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BOSTON MARATHON 2023

Noah Shapiro

Bib: 30856•M

NY

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:05
Rank: #23447
Start → 5K
31:05 | 10:00/mi
10K· 6.21 mi
1:00:06
Rank: #22811 (+636)
5K → 10K
29:01 | 9:20/mi
15K· 9.32 mi
1:30:41
Rank: #22963 (-152)
10K → 15K
30:35 | 9:51/mi
20K· 12.43 mi
1:59:18
Rank: #22395 (+568)
15K → 20K
28:37 | 9:13/mi
Half· 13.11 mi
2:05:32
Rank: #22322 (+73)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:29:04
Rank: #22184 (+138)
Half → 25K
23:32 | 9:42/mi
30K· 18.64 mi
2:59:17
Rank: #21818 (+366)
25K → 30K
30:13 | 9:44/mi
20M
3:13:39
Rank: #21817 (+1)
30K → 20M
14:22 | 10:34/mi
21M
3:24:33
Rank: #21765 (+52)
20M → 21M
10:54 | 10:54/mi
35K· 21.75 mi
3:32:14
Rank: #21787 (-22)
21M → 35K
7:41 | 10:16/mi
23M
3:45:13
Rank: #21727 (+60)
35K → 23M
12:59 | 10:22/mi
24M
3:55:43
Rank: #21752 (-25)
23M → 24M
10:30 | 10:30/mi
40K· 24.85 mi
4:04:39
Rank: #21718 (+34)
24M → 40K
8:56 | 10:27/mi
25.2M
4:08:16
Rank: #21689 (+29)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:17:45
Rank: #21613 (+76)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:32
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:12:13
Pace10:05 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3231:0510:0031:05
10:00
-
10K
6.21 mi12:18:331:00:069:4029:01
9:20
-0:40
15K
9.32 mi12:49:081:30:419:4430:35
9:51
+0:31
20K
12.43 mi13:17:451:59:189:3628:37
9:13
-0:38
Half
13.11 mi13:23:592:05:329:356:14
9:08
-0:05
25K
15.53 mi13:47:312:29:049:3623:32
9:42
+0:34
30K
18.64 mi14:17:442:59:179:3730:13
9:44
+0:02
20M
20.00 mi14:32:063:13:399:4114:22
10:34
+0:50
21M
21.00 mi14:43:003:24:339:4410:54
10:54
+0:20
35K
21.75 mi14:50:413:32:149:467:41
10:16
-0:38
23M
23.00 mi15:03:403:45:139:4812:59
10:22
+0:06
24M
24.00 mi15:14:103:55:439:4910:30
10:30
+0:08
40K
24.85 mi15:23:064:04:399:518:56
10:27
-0:03
25.2M
25.20 mi15:26:434:08:169:513:37
10:29
+0:02
Finish
26.22 mi15:36:124:17:459:509:29
9:18
-1:11

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

9:08 /mi

Average Pace

9:50 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:46

73% of race

Time at Steady Pace

58:05

23% of race

Time at Slower Pace

10:54

4% of race

Average Pace: 9:50 /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 mi11:49:3231:0510:0031:05
10:00
#23447
10K
6.21 mi12:18:331:00:069:4029:01
9:20
#22811
15K
9.32 mi12:49:081:30:419:4430:35
9:51
#22963
20K
12.43 mi13:17:451:59:189:3628:37
9:13
#22395
Half
13.11 mi13:23:592:05:329:356:14
9:08
#22322
25K
15.53 mi13:47:312:29:049:3623:32
9:42
#22184
30K
18.64 mi14:17:442:59:179:3730:13
9:44
#21818
20M
20.00 mi14:32:063:13:399:4114:22
10:34
#21817
21M
21.00 mi14:43:003:24:339:4410:54
10:54
#21765
35K
21.75 mi14:50:413:32:149:467:41
10:16
#21787
23M
23.00 mi15:03:403:45:139:4812:59
10:22
#21727
24M
24.00 mi15:14:103:55:439:4910:30
10:30
#21752
40K
24.85 mi15:23:064:04:399:518:56
10:27
#21718
25.2M
25.20 mi15:26:434:08:169:513:37
10:29
#21689
Finish
26.22 mi15:36:124:17:459:509:29
9:18
#21613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23447138011380123160(Top 87%)13706(Top 90%)13706(Top 259%)
10K6.21 mi3.10 mi22811+63613528+27313528+27322043(Top 83%)13183(Top 87%)13183(Top 249%)
15K9.32 mi3.11 mi22963-15213606-7813606-7823160(Top 87%)13706(Top 90%)13706(Top 259%)
20K12.43 mi3.11 mi22395+56813347+25913347+25920618(Top 77%)12582(Top 83%)12582(Top 238%)
Half13.11 mi0.68 mi22322+7313308+3913308+3920940(Top 79%)12708(Top 84%)12708(Top 240%)
25K15.53 mi2.42 mi22184+13813230+7813230+7821471(Top 81%)12908(Top 85%)12908(Top 244%)
30K18.64 mi3.11 mi21818+36613064+16613064+16620217(Top 76%)12304(Top 81%)12304(Top 233%)
20M20.00 mi1.36 mi21817+113053+1113053+1121892(Top 82%)12952(Top 85%)12952(Top 245%)
21M21.00 mi1.00 mi21765+5213020+3313020+3320597(Top 77%)12339(Top 81%)12339(Top 233%)
35K21.75 mi0.75 mi21787-2213021-113021-121917(Top 82%)12888(Top 85%)12888(Top 244%)
23M23.00 mi1.25 mi21727+6012978+4312978+4320994(Top 79%)12453(Top 82%)12453(Top 236%)
24M24.00 mi1.00 mi21752-2512979-112979-122034(Top 83%)12894(Top 85%)12894(Top 244%)
40K24.85 mi0.85 mi21718+3412951+2812951+2821084(Top 79%)12400(Top 82%)12400(Top 235%)
25.2M25.20 mi0.35 mi21689+2912932+1912932+1919055(Top 72%)11511(Top 76%)11511(Top 218%)
Finish26.22 mi1.02 mi21613+7612889+4312889+4319391(Top 73%)11706(Top 77%)11706(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23160

Males

13706

M18-39

13706

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22043

Males

13183

M18-39

13183

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23160

Males

13706

M18-39

13706

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20618

Males

12582

M18-39

12582

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20940

Males

12708

M18-39

12708

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21471

Males

12908

M18-39

12908

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20217

Males

12304

M18-39

12304

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21892

Males

12952

M18-39

12952

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20597

Males

12339

M18-39

12339

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21917

Males

12888

M18-39

12888

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20994

Males

12453

M18-39

12453

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22034

Males

12894

M18-39

12894

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21084

Males

12400

M18-39

12400

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19055

Males

11511

M18-39

11511

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19391

Males

11706

M18-39

11706

Passing Analysis

Category:
Athletes Passed
2443
Passed By
609
Net Change
+1834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23447
5K → 10K67236+636#23447#22811
10K → 15K99251-152#22811#22963
15K → 20K5713+568#22963#22395
20K → Half807+73#22395#22322
Half → 25K17436+138#22322#22184
25K → 30K37812+366#22184#21818
30K → 20M7170+1#21818#21817
20M → 21M8028+52#21817#21765
21M → 35K2749-22#21765#21787
35K → 23M8929+60#21787#21727
23M → 24M3459-25#21727#21752
24M → 40K5218+34#21752#21718
40K → 25.2M356+29#21718#21689
25.2M → Finish815+76#21689#21613
TOTALS2443609+1834
📊

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