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BOSTON MARATHON 2023

Henrik Larsson

Bib: 27597•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:58/mi
27:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
55:43
↑ 79↓ 1380.4%
15K· 9.32 mi
10:00/mi
1:26:48
↑ 67↓ 78
20K· 12.43 mi
11:10/mi
2:01:30
↑ 106↓ 860.1%
Half· 13.11 mi
11:22/mi
2:09:15
↑ 19↓ 370.5%
25K· 15.53 mi
14:03/mi
2:43:18
↑ 66↓ 880.2%
30K· 18.64 mi
14:44/mi
3:29:06
↑ 181↓ 1480.2%
20M
15:12/mi
3:49:45
↑ 64↓ 500.2%
21M
15:19/mi
4:05:04
↑ 106↓ 241.6%
35K· 21.75 mi
15:54/mi
4:16:58
↑ 17↓ 861.7%
23M
14:10/mi
4:34:42
↑ 23↓ 630.6%
24M
11:36/mi
4:46:18
↓ 821.3%
40K· 24.85 mi
11:46/mi
4:56:22
↓ 200.3%
25.2M
10:18/mi
4:59:55
↑ 13↓ 160.2%
Finish· 26.22 mi
10:21/mi
5:10:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:15
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time3:01:13
Pace13:49 /mi
📊Positive Split: 40.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4727:528:5827:52
8:58
-
10K
6.21 mi12:12:3855:438:5827:51
8:58
0:00
15K
9.32 mi12:43:431:26:489:1931:05
10:00
+1:02
20K
12.43 mi13:18:252:01:309:4734:42
11:10
+1:10
Half
13.11 mi13:26:102:09:159:527:45
11:22
+0:12
25K
15.53 mi14:00:132:43:1810:3134:03
14:03
+2:41
30K
18.64 mi14:46:013:29:0611:1345:48
14:44
+0:41
20M
20.00 mi15:06:403:49:4511:2920:39
15:12
+0:28
21M
21.00 mi15:21:594:05:0411:4015:19
15:19
+0:07
35K
21.75 mi15:33:534:16:5811:4911:54
15:54
+0:35
23M
23.00 mi15:51:374:34:4211:5717:44
14:10
-1:44
24M
24.00 mi16:03:134:46:1811:5611:36
11:36
-2:34
40K
24.85 mi16:13:174:56:2211:5510:04
11:46
+0:10
25.2M
25.20 mi16:16:504:59:5511:543:33
10:18
-1:28
Finish
26.22 mi16:27:235:10:2811:5110:33
10:21
+0:03

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

8:58 /mi

Average Pace

11:51 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:54

32% of race

Time at Steady Pace

1:04:07

21% of race

Time at Slower Pace

2:25:27

47% of race

Average Pace: 11:50 /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 mi11:44:4727:528:5827:52
8:58
#20310
10K
6.21 mi12:12:3855:438:5827:51
8:58
#20506
15K
9.32 mi12:43:431:26:489:1931:05
10:00
#21729
20K
12.43 mi13:18:252:01:309:4734:42
11:10
#22868
Half
13.11 mi13:26:102:09:159:527:45
11:22
#23072
25K
15.53 mi14:00:132:43:1810:3134:03
14:03
#24188
30K
18.64 mi14:46:013:29:0611:1345:48
14:44
#24995
20M
20.00 mi15:06:403:49:4511:2920:39
15:12
#25218
21M
21.00 mi15:21:594:05:0411:4015:19
15:19
#25287
35K
21.75 mi15:33:534:16:5811:4911:54
15:54
#25405
23M
23.00 mi15:51:374:34:4211:5717:44
14:10
#25463
24M
24.00 mi16:03:134:46:1811:5611:36
11:36
#25418
40K
24.85 mi16:13:174:56:2211:5510:04
11:46
#25368
25.2M
25.20 mi16:16:504:59:5511:543:33
10:18
#25316
Finish
26.22 mi16:27:235:10:2811:5110:33
10:21
#25255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20310122891228923512(Top 88%)13879(Top 91%)13879(Top 616%)
10K6.21 mi3.10 mi20506-19612451-16212451-16220728(Top 78%)12600(Top 83%)12600(Top 560%)
15K9.32 mi3.11 mi21729-122313019-56813019-56823512(Top 88%)13879(Top 91%)13879(Top 616%)
20K12.43 mi3.11 mi22868-113913565-54613565-54624840(Top 93%)14430(Top 95%)14430(Top 641%)
Half13.11 mi0.68 mi23072-20413661-9613661-9625336(Top 95%)14624(Top 96%)14624(Top 649%)
25K15.53 mi2.42 mi24188-111614159-49814159-49826359(Top 99%)15060(Top 99%)15060(Top 669%)
30K18.64 mi3.11 mi24995-80714490-33114490-33126342(Top 99%)15040(Top 99%)15040(Top 668%)
20M20.00 mi1.36 mi25218-22314574-8414574-8426355(Top 99%)15024(Top 99%)15024(Top 667%)
21M21.00 mi1.00 mi25287-6914601-2714601-2725908(Top 97%)14828(Top 98%)14828(Top 658%)
35K21.75 mi0.75 mi25405-11814645-4414645-4426516(Top 100%)15115(Top 100%)15115(Top 671%)
23M23.00 mi1.25 mi25463-5814669-2414669-2425922(Top 97%)14792(Top 97%)14792(Top 657%)
24M24.00 mi1.00 mi25418+4514646+2314646+2324002(Top 90%)13818(Top 91%)13818(Top 614%)
40K24.85 mi0.85 mi25368+5014619+2714619+2723604(Top 89%)13588(Top 90%)13588(Top 603%)
25.2M25.20 mi0.35 mi25316+5214593+2614593+2618453(Top 69%)11245(Top 74%)11245(Top 499%)
Finish26.22 mi1.02 mi25255+6114559+3414559+3422692(Top 85%)13177(Top 87%)13177(Top 585%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23512

Males

13879

M45-49

13879

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20728

Males

12600

M45-49

12600

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23512

Males

13879

M45-49

13879

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24840

Males

14430

M45-49

14430

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25336

Males

14624

M45-49

14624

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26359

Males

15060

M45-49

15060

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26342

Males

15040

M45-49

15040

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26355

Males

15024

M45-49

15024

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25908

Males

14828

M45-49

14828

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

26516

Males

15115

M45-49

15115

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25922

Males

14792

M45-49

14792

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

24002

Males

13818

M45-49

13818

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23604

Males

13588

M45-49

13588

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18453

Males

11245

M45-49

11245

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22692

Males

13177

M45-49

13177

Passing Analysis

Category:
Athletes Passed
468
Passed By
5413
Net Change
-4945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20310
5K → 10K202398-196#20310#20506
10K → 15K81231-1223#20506#21729
15K → 20K71146-1139#21729#22868
20K → Half5209-204#22868#23072
Half → 25K21118-1116#23072#24188
25K → 30K4811-807#24188#24995
30K → 20M5228-223#24995#25218
20M → 21M1281-69#25218#25287
21M → 35K5123-118#25287#25405
35K → 23M664-58#25405#25463
23M → 24M461+45#25463#25418
24M → 40K522+50#25418#25368
40K → 25.2M520+52#25368#25316
25.2M → Finish621+61#25316#25255
TOTALS4685413-4945
📊

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