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BOSTON MARATHON 2023

John Strobel

Bib: 18906•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:06
Rank: #19024
Start → 5K
27:06 | 8:43/mi
10K· 6.21 mi
54:33
Rank: #19561 (-537)
5K → 10K
27:27 | 8:50/mi
15K· 9.32 mi
1:22:11
Rank: #19687 (-126)
10K → 15K
27:38 | 8:54/mi
20K· 12.43 mi
1:50:49
Rank: #19942 (-255)
15K → 20K
28:38 | 9:13/mi
Half· 13.11 mi
1:57:08
Rank: #20052 (-110)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:19:00
Rank: #19872 (+180)
Half → 25K
21:52 | 9:01/mi
30K· 18.64 mi
2:47:18
Rank: #19471 (+401)
25K → 30K
28:18 | 9:07/mi
20M
2:59:54
Rank: #19341 (+130)
30K → 20M
12:36 | 9:16/mi
21M
3:09:48
Rank: #19215 (+126)
20M → 21M
9:54 | 9:54/mi
35K· 21.75 mi
3:16:15
Rank: #19121 (+94)
21M → 35K
6:27 | 8:37/mi
23M
3:27:50
Rank: #19015 (+106)
35K → 23M
11:35 | 9:15/mi
24M
3:36:51
Rank: #18936 (+79)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:45:01
Rank: #18926 (+10)
24M → 40K
8:10 | 9:33/mi
25.2M
3:48:41
Rank: #18940 (-14)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:57:55
Rank: #18930 (+10)
25.2M → Finish
9:14 | 9:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:08
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:00:47
Pace9:13 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2827:068:4327:06
8:43
-
10K
6.21 mi11:45:5554:338:4727:27
8:50
+0:07
15K
9.32 mi12:13:331:22:118:4927:38
8:54
+0:04
20K
12.43 mi12:42:111:50:498:5528:38
9:13
+0:19
Half
13.11 mi12:48:301:57:088:566:19
9:16
+0:03
25K
15.53 mi13:10:222:19:008:5721:52
9:01
-0:15
30K
18.64 mi13:38:402:47:188:5828:18
9:07
+0:06
20M
20.00 mi13:51:162:59:549:0012:36
9:16
+0:09
21M
21.00 mi14:01:103:09:489:029:54
9:54
+0:38
35K
21.75 mi14:07:373:16:159:016:27
8:37
-1:17
23M
23.00 mi14:19:123:27:509:0211:35
9:15
+0:38
24M
24.00 mi14:28:133:36:519:029:01
9:01
-0:14
40K
24.85 mi14:36:233:45:019:038:10
9:33
+0:32
25.2M
25.20 mi14:40:033:48:419:043:40
10:38
+1:05
Finish
26.22 mi14:49:173:57:559:059:14
9:04
-1:34

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

8:37 /mi

Average Pace

9:05 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:00

26% of race

Time at Steady Pace

2:35:11

65% of race

Time at Slower Pace

21:44

9% 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 mi11:18:2827:068:4327:06
8:43
#19024
10K
6.21 mi11:45:5554:338:4727:27
8:50
#19561
15K
9.32 mi12:13:331:22:118:4927:38
8:54
#19687
20K
12.43 mi12:42:111:50:498:5528:38
9:13
#19942
Half
13.11 mi12:48:301:57:088:566:19
9:16
#20052
25K
15.53 mi13:10:222:19:008:5721:52
9:01
#19872
30K
18.64 mi13:38:402:47:188:5828:18
9:07
#19471
20M
20.00 mi13:51:162:59:549:0012:36
9:16
#19341
21M
21.00 mi14:01:103:09:489:029:54
9:54
#19215
35K
21.75 mi14:07:373:16:159:016:27
8:37
#19121
23M
23.00 mi14:19:123:27:509:0211:35
9:15
#19015
24M
24.00 mi14:28:133:36:519:029:01
9:01
#18936
40K
24.85 mi14:36:233:45:019:038:10
9:33
#18926
25.2M
25.20 mi14:40:033:48:419:043:40
10:38
#18940
Finish
26.22 mi14:49:173:57:559:059:14
9:04
#18930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19024117871178720013(Top 75%)12299(Top 81%)12299(Top 865%)
10K6.21 mi3.10 mi19561-53712033-24612033-24620099(Top 75%)12324(Top 81%)12324(Top 867%)
15K9.32 mi3.11 mi19687-12612104-7112104-7120013(Top 75%)12299(Top 81%)12299(Top 865%)
20K12.43 mi3.11 mi19942-25512227-12312227-12320633(Top 78%)12588(Top 83%)12588(Top 885%)
Half13.11 mi0.68 mi20052-11012282-5512282-5521321(Top 80%)12872(Top 85%)12872(Top 905%)
25K15.53 mi2.42 mi19872+18012207+7512207+7519038(Top 72%)11861(Top 78%)11861(Top 834%)
30K18.64 mi3.11 mi19471+40112040+16712040+16717731(Top 67%)11232(Top 74%)11232(Top 790%)
20M20.00 mi1.36 mi19341+13011968+7211968+7217888(Top 67%)11187(Top 74%)11187(Top 787%)
21M21.00 mi1.00 mi19215+12611902+6611902+6617647(Top 66%)11078(Top 73%)11078(Top 779%)
35K21.75 mi0.75 mi19121+9411858+4411858+4415962(Top 60%)10285(Top 68%)10285(Top 723%)
23M23.00 mi1.25 mi19015+10611802+5611802+5617301(Top 65%)10830(Top 71%)10830(Top 762%)
24M24.00 mi1.00 mi18936+7911754+4811754+4817303(Top 65%)10768(Top 71%)10768(Top 757%)
40K24.85 mi0.85 mi18926+1011748+611748+618494(Top 69%)11262(Top 74%)11262(Top 792%)
25.2M25.20 mi0.35 mi18940-14117481174819471(Top 73%)11679(Top 77%)11679(Top 821%)
Finish26.22 mi1.02 mi18930+1011738+1011738+1018267(Top 69%)11200(Top 74%)11200(Top 788%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20013

Males

12299

M55-59

12299

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

20099

Males

12324

M55-59

12324

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20013

Males

12299

M55-59

12299

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20633

Males

12588

M55-59

12588

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21321

Males

12872

M55-59

12872

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19038

Males

11861

M55-59

11861

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17731

Males

11232

M55-59

11232

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17888

Males

11187

M55-59

11187

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17647

Males

11078

M55-59

11078

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15962

Males

10285

M55-59

10285

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17301

Males

10830

M55-59

10830

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17303

Males

10768

M55-59

10768

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18494

Males

11262

M55-59

11262

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19471

Males

11679

M55-59

11679

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18267

Males

11200

M55-59

11200

Passing Analysis

Category:
Athletes Passed
1784
Passed By
1690
Net Change
+94
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19024
5K → 10K130667-537#19024#19561
10K → 15K139265-126#19561#19687
15K → 20K98353-255#19687#19942
20K → Half10120-110#19942#20052
Half → 25K22646+180#20052#19872
25K → 30K42019+401#19872#19471
30K → 20M15222+130#19471#19341
20M → 21M14923+126#19341#19215
21M → 35K984+94#19215#19121
35K → 23M13731+106#19121#19015
23M → 24M9617+79#19015#18936
24M → 40K5646+10#18936#18926
40K → 25.2M2135-14#18926#18940
25.2M → Finish5242+10#18940#18930
TOTALS17841690+94
📊

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