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BOSTON MARATHON 2025

Laura Cochran

Bib: 12498•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F40-44)
#0 / 1718
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #5147
Start → 5K
6:40/mi
20:42 split
10K· 6.21 mi
41:50
Rank: #5702 (-555)
5K → 10K
6:48/mi
21:08 split
15K· 9.32 mi
1:04:14
Rank: #7006 (-1304)
10K → 15K
7:13/mi
22:24 split
20K· 12.43 mi
1:26:44
Rank: #7362 (-356)
15K → 20K
7:15/mi
22:30 split
Half· 13.11 mi
1:31:29
Rank: #7342 (+20)
20K → Half
6:58/mi
4:45 split
25K· 15.53 mi
1:48:52
Rank: #7319 (+23)
Half → 25K
7:10/mi
17:23 split
30K· 18.64 mi
2:11:43
Rank: #7127 (+192)
25K → 30K
7:21/mi
22:51 split
20M
2:21:40
Rank: #6947 (+180)
30K → 20M
7:19/mi
9:57 split
21M
2:29:46
Rank: #6925 (+22)
20M → 21M
8:06/mi
8:06 split
35K· 21.75 mi
2:35:02
Rank: #6824 (+101)
21M → 35K
7:02/mi
5:16 split
23M
2:44:15
Rank: #6676 (+148)
35K → 23M
7:22/mi
9:13 split
24M
2:51:41
Rank: #6648 (+28)
23M → 24M
7:26/mi
7:26 split
40K· 24.85 mi
2:58:02
Rank: #6587 (+61)
24M → 40K
7:26/mi
6:21 split
25.2M
3:00:40
Rank: #6512 (+75)
40K → 25.2M
7:39/mi
2:38 split
Finish· 26.22 mi
3:08:28
Rank: #6615 (-103)
25.2M → Finish
7:39/mi
7:48 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:29
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4020:426:4020:42
6:40
-
10K
6.21 mi11:09:4841:506:4421:08
6:48
+0:08
15K
9.32 mi11:32:121:04:146:5322:24
7:13
+0:25
20K
12.43 mi11:54:421:26:446:5922:30
7:15
+0:02
Half
13.11 mi11:59:271:31:296:594:45
6:58
-0:17
25K
15.53 mi12:16:501:48:527:0017:23
7:10
+0:12
30K
18.64 mi12:39:412:11:437:0422:51
7:21
+0:11
20M
20.00 mi12:49:382:21:407:059:57
7:19
-0:02
21M
21.00 mi12:57:442:29:467:088:06
8:06
+0:47
35K
21.75 mi13:03:002:35:027:085:16
7:02
-1:04
23M
23.00 mi13:12:132:44:157:089:13
7:22
+0:20
24M
24.00 mi13:19:392:51:417:097:26
7:26
+0:04
40K
24.85 mi13:26:002:58:027:106:21
7:26
0:00
25.2M
25.20 mi13:28:383:00:407:102:38
7:39
+0:13
Finish
26.22 mi13:36:263:08:287:127:48
7:39
0:00

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

6:40 /mi

Average Pace

7:12 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:51

28% of race

Time at Steady Pace

1:58:05

63% of race

Time at Slower Pace

18:32

10% of race

Average Pace: 7:11 /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 mi10:48:4020:426:4020:42
6:40
#5147
10K
6.21 mi11:09:4841:506:4421:08
6:48
#5702
15K
9.32 mi11:32:121:04:146:5322:24
7:13
#7006
20K
12.43 mi11:54:421:26:446:5922:30
7:15
#7362
Half
13.11 mi11:59:271:31:296:594:45
6:58
#7342
25K
15.53 mi12:16:501:48:527:0017:23
7:10
#7319
30K
18.64 mi12:39:412:11:437:0422:51
7:21
#7127
20M
20.00 mi12:49:382:21:407:059:57
7:19
#6947
21M
21.00 mi12:57:442:29:467:088:06
8:06
#6925
35K
21.75 mi13:03:002:35:027:085:16
7:02
#6824
23M
23.00 mi13:12:132:44:157:089:13
7:22
#6676
24M
24.00 mi13:19:392:51:417:097:26
7:26
#6648
40K
24.85 mi13:26:002:58:027:106:21
7:26
#6587
25.2M
25.20 mi13:28:383:00:407:102:38
7:39
#6512
Finish
26.22 mi13:36:263:08:287:127:48
7:39
#6615
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi51473413419222(Top 32%)1521(Top 12%)1521(Top 89%)
10K6.21 mi3.10 mi5702-555427-86427-866436(Top 23%)594(Top 5%)594(Top 35%)
15K9.32 mi3.11 mi7006-1304702-275702-2759222(Top 32%)1521(Top 12%)1521(Top 89%)
20K12.43 mi3.11 mi7362-356815-113815-1138558(Top 30%)1330(Top 11%)1330(Top 77%)
Half13.11 mi0.68 mi7342+20809+6809+67367(Top 26%)865(Top 7%)865(Top 50%)
25K15.53 mi2.42 mi7319+23820-11820-117404(Top 26%)1000(Top 8%)1000(Top 58%)
30K18.64 mi3.11 mi7127+192809+11809+116786(Top 24%)928(Top 8%)928(Top 54%)
20M20.00 mi1.36 mi6947+180791+18791+185954(Top 21%)774(Top 6%)774(Top 45%)
21M21.00 mi1.00 mi6925+22803-12803-127970(Top 28%)1709(Top 14%)1709(Top 99%)
35K21.75 mi0.75 mi6824+101794+9794+95680(Top 20%)815(Top 7%)815(Top 47%)
23M23.00 mi1.25 mi6676+148791+3791+35833(Top 21%)947(Top 8%)947(Top 55%)
24M24.00 mi1.00 mi6648+28812-21812-217268(Top 26%)1557(Top 13%)1557(Top 91%)
40K24.85 mi0.85 mi6587+61817-5817-56385(Top 22%)1284(Top 11%)1284(Top 75%)
25.2M25.20 mi0.35 mi6512+75800+17800+174147(Top 15%)625(Top 5%)625(Top 36%)
Finish26.22 mi1.02 mi6615-103866-66866-6610278(Top 36%)3138(Top 26%)3138(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9222

Females

1521

F40-44

1521

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6436

Females

594

F40-44

594

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9222

Females

1521

F40-44

1521

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8558

Females

1330

F40-44

1330

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7367

Females

865

F40-44

865

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7404

Females

1000

F40-44

1000

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6786

Females

928

F40-44

928

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5954

Females

774

F40-44

774

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7970

Females

1709

F40-44

1709

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5680

Females

815

F40-44

815

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5833

Females

947

F40-44

947

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7268

Females

1557

F40-44

1557

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6385

Females

1284

F40-44

1284

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4147

Females

625

F40-44

625

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10278

Females

3138

F40-44

3138

Passing Analysis

Category:
Athletes Passed
1405
Passed By
2873
Net Change
-1468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5147
5K → 10K41596-555#5147#5702
10K → 15K111315-1304#5702#7006
15K → 20K48404-356#7006#7362
20K → Half3616+20#7362#7342
Half → 25K11996+23#7342#7319
25K → 30K27381+192#7319#7127
30K → 20M19818+180#7127#6947
20M → 21M10381+22#6947#6925
21M → 35K11312+101#6925#6824
35K → 23M17729+148#6824#6676
23M → 24M8153+28#6676#6648
24M → 40K8524+61#6648#6587
40K → 25.2M761+75#6587#6512
25.2M → Finish44147-103#6512#6615
TOTALS14052873-1468
📊

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