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BOSTON MARATHON 2025

John Skain

Bib: 20113•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:48
Rank: #16435
Start → 5K
24:48 | 7:59/mi
10K· 6.21 mi
49:54
Rank: #16758 (-323)
5K → 10K
25:06 | 8:05/mi
15K· 9.32 mi
1:14:39
Rank: #16405 (+353)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:40:05
Rank: #16331 (+74)
15K → 20K
25:26 | 8:11/mi
Half· 13.11 mi
1:45:35
Rank: #16336 (-5)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:06:05
Rank: #16424 (-88)
Half → 25K
20:30 | 8:27/mi
30K· 18.64 mi
2:34:06
Rank: #16632 (-208)
25K → 30K
28:01 | 9:01/mi
20M
2:46:45
Rank: #16748 (-116)
30K → 20M
12:39 | 9:19/mi
21M
2:56:45
Rank: #16808 (-60)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
3:03:29
Rank: #16848 (-40)
21M → 35K
6:44 | 9:00/mi
23M
3:18:29
Rank: #17854 (-1006)
35K → 23M
15:00 | 11:59/mi
24M
3:27:58
Rank: #17930 (-76)
23M → 24M
9:29 | 9:29/mi
40K· 24.85 mi
3:37:41
Rank: #18364 (-434)
24M → 40K
9:43 | 11:22/mi
25.2M
3:41:26
Rank: #18404 (-40)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:50:16
Rank: #18377 (+27)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:35
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:04:41
Pace9:31 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2424:487:5924:48
7:59
-
10K
6.21 mi11:41:3049:548:0225:06
8:05
+0:06
15K
9.32 mi12:06:151:14:398:0124:45
7:58
-0:07
20K
12.43 mi12:31:411:40:058:0325:26
8:11
+0:13
Half
13.11 mi12:37:111:45:358:035:30
8:04
-0:07
25K
15.53 mi12:57:412:06:058:0720:30
8:27
+0:23
30K
18.64 mi13:25:422:34:068:1628:01
9:01
+0:34
20M
20.00 mi13:38:212:46:458:2012:39
9:19
+0:18
21M
21.00 mi13:48:212:56:458:2510:00
10:00
+0:41
35K
21.75 mi13:55:053:03:298:266:44
9:00
-1:00
23M
23.00 mi14:10:053:18:298:3815:00
11:59
+2:59
24M
24.00 mi14:19:343:27:588:409:29
9:29
-2:30
40K
24.85 mi14:29:173:37:418:459:43
11:22
+1:53
25.2M
25.20 mi14:33:023:41:268:473:45
10:52
-0:30
Finish
26.22 mi14:41:523:50:168:478:50
8:40
-2:12

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

7:58 /mi

Average Pace

8:47 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:35

46% of race

Time at Steady Pace

1:26:13

37% of race

Time at Slower Pace

38:28

17% of race

Average Pace: 8:47 /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 mi11:16:2424:487:5924:48
7:59
#16435
10K
6.21 mi11:41:3049:548:0225:06
8:05
#16758
15K
9.32 mi12:06:151:14:398:0124:45
7:58
#16405
20K
12.43 mi12:31:411:40:058:0325:26
8:11
#16331
Half
13.11 mi12:37:111:45:358:035:30
8:04
#16336
25K
15.53 mi12:57:412:06:058:0720:30
8:27
#16424
30K
18.64 mi13:25:422:34:068:1628:01
9:01
#16632
20M
20.00 mi13:38:212:46:458:2012:39
9:19
#16748
21M
21.00 mi13:48:212:56:458:2510:00
10:00
#16808
35K
21.75 mi13:55:053:03:298:266:44
9:00
#16848
23M
23.00 mi14:10:053:18:298:3815:00
11:59
#17854
24M
24.00 mi14:19:343:27:588:409:29
9:29
#17930
40K
24.85 mi14:29:173:37:418:459:43
11:22
#18364
25.2M
25.20 mi14:33:023:41:268:473:45
10:52
#18404
Finish
26.22 mi14:41:523:50:168:478:50
8:40
#18377
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16435109821098215783(Top 56%)10710(Top 67%)10710(Top 851%)
10K6.21 mi3.10 mi16758-32311120-13811120-13817051(Top 60%)11268(Top 70%)11268(Top 895%)
15K9.32 mi3.11 mi16405+35310980+14010980+14015783(Top 56%)10710(Top 67%)10710(Top 851%)
20K12.43 mi3.11 mi16331+7410943+3710943+3716222(Top 57%)10840(Top 67%)10840(Top 861%)
Half13.11 mi0.68 mi16336-510940+310940+316354(Top 58%)10930(Top 68%)10930(Top 868%)
25K15.53 mi2.42 mi16424-8810957-1710957-1716907(Top 60%)11062(Top 69%)11062(Top 879%)
30K18.64 mi3.11 mi16632-20810985-2810985-2817776(Top 63%)11270(Top 70%)11270(Top 895%)
20M20.00 mi1.36 mi16748-11611013-2811013-2818320(Top 64%)11369(Top 71%)11369(Top 903%)
21M21.00 mi1.00 mi16808-6010997+1610997+1618278(Top 64%)11294(Top 70%)11294(Top 897%)
35K21.75 mi0.75 mi16848-4010998-110998-118210(Top 64%)11146(Top 69%)11146(Top 885%)
23M23.00 mi1.25 mi17854-100611391-39311391-39325084(Top 88%)14374(Top 89%)14374(Top 1142%)
24M24.00 mi1.00 mi17930-7611395-411395-419567(Top 69%)11652(Top 72%)11652(Top 925%)
40K24.85 mi0.85 mi18364-43411564-16911564-16923876(Top 84%)13704(Top 85%)13704(Top 1088%)
25.2M25.20 mi0.35 mi18404-4011575-1111575-1120218(Top 71%)11887(Top 74%)11887(Top 944%)
Finish26.22 mi1.02 mi18377+2711538+3711538+3717262(Top 61%)10530(Top 65%)10530(Top 836%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15783

Males

10710

M60-64

10710

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17051

Males

11268

M60-64

11268

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15783

Males

10710

M60-64

10710

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16222

Males

10840

M60-64

10840

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16354

Males

10930

M60-64

10930

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16907

Males

11062

M60-64

11062

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17776

Males

11270

M60-64

11270

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18320

Males

11369

M60-64

11369

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18278

Males

11294

M60-64

11294

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18210

Males

11146

M60-64

11146

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25084

Males

14374

M60-64

14374

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19567

Males

11652

M60-64

11652

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23876

Males

13704

M60-64

13704

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20218

Males

11887

M60-64

11887

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17262

Males

10530

M60-64

10530

Passing Analysis

Category:
Athletes Passed
1535
Passed By
3477
Net Change
-1942
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16435
5K → 10K171494-323#16435#16758
10K → 15K41461+353#16758#16405
15K → 20K250176+74#16405#16331
20K → Half3742-5#16331#16336
Half → 25K119207-88#16336#16424
25K → 30K160368-208#16424#16632
30K → 20M78194-116#16632#16748
20M → 21M88148-60#16748#16808
21M → 35K4989-40#16808#16848
35K → 23M141020-1006#16848#17854
23M → 24M59135-76#17854#17930
24M → 40K13447-434#17930#18364
40K → 25.2M1252-40#18364#18404
25.2M → Finish7144+27#18404#18377
TOTALS15353477-1942
📊

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