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BOSTON MARATHON 2023

Samuel Baum

Bib: 25555•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

Start
0:00:00
Race begins
5K· 3.11 mi
25:58
Rank: #16555
Start → 5K
25:58 | 8:21/mi
10K· 6.21 mi
52:19
Rank: #17337 (-782)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:19:07
Rank: #17772 (-435)
10K → 15K
26:48 | 8:38/mi
20K· 12.43 mi
1:46:36
Rank: #18075 (-303)
15K → 20K
27:29 | 8:51/mi
Half· 13.11 mi
1:52:24
Rank: #18036 (+39)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:13:41
Rank: #17988 (+48)
Half → 25K
21:17 | 8:47/mi
30K· 18.64 mi
2:41:58
Rank: #17902 (+86)
25K → 30K
28:17 | 9:06/mi
20M
2:54:28
Rank: #17858 (+44)
30K → 20M
12:30 | 9:12/mi
21M
3:03:39
Rank: #17667 (+191)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
3:10:05
Rank: #17581 (+86)
21M → 35K
6:26 | 8:36/mi
23M
3:21:10
Rank: #17444 (+137)
35K → 23M
11:05 | 8:51/mi
24M
3:29:54
Rank: #17375 (+69)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
3:37:36
Rank: #17323 (+52)
24M → 40K
7:42 | 9:00/mi
25.2M
3:40:59
Rank: #17307 (+16)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:49:47
Rank: #17294 (+13)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:24
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:57:23
Pace8:57 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:5925:588:2125:58
8:21
-
10K
6.21 mi12:08:2052:198:2526:21
8:29
+0:08
15K
9.32 mi12:35:081:19:078:2926:48
8:38
+0:09
20K
12.43 mi13:02:371:46:368:3527:29
8:51
+0:13
Half
13.11 mi13:08:251:52:248:345:48
8:30
-0:21
25K
15.53 mi13:29:422:13:418:3621:17
8:47
+0:17
30K
18.64 mi13:57:592:41:588:4128:17
9:06
+0:19
20M
20.00 mi14:10:292:54:288:4312:30
9:12
+0:06
21M
21.00 mi14:19:403:03:398:459:11
9:11
-0:01
35K
21.75 mi14:26:063:10:058:446:26
8:36
-0:35
23M
23.00 mi14:37:113:21:108:4511:05
8:51
+0:15
24M
24.00 mi14:45:553:29:548:458:44
8:44
-0:07
40K
24.85 mi14:53:373:37:368:457:42
9:00
+0:16
25.2M
25.20 mi14:57:003:40:598:463:23
9:49
+0:49
Finish
26.22 mi15:05:483:49:478:468:48
8:38
-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

8:21 /mi

Average Pace

8:46 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:54

93% of race

Time at Steady Pace

15:53

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi11:41:5925:588:2125:58
8:21
#16555
10K
6.21 mi12:08:2052:198:2526:21
8:29
#17337
15K
9.32 mi12:35:081:19:078:2926:48
8:38
#17772
20K
12.43 mi13:02:371:46:368:3527:29
8:51
#18075
Half
13.11 mi13:08:251:52:248:345:48
8:30
#18036
25K
15.53 mi13:29:422:13:418:3621:17
8:47
#17988
30K
18.64 mi13:57:592:41:588:4128:17
9:06
#17902
20M
20.00 mi14:10:292:54:288:4312:30
9:12
#17858
21M
21.00 mi14:19:403:03:398:459:11
9:11
#17667
35K
21.75 mi14:26:063:10:058:446:26
8:36
#17581
23M
23.00 mi14:37:113:21:108:4511:05
8:51
#17444
24M
24.00 mi14:45:553:29:548:458:44
8:44
#17375
40K
24.85 mi14:53:373:37:368:457:42
9:00
#17323
25.2M
25.20 mi14:57:003:40:598:463:23
9:49
#17307
Finish
26.22 mi15:05:483:49:478:468:48
8:38
#17294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16555108991089918587(Top 70%)11712(Top 77%)11712(Top 222%)
10K6.21 mi3.10 mi17337-78211186-28711186-28718137(Top 68%)11559(Top 76%)11559(Top 219%)
15K9.32 mi3.11 mi17772-43511366-18011366-18018587(Top 70%)11712(Top 77%)11712(Top 222%)
20K12.43 mi3.11 mi18075-30311496-13011496-13018908(Top 71%)11851(Top 78%)11851(Top 224%)
Half13.11 mi0.68 mi18036+3911483+1311483+1317682(Top 66%)11370(Top 75%)11370(Top 215%)
25K15.53 mi2.42 mi17988+4811438+4511438+4517811(Top 67%)11324(Top 75%)11324(Top 214%)
30K18.64 mi3.11 mi17902+8611376+6211376+6217698(Top 66%)11209(Top 74%)11209(Top 212%)
20M20.00 mi1.36 mi17858+4411341+3511341+3517523(Top 66%)11037(Top 73%)11037(Top 209%)
21M21.00 mi1.00 mi17667+19111256+8511256+8514391(Top 54%)9673(Top 64%)9673(Top 183%)
35K21.75 mi0.75 mi17581+8611204+5211204+5215838(Top 59%)10229(Top 67%)10229(Top 194%)
23M23.00 mi1.25 mi17444+13711134+7011134+7015275(Top 57%)9932(Top 65%)9932(Top 188%)
24M24.00 mi1.00 mi17375+6911100+3411100+3415840(Top 59%)10106(Top 67%)10106(Top 191%)
40K24.85 mi0.85 mi17323+5211060+4011060+4016149(Top 61%)10193(Top 67%)10193(Top 193%)
25.2M25.20 mi0.35 mi17307+1611047+1311047+1316545(Top 62%)10357(Top 68%)10357(Top 196%)
Finish26.22 mi1.02 mi17294+1311036+1111036+1116153(Top 61%)10235(Top 67%)10235(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18587

Males

11712

M18-39

11712

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18137

Males

11559

M18-39

11559

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18587

Males

11712

M18-39

11712

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18908

Males

11851

M18-39

11851

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17682

Males

11370

M18-39

11370

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17811

Males

11324

M18-39

11324

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17698

Males

11209

M18-39

11209

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17523

Males

11037

M18-39

11037

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14391

Males

9673

M18-39

9673

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15838

Males

10229

M18-39

10229

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15275

Males

9932

M18-39

9932

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15840

Males

10106

M18-39

10106

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16149

Males

10193

M18-39

10193

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16545

Males

10357

M18-39

10357

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16153

Males

10235

M18-39

10235

Passing Analysis

Category:
Athletes Passed
1551
Passed By
2290
Net Change
-739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16555
5K → 10K89871-782#16555#17337
10K → 15K74509-435#17337#17772
15K → 20K98401-303#17772#18075
20K → Half5213+39#18075#18036
Half → 25K150102+48#18036#17988
25K → 30K225139+86#17988#17902
30K → 20M11672+44#17902#17858
20M → 21M20211+191#17858#17667
21M → 35K10115+86#17667#17581
35K → 23M15922+137#17581#17444
23M → 24M9425+69#17444#17375
24M → 40K8937+52#17375#17323
40K → 25.2M3418+16#17323#17307
25.2M → Finish6855+13#17307#17294
TOTALS15512290-739
📊

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