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BOSTON MARATHON 2023

Joshua Jamison

Bib: 3959•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 19%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M45-49)
#0 / 2252
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #4463
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
41:46
Rank: #4198 (+265)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:21
Rank: #3904 (+294)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:23:06
Rank: #3735 (+169)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:34
Rank: #3697 (+38)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:43:38
Rank: #3514 (+183)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:04:44
Rank: #3367 (+147)
25K → 30K
21:06 | 6:47/mi
20M
2:14:00
Rank: #3285 (+82)
30K → 20M
9:16 | 6:49/mi
21M
2:21:05
Rank: #3212 (+73)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:26:01
Rank: #3179 (+33)
21M → 35K
4:56 | 6:36/mi
23M
2:34:35
Rank: #3134 (+45)
35K → 23M
8:34 | 6:51/mi
24M
2:41:09
Rank: #3075 (+59)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:46:51
Rank: #2996 (+79)
24M → 40K
5:42 | 6:40/mi
25.2M
2:49:20
Rank: #2968 (+28)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:56:09
Rank: #2965 (+3)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:34
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:28:35
Pace6:45 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3121:046:4721:04
6:47
-
10K
6.21 mi10:43:1341:466:4320:42
6:40
-0:07
15K
9.32 mi11:03:481:02:216:4120:35
6:38
-0:02
20K
12.43 mi11:24:331:23:066:4120:45
6:41
+0:03
Half
13.11 mi11:29:011:27:346:414:28
6:33
-0:08
25K
15.53 mi11:45:051:43:386:4016:04
6:38
+0:05
30K
18.64 mi12:06:112:04:446:4121:06
6:47
+0:09
20M
20.00 mi12:15:272:14:006:429:16
6:49
+0:02
21M
21.00 mi12:22:322:21:056:437:05
7:05
+0:16
35K
21.75 mi12:27:282:26:016:434:56
6:36
-0:29
23M
23.00 mi12:36:022:34:356:438:34
6:51
+0:15
24M
24.00 mi12:42:362:41:096:436:34
6:34
-0:17
40K
24.85 mi12:48:182:46:516:435:42
6:40
+0:06
25.2M
25.20 mi12:50:472:49:206:432:29
7:12
+0:32
Finish
26.22 mi12:57:362:56:096:436:49
6:41
-0:31

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

6:33 /mi

Average Pace

6:43 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:35

95% of race

Time at Steady Pace

9:34

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:22:3121:046:4721:04
6:47
#4463
10K
6.21 mi10:43:1341:466:4320:42
6:40
#4198
15K
9.32 mi11:03:481:02:216:4120:35
6:38
#3904
20K
12.43 mi11:24:331:23:066:4120:45
6:41
#3735
Half
13.11 mi11:29:011:27:346:414:28
6:33
#3697
25K
15.53 mi11:45:051:43:386:4016:04
6:38
#3514
30K
18.64 mi12:06:112:04:446:4121:06
6:47
#3367
20M
20.00 mi12:15:272:14:006:429:16
6:49
#3285
21M
21.00 mi12:22:322:21:056:437:05
7:05
#3212
35K
21.75 mi12:27:282:26:016:434:56
6:36
#3179
23M
23.00 mi12:36:022:34:356:438:34
6:51
#3134
24M
24.00 mi12:42:362:41:096:436:34
6:34
#3075
40K
24.85 mi12:48:182:46:516:435:42
6:40
#2996
25.2M
25.20 mi12:50:472:49:206:432:29
7:12
#2968
Finish
26.22 mi12:57:362:56:096:436:49
6:41
#2965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4463416541653495(Top 13%)3309(Top 22%)3309(Top 147%)
10K6.21 mi3.10 mi4198+2653934+2313934+2313969(Top 15%)3735(Top 25%)3735(Top 166%)
15K9.32 mi3.11 mi3904+2943677+2573677+2573495(Top 13%)3309(Top 22%)3309(Top 147%)
20K12.43 mi3.11 mi3735+1693532+1453532+1453394(Top 13%)3217(Top 21%)3217(Top 143%)
Half13.11 mi0.68 mi3697+383496+363496+363068(Top 12%)2933(Top 19%)2933(Top 130%)
25K15.53 mi2.42 mi3514+1833333+1633333+1632869(Top 11%)2740(Top 18%)2740(Top 122%)
30K18.64 mi3.11 mi3367+1473193+1403193+1402921(Top 11%)2766(Top 18%)2766(Top 123%)
20M20.00 mi1.36 mi3285+823114+793114+792932(Top 11%)2757(Top 18%)2757(Top 122%)
21M21.00 mi1.00 mi3212+733046+683046+682554(Top 10%)2412(Top 16%)2412(Top 107%)
35K21.75 mi0.75 mi3179+333014+323014+322958(Top 11%)2769(Top 18%)2769(Top 123%)
23M23.00 mi1.25 mi3134+452972+422972+422893(Top 11%)2703(Top 18%)2703(Top 120%)
24M24.00 mi1.00 mi3075+592915+572915+572392(Top 9%)2235(Top 15%)2235(Top 99%)
40K24.85 mi0.85 mi2996+792841+742841+742199(Top 8%)2050(Top 14%)2050(Top 91%)
25.2M25.20 mi0.35 mi2968+282813+282813+282518(Top 9%)2331(Top 15%)2331(Top 104%)
Finish26.22 mi1.02 mi2965+32808+52808+53429(Top 13%)3071(Top 20%)3071(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3495

Males

3309

M45-49

3309

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3969

Males

3735

M45-49

3735

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3495

Males

3309

M45-49

3309

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3394

Males

3217

M45-49

3217

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3068

Males

2933

M45-49

2933

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2869

Males

2740

M45-49

2740

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2921

Males

2766

M45-49

2766

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2932

Males

2757

M45-49

2757

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2554

Males

2412

M45-49

2412

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2958

Males

2769

M45-49

2769

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2893

Males

2703

M45-49

2703

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2392

Males

2235

M45-49

2235

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2199

Males

2050

M45-49

2050

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2518

Males

2331

M45-49

2331

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3429

Males

3071

M45-49

3071

Passing Analysis

Category:
Athletes Passed
1846
Passed By
348
Net Change
+1498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4463
5K → 10K36297+265#4463#4198
10K → 15K32127+294#4198#3904
15K → 20K20031+169#3904#3735
20K → Half402+38#3735#3697
Half → 25K1929+183#3697#3514
25K → 30K17730+147#3514#3367
30K → 20M10624+82#3367#3285
20M → 21M829+73#3285#3212
21M → 35K4815+33#3212#3179
35K → 23M7732+45#3179#3134
23M → 24M7314+59#3134#3075
24M → 40K878+79#3075#2996
40K → 25.2M368+28#2996#2968
25.2M → Finish4542+3#2968#2965
TOTALS1846348+1498
📊

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