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BOSTON MARATHON 2023

Narayanan Muthuswamy

Bib: 16647•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #9444
Start → 5K
7:29/mi
23:14 split
10K· 6.21 mi
47:01
Rank: #10608 (-1164)
5K → 10K
7:39/mi
23:47 split
15K· 9.32 mi
1:10:58
Rank: #11050 (-442)
10K → 15K
7:43/mi
23:57 split
20K· 12.43 mi
1:35:24
Rank: #11318 (-268)
15K → 20K
7:52/mi
24:26 split
Half· 13.11 mi
1:40:52
Rank: #11485 (-167)
20K → Half
8:01/mi
5:28 split
25K· 15.53 mi
2:00:30
Rank: #11784 (-299)
Half → 25K
8:06/mi
19:38 split
30K· 18.64 mi
2:27:09
Rank: #12415 (-631)
25K → 30K
8:35/mi
26:39 split
20M
2:39:06
Rank: #12659 (-244)
30K → 20M
8:48/mi
11:57 split
21M
2:49:09
Rank: #13089 (-430)
20M → 21M
10:03/mi
10:03 split
35K· 21.75 mi
2:55:55
Rank: #13323 (-234)
21M → 35K
9:03/mi
6:46 split
23M
3:08:06
Rank: #13795 (-472)
35K → 23M
9:44/mi
12:11 split
24M
3:17:09
Rank: #13976 (-181)
23M → 24M
9:03/mi
9:03 split
40K· 24.85 mi
3:25:14
Rank: #14190 (-214)
24M → 40K
9:27/mi
8:05 split
25.2M
3:28:54
Rank: #14305 (-115)
40K → 25.2M
10:38/mi
3:40 split
Finish· 26.22 mi
3:38:23
Rank: #14526 (-221)
25.2M → Finish
9:18/mi
9:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:52
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:57:31
Pace8:58 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1723:147:2923:14
7:29
-
10K
6.21 mi11:37:0447:017:3423:47
7:39
+0:10
15K
9.32 mi12:01:011:10:587:3723:57
7:43
+0:04
20K
12.43 mi12:25:271:35:247:4124:26
7:52
+0:09
Half
13.11 mi12:30:551:40:527:425:28
8:01
+0:09
25K
15.53 mi12:50:332:00:307:4519:38
8:06
+0:05
30K
18.64 mi13:17:122:27:097:5426:39
8:35
+0:29
20M
20.00 mi13:29:092:39:067:5711:57
8:48
+0:13
21M
21.00 mi13:39:122:49:098:0310:03
10:03
+1:15
35K
21.75 mi13:45:582:55:558:056:46
9:03
-1:00
23M
23.00 mi13:58:093:08:068:1112:11
9:44
+0:41
24M
24.00 mi14:07:123:17:098:139:03
9:03
-0:41
40K
24.85 mi14:15:173:25:148:158:05
9:27
+0:24
25.2M
25.20 mi14:18:573:28:548:173:40
10:38
+1:11
Finish
26.22 mi14:28:263:38:238:209:29
9:18
-1:20

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

7:29 /mi

Average Pace

8:20 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:30

55% of race

Time at Steady Pace

54:25

25% of race

Time at Slower Pace

43:28

20% of race

Average Pace: 8:20 /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 mi11:13:1723:147:2923:14
7:29
#9444
10K
6.21 mi11:37:0447:017:3423:47
7:39
#10608
15K
9.32 mi12:01:011:10:587:3723:57
7:43
#11050
20K
12.43 mi12:25:271:35:247:4124:26
7:52
#11318
Half
13.11 mi12:30:551:40:527:425:28
8:01
#11485
25K
15.53 mi12:50:332:00:307:4519:38
8:06
#11784
30K
18.64 mi13:17:122:27:097:5426:39
8:35
#12415
20M
20.00 mi13:29:092:39:067:5711:57
8:48
#12659
21M
21.00 mi13:39:122:49:098:0310:03
10:03
#13089
35K
21.75 mi13:45:582:55:558:056:46
9:03
#13323
23M
23.00 mi13:58:093:08:068:1112:11
9:44
#13795
24M
24.00 mi14:07:123:17:098:139:03
9:03
#13976
40K
24.85 mi14:15:173:25:148:158:05
9:27
#14190
25.2M
25.20 mi14:18:573:28:548:173:40
10:38
#14305
Finish
26.22 mi14:28:263:38:238:209:29
9:18
#14526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi94447843784311914(Top 45%)9047(Top 60%)9047(Top 636%)
10K6.21 mi3.10 mi10608-11648474-6318474-63111831(Top 44%)9040(Top 60%)9040(Top 636%)
15K9.32 mi3.11 mi11050-4428680-2068680-20611914(Top 45%)9047(Top 60%)9047(Top 636%)
20K12.43 mi3.11 mi11318-2688791-1118791-11112280(Top 46%)9143(Top 60%)9143(Top 643%)
Half13.11 mi0.68 mi11485-1678854-638854-6314433(Top 54%)10072(Top 66%)10072(Top 708%)
25K15.53 mi2.42 mi11784-2998966-1128966-11213489(Top 51%)9558(Top 63%)9558(Top 672%)
30K18.64 mi3.11 mi12415-6319191-2259191-22514773(Top 55%)9958(Top 66%)9958(Top 700%)
20M20.00 mi1.36 mi12659-2449272-819272-8115372(Top 58%)10149(Top 67%)10149(Top 714%)
21M21.00 mi1.00 mi13089-4309441-1699441-16918184(Top 68%)11294(Top 74%)11294(Top 794%)
35K21.75 mi0.75 mi13323-2349522-819522-8118052(Top 68%)11154(Top 73%)11154(Top 784%)
23M23.00 mi1.25 mi13795-4729683-1619683-16119173(Top 72%)11637(Top 77%)11637(Top 818%)
24M24.00 mi1.00 mi13976-1819720-379720-3717428(Top 65%)10809(Top 71%)10809(Top 760%)
40K24.85 mi0.85 mi14190-2149786-669786-6618155(Top 68%)11101(Top 73%)11101(Top 781%)
25.2M25.20 mi0.35 mi14305-1159822-369822-3619448(Top 73%)11656(Top 77%)11656(Top 820%)
Finish26.22 mi1.02 mi14526-2219892-709892-7019369(Top 73%)11684(Top 77%)11684(Top 822%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11914

Males

9047

M55-59

9047

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11831

Males

9040

M55-59

9040

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11914

Males

9047

M55-59

9047

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12280

Males

9143

M55-59

9143

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14433

Males

10072

M55-59

10072

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13489

Males

9558

M55-59

9558

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14773

Males

9958

M55-59

9958

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15372

Males

10149

M55-59

10149

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18184

Males

11294

M55-59

11294

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18052

Males

11154

M55-59

11154

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19173

Males

11637

M55-59

11637

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17428

Males

10809

M55-59

10809

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18155

Males

11101

M55-59

11101

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19448

Males

11656

M55-59

11656

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19369

Males

11684

M55-59

11684

Passing Analysis

Category:
Athletes Passed
501
Passed By
5582
Net Change
-5082
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9444
5K → 10K391202-1164#9444#10608
10K → 15K71513-442#10608#11050
15K → 20K81349-268#11050#11318
20K → Half5172-167#11318#11485
Half → 25K61360-299#11485#11784
25K → 30K67698-631#11784#12415
30K → 20M45289-244#12415#12659
20M → 21M20450-430#12659#13089
21M → 35K16250-234#13089#13323
35K → 23M14486-472#13323#13795
23M → 24M26207-181#13795#13976
24M → 40K30244-214#13976#14190
40K → 25.2M7122-115#14190#14305
25.2M → Finish19240-221#14305#14526
TOTALS5015582-5082
📊

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