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BOSTON MARATHON 2025

Shawn Clancy

Bib: 31392•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:02
Rank: #17045
Start → 5K
25:02 | 8:03/mi
10K· 6.21 mi
49:10
Rank: #15798 (+1247)
5K → 10K
24:08 | 7:46/mi
15K· 9.32 mi
1:13:02
Rank: #14939 (+859)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:37:13
Rank: #14428 (+511)
15K → 20K
24:11 | 7:47/mi
Half· 13.11 mi
1:42:29
Rank: #14377 (+51)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:01:41
Rank: #14158 (+219)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:27:11
Rank: #13848 (+310)
25K → 30K
25:30 | 8:12/mi
20M
2:38:33
Rank: #13734 (+114)
30K → 20M
11:22 | 8:22/mi
21M
2:47:11
Rank: #13556 (+178)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:53:17
Rank: #13533 (+23)
21M → 35K
6:06 | 8:09/mi
23M
3:03:38
Rank: #13398 (+135)
35K → 23M
10:21 | 8:16/mi
24M
3:11:43
Rank: #13311 (+87)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:18:55
Rank: #13286 (+25)
24M → 40K
7:12 | 8:25/mi
25.2M
3:22:04
Rank: #13260 (+26)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:30:23
Rank: #13308 (-48)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:29
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:47:54
Pace8:14 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0125:028:0325:02
8:03
-
10K
6.21 mi12:05:0949:107:5524:08
7:46
-0:17
15K
9.32 mi12:29:011:13:027:5023:52
7:41
-0:05
20K
12.43 mi12:53:121:37:137:4924:11
7:47
+0:06
Half
13.11 mi12:58:281:42:297:495:16
7:43
-0:04
25K
15.53 mi13:17:402:01:417:5019:12
7:55
+0:12
30K
18.64 mi13:43:102:27:117:5425:30
8:12
+0:17
20M
20.00 mi13:54:322:38:337:5611:22
8:22
+0:10
21M
21.00 mi14:03:102:47:117:588:38
8:38
+0:16
35K
21.75 mi14:09:162:53:177:586:06
8:09
-0:29
23M
23.00 mi14:19:373:03:387:5910:21
8:16
+0:07
24M
24.00 mi14:27:423:11:437:598:05
8:05
-0:11
40K
24.85 mi14:34:543:18:558:007:12
8:25
+0:20
25.2M
25.20 mi14:38:033:22:048:013:09
9:08
+0:43
Finish
26.22 mi14:46:223:30:238:028:19
8:10
-0:58

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

7:41 /mi

Average Pace

8:02 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:36

94% of race

Time at Steady Pace

8:38

4% of race

Time at Slower Pace

3:09

1% of race

Average Pace: 8:01 /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 mi11:41:0125:028:0325:02
8:03
#17045
10K
6.21 mi12:05:0949:107:5524:08
7:46
#15798
15K
9.32 mi12:29:011:13:027:5023:52
7:41
#14939
20K
12.43 mi12:53:121:37:137:4924:11
7:47
#14428
Half
13.11 mi12:58:281:42:297:495:16
7:43
#14377
25K
15.53 mi13:17:402:01:417:5019:12
7:55
#14158
30K
18.64 mi13:43:102:27:117:5425:30
8:12
#13848
20M
20.00 mi13:54:322:38:337:5611:22
8:22
#13734
21M
21.00 mi14:03:102:47:117:588:38
8:38
#13556
35K
21.75 mi14:09:162:53:177:586:06
8:09
#13533
23M
23.00 mi14:19:373:03:387:5910:21
8:16
#13398
24M
24.00 mi14:27:423:11:437:598:05
8:05
#13311
40K
24.85 mi14:34:543:18:558:007:12
8:25
#13286
25.2M
25.20 mi14:38:033:22:048:013:09
9:08
#13260
Finish
26.22 mi14:46:223:30:238:028:19
8:10
#13308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17045112281122813311(Top 47%)9646(Top 60%)9646(Top 171%)
10K6.21 mi3.10 mi15798+124710732+49610732+49614499(Top 51%)10205(Top 63%)10205(Top 181%)
15K9.32 mi3.11 mi14939+85910374+35810374+35813311(Top 47%)9646(Top 60%)9646(Top 171%)
20K12.43 mi3.11 mi14428+51110134+24010134+24013117(Top 46%)9471(Top 59%)9471(Top 168%)
Half13.11 mi0.68 mi14377+5110107+2710107+2713501(Top 48%)9689(Top 60%)9689(Top 172%)
25K15.53 mi2.42 mi14158+2199984+1239984+12313235(Top 47%)9409(Top 58%)9409(Top 167%)
30K18.64 mi3.11 mi13848+3109786+1989786+19812876(Top 45%)9083(Top 56%)9083(Top 161%)
20M20.00 mi1.36 mi13734+1149712+749712+7412914(Top 45%)8957(Top 56%)8957(Top 159%)
21M21.00 mi1.00 mi13556+1789594+1189594+11811275(Top 40%)8019(Top 50%)8019(Top 142%)
35K21.75 mi0.75 mi13533+239563+319563+3113271(Top 47%)8927(Top 55%)8927(Top 158%)
23M23.00 mi1.25 mi13398+1359463+1009463+10011812(Top 42%)8149(Top 51%)8149(Top 144%)
24M24.00 mi1.00 mi13311+879404+599404+5911786(Top 41%)8059(Top 50%)8059(Top 143%)
40K24.85 mi0.85 mi13286+259362+429362+4212901(Top 45%)8480(Top 53%)8480(Top 150%)
25.2M25.20 mi0.35 mi13260+269336+269336+2612515(Top 44%)8244(Top 51%)8244(Top 146%)
Finish26.22 mi1.02 mi13308-489347-119347-1113986(Top 49%)9006(Top 56%)9006(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13311

Males

9646

M18-39

9646

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14499

Males

10205

M18-39

10205

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13311

Males

9646

M18-39

9646

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13117

Males

9471

M18-39

9471

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

13501

Males

9689

M18-39

9689

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13235

Males

9409

M18-39

9409

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12876

Males

9083

M18-39

9083

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12914

Males

8957

M18-39

8957

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11275

Males

8019

M18-39

8019

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13271

Males

8927

M18-39

8927

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11812

Males

8149

M18-39

8149

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11786

Males

8059

M18-39

8059

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12901

Males

8480

M18-39

8480

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12515

Males

8244

M18-39

8244

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13986

Males

9006

M18-39

9006

Passing Analysis

Category:
Athletes Passed
4308
Passed By
571
Net Change
+3737
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17045
5K → 10K128033+1247#17045#15798
10K → 15K8612+859#15798#14939
15K → 20K52413+511#14939#14428
20K → Half6413+51#14428#14377
Half → 25K26950+219#14377#14158
25K → 30K412102+310#14158#13848
30K → 20M16652+114#13848#13734
20M → 21M20123+178#13734#13556
21M → 35K6239+23#13556#13533
35K → 23M17237+135#13533#13398
23M → 24M11932+87#13398#13311
24M → 40K8964+25#13311#13286
40K → 25.2M4519+26#13286#13260
25.2M → Finish4492-48#13260#13308
TOTALS4308571+3737
📊

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