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BOSTON MARATHON 2023

Louis Szilagyi

Bib: 27326•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
28:32
Rank: #21162
Start → 5K
28:32 | 9:11/mi
10K· 6.21 mi
55:40
Rank: #20447 (+715)
5K → 10K
27:08 | 8:44/mi
15K· 9.32 mi
1:21:48
Rank: #19473 (+974)
10K → 15K
26:08 | 8:25/mi
20K· 12.43 mi
1:48:06
Rank: #18774 (+699)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:53:48
Rank: #18698 (+76)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:14:22
Rank: #18263 (+435)
Half → 25K
20:34 | 8:29/mi
30K· 18.64 mi
2:43:11
Rank: #18300 (-37)
25K → 30K
28:49 | 9:17/mi
20M
2:56:25
Rank: #18447 (-147)
30K → 20M
13:14 | 9:44/mi
21M
3:08:15
Rank: #18883 (-436)
20M → 21M
11:50 | 11:50/mi
35K· 21.75 mi
3:14:55
Rank: #18824 (+59)
21M → 35K
6:40 | 8:55/mi
23M
3:27:06
Rank: #18853 (-29)
35K → 23M
12:11 | 9:44/mi
24M
3:36:43
Rank: #18904 (-51)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:44:43
Rank: #18858 (+46)
24M → 40K
8:00 | 9:21/mi
25.2M
3:48:36
Rank: #18925 (-67)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:57:46
Rank: #18899 (+26)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:48
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:03:58
Pace9:27 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2128:329:1128:32
9:11
-
10K
6.21 mi12:16:2955:408:5827:08
8:44
-0:27
15K
9.32 mi12:42:371:21:488:4726:08
8:25
-0:19
20K
12.43 mi13:08:551:48:068:4226:18
8:28
+0:03
Half
13.11 mi13:14:371:53:488:415:42
8:21
-0:07
25K
15.53 mi13:35:112:14:228:3920:34
8:29
+0:08
30K
18.64 mi14:04:002:43:118:4528:49
9:17
+0:48
20M
20.00 mi14:17:142:56:258:4913:14
9:44
+0:27
21M
21.00 mi14:29:043:08:158:5811:50
11:50
+2:06
35K
21.75 mi14:35:443:14:558:586:40
8:55
-2:55
23M
23.00 mi14:47:553:27:069:0012:11
9:44
+0:49
24M
24.00 mi14:57:323:36:439:029:37
9:37
-0:07
40K
24.85 mi15:05:323:44:439:028:00
9:21
-0:16
25.2M
25.20 mi15:09:253:48:369:043:53
11:16
+1:55
Finish
26.22 mi15:18:353:57:469:059:10
9:00
-2:16

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

9:05 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:42

33% of race

Time at Steady Pace

1:57:56

50% of race

Time at Slower Pace

41:08

17% of race

Average Pace: 9:04 /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 mi11:49:2128:329:1128:32
9:11
#21162
10K
6.21 mi12:16:2955:408:5827:08
8:44
#20447
15K
9.32 mi12:42:371:21:488:4726:08
8:25
#19473
20K
12.43 mi13:08:551:48:068:4226:18
8:28
#18774
Half
13.11 mi13:14:371:53:488:415:42
8:21
#18698
25K
15.53 mi13:35:112:14:228:3920:34
8:29
#18263
30K
18.64 mi14:04:002:43:118:4528:49
9:17
#18300
20M
20.00 mi14:17:142:56:258:4913:14
9:44
#18447
21M
21.00 mi14:29:043:08:158:5811:50
11:50
#18883
35K
21.75 mi14:35:443:14:558:586:40
8:55
#18824
23M
23.00 mi14:47:553:27:069:0012:11
9:44
#18853
24M
24.00 mi14:57:323:36:439:029:37
9:37
#18904
40K
24.85 mi15:05:323:44:439:028:00
9:21
#18858
25.2M
25.20 mi15:09:253:48:369:043:53
11:16
#18925
Finish
26.22 mi15:18:353:57:469:059:10
9:00
#18899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21162126861268617221(Top 65%)11148(Top 73%)11148(Top 211%)
10K6.21 mi3.10 mi20447+71512424+26212424+26219591(Top 74%)12127(Top 80%)12127(Top 229%)
15K9.32 mi3.11 mi19473+97412018+40612018+40617221(Top 65%)11148(Top 73%)11148(Top 211%)
20K12.43 mi3.11 mi18774+69911770+24811770+24816628(Top 62%)10894(Top 72%)10894(Top 206%)
Half13.11 mi0.68 mi18698+7611743+2711743+2716823(Top 63%)11024(Top 73%)11024(Top 209%)
25K15.53 mi2.42 mi18263+43511555+18811555+18816081(Top 60%)10573(Top 70%)10573(Top 200%)
30K18.64 mi3.11 mi18300-3711538+1711538+1718502(Top 69%)11562(Top 76%)11562(Top 219%)
20M20.00 mi1.36 mi18447-14711588-5011588-5019659(Top 74%)11965(Top 79%)11965(Top 226%)
21M21.00 mi1.00 mi18883-43611765-17711765-17722467(Top 84%)13182(Top 87%)13182(Top 249%)
35K21.75 mi0.75 mi18824+5911732+3311732+3317495(Top 66%)10933(Top 72%)10933(Top 207%)
23M23.00 mi1.25 mi18853-2911728+411728+419185(Top 72%)11649(Top 77%)11649(Top 220%)
24M24.00 mi1.00 mi18904-5111743-1511743-1519615(Top 74%)11824(Top 78%)11824(Top 224%)
40K24.85 mi0.85 mi18858+4611715+2811715+2817769(Top 67%)10928(Top 72%)10928(Top 207%)
25.2M25.20 mi0.35 mi18925-6711742-2711742-2721013(Top 79%)12386(Top 82%)12386(Top 234%)
Finish26.22 mi1.02 mi18899+2611728+1411728+1417946(Top 67%)11042(Top 73%)11042(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17221

Males

11148

M18-39

11148

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19591

Males

12127

M18-39

12127

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17221

Males

11148

M18-39

11148

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16628

Males

10894

M18-39

10894

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16823

Males

11024

M18-39

11024

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16081

Males

10573

M18-39

10573

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18502

Males

11562

M18-39

11562

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19659

Males

11965

M18-39

11965

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22467

Males

13182

M18-39

13182

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17495

Males

10933

M18-39

10933

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19185

Males

11649

M18-39

11649

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19615

Males

11824

M18-39

11824

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17769

Males

10928

M18-39

10928

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21013

Males

12386

M18-39

12386

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17946

Males

11042

M18-39

11042

Passing Analysis

Category:
Athletes Passed
3574
Passed By
1311
Net Change
+2263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21162
5K → 10K79782+715#21162#20447
10K → 15K9784+974#20447#19473
15K → 20K7056+699#19473#18774
20K → Half826+76#18774#18698
Half → 25K4427+435#18698#18263
25K → 30K164201-37#18263#18300
30K → 20M58205-147#18300#18447
20M → 21M7443-436#18447#18883
21M → 35K8021+59#18883#18824
35K → 23M6897-29#18824#18853
23M → 24M4697-51#18853#18904
24M → 40K7428+46#18904#18858
40K → 25.2M1582-67#18858#18925
25.2M → Finish5832+26#18925#18899
TOTALS35741311+2263
📊

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