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BOSTON MARATHON 2025

Doug Corcoran

Bib: 9286•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #9455
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
45:25
Rank: #10419 (-964)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:15
Rank: #11337 (-918)
10K → 15K
23:50 | 7:40/mi
20K· 12.43 mi
1:33:24
Rank: #11770 (-433)
15K → 20K
24:09 | 7:46/mi
Half· 13.11 mi
1:38:38
Rank: #11838 (-68)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:57:34
Rank: #11908 (-70)
Half → 25K
18:56 | 7:49/mi
30K· 18.64 mi
2:24:02
Rank: #12482 (-574)
25K → 30K
26:28 | 8:31/mi
20M
2:36:50
Rank: #13062 (-580)
30K → 20M
12:48 | 9:25/mi
21M
2:46:21
Rank: #13256 (-194)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
2:52:15
Rank: #13169 (+87)
21M → 35K
5:54 | 7:53/mi
23M
3:03:43
Rank: #13420 (-251)
35K → 23M
11:28 | 9:09/mi
24M
3:14:09
Rank: #14130 (-710)
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
3:23:48
Rank: #14739 (-609)
24M → 40K
9:39 | 11:17/mi
25.2M
3:27:24
Rank: #14811 (-72)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:37:50
Rank: #15343 (-532)
25.2M → Finish
10:26 | 10:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:38
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:59:12
Pace9:06 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0522:227:1222:22
7:12
-
10K
6.21 mi11:11:0845:257:1923:03
7:25
+0:13
15K
9.32 mi11:34:581:09:157:2623:50
7:40
+0:15
20K
12.43 mi11:59:071:33:247:3124:09
7:46
+0:06
Half
13.11 mi12:04:211:38:387:315:14
7:40
-0:06
25K
15.53 mi12:23:171:57:347:3418:56
7:49
+0:09
30K
18.64 mi12:49:452:24:027:4426:28
8:31
+0:42
20M
20.00 mi13:02:332:36:507:5012:48
9:25
+0:54
21M
21.00 mi13:12:042:46:217:559:31
9:31
+0:06
35K
21.75 mi13:17:582:52:157:555:54
7:53
-1:38
23M
23.00 mi13:29:263:03:437:5911:28
9:09
+1:16
24M
24.00 mi13:39:523:14:098:0510:26
10:26
+1:17
40K
24.85 mi13:49:313:23:488:129:39
11:17
+0:51
25.2M
25.20 mi13:53:073:27:248:143:36
10:26
-0:51
Finish
26.22 mi14:03:333:37:508:1910:26
10:14
-0:12

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

7:12 /mi

Average Pace

8:19 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:34

54% of race

Time at Steady Pace

43:50

20% of race

Time at Slower Pace

56:26

26% of race

Average Pace: 8:18 /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 mi10:48:0522:227:1222:22
7:12
#9455
10K
6.21 mi11:11:0845:257:1923:03
7:25
#10419
15K
9.32 mi11:34:581:09:157:2623:50
7:40
#11337
20K
12.43 mi11:59:071:33:247:3124:09
7:46
#11770
Half
13.11 mi12:04:211:38:387:315:14
7:40
#11838
25K
15.53 mi12:23:171:57:347:3418:56
7:49
#11908
30K
18.64 mi12:49:452:24:027:4426:28
8:31
#12482
20M
20.00 mi13:02:332:36:507:5012:48
9:25
#13062
21M
21.00 mi13:12:042:46:217:559:31
9:31
#13256
35K
21.75 mi13:17:582:52:157:555:54
7:53
#13169
23M
23.00 mi13:29:263:03:437:5911:28
9:09
#13420
24M
24.00 mi13:39:523:14:098:0510:26
10:26
#14130
40K
24.85 mi13:49:313:23:488:129:39
11:17
#14739
25.2M
25.20 mi13:53:073:27:248:143:36
10:26
#14811
Finish
26.22 mi14:03:333:37:508:1910:26
10:14
#15343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi94557864786413215(Top 47%)9616(Top 60%)9616(Top 482%)
10K6.21 mi3.10 mi10419-9648381-5178381-51711349(Top 40%)8831(Top 55%)8831(Top 442%)
15K9.32 mi3.11 mi11337-9188815-4348815-43413215(Top 47%)9616(Top 60%)9616(Top 482%)
20K12.43 mi3.11 mi11770-4338990-1758990-17513044(Top 46%)9437(Top 59%)9437(Top 473%)
Half13.11 mi0.68 mi11838-689008-189008-1813145(Top 46%)9544(Top 59%)9544(Top 478%)
25K15.53 mi2.42 mi11908-709003+59003+512432(Top 44%)9049(Top 56%)9049(Top 453%)
30K18.64 mi3.11 mi12482-5749192-1899192-18914864(Top 52%)9997(Top 62%)9997(Top 501%)
20M20.00 mi1.36 mi13062-5809413-2219413-22118805(Top 66%)11587(Top 72%)11587(Top 581%)
21M21.00 mi1.00 mi13256-1949470-579470-5716142(Top 57%)10310(Top 64%)10310(Top 517%)
35K21.75 mi0.75 mi13169+879417+539417+5311461(Top 40%)8095(Top 50%)8095(Top 406%)
23M23.00 mi1.25 mi13420-2519475-589475-5817120(Top 60%)10555(Top 66%)10555(Top 529%)
24M24.00 mi1.00 mi14130-7109764-2899764-28922610(Top 80%)13109(Top 81%)13109(Top 657%)
40K24.85 mi0.85 mi14739-60910011-24710011-24723727(Top 84%)13621(Top 85%)13621(Top 682%)
25.2M25.20 mi0.35 mi14811-7210040-2910040-2918730(Top 66%)11174(Top 69%)11174(Top 560%)
Finish26.22 mi1.02 mi15343-53210231-19110231-19123619(Top 83%)13571(Top 84%)13571(Top 680%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13215

Males

9616

M50-54

9616

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11349

Males

8831

M50-54

8831

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13215

Males

9616

M50-54

9616

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13044

Males

9437

M50-54

9437

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13145

Males

9544

M50-54

9544

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12432

Males

9049

M50-54

9049

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14864

Males

9997

M50-54

9997

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18805

Males

11587

M50-54

11587

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16142

Males

10310

M50-54

10310

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11461

Males

8095

M50-54

8095

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17120

Males

10555

M50-54

10555

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22610

Males

13109

M50-54

13109

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23727

Males

13621

M50-54

13621

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18730

Males

11174

M50-54

11174

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23619

Males

13571

M50-54

13571

Passing Analysis

Category:
Athletes Passed
696
Passed By
6582
Net Change
-5888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9455
5K → 10K34996-964#9455#10419
10K → 15K42960-918#10419#11337
15K → 20K76509-433#11337#11770
20K → Half1785-68#11770#11838
Half → 25K139209-70#11838#11908
25K → 30K109683-574#11908#12482
30K → 20M35615-580#12482#13062
20M → 21M43237-194#13062#13256
21M → 35K10316+87#13256#13169
35K → 23M54305-251#13169#13420
23M → 24M10720-710#13420#14130
24M → 40K11620-609#14130#14739
40K → 25.2M1789-72#14739#14811
25.2M → Finish6538-532#14811#15343
TOTALS6966582-5888
📊

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