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BOSTON MARATHON 2025

Matt Koehler

Bib: 8871•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:22
Rank: #6874
Start → 5K
21:22 | 6:53/mi
10K· 6.21 mi
41:58
Rank: #5853 (+1021)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:02:36
Rank: #5398 (+455)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:23:27
Rank: #5118 (+280)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:27:54
Rank: #5040 (+78)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:04
Rank: #4786 (+254)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:05:32
Rank: #4599 (+187)
25K → 30K
21:28 | 6:55/mi
20M
2:15:11
Rank: #4587 (+12)
30K → 20M
9:39 | 7:06/mi
21M
2:22:43
Rank: #4579 (+8)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:27:37
Rank: #4459 (+120)
21M → 35K
4:54 | 6:33/mi
23M
2:36:28
Rank: #4406 (+53)
35K → 23M
8:51 | 7:04/mi
24M
2:43:36
Rank: #4443 (-37)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:50:23
Rank: #4661 (-218)
24M → 40K
6:47 | 7:56/mi
25.2M
2:53:26
Rank: #4779 (-118)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:01:19
Rank: #4982 (-203)
25.2M → Finish
7:53 | 7:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:54
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:33:25
Pace7:08 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5921:226:5321:22
6:53
-
10K
6.21 mi11:07:3541:586:4520:36
6:38
-0:15
15K
9.32 mi11:28:131:02:366:4320:38
6:38
0:00
20K
12.43 mi11:49:041:23:276:4320:51
6:43
+0:05
Half
13.11 mi11:53:311:27:546:424:27
6:31
-0:12
25K
15.53 mi12:09:411:44:046:4216:10
6:40
+0:09
30K
18.64 mi12:31:092:05:326:4421:28
6:55
+0:15
20M
20.00 mi12:40:482:15:116:469:39
7:06
+0:11
21M
21.00 mi12:48:202:22:436:487:32
7:32
+0:26
35K
21.75 mi12:53:142:27:376:474:54
6:33
-0:59
23M
23.00 mi13:02:052:36:286:488:51
7:04
+0:31
24M
24.00 mi13:09:132:43:366:497:08
7:08
+0:04
40K
24.85 mi13:16:002:50:236:516:47
7:56
+0:48
25.2M
25.20 mi13:19:032:53:266:533:03
8:51
+0:55
Finish
26.22 mi13:26:563:01:196:557:53
7:44
-1:07

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

6:31 /mi

Average Pace

6:55 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:21

5% of race

Time at Steady Pace

2:26:43

81% of race

Time at Slower Pace

25:15

14% of race

Average Pace: 6:55 /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 mi10:46:5921:226:5321:22
6:53
#6874
10K
6.21 mi11:07:3541:586:4520:36
6:38
#5853
15K
9.32 mi11:28:131:02:366:4320:38
6:38
#5398
20K
12.43 mi11:49:041:23:276:4320:51
6:43
#5118
Half
13.11 mi11:53:311:27:546:424:27
6:31
#5040
25K
15.53 mi12:09:411:44:046:4216:10
6:40
#4786
30K
18.64 mi12:31:092:05:326:4421:28
6:55
#4599
20M
20.00 mi12:40:482:15:116:469:39
7:06
#4587
21M
21.00 mi12:48:202:22:436:487:32
7:32
#4579
35K
21.75 mi12:53:142:27:376:474:54
6:33
#4459
23M
23.00 mi13:02:052:36:286:488:51
7:04
#4406
24M
24.00 mi13:09:132:43:366:497:08
7:08
#4443
40K
24.85 mi13:16:002:50:236:516:47
7:56
#4661
25.2M
25.20 mi13:19:032:53:266:533:03
8:51
#4779
Finish
26.22 mi13:26:563:01:196:557:53
7:44
#4982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6874621062104580(Top 16%)4287(Top 27%)4287(Top 191%)
10K6.21 mi3.10 mi5853+10215388+8225388+8224693(Top 17%)4393(Top 27%)4393(Top 196%)
15K9.32 mi3.11 mi5398+4554995+3934995+3934580(Top 16%)4287(Top 27%)4287(Top 191%)
20K12.43 mi3.11 mi5118+2804750+2454750+2454521(Top 16%)4208(Top 26%)4208(Top 187%)
Half13.11 mi0.68 mi5040+784686+644686+643827(Top 13%)3607(Top 22%)3607(Top 161%)
25K15.53 mi2.42 mi4786+2544452+2344452+2343899(Top 14%)3646(Top 23%)3646(Top 162%)
30K18.64 mi3.11 mi4599+1874283+1694283+1694135(Top 15%)3802(Top 24%)3802(Top 169%)
20M20.00 mi1.36 mi4587+124255+284255+284667(Top 16%)4226(Top 26%)4226(Top 188%)
21M21.00 mi1.00 mi4579+84249+64249+64761(Top 17%)4195(Top 26%)4195(Top 187%)
35K21.75 mi0.75 mi4459+1204134+1154134+1152723(Top 10%)2521(Top 16%)2521(Top 112%)
23M23.00 mi1.25 mi4406+534078+564078+564147(Top 15%)3691(Top 23%)3691(Top 164%)
24M24.00 mi1.00 mi4443-374099-214099-215375(Top 19%)4509(Top 28%)4509(Top 201%)
40K24.85 mi0.85 mi4661-2184280-1814280-1819643(Top 34%)6853(Top 43%)6853(Top 305%)
25.2M25.20 mi0.35 mi4779-1184377-974377-9710776(Top 38%)7330(Top 46%)7330(Top 326%)
Finish26.22 mi1.02 mi4982-2034531-1544531-15410913(Top 38%)7452(Top 46%)7452(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4580

Males

4287

M40-44

4287

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4693

Males

4393

M40-44

4393

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4580

Males

4287

M40-44

4287

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4521

Males

4208

M40-44

4208

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3827

Males

3607

M40-44

3607

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3899

Males

3646

M40-44

3646

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4135

Males

3802

M40-44

3802

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4667

Males

4226

M40-44

4226

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4761

Males

4195

M40-44

4195

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2723

Males

2521

M40-44

2521

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4147

Males

3691

M40-44

3691

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5375

Males

4509

M40-44

4509

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9643

Males

6853

M40-44

6853

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10776

Males

7330

M40-44

7330

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10913

Males

7452

M40-44

7452

Passing Analysis

Category:
Athletes Passed
2819
Passed By
927
Net Change
+1892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6874
5K → 10K10243+1021#6874#5853
10K → 15K4616+455#5853#5398
15K → 20K30222+280#5398#5118
20K → Half802+78#5118#5040
Half → 25K2639+254#5040#4786
25K → 30K25063+187#4786#4599
30K → 20M7563+12#4599#4587
20M → 21M8274+8#4587#4579
21M → 35K1233+120#4579#4459
35K → 23M9037+53#4459#4406
23M → 24M3673-37#4406#4443
24M → 40K19237-218#4443#4661
40K → 25.2M8126-118#4661#4779
25.2M → Finish6209-203#4779#4982
TOTALS2819927+1892
📊

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