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BOSTON MARATHON 2025

W. Michael Harris

Bib: 9441•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M45-49)
#0 / 2386
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #5448
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:31
Rank: #5201 (+247)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:11
Rank: #4970 (+231)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:23:16
Rank: #4993 (-23)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:27:48
Rank: #4972 (+21)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:18
Rank: #4929 (+43)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:06:22
Rank: #4990 (-61)
25K → 30K
22:04 | 7:06/mi
20M
2:16:36
Rank: #5184 (-194)
30K → 20M
10:14 | 7:32/mi
21M
2:24:52
Rank: #5425 (-241)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:30:43
Rank: #5597 (-172)
21M → 35K
5:51 | 7:49/mi
23M
2:41:37
Rank: #5968 (-371)
35K → 23M
10:54 | 8:42/mi
24M
2:50:09
Rank: #6252 (-284)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
2:57:52
Rank: #6536 (-284)
24M → 40K
7:43 | 9:02/mi
25.2M
3:01:24
Rank: #6729 (-193)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:11:31
Rank: #7476 (-747)
25.2M → Finish
10:07 | 9:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:48
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:43:43
Pace7:55 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2220:496:4220:49
6:42
-
10K
6.21 mi11:07:0441:316:4120:42
6:40
-0:02
15K
9.32 mi11:27:441:02:116:4020:40
6:39
-0:01
20K
12.43 mi11:48:491:23:166:4221:05
6:47
+0:08
Half
13.11 mi11:53:211:27:486:424:32
6:39
-0:08
25K
15.53 mi12:09:511:44:186:4316:30
6:48
+0:09
30K
18.64 mi12:31:552:06:226:4722:04
7:06
+0:18
20M
20.00 mi12:42:092:16:366:5010:14
7:32
+0:26
21M
21.00 mi12:50:252:24:526:548:16
8:16
+0:44
35K
21.75 mi12:56:162:30:436:565:51
7:49
-0:27
23M
23.00 mi13:07:102:41:377:0210:54
8:42
+0:53
24M
24.00 mi13:15:422:50:097:058:32
8:32
-0:10
40K
24.85 mi13:23:252:57:527:097:43
9:02
+0:30
25.2M
25.20 mi13:26:573:01:247:123:32
10:15
+1:13
Finish
26.22 mi13:37:043:11:317:1910:07
9:56
-0:19

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

6:39 /mi

Average Pace

7:19 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:18

54% of race

Time at Steady Pace

38:09

20% of race

Time at Slower Pace

49:04

26% of race

Average Pace: 7:18 /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 mi10:46:2220:496:4220:49
6:42
#5448
10K
6.21 mi11:07:0441:316:4120:42
6:40
#5201
15K
9.32 mi11:27:441:02:116:4020:40
6:39
#4970
20K
12.43 mi11:48:491:23:166:4221:05
6:47
#4993
Half
13.11 mi11:53:211:27:486:424:32
6:39
#4972
25K
15.53 mi12:09:511:44:186:4316:30
6:48
#4929
30K
18.64 mi12:31:552:06:226:4722:04
7:06
#4990
20M
20.00 mi12:42:092:16:366:5010:14
7:32
#5184
21M
21.00 mi12:50:252:24:526:548:16
8:16
#5425
35K
21.75 mi12:56:162:30:436:565:51
7:49
#5597
23M
23.00 mi13:07:102:41:377:0210:54
8:42
#5968
24M
24.00 mi13:15:422:50:097:058:32
8:32
#6252
40K
24.85 mi13:23:252:57:527:097:43
9:02
#6536
25.2M
25.20 mi13:26:573:01:247:123:32
10:15
#6729
Finish
26.22 mi13:37:043:11:317:1910:07
9:56
#7476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5448505850584661(Top 16%)4362(Top 27%)4362(Top 183%)
10K6.21 mi3.10 mi5201+2474837+2214837+2215002(Top 18%)4668(Top 29%)4668(Top 196%)
15K9.32 mi3.11 mi4970+2314634+2034634+2034661(Top 16%)4362(Top 27%)4362(Top 183%)
20K12.43 mi3.11 mi4993-234649-154649-155166(Top 18%)4761(Top 30%)4761(Top 200%)
Half13.11 mi0.68 mi4972+214626+234626+234808(Top 17%)4468(Top 28%)4468(Top 187%)
25K15.53 mi2.42 mi4929+434581+454581+454911(Top 17%)4512(Top 28%)4512(Top 189%)
30K18.64 mi3.11 mi4990-614605-244605-245327(Top 19%)4802(Top 30%)4802(Top 201%)
20M20.00 mi1.36 mi5184-1944762-1574762-1577190(Top 25%)5953(Top 37%)5953(Top 249%)
21M21.00 mi1.00 mi5425-2414956-1944956-1948972(Top 32%)6791(Top 42%)6791(Top 285%)
35K21.75 mi0.75 mi5597-1725090-1345090-13410915(Top 38%)7798(Top 48%)7798(Top 327%)
23M23.00 mi1.25 mi5968-3715356-2665356-26614552(Top 51%)9408(Top 58%)9408(Top 394%)
24M24.00 mi1.00 mi6252-2845551-1955551-19514687(Top 52%)9430(Top 59%)9430(Top 395%)
40K24.85 mi0.85 mi6536-2845724-1735724-17316402(Top 58%)10085(Top 63%)10085(Top 423%)
25.2M25.20 mi0.35 mi6729-1935836-1125836-11217984(Top 63%)10784(Top 67%)10784(Top 452%)
Finish26.22 mi1.02 mi7476-7476292-4566292-45622686(Top 80%)13110(Top 81%)13110(Top 549%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4661

Males

4362

M45-49

4362

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5002

Males

4668

M45-49

4668

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4661

Males

4362

M45-49

4362

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5166

Males

4761

M45-49

4761

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4808

Males

4468

M45-49

4468

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4911

Males

4512

M45-49

4512

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5327

Males

4802

M45-49

4802

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7190

Males

5953

M45-49

5953

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8972

Males

6791

M45-49

6791

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10915

Males

7798

M45-49

7798

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14552

Males

9408

M45-49

9408

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14687

Males

9430

M45-49

9430

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16402

Males

10085

M45-49

10085

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17984

Males

10784

M45-49

10784

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22686

Males

13110

M45-49

13110

Passing Analysis

Category:
Athletes Passed
1147
Passed By
3175
Net Change
-2028
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5448
5K → 10K32477+247#5448#5201
10K → 15K27746+231#5201#4970
15K → 20K121144-23#4970#4993
20K → Half309+21#4993#4972
Half → 25K12481+43#4972#4929
25K → 30K143204-61#4929#4990
30K → 20M29223-194#4990#5184
20M → 21M25266-241#5184#5425
21M → 35K13185-172#5425#5597
35K → 23M29400-371#5597#5968
23M → 24M11295-284#5968#6252
24M → 40K12296-284#6252#6536
40K → 25.2M5198-193#6536#6729
25.2M → Finish4751-747#6729#7476
TOTALS11473175-2028
📊

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