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BOSTON MARATHON 2023

John Leimann

Bib: 12938•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 50%
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #11194
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:54
Rank: #11887 (-693)
5K → 10K
24:04 | 7:45/mi
15K· 9.32 mi
1:11:06
Rank: #11174 (+713)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:34:40
Rank: #10848 (+326)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:39:49
Rank: #10849 (-1)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:32
Rank: #10737 (+112)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:23:10
Rank: #10607 (+130)
25K → 30K
24:38 | 7:56/mi
20M
2:34:04
Rank: #10577 (+30)
30K → 20M
10:54 | 8:01/mi
21M
2:42:38
Rank: #10575 (+2)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:49:05
Rank: #10774 (-199)
21M → 35K
6:27 | 8:37/mi
23M
3:00:13
Rank: #11087 (-313)
35K → 23M
11:08 | 8:54/mi
24M
3:09:16
Rank: #11468 (-381)
23M → 24M
9:03 | 9:03/mi
40K· 24.85 mi
3:17:03
Rank: #11710 (-242)
24M → 40K
7:47 | 9:06/mi
25.2M
3:20:26
Rank: #11811 (-101)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:29:24
Rank: #12076 (-265)
25.2M → Finish
8:58 | 8:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:49:35
Pace8:22 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2923:507:4023:50
7:40
-
10K
6.21 mi11:38:3347:547:4324:04
7:45
+0:05
15K
9.32 mi12:01:451:11:067:3823:12
7:28
-0:17
20K
12.43 mi12:25:191:34:407:3723:34
7:35
+0:07
Half
13.11 mi12:30:281:39:497:375:09
7:33
-0:02
25K
15.53 mi12:49:111:58:327:3818:43
7:43
+0:10
30K
18.64 mi13:13:492:23:107:4124:38
7:56
+0:13
20M
20.00 mi13:24:432:34:047:4210:54
8:01
+0:05
21M
21.00 mi13:33:172:42:387:458:34
8:34
+0:33
35K
21.75 mi13:39:442:49:057:466:27
8:37
+0:03
23M
23.00 mi13:50:523:00:137:5011:08
8:54
+0:17
24M
24.00 mi13:59:553:09:167:539:03
9:03
+0:09
40K
24.85 mi14:07:423:17:037:567:47
9:06
+0:03
25.2M
25.20 mi14:11:053:20:267:573:23
9:49
+0:43
Finish
26.22 mi14:20:033:29:248:008:58
8:48
-1:01

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

7:28 /mi

Average Pace

8:00 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:45

36% of race

Time at Steady Pace

1:18:19

37% of race

Time at Slower Pace

55:20

26% of race

Average Pace: 7:59 /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 mi11:14:2923:507:4023:50
7:40
#11194
10K
6.21 mi11:38:3347:547:4324:04
7:45
#11887
15K
9.32 mi12:01:451:11:067:3823:12
7:28
#11174
20K
12.43 mi12:25:191:34:407:3723:34
7:35
#10848
Half
13.11 mi12:30:281:39:497:375:09
7:33
#10849
25K
15.53 mi12:49:111:58:327:3818:43
7:43
#10737
30K
18.64 mi13:13:492:23:107:4124:38
7:56
#10607
20M
20.00 mi13:24:432:34:047:4210:54
8:01
#10577
21M
21.00 mi13:33:172:42:387:458:34
8:34
#10575
35K
21.75 mi13:39:442:49:057:466:27
8:37
#10774
23M
23.00 mi13:50:523:00:137:5011:08
8:54
#11087
24M
24.00 mi13:59:553:09:167:539:03
9:03
#11468
40K
24.85 mi14:07:423:17:037:567:47
9:06
#11710
25.2M
25.20 mi14:11:053:20:267:573:23
9:49
#11811
Finish
26.22 mi14:20:033:29:248:008:58
8:48
#12076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11194874987499911(Top 37%)8101(Top 53%)8101(Top 395%)
10K6.21 mi3.10 mi11887-6939060-3119060-31112631(Top 47%)9391(Top 62%)9391(Top 458%)
15K9.32 mi3.11 mi11174+7138734+3268734+3269911(Top 37%)8101(Top 53%)8101(Top 395%)
20K12.43 mi3.11 mi10848+3268568+1668568+1669977(Top 37%)8064(Top 53%)8064(Top 393%)
Half13.11 mi0.68 mi10849-18572-48572-410596(Top 40%)8418(Top 55%)8418(Top 410%)
25K15.53 mi2.42 mi10737+1128507+658507+6510447(Top 39%)8231(Top 54%)8231(Top 401%)
30K18.64 mi3.11 mi10607+1308383+1248383+12410353(Top 39%)8012(Top 53%)8012(Top 390%)
20M20.00 mi1.36 mi10577+308349+348349+3410418(Top 39%)7976(Top 53%)7976(Top 389%)
21M21.00 mi1.00 mi10575+28323+268323+2610864(Top 41%)8061(Top 53%)8061(Top 393%)
35K21.75 mi0.75 mi10774-1998398-758398-7515929(Top 60%)10252(Top 68%)10252(Top 500%)
23M23.00 mi1.25 mi11087-3138536-1388536-13815472(Top 58%)10012(Top 66%)10012(Top 488%)
24M24.00 mi1.00 mi11468-3818681-1458681-14517424(Top 65%)10805(Top 71%)10805(Top 527%)
40K24.85 mi0.85 mi11710-2428769-888769-8816618(Top 62%)10401(Top 69%)10401(Top 507%)
25.2M25.20 mi0.35 mi11811-1018800-318800-3116497(Top 62%)10309(Top 68%)10309(Top 502%)
Finish26.22 mi1.02 mi12076-2658891-918891-9117004(Top 64%)10600(Top 70%)10600(Top 517%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9911

Males

8101

M50-54

8101

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12631

Males

9391

M50-54

9391

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9911

Males

8101

M50-54

8101

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9977

Males

8064

M50-54

8064

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10596

Males

8418

M50-54

8418

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10447

Males

8231

M50-54

8231

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10353

Males

8012

M50-54

8012

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10418

Males

7976

M50-54

7976

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10864

Males

8061

M50-54

8061

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15929

Males

10252

M50-54

10252

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15472

Males

10012

M50-54

10012

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17424

Males

10805

M50-54

10805

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16618

Males

10401

M50-54

10401

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16497

Males

10309

M50-54

10309

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17004

Males

10600

M50-54

10600

Passing Analysis

Category:
Athletes Passed
1914*
Passed By
2796
Net Change
-882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11194
5K → 10K97790-693#11194#11887
10K → 15K73320+713#11887#11174
15K → 20K35226+326#11174#10848
20K → Half3031-1#10848#10849
Half → 25K17967+112#10849#10737
25K → 30K240110+130#10737#10607
30K → 20M95*65+30#10607#10577
20M → 21M7674+2#10577#10575
21M → 35K19218-199#10575#10774
35K → 23M28341-313#10774#11087
23M → 24M14395-381#11087#11468
24M → 40K21263-242#11468#11710
40K → 25.2M9110-101#11710#11811
25.2M → Finish21286-265#11811#12076
TOTALS1914*2796-882

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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