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BOSTON MARATHON 2025

Herbert Shaughnessy

Bib: 30012•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
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
25:01
Rank: #17008
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
49:51
Rank: #16696 (+312)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:14:51
Rank: #16564 (+132)
10K → 15K
25:00 | 8:03/mi
20K· 12.43 mi
1:39:56
Rank: #16249 (+315)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:45:22
Rank: #16207 (+42)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:06:15
Rank: #16501 (-294)
Half → 25K
20:53 | 8:37/mi
30K· 18.64 mi
2:34:43
Rank: #16839 (-338)
25K → 30K
28:28 | 9:10/mi
20M
2:48:06
Rank: #17160 (-321)
30K → 20M
13:23 | 9:51/mi
21M
2:59:32
Rank: #17686 (-526)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:07:23
Rank: #18021 (-335)
21M → 35K
7:51 | 10:30/mi
23M
3:22:47
Rank: #18970 (-949)
35K → 23M
15:24 | 12:18/mi
24M
3:32:39
Rank: #19094 (-124)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
3:41:38
Rank: #19247 (-153)
24M → 40K
8:59 | 10:30/mi
25.2M
3:46:11
Rank: #19430 (-183)
40K → 25.2M
4:33 | 13:12/mi
Finish· 26.22 mi
3:55:14
Rank: #19385 (+45)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:09:52
Pace9:54 /mi
📊Positive Split: 23.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0125:018:0325:01
8:03
-
10K
6.21 mi12:10:5149:518:0124:50
8:00
-0:03
15K
9.32 mi12:35:511:14:518:0225:00
8:03
+0:03
20K
12.43 mi13:00:561:39:568:0225:05
8:04
+0:01
Half
13.11 mi13:06:221:45:228:025:26
7:58
-0:06
25K
15.53 mi13:27:152:06:158:0820:53
8:37
+0:39
30K
18.64 mi13:55:432:34:438:1828:28
9:10
+0:33
20M
20.00 mi14:09:062:48:068:2413:23
9:51
+0:41
21M
21.00 mi14:20:322:59:328:3311:26
11:26
+1:35
35K
21.75 mi14:28:233:07:238:377:51
10:30
-0:56
23M
23.00 mi14:43:473:22:478:4915:24
12:18
+1:48
24M
24.00 mi14:53:393:32:398:529:52
9:52
-2:26
40K
24.85 mi15:02:383:41:388:558:59
10:30
+0:38
25.2M
25.20 mi15:07:113:46:118:594:33
13:12
+2:42
Finish
26.22 mi15:16:143:55:148:599:03
8:53
-4:19

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

8:59 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:22

45% of race

Time at Steady Pace

1:21:39

35% of race

Time at Slower Pace

48:13

20% of race

Average Pace: 8:58 /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 mi11:46:0125:018:0325:01
8:03
#17008
10K
6.21 mi12:10:5149:518:0124:50
8:00
#16696
15K
9.32 mi12:35:511:14:518:0225:00
8:03
#16564
20K
12.43 mi13:00:561:39:568:0225:05
8:04
#16249
Half
13.11 mi13:06:221:45:228:025:26
7:58
#16207
25K
15.53 mi13:27:152:06:158:0820:53
8:37
#16501
30K
18.64 mi13:55:432:34:438:1828:28
9:10
#16839
20M
20.00 mi14:09:062:48:068:2413:23
9:51
#17160
21M
21.00 mi14:20:322:59:328:3311:26
11:26
#17686
35K
21.75 mi14:28:233:07:238:377:51
10:30
#18021
23M
23.00 mi14:43:473:22:478:4915:24
12:18
#18970
24M
24.00 mi14:53:393:32:398:529:52
9:52
#19094
40K
24.85 mi15:02:383:41:388:558:59
10:30
#19247
25.2M
25.20 mi15:07:113:46:118:594:33
13:12
#19430
Finish
26.22 mi15:16:143:55:148:599:03
8:53
#19385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17008112171121716382(Top 58%)10969(Top 68%)10969(Top 194%)
10K6.21 mi3.10 mi16696+31211097+12011097+12016421(Top 58%)10997(Top 68%)10997(Top 195%)
15K9.32 mi3.11 mi16564+13211052+4511052+4516382(Top 58%)10969(Top 68%)10969(Top 194%)
20K12.43 mi3.11 mi16249+31510903+14910903+14915450(Top 54%)10523(Top 65%)10523(Top 187%)
Half13.11 mi0.68 mi16207+4210882+2110882+2115601(Top 55%)10629(Top 66%)10629(Top 188%)
25K15.53 mi2.42 mi16501-29410993-11110993-11117873(Top 63%)11471(Top 71%)11471(Top 203%)
30K18.64 mi3.11 mi16839-33811069-7611069-7618472(Top 65%)11602(Top 72%)11602(Top 206%)
20M20.00 mi1.36 mi17160-32111175-10611175-10620436(Top 72%)12339(Top 77%)12339(Top 219%)
21M21.00 mi1.00 mi17686-52611376-20111376-20122458(Top 79%)13178(Top 82%)13178(Top 234%)
35K21.75 mi0.75 mi18021-33511510-13411510-13423133(Top 81%)13449(Top 84%)13449(Top 238%)
23M23.00 mi1.25 mi18970-94911884-37411884-37425535(Top 90%)14592(Top 91%)14592(Top 259%)
24M24.00 mi1.00 mi19094-12411921-3711921-3720933(Top 74%)12307(Top 76%)12307(Top 218%)
40K24.85 mi0.85 mi19247-15311956-3511956-3521935(Top 77%)12712(Top 79%)12712(Top 225%)
25.2M25.20 mi0.35 mi19430-18312029-7312029-7325277(Top 89%)14377(Top 89%)14377(Top 255%)
Finish26.22 mi1.02 mi19385+4511986+4311986+4318440(Top 65%)11089(Top 69%)11089(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16382

Males

10969

M18-39

10969

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16421

Males

10997

M18-39

10997

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16382

Males

10969

M18-39

10969

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15450

Males

10523

M18-39

10523

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15601

Males

10629

M18-39

10629

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17873

Males

11471

M18-39

11471

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18472

Males

11602

M18-39

11602

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20436

Males

12339

M18-39

12339

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22458

Males

13178

M18-39

13178

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

23133

Males

13449

M18-39

13449

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25535

Males

14592

M18-39

14592

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20933

Males

12307

M18-39

12307

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21935

Males

12712

M18-39

12712

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25277

Males

14377

M18-39

14377

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18440

Males

11089

M18-39

11089

Passing Analysis

Category:
Athletes Passed
1642
Passed By
4019
Net Change
-2377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17008
5K → 10K481169+312#17008#16696
10K → 15K268136+132#16696#16564
15K → 20K38570+315#16564#16249
20K → Half5210+42#16249#16207
Half → 25K80374-294#16207#16501
25K → 30K132470-338#16501#16839
30K → 20M36357-321#16839#17160
20M → 21M28554-526#17160#17686
21M → 35K19354-335#17686#18021
35K → 23M11960-949#18021#18970
23M → 24M30154-124#18970#19094
24M → 40K36189-153#19094#19247
40K → 25.2M5188-183#19247#19430
25.2M → Finish7934+45#19430#19385
TOTALS16424019-2377
📊

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