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BOSTON MARATHON 2025

Scott Shannon

Bib: 9385•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:25
Rank: #7026
Start → 5K
21:25 | 6:54/mi
10K· 6.21 mi
42:35
Rank: #6780 (+246)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:03:34
Rank: #6411 (+369)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:24:53
Rank: #6230 (+181)
15K → 20K
21:19 | 6:52/mi
Half· 13.11 mi
1:29:31
Rank: #6208 (+22)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:32
Rank: #6241 (-33)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:10:17
Rank: #6592 (-351)
25K → 30K
23:45 | 7:39/mi
20M
2:21:30
Rank: #6872 (-280)
30K → 20M
11:13 | 8:15/mi
21M
2:30:38
Rank: #7215 (-343)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:37:05
Rank: #7468 (-253)
21M → 35K
6:27 | 8:37/mi
23M
2:48:01
Rank: #7846 (-378)
35K → 23M
10:56 | 8:44/mi
24M
2:56:18
Rank: #8071 (-225)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:03:15
Rank: #8157 (-86)
24M → 40K
6:57 | 8:08/mi
25.2M
3:06:11
Rank: #8158 (-1)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:14:00
Rank: #8218 (-60)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:31
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4821:256:5421:25
6:54
-
10K
6.21 mi11:08:5842:356:5121:10
6:49
-0:05
15K
9.32 mi11:29:571:03:346:4920:59
6:45
-0:04
20K
12.43 mi11:51:161:24:536:5021:19
6:52
+0:07
Half
13.11 mi11:55:541:29:316:504:38
6:47
-0:05
25K
15.53 mi12:12:551:46:326:5117:01
7:01
+0:14
30K
18.64 mi12:36:402:10:176:5923:45
7:39
+0:38
20M
20.00 mi12:47:532:21:307:0411:13
8:15
+0:36
21M
21.00 mi12:57:012:30:387:109:08
9:08
+0:53
35K
21.75 mi13:03:282:37:057:136:27
8:37
-0:31
23M
23.00 mi13:14:242:48:017:1810:56
8:44
+0:07
24M
24.00 mi13:22:412:56:187:218:17
8:17
-0:27
40K
24.85 mi13:29:383:03:157:226:57
8:08
-0:09
25.2M
25.20 mi13:32:343:06:117:232:56
8:30
+0:22
Finish
26.22 mi13:40:233:14:007:247:49
7:40
-0:50

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

6:45 /mi

Average Pace

7:24 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:32

55% of race

Time at Steady Pace

31:34

16% of race

Time at Slower Pace

55:54

29% of race

Average Pace: 7:24 /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 mi10:47:4821:256:5421:25
6:54
#7026
10K
6.21 mi11:08:5842:356:5121:10
6:49
#6780
15K
9.32 mi11:29:571:03:346:4920:59
6:45
#6411
20K
12.43 mi11:51:161:24:536:5021:19
6:52
#6230
Half
13.11 mi11:55:541:29:316:504:38
6:47
#6208
25K
15.53 mi12:12:551:46:326:5117:01
7:01
#6241
30K
18.64 mi12:36:402:10:176:5923:45
7:39
#6592
20M
20.00 mi12:47:532:21:307:0411:13
8:15
#6872
21M
21.00 mi12:57:012:30:387:109:08
9:08
#7215
35K
21.75 mi13:03:282:37:057:136:27
8:37
#7468
23M
23.00 mi13:14:242:48:017:1810:56
8:44
#7846
24M
24.00 mi13:22:412:56:187:218:17
8:17
#8071
40K
24.85 mi13:29:383:03:157:226:57
8:08
#8157
25.2M
25.20 mi13:32:343:06:117:232:56
8:30
#8158
Finish
26.22 mi13:40:233:14:007:247:49
7:40
#8218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7026631963195646(Top 20%)5163(Top 32%)5163(Top 216%)
10K6.21 mi3.10 mi6780+2466123+1966123+1966535(Top 23%)5912(Top 37%)5912(Top 248%)
15K9.32 mi3.11 mi6411+3695834+2895834+2895646(Top 20%)5163(Top 32%)5163(Top 216%)
20K12.43 mi3.11 mi6230+1815666+1685666+1685883(Top 21%)5343(Top 33%)5343(Top 224%)
Half13.11 mi0.68 mi6208+225648+185648+186125(Top 22%)5546(Top 34%)5546(Top 232%)
25K15.53 mi2.42 mi6241-335649-15649-16445(Top 23%)5725(Top 36%)5725(Top 240%)
30K18.64 mi3.11 mi6592-3515904-2555904-2558776(Top 31%)7017(Top 44%)7017(Top 294%)
20M20.00 mi1.36 mi6872-2806089-1856089-18512129(Top 43%)8571(Top 53%)8571(Top 359%)
21M21.00 mi1.00 mi7215-3436298-2096298-20914230(Top 50%)9433(Top 59%)9433(Top 395%)
35K21.75 mi0.75 mi7468-2536438-1406438-14016137(Top 57%)10220(Top 63%)10220(Top 428%)
23M23.00 mi1.25 mi7846-3786642-2046642-20414703(Top 52%)9481(Top 59%)9481(Top 397%)
24M24.00 mi1.00 mi8071-2256746-1046746-10413097(Top 46%)8681(Top 54%)8681(Top 364%)
40K24.85 mi0.85 mi8157-866778-326778-3211042(Top 39%)7578(Top 47%)7578(Top 318%)
25.2M25.20 mi0.35 mi8158-16765+136765+138771(Top 31%)6330(Top 39%)6330(Top 265%)
Finish26.22 mi1.02 mi8218-606756+96756+910450(Top 37%)7220(Top 45%)7220(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5646

Males

5163

M45-49

5163

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6535

Males

5912

M45-49

5912

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5646

Males

5163

M45-49

5163

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5883

Males

5343

M45-49

5343

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6125

Males

5546

M45-49

5546

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6445

Males

5725

M45-49

5725

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8776

Males

7017

M45-49

7017

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12129

Males

8571

M45-49

8571

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14230

Males

9433

M45-49

9433

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16137

Males

10220

M45-49

10220

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14703

Males

9481

M45-49

9481

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13097

Males

8681

M45-49

8681

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11042

Males

7578

M45-49

7578

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8771

Males

6330

M45-49

6330

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10450

Males

7220

M45-49

7220

Passing Analysis

Category:
Athletes Passed
1447
Passed By
2639
Net Change
-1192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7026
5K → 10K32680+246#7026#6780
10K → 15K39425+369#6780#6411
15K → 20K23453+181#6411#6230
20K → Half3816+22#6230#6208
Half → 25K108141-33#6208#6241
25K → 30K92443-351#6241#6592
30K → 20M30310-280#6592#6872
20M → 21M29372-343#6872#7215
21M → 35K9262-253#7215#7468
35K → 23M32410-378#7468#7846
23M → 24M30255-225#7846#8071
24M → 40K40126-86#8071#8157
40K → 25.2M2829-1#8157#8158
25.2M → Finish57117-60#8158#8218
TOTALS14472639-1192
📊

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