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BOSTON MARATHON 2024

John Corwin

Bib: 6534•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 10%
Gender (Male)
#0 / 14578
Top 16%
Masters (Masters Men)
#0 / 9729
Top 7%
Division (M40-44)
#0 / 2009
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:52
Rank: #4954
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:52
Rank: #4855 (+99)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:02:44
Rank: #4566 (+289)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:23:35
Rank: #4150 (+416)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:28:09
Rank: #4111 (+39)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:28
Rank: #3829 (+282)
Half → 25K
16:19 | 6:44/mi
30K· 18.64 mi
2:05:44
Rank: #3344 (+485)
25K → 30K
21:16 | 6:51/mi
20M
2:15:08
Rank: #3165 (+179)
30K → 20M
9:24 | 6:55/mi
21M
2:22:15
Rank: #2962 (+203)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:27:26
Rank: #2930 (+32)
21M → 35K
5:11 | 6:56/mi
23M
2:36:08
Rank: #2785 (+145)
35K → 23M
8:42 | 6:57/mi
24M
2:42:57
Rank: #2677 (+108)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:48:57
Rank: #2603 (+74)
24M → 40K
6:00 | 7:01/mi
25.2M
2:51:35
Rank: #2566 (+37)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:58:32
Rank: #2541 (+25)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:09
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:23
Pace6:54 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0920:526:4320:52
6:43
-
10K
6.21 mi10:48:0941:526:4421:00
6:46
+0:03
15K
9.32 mi11:09:011:02:446:4420:52
6:43
-0:03
20K
12.43 mi11:29:521:23:356:4420:51
6:43
0:00
Half
13.11 mi11:34:261:28:096:434:34
6:42
-0:01
25K
15.53 mi11:50:451:44:286:4316:19
6:44
+0:02
30K
18.64 mi12:12:012:05:446:4521:16
6:51
+0:07
20M
20.00 mi12:21:252:15:086:459:24
6:55
+0:04
21M
21.00 mi12:28:322:22:156:467:07
7:07
+0:12
35K
21.75 mi12:33:432:27:266:475:11
6:56
-0:11
23M
23.00 mi12:42:252:36:086:478:42
6:57
+0:01
24M
24.00 mi12:49:142:42:576:476:49
6:49
-0:08
40K
24.85 mi12:55:142:48:576:486:00
7:01
+0:12
25.2M
25.20 mi12:57:522:51:356:492:38
7:38
+0:37
Finish
26.22 mi13:04:492:58:326:496:57
6:49
-0:49

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

6:42 /mi

Average Pace

6:49 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:54

99% of race

Time at Steady Pace

2:38

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:27:0920:526:4320:52
6:43
#4954
10K
6.21 mi10:48:0941:526:4421:00
6:46
#4855
15K
9.32 mi11:09:011:02:446:4420:52
6:43
#4566
20K
12.43 mi11:29:521:23:356:4420:51
6:43
#4150
Half
13.11 mi11:34:261:28:096:434:34
6:42
#4111
25K
15.53 mi11:50:451:44:286:4316:19
6:44
#3829
30K
18.64 mi12:12:012:05:446:4521:16
6:51
#3344
20M
20.00 mi12:21:252:15:086:459:24
6:55
#3165
21M
21.00 mi12:28:322:22:156:467:07
7:07
#2962
35K
21.75 mi12:33:432:27:266:475:11
6:56
#2930
23M
23.00 mi12:42:252:36:086:478:42
6:57
#2785
24M
24.00 mi12:49:142:42:576:476:49
6:49
#2677
40K
24.85 mi12:55:142:48:576:486:00
7:01
#2603
25.2M
25.20 mi12:57:522:51:356:492:38
7:38
#2566
Finish
26.22 mi13:04:492:58:326:496:57
6:49
#2541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4954459145914028(Top 16%)3788(Top 26%)3788(Top 189%)
10K6.21 mi3.10 mi4855+994511+804511+804808(Top 19%)4462(Top 31%)4462(Top 222%)
15K9.32 mi3.11 mi4566+2894259+2524259+2524028(Top 16%)3788(Top 26%)3788(Top 189%)
20K12.43 mi3.11 mi4150+4163898+3613898+3613272(Top 13%)3103(Top 21%)3103(Top 154%)
Half13.11 mi0.68 mi4111+393864+343864+343668(Top 14%)3438(Top 24%)3438(Top 171%)
25K15.53 mi2.42 mi3829+2823606+2583606+2582806(Top 11%)2651(Top 18%)2651(Top 132%)
30K18.64 mi3.11 mi3344+4853162+4443162+4442114(Top 8%)2002(Top 14%)2002(Top 100%)
20M20.00 mi1.36 mi3165+1792992+1702992+1702028(Top 8%)1906(Top 13%)1906(Top 95%)
21M21.00 mi1.00 mi2962+2032803+1892803+1891359(Top 5%)1284(Top 9%)1284(Top 64%)
35K21.75 mi0.75 mi2930+322765+382765+382766(Top 11%)2506(Top 17%)2506(Top 125%)
23M23.00 mi1.25 mi2785+1452624+1412624+1411775(Top 7%)1637(Top 11%)1637(Top 81%)
24M24.00 mi1.00 mi2677+1082525+992525+991739(Top 7%)1593(Top 11%)1593(Top 79%)
40K24.85 mi0.85 mi2603+742453+722453+721897(Top 7%)1710(Top 12%)1710(Top 85%)
25.2M25.20 mi0.35 mi2566+372416+372416+371759(Top 7%)1575(Top 11%)1575(Top 78%)
Finish26.22 mi1.02 mi2541+252385+312385+312410(Top 9%)2083(Top 14%)2083(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4028

Males

3788

M40-44

3788

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4808

Males

4462

M40-44

4462

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4028

Males

3788

M40-44

3788

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3272

Males

3103

M40-44

3103

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3668

Males

3438

M40-44

3438

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2806

Males

2651

M40-44

2651

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2114

Males

2002

M40-44

2002

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2028

Males

1906

M40-44

1906

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1359

Males

1284

M40-44

1284

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2766

Males

2506

M40-44

2506

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1775

Males

1637

M40-44

1637

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1739

Males

1593

M40-44

1593

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1897

Males

1710

M40-44

1710

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1759

Males

1575

M40-44

1575

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2410

Males

2083

M40-44

2083

Passing Analysis

Category:
Athletes Passed
2701
Passed By
288
Net Change
+2413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4954
5K → 10K233134+99#4954#4855
10K → 15K31324+289#4855#4566
15K → 20K42610+416#4566#4150
20K → Half4910+39#4150#4111
Half → 25K2908+282#4111#3829
25K → 30K4927+485#3829#3344
30K → 20M1856+179#3344#3165
20M → 21M2041+203#3165#2962
21M → 35K6230+32#2962#2930
35K → 23M1527+145#2930#2785
23M → 24M1179+108#2785#2677
24M → 40K8915+74#2677#2603
40K → 25.2M392+37#2603#2566
25.2M → Finish5025+25#2566#2541
TOTALS2701288+2413
📊

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