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BOSTON MARATHON 2023

John Walmsley

Bib: 6831•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M40-44)
#0 / 2241
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:16
Rank: #7287
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
44:51
Rank: #7868 (-581)
5K → 10K
22:35 | 7:16/mi
15K· 9.32 mi
1:07:18
Rank: #7900 (-32)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:29:46
Rank: #7714 (+186)
15K → 20K
22:28 | 7:14/mi
Half· 13.11 mi
1:34:37
Rank: #7673 (+41)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:52:42
Rank: #7751 (-78)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:14:56
Rank: #7222 (+529)
25K → 30K
22:14 | 7:09/mi
20M
2:24:29
Rank: #6963 (+259)
30K → 20M
9:33 | 7:02/mi
21M
2:31:44
Rank: #6725 (+238)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:36:25
Rank: #6500 (+225)
21M → 35K
4:41 | 6:16/mi
23M
2:44:30
Rank: #6117 (+383)
35K → 23M
8:05 | 6:27/mi
24M
2:50:43
Rank: #5803 (+314)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:56:20
Rank: #5610 (+193)
24M → 40K
5:37 | 6:34/mi
25.2M
2:58:46
Rank: #5525 (+85)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
3:05:26
Rank: #5344 (+181)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:37
Pace7:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:30:49
Pace6:56 /mi
📊Negative Split: 4.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0722:167:1022:16
7:10
-
10K
6.21 mi10:48:4244:517:1322:35
7:16
+0:06
15K
9.32 mi11:11:091:07:187:1322:27
7:14
-0:02
20K
12.43 mi11:33:371:29:467:1322:28
7:14
0:00
Half
13.11 mi11:38:281:34:377:134:51
7:07
-0:07
25K
15.53 mi11:56:331:52:427:1518:05
7:27
+0:20
30K
18.64 mi12:18:472:14:567:1422:14
7:09
-0:18
20M
20.00 mi12:28:202:24:297:139:33
7:02
-0:07
21M
21.00 mi12:35:352:31:447:147:15
7:15
+0:13
35K
21.75 mi12:40:162:36:257:124:41
6:16
-0:59
23M
23.00 mi12:48:212:44:307:098:05
6:27
+0:11
24M
24.00 mi12:54:342:50:437:076:13
6:13
-0:14
40K
24.85 mi13:00:112:56:207:065:37
6:34
+0:21
25.2M
25.20 mi13:02:372:58:467:062:26
7:03
+0:29
Finish
26.22 mi13:09:173:05:267:056:40
6:33
-0:30

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

6:13 /mi

Average Pace

7:05 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:16

17% of race

Time at Steady Pace

2:16:05

73% of race

Time at Slower Pace

18:05

10% of race

Average Pace: 7:04 /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 mi10:26:0722:167:1022:16
7:10
#7287
10K
6.21 mi10:48:4244:517:1322:35
7:16
#7868
15K
9.32 mi11:11:091:07:187:1322:27
7:14
#7900
20K
12.43 mi11:33:371:29:467:1322:28
7:14
#7714
Half
13.11 mi11:38:281:34:377:134:51
7:07
#7673
25K
15.53 mi11:56:331:52:427:1518:05
7:27
#7751
30K
18.64 mi12:18:472:14:567:1422:14
7:09
#7222
20M
20.00 mi12:28:202:24:297:139:33
7:02
#6963
21M
21.00 mi12:35:352:31:447:147:15
7:15
#6725
35K
21.75 mi12:40:162:36:257:124:41
6:16
#6500
23M
23.00 mi12:48:212:44:307:098:05
6:27
#6117
24M
24.00 mi12:54:342:50:437:076:13
6:13
#5803
40K
24.85 mi13:00:112:56:207:065:37
6:34
#5610
25.2M
25.20 mi13:02:372:58:467:062:26
7:03
#5525
Finish
26.22 mi13:09:173:05:267:056:40
6:33
#5344
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7287648564857954(Top 30%)6888(Top 45%)6888(Top 307%)
10K6.21 mi3.10 mi7868-5816886-4016886-4018609(Top 32%)7328(Top 48%)7328(Top 327%)
15K9.32 mi3.11 mi7900-326891-56891-57954(Top 30%)6888(Top 45%)6888(Top 307%)
20K12.43 mi3.11 mi7714+1866755+1366755+1367278(Top 27%)6404(Top 42%)6404(Top 286%)
Half13.11 mi0.68 mi7673+416721+346721+347142(Top 27%)6311(Top 42%)6311(Top 282%)
25K15.53 mi2.42 mi7751-786755-346755-348448(Top 32%)7088(Top 47%)7088(Top 316%)
30K18.64 mi3.11 mi7222+5296380+3756380+3755250(Top 20%)4796(Top 32%)4796(Top 214%)
20M20.00 mi1.36 mi6963+2596180+2006180+2004218(Top 16%)3897(Top 26%)3897(Top 174%)
21M21.00 mi1.00 mi6725+2385982+1985982+1983385(Top 13%)3155(Top 21%)3155(Top 141%)
35K21.75 mi0.75 mi6500+2255804+1785804+1781474(Top 6%)1400(Top 9%)1400(Top 62%)
23M23.00 mi1.25 mi6117+3835512+2925512+2921306(Top 5%)1237(Top 8%)1237(Top 55%)
24M24.00 mi1.00 mi5803+3145258+2545258+2541095(Top 4%)1037(Top 7%)1037(Top 46%)
40K24.85 mi0.85 mi5610+1935103+1555103+1551825(Top 7%)1720(Top 11%)1720(Top 77%)
25.2M25.20 mi0.35 mi5525+855033+705033+702002(Top 8%)1885(Top 12%)1885(Top 84%)
Finish26.22 mi1.02 mi5344+1814878+1554878+1552698(Top 10%)2470(Top 16%)2470(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7954

Males

6888

M40-44

6888

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8609

Males

7328

M40-44

7328

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7954

Males

6888

M40-44

6888

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7278

Males

6404

M40-44

6404

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7142

Males

6311

M40-44

6311

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8448

Males

7088

M40-44

7088

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5250

Males

4796

M40-44

4796

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4218

Males

3897

M40-44

3897

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3385

Males

3155

M40-44

3155

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1474

Males

1400

M40-44

1400

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1306

Males

1237

M40-44

1237

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1095

Males

1037

M40-44

1037

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1825

Males

1720

M40-44

1720

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2002

Males

1885

M40-44

1885

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2698

Males

2470

M40-44

2470

Passing Analysis

Category:
Athletes Passed
2936
Passed By
993
Net Change
+1943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7287
5K → 10K61642-581#7287#7868
10K → 15K130162-32#7868#7900
15K → 20K21832+186#7900#7714
20K → Half5211+41#7714#7673
Half → 25K67145-78#7673#7751
25K → 30K5290+529#7751#7222
30K → 20M2590+259#7222#6963
20M → 21M2380+238#6963#6725
21M → 35K2250+225#6725#6500
35K → 23M3830+383#6500#6117
23M → 24M3140+314#6117#5803
24M → 40K1930+193#5803#5610
40K → 25.2M850+85#5610#5525
25.2M → Finish1821+181#5525#5344
TOTALS2936993+1943
📊

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