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BOSTON MARATHON 2023

Joseph Posner

Bib: 29244•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:54
Rank: #24133
Start → 5K
31:54 | 10:16/mi
10K· 6.21 mi
1:03:24
Rank: #24062 (+71)
5K → 10K
31:30 | 10:08/mi
15K· 9.32 mi
1:34:55
Rank: #23963 (+99)
10K → 15K
31:31 | 10:09/mi
20K· 12.43 mi
2:06:49
Rank: #23833 (+130)
15K → 20K
31:54 | 10:16/mi
Half· 13.11 mi
2:13:41
Rank: #23807 (+26)
20K → Half
6:52 | 10:04/mi
25K· 15.53 mi
2:42:34
Rank: #24103 (-296)
Half → 25K
28:53 | 11:55/mi
30K· 18.64 mi
3:20:44
Rank: #24285 (-182)
25K → 30K
38:10 | 12:17/mi
20M
3:37:21
Rank: #24315 (-30)
30K → 20M
16:37 | 12:14/mi
21M
3:49:53
Rank: #24260 (+55)
20M → 21M
12:32 | 12:32/mi
35K· 21.75 mi
3:58:33
Rank: #24260
21M → 35K
8:40 | 11:35/mi
23M
4:14:35
Rank: #24335 (-75)
35K → 23M
16:02 | 12:48/mi
24M
4:26:26
Rank: #24345 (-10)
23M → 24M
11:51 | 11:51/mi
40K· 24.85 mi
4:37:45
Rank: #24410 (-65)
24M → 40K
11:19 | 13:14/mi
25.2M
4:42:01
Rank: #24402 (+8)
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:52:17
Rank: #24332 (+70)
25.2M → Finish
10:16 | 10:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:41
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:38:36
Pace12:06 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1031:5410:1631:54
10:16
-
10K
6.21 mi12:21:401:03:2410:1231:30
10:08
-0:08
15K
9.32 mi12:53:111:34:5510:1131:31
10:09
+0:01
20K
12.43 mi13:25:052:06:4910:1231:54
10:16
+0:07
Half
13.11 mi13:31:572:13:4110:126:52
10:04
-0:12
25K
15.53 mi14:00:502:42:3410:2828:53
11:55
+1:51
30K
18.64 mi14:39:003:20:4410:4638:10
12:17
+0:22
20M
20.00 mi14:55:373:37:2110:5216:37
12:14
-0:03
21M
21.00 mi15:08:093:49:5310:5712:32
12:32
+0:18
35K
21.75 mi15:16:493:58:3310:588:40
11:35
-0:57
23M
23.00 mi15:32:514:14:3511:0416:02
12:48
+1:13
24M
24.00 mi15:44:424:26:2611:0611:51
11:51
-0:57
40K
24.85 mi15:56:014:37:4511:1011:19
13:14
+1:23
25.2M
25.20 mi16:00:174:42:0111:114:16
12:22
-0:52
Finish
26.22 mi16:10:334:52:1711:0910:16
10:04
-2:18

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

10:04 /mi

Average Pace

11:09 /mi

Slowest Pace

13:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:57

49% of race

Time at Steady Pace

1:48:27

37% of race

Time at Slower Pace

39:53

14% of race

Average Pace: 11:09 /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 mi11:50:1031:5410:1631:54
10:16
#24133
10K
6.21 mi12:21:401:03:2410:1231:30
10:08
#24062
15K
9.32 mi12:53:111:34:5510:1131:31
10:09
#23963
20K
12.43 mi13:25:052:06:4910:1231:54
10:16
#23833
Half
13.11 mi13:31:572:13:4110:126:52
10:04
#23807
25K
15.53 mi14:00:502:42:3410:2828:53
11:55
#24103
30K
18.64 mi14:39:003:20:4410:4638:10
12:17
#24285
20M
20.00 mi14:55:373:37:2110:5216:37
12:14
#24315
21M
21.00 mi15:08:093:49:5310:5712:32
12:32
#24260
35K
21.75 mi15:16:493:58:3310:588:40
11:35
#24260
23M
23.00 mi15:32:514:14:3511:0416:02
12:48
#24335
24M
24.00 mi15:44:424:26:2611:0611:51
11:51
#24345
40K
24.85 mi15:56:014:37:4511:1011:19
13:14
#24410
25.2M
25.20 mi16:00:174:42:0111:114:16
12:22
#24402
Finish
26.22 mi16:10:334:52:1711:0910:16
10:04
#24332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24133141581415823771(Top 89%)13986(Top 92%)13986(Top 624%)
10K6.21 mi3.10 mi24062+7114112+4614112+4623990(Top 90%)14085(Top 93%)14085(Top 629%)
15K9.32 mi3.11 mi23963+9914070+4214070+4223771(Top 89%)13986(Top 92%)13986(Top 624%)
20K12.43 mi3.11 mi23833+13014012+5814012+5823412(Top 88%)13821(Top 91%)13821(Top 617%)
Half13.11 mi0.68 mi23807+2613999+1313999+1323404(Top 88%)13809(Top 91%)13809(Top 616%)
25K15.53 mi2.42 mi24103-29614117-11814117-11825082(Top 94%)14499(Top 96%)14499(Top 647%)
30K18.64 mi3.11 mi24285-18214171-5414171-5424791(Top 93%)14319(Top 94%)14319(Top 639%)
20M20.00 mi1.36 mi24315-3014180-914180-924465(Top 92%)14126(Top 93%)14126(Top 630%)
21M21.00 mi1.00 mi24260+5514147+3314147+3323486(Top 88%)13662(Top 90%)13662(Top 610%)
35K21.75 mi0.75 mi2426014136+1114136+1124209(Top 91%)13956(Top 92%)13956(Top 623%)
23M23.00 mi1.25 mi24335-7514166-3014166-3024893(Top 94%)14290(Top 94%)14290(Top 638%)
24M24.00 mi1.00 mi24345-10141661416624331(Top 91%)13968(Top 92%)13968(Top 623%)
40K24.85 mi0.85 mi24410-6514187-2114187-2125130(Top 94%)14365(Top 95%)14365(Top 641%)
25.2M25.20 mi0.35 mi24402+814182+514182+523084(Top 87%)13354(Top 88%)13354(Top 596%)
Finish26.22 mi1.02 mi24332+7014143+3914143+3921966(Top 83%)12849(Top 85%)12849(Top 573%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23771

Males

13986

M40-44

13986

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23990

Males

14085

M40-44

14085

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23771

Males

13986

M40-44

13986

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23412

Males

13821

M40-44

13821

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23404

Males

13809

M40-44

13809

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25082

Males

14499

M40-44

14499

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24791

Males

14319

M40-44

14319

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24465

Males

14126

M40-44

14126

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23486

Males

13662

M40-44

13662

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24209

Males

13956

M40-44

13956

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24893

Males

14290

M40-44

14290

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24331

Males

13968

M40-44

13968

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25130

Males

14365

M40-44

14365

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23084

Males

13354

M40-44

13354

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

21966

Males

12849

M40-44

12849

Passing Analysis

Category:
Athletes Passed
990
Passed By
1189
Net Change
-199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24133
5K → 10K246175+71#24133#24062
10K → 15K17778+99#24062#23963
15K → 20K18757+130#23963#23833
20K → Half359+26#23833#23807
Half → 25K25321-296#23807#24103
25K → 30K56238-182#24103#24285
30K → 20M3666-30#24285#24315
20M → 21M7217+55#24315#24260
21M → 35K25250#24260#24260
35K → 23M984-75#24260#24335
23M → 24M2535-10#24335#24345
24M → 40K1075-65#24345#24410
40K → 25.2M157+8#24410#24402
25.2M → Finish722+70#24402#24332
TOTALS9901189-199
📊

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