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BOSTON MARATHON 2023

Emil Larsson

Bib: 1316•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:37
Rank: #678
Start → 5K
18:37 | 6:00/mi
10K· 6.21 mi
37:16
Rank: #726 (-48)
5K → 10K
18:39 | 6:00/mi
15K· 9.32 mi
56:08
Rank: #767 (-41)
10K → 15K
18:52 | 6:04/mi
20K· 12.43 mi
1:15:15
Rank: #787 (-20)
15K → 20K
19:07 | 6:09/mi
Half· 13.11 mi
1:19:24
Rank: #797 (-10)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:34:25
Rank: #804 (-7)
Half → 25K
15:01 | 6:12/mi
30K· 18.64 mi
1:54:47
Rank: #912 (-108)
25K → 30K
20:22 | 6:33/mi
20M
2:04:08
Rank: #998 (-86)
30K → 20M
9:21 | 6:53/mi
21M
2:11:58
Rank: #1136 (-138)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:17:06
Rank: #1202 (-66)
21M → 35K
5:08 | 6:52/mi
23M
2:26:16
Rank: #1371 (-169)
35K → 23M
9:10 | 7:19/mi
24M
2:33:26
Rank: #1477 (-106)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:39:38
Rank: #1569 (-92)
24M → 40K
6:12 | 7:15/mi
25.2M
2:42:10
Rank: #1579 (-10)
40K → 25.2M
2:32 | 7:22/mi
Finish· 26.22 mi
2:49:41
Rank: #1721 (-142)
25.2M → Finish
7:31 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:24
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1018:376:0018:37
6:00
-
10K
6.21 mi10:37:4937:166:0018:39
6:00
0:00
15K
9.32 mi10:56:4156:086:0118:52
6:04
+0:04
20K
12.43 mi11:15:481:15:156:0319:07
6:09
+0:05
Half
13.11 mi11:19:571:19:246:034:09
6:05
-0:04
25K
15.53 mi11:34:581:34:256:0515:01
6:12
+0:07
30K
18.64 mi11:55:201:54:476:0920:22
6:33
+0:21
20M
20.00 mi12:04:412:04:086:129:21
6:53
+0:20
21M
21.00 mi12:12:312:11:586:177:50
7:50
+0:57
35K
21.75 mi12:17:392:17:066:185:08
6:52
-0:58
23M
23.00 mi12:26:492:26:166:229:10
7:19
+0:27
24M
24.00 mi12:33:592:33:266:247:10
7:10
-0:09
40K
24.85 mi12:40:112:39:386:256:12
7:15
+0:05
25.2M
25.20 mi12:42:432:42:106:262:32
7:22
+0:07
Finish
26.22 mi12:50:142:49:416:297:31
7:22
0:00

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

6:00 /mi

Average Pace

6:29 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:47

68% of race

Time at Steady Pace

21:39

13% of race

Time at Slower Pace

33:15

20% of race

Average Pace: 6:28 /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 mi10:19:1018:376:0018:37
6:00
#678
10K
6.21 mi10:37:4937:166:0018:39
6:00
#726
15K
9.32 mi10:56:4156:086:0118:52
6:04
#767
20K
12.43 mi11:15:481:15:156:0319:07
6:09
#787
Half
13.11 mi11:19:571:19:246:034:09
6:05
#797
25K
15.53 mi11:34:581:34:256:0515:01
6:12
#804
30K
18.64 mi11:55:201:54:476:0920:22
6:33
#912
20M
20.00 mi12:04:412:04:086:129:21
6:53
#998
21M
21.00 mi12:12:312:11:586:177:50
7:50
#1136
35K
21.75 mi12:17:392:17:066:185:08
6:52
#1202
23M
23.00 mi12:26:492:26:166:229:10
7:19
#1371
24M
24.00 mi12:33:592:33:266:247:10
7:10
#1477
40K
24.85 mi12:40:112:39:386:256:12
7:15
#1569
25.2M
25.20 mi12:42:432:42:106:262:32
7:22
#1579
Finish
26.22 mi12:50:142:49:416:297:31
7:22
#1721
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi678634634895(Top 3%)847(Top 6%)847(Top 16%)
10K6.21 mi3.10 mi726-48682-48682-48805(Top 3%)759(Top 5%)759(Top 14%)
15K9.32 mi3.11 mi767-41723-41723-41895(Top 3%)847(Top 6%)847(Top 16%)
20K12.43 mi3.11 mi787-20742-19742-19921(Top 3%)875(Top 6%)875(Top 17%)
Half13.11 mi0.68 mi797-10752-10752-10987(Top 4%)941(Top 6%)941(Top 18%)
25K15.53 mi2.42 mi804-7759-7759-7988(Top 4%)939(Top 6%)939(Top 18%)
30K18.64 mi3.11 mi912-108864-105864-1051780(Top 7%)1703(Top 11%)1703(Top 32%)
20M20.00 mi1.36 mi998-86948-84948-843262(Top 12%)3051(Top 20%)3051(Top 58%)
21M21.00 mi1.00 mi1136-1381083-1351083-1356303(Top 24%)5407(Top 36%)5407(Top 102%)
35K21.75 mi0.75 mi1202-661148-651148-654519(Top 17%)4110(Top 27%)4110(Top 78%)
23M23.00 mi1.25 mi1371-1691307-1591307-1595389(Top 20%)4742(Top 31%)4742(Top 90%)
24M24.00 mi1.00 mi1477-1061409-1021409-1025514(Top 21%)4776(Top 31%)4776(Top 90%)
40K24.85 mi0.85 mi1569-921499-901499-905113(Top 19%)4409(Top 29%)4409(Top 83%)
25.2M25.20 mi0.35 mi1579-101509-101509-103288(Top 12%)2972(Top 20%)2972(Top 56%)
Finish26.22 mi1.02 mi1721-1421645-1361645-1367559(Top 28%)5889(Top 39%)5889(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

895

Males

847

M18-39

847

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

805

Males

759

M18-39

759

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

895

Males

847

M18-39

847

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

921

Males

875

M18-39

875

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

987

Males

941

M18-39

941

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

988

Males

939

M18-39

939

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1780

Males

1703

M18-39

1703

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3262

Males

3051

M18-39

3051

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6303

Males

5407

M18-39

5407

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4519

Males

4110

M18-39

4110

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5389

Males

4742

M18-39

4742

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5514

Males

4776

M18-39

4776

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5113

Males

4409

M18-39

4409

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3288

Males

2972

M18-39

2972

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7559

Males

5889

M18-39

5889

Passing Analysis

Category:
Athletes Passed
100
Passed By
1143
Net Change
-1043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#678
5K → 10K1159-48#678#726
10K → 15K748-41#726#767
15K → 20K1939-20#767#787
20K → Half111-10#787#797
Half → 25K2633-7#797#804
25K → 30K6114-108#804#912
30K → 20M288-86#912#998
20M → 21M4142-138#998#1136
21M → 35K268-66#1136#1202
35K → 23M4173-169#1202#1371
23M → 24M4110-106#1371#1477
24M → 40K698-92#1477#1569
40K → 25.2M717-10#1569#1579
25.2M → Finish1143-142#1579#1721
TOTALS1001143-1043
📊

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