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BOSTON MARATHON 2025

Shayna Cousineau

Bib: 8017•F

RI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:45
Rank: #7836
Start → 5K
21:45 | 7:00/mi
10K· 6.21 mi
43:52
Rank: #8346 (-510)
5K → 10K
22:07 | 7:07/mi
15K· 9.32 mi
1:05:46
Rank: #8171 (+175)
10K → 15K
21:54 | 7:03/mi
20K· 12.43 mi
1:27:37
Rank: #7832 (+339)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:32:19
Rank: #7769 (+63)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:49:12
Rank: #7450 (+319)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:11:12
Rank: #6912 (+538)
25K → 30K
22:00 | 7:05/mi
20M
2:21:04
Rank: #6729 (+183)
30K → 20M
9:52 | 7:16/mi
21M
2:28:43
Rank: #6585 (+144)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:34:01
Rank: #6521 (+64)
21M → 35K
5:18 | 7:05/mi
23M
2:43:05
Rank: #6356 (+165)
35K → 23M
9:04 | 7:14/mi
24M
2:50:10
Rank: #6257 (+99)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
2:56:17
Rank: #6148 (+109)
24M → 40K
6:07 | 7:09/mi
25.2M
2:58:58
Rank: #6088 (+60)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:06:14
Rank: #6048 (+40)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:2821:457:0021:45
7:00
-
10K
6.21 mi10:52:3543:527:0422:07
7:07
+0:07
15K
9.32 mi11:14:291:05:467:0321:54
7:03
-0:04
20K
12.43 mi11:36:201:27:377:0321:51
7:02
-0:01
Half
13.11 mi11:41:021:32:197:034:42
6:53
-0:09
25K
15.53 mi11:57:551:49:127:0216:53
6:58
+0:05
30K
18.64 mi12:19:552:11:127:0222:00
7:05
+0:07
20M
20.00 mi12:29:472:21:047:039:52
7:16
+0:11
21M
21.00 mi12:37:262:28:437:057:39
7:39
+0:23
35K
21.75 mi12:42:442:34:017:055:18
7:05
-0:34
23M
23.00 mi12:51:482:43:057:059:04
7:14
+0:09
24M
24.00 mi12:58:532:50:107:057:05
7:05
-0:09
40K
24.85 mi13:05:002:56:177:066:07
7:09
+0:04
25.2M
25.20 mi13:07:412:58:587:062:41
7:47
+0:38
Finish
26.22 mi13:14:573:06:147:067:16
7:08
-0:39

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

6:53 /mi

Average Pace

7:06 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:54

94% of race

Time at Steady Pace

10:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:30:2821:457:0021:45
7:00
#7836
10K
6.21 mi10:52:3543:527:0422:07
7:07
#8346
15K
9.32 mi11:14:291:05:467:0321:54
7:03
#8171
20K
12.43 mi11:36:201:27:377:0321:51
7:02
#7832
Half
13.11 mi11:41:021:32:197:034:42
6:53
#7769
25K
15.53 mi11:57:551:49:127:0216:53
6:58
#7450
30K
18.64 mi12:19:552:11:127:0222:00
7:05
#6912
20M
20.00 mi12:29:472:21:047:039:52
7:16
#6729
21M
21.00 mi12:37:262:28:437:057:39
7:39
#6585
35K
21.75 mi12:42:442:34:017:055:18
7:05
#6521
23M
23.00 mi12:51:482:43:057:059:04
7:14
#6356
24M
24.00 mi12:58:532:50:107:057:05
7:05
#6257
40K
24.85 mi13:05:002:56:177:066:07
7:09
#6148
25.2M
25.20 mi13:07:412:58:587:062:41
7:47
#6088
Finish
26.22 mi13:14:573:06:147:067:16
7:08
#6048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78369249247956(Top 28%)1016(Top 8%)1016(Top 19%)
10K6.21 mi3.10 mi8346-5101121-1971121-1978838(Top 31%)1311(Top 11%)1311(Top 24%)
15K9.32 mi3.11 mi8171+1751070+511070+517956(Top 28%)1016(Top 8%)1016(Top 19%)
20K12.43 mi3.11 mi7832+339965+105965+1057092(Top 25%)800(Top 7%)800(Top 15%)
Half13.11 mi0.68 mi7769+63941+24941+246880(Top 24%)738(Top 6%)738(Top 13%)
25K15.53 mi2.42 mi7450+319853+88853+886086(Top 21%)609(Top 5%)609(Top 11%)
30K18.64 mi3.11 mi6912+538755+98755+985224(Top 18%)496(Top 4%)496(Top 9%)
20M20.00 mi1.36 mi6729+183733+22733+225576(Top 20%)668(Top 5%)668(Top 12%)
21M21.00 mi1.00 mi6585+144721+12721+125417(Top 19%)727(Top 6%)727(Top 13%)
35K21.75 mi0.75 mi6521+64716+5716+55927(Top 21%)895(Top 7%)895(Top 16%)
23M23.00 mi1.25 mi6356+165698+18698+185151(Top 18%)715(Top 6%)715(Top 13%)
24M24.00 mi1.00 mi6257+99689+9689+95149(Top 18%)777(Top 6%)777(Top 14%)
40K24.85 mi0.85 mi6148+109678+11678+114828(Top 17%)724(Top 6%)724(Top 13%)
25.2M25.20 mi0.35 mi6088+60671+7671+74844(Top 17%)811(Top 7%)811(Top 15%)
Finish26.22 mi1.02 mi6048+40682-11682-116590(Top 23%)1476(Top 12%)1476(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7956

Females

1016

F18-39

1016

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8838

Females

1311

F18-39

1311

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7956

Females

1016

F18-39

1016

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7092

Females

800

F18-39

800

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6880

Females

738

F18-39

738

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6086

Females

609

F18-39

609

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5224

Females

496

F18-39

496

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5576

Females

668

F18-39

668

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5417

Females

727

F18-39

727

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5927

Females

895

F18-39

895

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5151

Females

715

F18-39

715

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5149

Females

777

F18-39

777

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4828

Females

724

F18-39

724

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4844

Females

811

F18-39

811

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6590

Females

1476

F18-39

1476

Passing Analysis

Category:
Athletes Passed
2573
Passed By
785
Net Change
+1788
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7836
5K → 10K60570-510#7836#8346
10K → 15K24166+175#8346#8171
15K → 20K35617+339#8171#7832
20K → Half696+63#7832#7769
Half → 25K3245+319#7769#7450
25K → 30K5424+538#7450#6912
30K → 20M19310+183#6912#6729
20M → 21M15713+144#6729#6585
21M → 35K8016+64#6585#6521
35K → 23M17712+165#6521#6356
23M → 24M10910+99#6356#6257
24M → 40K12415+109#6257#6148
40K → 25.2M611+60#6148#6088
25.2M → Finish8040+40#6088#6048
TOTALS2573785+1788
📊

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