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BOSTON MARATHON 2023

Vimal Kumar Kumarasamy

Bib: 3647•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #4785
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
41:45
Rank: #4179 (+606)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:02:17
Rank: #3844 (+335)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:56
Rank: #3628 (+216)
15K → 20K
20:39 | 6:39/mi
Half· 13.11 mi
1:27:29
Rank: #3652 (-24)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:45:12
Rank: #4420 (-768)
Half → 25K
17:43 | 7:18/mi
30K· 18.64 mi
2:06:08
Rank: #4002 (+418)
25K → 30K
20:56 | 6:44/mi
20M
2:15:22
Rank: #3856 (+146)
30K → 20M
9:14 | 6:48/mi
21M
2:22:47
Rank: #3855 (+1)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:27:48
Rank: #3839 (+16)
21M → 35K
5:01 | 6:42/mi
23M
2:36:22
Rank: #3734 (+105)
35K → 23M
8:34 | 6:51/mi
24M
2:42:57
Rank: #3632 (+102)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:48:46
Rank: #3563 (+69)
24M → 40K
5:49 | 6:48/mi
25.2M
2:51:17
Rank: #3537 (+26)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:58:01
Rank: #3494 (+43)
25.2M → Finish
6:44 | 6:36/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
Time1:30:32
Pace6:54 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1021:106:4921:10
6:49
-
10K
6.21 mi10:43:4541:456:4320:35
6:38
-0:11
15K
9.32 mi11:04:171:02:176:4120:32
6:37
-0:01
20K
12.43 mi11:24:561:22:566:4020:39
6:39
+0:02
Half
13.11 mi11:29:291:27:296:404:33
6:40
+0:01
25K
15.53 mi11:47:121:45:126:4617:43
7:18
+0:38
30K
18.64 mi12:08:082:06:086:4620:56
6:44
-0:34
20M
20.00 mi12:17:222:15:226:469:14
6:48
+0:04
21M
21.00 mi12:24:472:22:476:487:25
7:25
+0:37
35K
21.75 mi12:29:482:27:486:485:01
6:42
-0:43
23M
23.00 mi12:38:222:36:226:488:34
6:51
+0:09
24M
24.00 mi12:44:572:42:576:476:35
6:35
-0:16
40K
24.85 mi12:50:462:48:466:475:49
6:48
+0:13
25.2M
25.20 mi12:53:172:51:176:482:31
7:18
+0:30
Finish
26.22 mi13:00:012:58:016:486:44
6:36
-0:42

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

6:35 /mi

Average Pace

6:48 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:22

84% of race

Time at Steady Pace

27:39

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:23:1021:106:4921:10
6:49
#4785
10K
6.21 mi10:43:4541:456:4320:35
6:38
#4179
15K
9.32 mi11:04:171:02:176:4120:32
6:37
#3844
20K
12.43 mi11:24:561:22:566:4020:39
6:39
#3628
Half
13.11 mi11:29:291:27:296:404:33
6:40
#3652
25K
15.53 mi11:47:121:45:126:4617:43
7:18
#4420
30K
18.64 mi12:08:082:06:086:4620:56
6:44
#4002
20M
20.00 mi12:17:222:15:226:469:14
6:48
#3856
21M
21.00 mi12:24:472:22:476:487:25
7:25
#3855
35K
21.75 mi12:29:482:27:486:485:01
6:42
#3839
23M
23.00 mi12:38:222:36:226:488:34
6:51
#3734
24M
24.00 mi12:44:572:42:576:476:35
6:35
#3632
40K
24.85 mi12:50:462:48:466:475:49
6:48
#3563
25.2M
25.20 mi12:53:172:51:176:482:31
7:18
#3537
Finish
26.22 mi13:00:012:58:016:486:44
6:36
#3494
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4785445144513360(Top 13%)3189(Top 21%)3189(Top 60%)
10K6.21 mi3.10 mi4179+6063917+5343917+5343680(Top 14%)3476(Top 23%)3476(Top 66%)
15K9.32 mi3.11 mi3844+3353622+2953622+2953360(Top 13%)3189(Top 21%)3189(Top 60%)
20K12.43 mi3.11 mi3628+2163434+1883434+1883154(Top 12%)3000(Top 20%)3000(Top 57%)
Half13.11 mi0.68 mi3652-243456-223456-224004(Top 15%)3756(Top 25%)3756(Top 71%)
25K15.53 mi2.42 mi4420-7684134-6784134-6787312(Top 27%)6356(Top 42%)6356(Top 120%)
30K18.64 mi3.11 mi4002+4183766+3683766+3682621(Top 10%)2492(Top 16%)2492(Top 47%)
20M20.00 mi1.36 mi3856+1463632+1343632+1342791(Top 10%)2638(Top 17%)2638(Top 50%)
21M21.00 mi1.00 mi3855+13631+13631+14177(Top 16%)3829(Top 25%)3829(Top 72%)
35K21.75 mi0.75 mi3839+163612+193612+193586(Top 13%)3320(Top 22%)3320(Top 63%)
23M23.00 mi1.25 mi3734+1053518+943518+942908(Top 11%)2718(Top 18%)2718(Top 51%)
24M24.00 mi1.00 mi3632+1023425+933425+932492(Top 9%)2328(Top 15%)2328(Top 44%)
40K24.85 mi0.85 mi3563+693364+613364+612848(Top 11%)2622(Top 17%)2622(Top 50%)
25.2M25.20 mi0.35 mi3537+263338+263338+262937(Top 11%)2692(Top 18%)2692(Top 51%)
Finish26.22 mi1.02 mi3494+433290+483290+483017(Top 11%)2726(Top 18%)2726(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3360

Males

3189

M18-39

3189

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3680

Males

3476

M18-39

3476

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3360

Males

3189

M18-39

3189

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3154

Males

3000

M18-39

3000

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4004

Males

3756

M18-39

3756

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7312

Males

6356

M18-39

6356

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2621

Males

2492

M18-39

2492

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2791

Males

2638

M18-39

2638

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4177

Males

3829

M18-39

3829

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3586

Males

3320

M18-39

3320

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2908

Males

2718

M18-39

2718

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2492

Males

2328

M18-39

2328

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2848

Males

2622

M18-39

2622

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2937

Males

2692

M18-39

2692

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3017

Males

2726

M18-39

2726

Passing Analysis

Category:
Athletes Passed
2351
Passed By
1060
Net Change
+1291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4785
5K → 10K63933+606#4785#4179
10K → 15K35621+335#4179#3844
15K → 20K23620+216#3844#3628
20K → Half1034-24#3628#3652
Half → 25K10778-768#3652#4420
25K → 30K4213+418#4420#4002
30K → 20M1559+146#4002#3856
20M → 21M6766+1#3856#3855
21M → 35K3721+16#3855#3839
35K → 23M11914+105#3839#3734
23M → 24M1108+102#3734#3632
24M → 40K8112+69#3632#3563
40K → 25.2M315+26#3563#3537
25.2M → Finish7936+43#3537#3494
TOTALS23511060+1291
📊

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