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BOSTON MARATHON 2025

Matthew Clark

Bib: 8000•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M40-44)
#0 / 2247
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #7220
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
42:17
Rank: #6342 (+878)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:03:08
Rank: #5937 (+405)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:24:21
Rank: #5834 (+103)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:28:58
Rank: #5834
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:41
Rank: #5750 (+84)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:07:35
Rank: #5545 (+205)
25K → 30K
21:54 | 7:03/mi
20M
2:17:11
Rank: #5441 (+104)
30K → 20M
9:36 | 7:04/mi
21M
2:24:34
Rank: #5308 (+133)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:29:37
Rank: #5225 (+83)
21M → 35K
5:03 | 6:45/mi
23M
2:38:23
Rank: #5094 (+131)
35K → 23M
8:46 | 7:00/mi
24M
2:45:03
Rank: #4953 (+141)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:50:44
Rank: #4778 (+175)
24M → 40K
5:41 | 6:39/mi
25.2M
2:53:15
Rank: #4727 (+51)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:59:36
Rank: #4560 (+167)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5321:306:5521:30
6:55
-
10K
6.21 mi10:50:4042:176:4820:47
6:41
-0:14
15K
9.32 mi11:11:311:03:086:4620:51
6:43
+0:02
20K
12.43 mi11:32:441:24:216:4721:13
6:50
+0:07
Half
13.11 mi11:37:211:28:586:474:37
6:46
-0:04
25K
15.53 mi11:54:041:45:416:4816:43
6:54
+0:08
30K
18.64 mi12:15:582:07:356:5121:54
7:03
+0:09
20M
20.00 mi12:25:342:17:116:529:36
7:04
+0:01
21M
21.00 mi12:32:572:24:346:537:23
7:23
+0:19
35K
21.75 mi12:38:002:29:376:535:03
6:45
-0:38
23M
23.00 mi12:46:462:38:236:538:46
7:00
+0:15
24M
24.00 mi12:53:262:45:036:536:40
6:40
-0:20
40K
24.85 mi12:59:072:50:446:525:41
6:39
-0:01
25.2M
25.20 mi13:01:382:53:156:532:31
7:18
+0:39
Finish
26.22 mi13:07:592:59:366:516:21
6:14
-1:04

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

6:14 /mi

Average Pace

6:51 /mi

Slowest Pace

7:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:13

51% of race

Time at Steady Pace

1:21:00

45% of race

Time at Slower Pace

7:23

4% of race

Average Pace: 6:51 /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 mi10:29:5321:306:5521:30
6:55
#7220
10K
6.21 mi10:50:4042:176:4820:47
6:41
#6342
15K
9.32 mi11:11:311:03:086:4620:51
6:43
#5937
20K
12.43 mi11:32:441:24:216:4721:13
6:50
#5834
Half
13.11 mi11:37:211:28:586:474:37
6:46
#5834
25K
15.53 mi11:54:041:45:416:4816:43
6:54
#5750
30K
18.64 mi12:15:582:07:356:5121:54
7:03
#5545
20M
20.00 mi12:25:342:17:116:529:36
7:04
#5441
21M
21.00 mi12:32:572:24:346:537:23
7:23
#5308
35K
21.75 mi12:38:002:29:376:535:03
6:45
#5225
23M
23.00 mi12:46:462:38:236:538:46
7:00
#5094
24M
24.00 mi12:53:262:45:036:536:40
6:40
#4953
40K
24.85 mi12:59:072:50:446:525:41
6:39
#4778
25.2M
25.20 mi13:01:382:53:156:532:31
7:18
#4727
Finish
26.22 mi13:07:592:59:366:516:21
6:14
#4560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7220646164615190(Top 18%)4803(Top 30%)4803(Top 214%)
10K6.21 mi3.10 mi6342+8785795+6665795+6665256(Top 19%)4877(Top 30%)4877(Top 217%)
15K9.32 mi3.11 mi5937+4055444+3515444+3515190(Top 18%)4803(Top 30%)4803(Top 214%)
20K12.43 mi3.11 mi5834+1035347+975347+975596(Top 20%)5103(Top 32%)5103(Top 227%)
Half13.11 mi0.68 mi58345348-15348-15835(Top 21%)5322(Top 33%)5322(Top 237%)
25K15.53 mi2.42 mi5750+845268+805268+805629(Top 20%)5103(Top 32%)5103(Top 227%)
30K18.64 mi3.11 mi5545+2055073+1955073+1955011(Top 18%)4550(Top 28%)4550(Top 202%)
20M20.00 mi1.36 mi5441+1044981+924981+924490(Top 16%)4088(Top 25%)4088(Top 182%)
21M21.00 mi1.00 mi5308+1334855+1264855+1264043(Top 14%)3666(Top 23%)3666(Top 163%)
35K21.75 mi0.75 mi5225+834785+704785+703847(Top 14%)3469(Top 22%)3469(Top 154%)
23M23.00 mi1.25 mi5094+1314663+1224663+1223782(Top 13%)3405(Top 21%)3405(Top 152%)
24M24.00 mi1.00 mi4953+1414534+1294534+1292830(Top 10%)2597(Top 16%)2597(Top 116%)
40K24.85 mi0.85 mi4778+1754380+1544380+1542180(Top 8%)2006(Top 12%)2006(Top 89%)
25.2M25.20 mi0.35 mi4727+514333+474333+472586(Top 9%)2320(Top 14%)2320(Top 103%)
Finish26.22 mi1.02 mi4560+1674181+1524181+1521646(Top 6%)1530(Top 10%)1530(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5190

Males

4803

M40-44

4803

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5256

Males

4877

M40-44

4877

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5190

Males

4803

M40-44

4803

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5596

Males

5103

M40-44

5103

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5835

Males

5322

M40-44

5322

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5629

Males

5103

M40-44

5103

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5011

Males

4550

M40-44

4550

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4490

Males

4088

M40-44

4088

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4043

Males

3666

M40-44

3666

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3847

Males

3469

M40-44

3469

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3782

Males

3405

M40-44

3405

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2830

Males

2597

M40-44

2597

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2180

Males

2006

M40-44

2006

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2586

Males

2320

M40-44

2320

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1646

Males

1530

M40-44

1530

Passing Analysis

Category:
Athletes Passed
3024
Passed By
364
Net Change
+2660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7220
5K → 10K88810+878#7220#6342
10K → 15K42217+405#6342#5937
15K → 20K17572+103#5937#5834
20K → Half24240#5834#5834
Half → 25K16783+84#5834#5750
25K → 30K28176+205#5750#5545
30K → 20M12723+104#5545#5441
20M → 21M15623+133#5441#5308
21M → 35K929+83#5308#5225
35K → 23M14817+131#5225#5094
23M → 24M1443+141#5094#4953
24M → 40K1772+175#4953#4778
40K → 25.2M554+51#4778#4727
25.2M → Finish1681+167#4727#4560
TOTALS3024364+2660
📊

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