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BOSTON MARATHON 2025

Peter Kotchen

Bib: 14118•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
Division (M55-59)
#0 / 1648
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:09:34
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:34:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:39:18
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:57:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:22:44
↑ 181↓ 1480.2%
20M
8:06/mi
2:33:44
↑ 64↓ 500.2%
21M
9:54/mi
2:43:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:49:24
↑ 17↓ 861.7%
23M
8:21/mi
2:59:51
↑ 23↓ 630.6%
24M
8:05/mi
3:07:56
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:14:57
↓ 200.3%
25.2M
12:08/mi
3:19:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:27:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:18
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:48:02
Pace8:14 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2122:577:2322:57
7:23
-
10K
6.21 mi11:16:3946:157:2723:18
7:30
+0:07
15K
9.32 mi11:39:581:09:347:2823:19
7:30
0:00
20K
12.43 mi12:04:341:34:107:3524:36
7:55
+0:25
Half
13.11 mi12:09:421:39:187:345:08
7:31
-0:24
25K
15.53 mi12:28:181:57:547:3518:36
7:40
+0:09
30K
18.64 mi12:53:082:22:447:3924:50
8:00
+0:20
20M
20.00 mi13:04:082:33:447:4111:00
8:06
+0:06
21M
21.00 mi13:14:022:43:387:489:54
9:54
+1:48
35K
21.75 mi13:19:482:49:247:475:46
7:42
-2:12
23M
23.00 mi13:30:152:59:517:4910:27
8:21
+0:39
24M
24.00 mi13:38:203:07:567:508:05
8:05
-0:16
40K
24.85 mi13:45:213:14:577:517:01
8:12
+0:07
25.2M
25.20 mi13:49:323:19:087:544:11
12:08
+3:56
Finish
26.22 mi13:57:443:27:207:558:12
8:03
-4:05

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

7:23 /mi

Average Pace

7:55 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:57

11% of race

Time at Steady Pace

2:50:18

82% of race

Time at Slower Pace

14:05

7% of race

Average Pace: 7:54 /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 mi10:53:2122:577:2322:57
7:23
#11193
10K
6.21 mi11:16:3946:157:2723:18
7:30
#11643
15K
9.32 mi11:39:581:09:347:2823:19
7:30
#11658
20K
12.43 mi12:04:341:34:107:3524:36
7:55
#12296
Half
13.11 mi12:09:421:39:187:345:08
7:31
#12287
25K
15.53 mi12:28:181:57:547:3518:36
7:40
#12076
30K
18.64 mi12:53:082:22:447:3924:50
8:00
#11879
20M
20.00 mi13:04:082:33:447:4111:00
8:06
#11776
21M
21.00 mi13:14:022:43:387:489:54
9:54
#12235
35K
21.75 mi13:19:482:49:247:475:46
7:42
#12140
23M
23.00 mi13:30:152:59:517:4910:27
8:21
#12119
24M
24.00 mi13:38:203:07:567:508:05
8:05
#12088
40K
24.85 mi13:45:213:14:577:517:01
8:12
#12051
25.2M
25.20 mi13:49:323:19:087:544:11
12:08
#12363
Finish
26.22 mi13:57:443:27:207:558:12
8:03
#12382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi111938800880011794(Top 42%)8968(Top 56%)8968(Top 544%)
10K6.21 mi3.10 mi11643-4508994-1948994-19412077(Top 43%)9185(Top 57%)9185(Top 557%)
15K9.32 mi3.11 mi11658-158973+218973+2111794(Top 42%)8968(Top 56%)8968(Top 544%)
20K12.43 mi3.11 mi12296-6389233-2609233-26014232(Top 50%)9974(Top 62%)9974(Top 605%)
Half13.11 mi0.68 mi12287+99221+129221+1211875(Top 42%)8983(Top 56%)8983(Top 545%)
25K15.53 mi2.42 mi12076+2119087+1349087+13411318(Top 40%)8540(Top 53%)8540(Top 518%)
30K18.64 mi3.11 mi11879+1978915+1728915+17211321(Top 40%)8353(Top 52%)8353(Top 507%)
20M20.00 mi1.36 mi11776+1038837+788837+7811066(Top 39%)8065(Top 50%)8065(Top 489%)
21M21.00 mi1.00 mi12235-4599007-1709007-17017875(Top 63%)11096(Top 69%)11096(Top 673%)
35K21.75 mi0.75 mi12140+958935+728935+7210129(Top 36%)7439(Top 46%)7439(Top 451%)
23M23.00 mi1.25 mi12119+218898+378898+3712304(Top 43%)8374(Top 52%)8374(Top 508%)
24M24.00 mi1.00 mi12088+318842+568842+5611779(Top 41%)8052(Top 50%)8052(Top 489%)
40K24.85 mi0.85 mi12051+378785+578785+5711578(Top 41%)7856(Top 49%)7856(Top 477%)
25.2M25.20 mi0.35 mi12363-3128933-1488933-14823468(Top 83%)13499(Top 84%)13499(Top 819%)
Finish26.22 mi1.02 mi12382-198903+308903+3013181(Top 46%)8604(Top 53%)8604(Top 522%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11794

Males

8968

M55-59

8968

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12077

Males

9185

M55-59

9185

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11794

Males

8968

M55-59

8968

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14232

Males

9974

M55-59

9974

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11875

Males

8983

M55-59

8983

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11318

Males

8540

M55-59

8540

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11321

Males

8353

M55-59

8353

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11066

Males

8065

M55-59

8065

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17875

Males

11096

M55-59

11096

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10129

Males

7439

M55-59

7439

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12304

Males

8374

M55-59

8374

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11779

Males

8052

M55-59

8052

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11578

Males

7856

M55-59

7856

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23468

Males

13499

M55-59

13499

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13181

Males

8604

M55-59

8604

Passing Analysis

Category:
Athletes Passed
1646
Passed By
2835
Net Change
-1189
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11193
5K → 10K95545-450#11193#11643
10K → 15K179194-15#11643#11658
15K → 20K61699-638#11658#12296
20K → Half3122+9#12296#12287
Half → 25K26756+211#12287#12076
25K → 30K332135+197#12076#11879
30K → 20M16158+103#11879#11776
20M → 21M32491-459#11776#12235
21M → 35K11015+95#12235#12140
35K → 23M11493+21#12140#12119
23M → 24M9867+31#12119#12088
24M → 40K9154+37#12088#12051
40K → 25.2M4316-312#12051#12363
25.2M → Finish7190-19#12363#12382
TOTALS16462835-1189
📊

Passing Visuals

Category:
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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