12.43 mi11:39:191:34:277:3628:56
9:19
+1:40
Half
13.11 mi11:45:461:40:547:426:27
9:27
+0:08
25K
15.53 mi12:14:472:09:558:2229:01
11:58
+2:31
30K
18.64 mi13:01:202:56:289:2846:33
14:59
+3:01
20M
20.00 mi13:39:113:34:1910:4337:51
27:51
+12:52
21M
21.00 mi13:56:483:51:5611:0317:37
17:37
-10:14
35K
21.75 mi14:03:573:59:0511:007:09
9:33
-8:04
23M
23.00 mi14:25:514:20:5911:2121:54
17:29
+7:56
24M
24.00 mi14:41:514:36:5911:3216:00
16:00
-1:29
40K
24.85 mi14:49:334:44:4111:277:42
9:00
-7:00
25.2M
25.20 mi14:52:444:47:5211:253:11
9:14
+0:14
Finish
26.22 mi15:00:494:55:5711:188:05
7:56
-1:18

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

11:18 /mi

Slowest Pace

27:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:36

7% of race

Time at Steady Pace

2:15:26

46% of race

Time at Slower Pace

2:19:55

47% of race

Average Pace: 11:17 /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 mi10:25:2820:366:3820:36
6:38
#4876
10K
6.21 mi10:46:3741:456:4321:09
6:48
#5561
15K
9.32 mi11:10:231:05:317:0223:46
7:39
#7969
20K
12.43 mi11:39:191:34:277:3628:56
9:19
#12493
Half
13.11 mi11:45:461:40:547:426:27
9:27
#13334
25K
15.53 mi12:14:472:09:558:2229:01
11:58
#18002
30K
18.64 mi13:01:202:56:289:2846:33
14:59
#22715
20M
20.00 mi13:39:113:34:1910:4337:51
27:51
#25456
21M
21.00 mi13:56:483:51:5611:0317:37
17:37
#25793
35K
21.75 mi14:03:573:59:0511:007:09
9:33
#25671
23M
23.00 mi14:25:514:20:5911:2121:54
17:29
#26121
24M
24.00 mi14:41:514:36:5911:3216:00
16:00
#26336
40K
24.85 mi14:49:334:44:4111:277:42
9:00
#26164
25.2M
25.20 mi14:52:444:47:5211:253:11
9:14
#26090
Finish
26.22 mi15:00:494:55:5711:188:05
7:56
#25905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi48764566456613042(Top 46%)9541(Top 59%)9541(Top 169%)
10K6.21 mi3.10 mi5561-6855141-5755141-5756482(Top 23%)5870(Top 36%)5870(Top 104%)
15K9.32 mi3.11 mi7969-24086957-18166957-181613042(Top 46%)9541(Top 59%)9541(Top 169%)
20K12.43 mi3.11 mi12493-45249317-23609317-236022301(Top 79%)13494(Top 84%)13494(Top 239%)
Half13.11 mi0.68 mi13334-8419667-3509667-35023424(Top 82%)13987(Top 87%)13987(Top 248%)
25K15.53 mi2.42 mi18002-466811592-192511592-192526401(Top 93%)15253(Top 95%)15253(Top 270%)
30K18.64 mi3.11 mi22715-471313631-203913631-203928026(Top 99%)15889(Top 99%)15889(Top 282%)
20M20.00 mi1.36 mi25456-274114843-121214843-121228401(Top 100%)16103(Top 100%)16103(Top 285%)
21M21.00 mi1.00 mi25793-33714989-14614989-14628246(Top 99%)16011(Top 99%)16011(Top 284%)
35K21.75 mi0.75 mi25671+12214924+6514924+6520526(Top 72%)12230(Top 76%)12230(Top 217%)
23M23.00 mi1.25 mi26121-45015122-19815122-19828303(Top 100%)16034(Top 100%)16034(Top 284%)
24M24.00 mi1.00 mi26336-21515201-7915201-7928226(Top 99%)15973(Top 99%)15973(Top 283%)
40K24.85 mi0.85 mi26164+17215120+8115120+8116333(Top 58%)10082(Top 63%)10082(Top 179%)
25.2M25.20 mi0.35 mi26090+7415089+3115089+3113098(Top 46%)8543(Top 53%)8543(Top 151%)
Finish26.22 mi1.02 mi25905+18514998+9114998+9112425(Top 44%)8258(Top 51%)8258(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13042

Males

9541

M18-39

9541

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6482

Males

5870

M18-39

5870

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13042

Males

9541

M18-39

9541

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22301

Males

13494

M18-39

13494

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23424

Males

13987

M18-39

13987

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26401

Males

15253

M18-39

15253

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28026

Males

15889

M18-39

15889

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

28401

Males

16103

M18-39

16103

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28246

Males

16011

M18-39

16011

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20526

Males

12230

M18-39

12230

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

28303

Males

16034

M18-39

16034

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28226

Males

15973

M18-39

15973

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16333

Males

10082

M18-39

10082

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13098

Males

8543

M18-39

8543

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12425

Males

8258

M18-39

8258

Passing Analysis

Category:
Athletes Passed
605
Passed By
21632
Net Change
-21029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4876
5K → 10K32717-685#4876#5561
10K → 15K32411-2408#5561#7969
15K → 20K14523-4524#7969#12493
20K → Half0841-841#12493#13334
Half → 25K24670-4668#13334#18002
25K → 30K34716-4713#18002#22715
30K → 20M22743-2741#22715#25456
20M → 21M4341-337#25456#25793
21M → 35K1231+122#25793#25671
35K → 23M0450-450#25671#26121
23M → 24M4219-215#26121#26336
24M → 40K1720+172#26336#26164
40K → 25.2M740+74#26164#26090
25.2M → Finish1850+185#26090#25905
TOTALS60521632-21029
📊

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