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BOSTON MARATHON 2025

Megan Shea

Bib: 11344•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #13396
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
47:06
Rank: #12846 (+550)
5K → 10K
23:23 | 7:32/mi
15K· 9.32 mi
1:09:23
Rank: #11490 (+1356)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:32:59
Rank: #11493 (-3)
15K → 20K
23:36 | 7:36/mi
Half· 13.11 mi
1:38:06
Rank: #11506 (-13)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:57:16
Rank: #11749 (-243)
Half → 25K
19:10 | 7:54/mi
30K· 18.64 mi
2:22:58
Rank: #11998 (-249)
25K → 30K
25:42 | 8:16/mi
20M
2:34:54
Rank: #12283 (-285)
30K → 20M
11:56 | 8:47/mi
21M
2:44:37
Rank: #12616 (-333)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
2:50:53
Rank: #12689 (-73)
21M → 35K
6:16 | 8:23/mi
23M
3:02:15
Rank: #12957 (-268)
35K → 23M
11:22 | 9:05/mi
24M
3:11:34
Rank: #13262 (-305)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:19:41
Rank: #13516 (-254)
24M → 40K
8:07 | 9:30/mi
25.2M
3:23:15
Rank: #13628 (-112)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:31:27
Rank: #13610 (+18)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:06
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:53:21
Pace8:39 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1923:437:3823:43
7:38
-
10K
6.21 mi11:13:4247:067:3523:23
7:32
-0:06
15K
9.32 mi11:35:591:09:237:2722:17
7:10
-0:22
20K
12.43 mi11:59:351:32:597:2923:36
7:36
+0:26
Half
13.11 mi12:04:421:38:067:295:07
7:30
-0:06
25K
15.53 mi12:23:521:57:167:3319:10
7:54
+0:24
30K
18.64 mi12:49:342:22:587:4025:42
8:16
+0:22
20M
20.00 mi13:01:302:34:547:4511:56
8:47
+0:31
21M
21.00 mi13:11:132:44:377:509:43
9:43
+0:56
35K
21.75 mi13:17:292:50:537:516:16
8:23
-1:20
23M
23.00 mi13:28:513:02:157:5511:22
9:05
+0:42
24M
24.00 mi13:38:103:11:347:599:19
9:19
+0:14
40K
24.85 mi13:46:173:19:418:028:07
9:30
+0:11
25.2M
25.20 mi13:49:513:23:158:043:34
10:21
+0:51
Finish
26.22 mi13:58:033:31:278:048:12
8:03
-2:18

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

7:10 /mi

Average Pace

8:04 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:06

46% of race

Time at Steady Pace

59:20

28% of race

Time at Slower Pace

54:01

26% of race

Average Pace: 8:04 /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 mi10:50:1923:437:3823:43
7:38
#13396
10K
6.21 mi11:13:4247:067:3523:23
7:32
#12846
15K
9.32 mi11:35:591:09:237:2722:17
7:10
#11490
20K
12.43 mi11:59:351:32:597:2923:36
7:36
#11493
Half
13.11 mi12:04:421:38:067:295:07
7:30
#11506
25K
15.53 mi12:23:521:57:167:3319:10
7:54
#11749
30K
18.64 mi12:49:342:22:587:4025:42
8:16
#11998
20M
20.00 mi13:01:302:34:547:4511:56
8:47
#12283
21M
21.00 mi13:11:132:44:377:509:43
9:43
#12616
35K
21.75 mi13:17:292:50:537:516:16
8:23
#12689
23M
23.00 mi13:28:513:02:157:5511:22
9:05
#12957
24M
24.00 mi13:38:103:11:347:599:19
9:19
#13262
40K
24.85 mi13:46:173:19:418:028:07
9:30
#13516
25.2M
25.20 mi13:49:513:23:158:043:34
10:21
#13628
Finish
26.22 mi13:58:033:31:278:048:12
8:03
#13610
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13396354635468920(Top 31%)1396(Top 11%)1396(Top 26%)
10K6.21 mi3.10 mi12846+5503258+2883258+28812360(Top 44%)3012(Top 25%)3012(Top 55%)
15K9.32 mi3.11 mi11490+13562580+6782580+6788920(Top 31%)1396(Top 11%)1396(Top 26%)
20K12.43 mi3.11 mi11493-32608-282608-2811600(Top 41%)2791(Top 23%)2791(Top 51%)
Half13.11 mi0.68 mi11506-132616-82616-811808(Top 42%)2847(Top 23%)2847(Top 52%)
25K15.53 mi2.42 mi11749-2432784-1682784-16813154(Top 46%)3756(Top 31%)3756(Top 69%)
30K18.64 mi3.11 mi11998-2492995-2112995-21113323(Top 47%)4014(Top 33%)4014(Top 73%)
20M20.00 mi1.36 mi12283-2853190-1953190-19515560(Top 55%)5329(Top 44%)5329(Top 97%)
21M21.00 mi1.00 mi12616-3333397-2073397-20717112(Top 60%)6310(Top 52%)6310(Top 115%)
35K21.75 mi0.75 mi12689-733468-713468-7114735(Top 52%)5084(Top 42%)5084(Top 93%)
23M23.00 mi1.25 mi12957-2683640-1723640-17216702(Top 59%)6269(Top 51%)6269(Top 115%)
24M24.00 mi1.00 mi13262-3053844-2043844-20418885(Top 66%)7485(Top 61%)7485(Top 137%)
40K24.85 mi0.85 mi13516-2544008-1644008-16418693(Top 66%)7469(Top 61%)7469(Top 137%)
25.2M25.20 mi0.35 mi13628-1124088-804088-8018456(Top 65%)7345(Top 60%)7345(Top 134%)
Finish26.22 mi1.02 mi13610+184105-174105-1713216(Top 47%)4556(Top 37%)4556(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8920

Females

1396

F18-39

1396

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12360

Females

3012

F18-39

3012

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8920

Females

1396

F18-39

1396

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11600

Females

2791

F18-39

2791

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11808

Females

2847

F18-39

2847

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13154

Females

3756

F18-39

3756

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13323

Females

4014

F18-39

4014

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15560

Females

5329

F18-39

5329

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17112

Females

6310

F18-39

6310

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14735

Females

5084

F18-39

5084

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16702

Females

6269

F18-39

6269

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18885

Females

7485

F18-39

7485

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18693

Females

7469

F18-39

7469

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18456

Females

7345

F18-39

7345

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13216

Females

4556

F18-39

4556

Passing Analysis

Category:
Athletes Passed
2814
Passed By
3028
Net Change
-214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13396
5K → 10K63989+550#13396#12846
10K → 15K13571+1356#12846#11490
15K → 20K190193-3#11490#11493
20K → Half2740-13#11493#11506
Half → 25K93336-243#11506#11749
25K → 30K173422-249#11749#11998
30K → 20M57342-285#11998#12283
20M → 21M34367-333#12283#12616
21M → 35K49122-73#12616#12689
35K → 23M52320-268#12689#12957
23M → 24M23328-305#12957#13262
24M → 40K28282-254#13262#13516
40K → 25.2M16128-112#13516#13628
25.2M → Finish7658+18#13628#13610
TOTALS28143028-214
📊

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