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BOSTON MARATHON 2025

Laura Coughlin

Bib: 29009•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
29:30
Rank: #24235
Start → 5K
29:30 | 9:30/mi
10K· 6.21 mi
57:38
Rank: #23464 (+771)
5K → 10K
28:08 | 9:03/mi
15K· 9.32 mi
1:25:51
Rank: #23153 (+311)
10K → 15K
28:13 | 9:05/mi
20K· 12.43 mi
1:54:18
Rank: #22780 (+373)
15K → 20K
28:27 | 9:09/mi
Half· 13.11 mi
2:00:26
Rank: #22720 (+60)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:23:34
Rank: #22586 (+134)
Half → 25K
23:08 | 9:32/mi
30K· 18.64 mi
2:55:19
Rank: #22508 (+78)
25K → 30K
31:45 | 10:13/mi
20M
3:08:28
Rank: #22323 (+185)
30K → 20M
13:09 | 9:41/mi
21M
3:19:15
Rank: #22204 (+119)
20M → 21M
10:47 | 10:47/mi
35K· 21.75 mi
3:26:53
Rank: #22222 (-18)
21M → 35K
7:38 | 10:12/mi
23M
3:39:47
Rank: #22161 (+61)
35K → 23M
12:54 | 10:18/mi
24M
3:49:44
Rank: #22099 (+62)
23M → 24M
9:57 | 9:57/mi
40K· 24.85 mi
3:57:48
Rank: #21955 (+144)
24M → 40K
8:04 | 9:26/mi
25.2M
4:01:19
Rank: #21896 (+59)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
4:09:50
Rank: #21715 (+181)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:26
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:09:24
Pace9:52 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5529:309:3029:30
9:30
-
10K
6.21 mi12:17:0357:389:1728:08
9:03
-0:27
15K
9.32 mi12:45:161:25:519:1328:13
9:05
+0:02
20K
12.43 mi13:13:431:54:189:1228:27
9:09
+0:04
Half
13.11 mi13:19:512:00:269:116:08
8:59
-0:10
25K
15.53 mi13:42:592:23:349:1523:08
9:32
+0:33
30K
18.64 mi14:14:442:55:199:2431:45
10:13
+0:41
20M
20.00 mi14:27:533:08:289:2513:09
9:41
-0:32
21M
21.00 mi14:38:403:19:159:2910:47
10:47
+1:06
35K
21.75 mi14:46:183:26:539:317:38
10:12
-0:35
23M
23.00 mi14:59:123:39:479:3312:54
10:18
+0:06
24M
24.00 mi15:09:093:49:449:349:57
9:57
-0:21
40K
24.85 mi15:17:133:57:489:348:04
9:26
-0:31
25.2M
25.20 mi15:20:444:01:199:353:31
10:12
+0:46
Finish
26.22 mi15:29:154:09:509:328:31
8:21
-1:51

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

8:21 /mi

Average Pace

9:32 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:27

40% of race

Time at Steady Pace

1:13:51

30% of race

Time at Slower Pace

1:16:32

31% of race

Average Pace: 9:32 /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 mi11:48:5529:309:3029:30
9:30
#24235
10K
6.21 mi12:17:0357:389:1728:08
9:03
#23464
15K
9.32 mi12:45:161:25:519:1328:13
9:05
#23153
20K
12.43 mi13:13:431:54:189:1228:27
9:09
#22780
Half
13.11 mi13:19:512:00:269:116:08
8:59
#22720
25K
15.53 mi13:42:592:23:349:1523:08
9:32
#22586
30K
18.64 mi14:14:442:55:199:2431:45
10:13
#22508
20M
20.00 mi14:27:533:08:289:2513:09
9:41
#22323
21M
21.00 mi14:38:403:19:159:2910:47
10:47
#22204
35K
21.75 mi14:46:183:26:539:317:38
10:12
#22222
23M
23.00 mi14:59:123:39:479:3312:54
10:18
#22161
24M
24.00 mi15:09:093:49:449:349:57
9:57
#22099
40K
24.85 mi15:17:133:57:489:348:04
9:26
#21955
25.2M
25.20 mi15:20:444:01:199:353:31
10:12
#21896
Finish
26.22 mi15:29:154:09:509:328:31
8:21
#21715
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242359816981622389(Top 79%)8773(Top 72%)8773(Top 160%)
10K6.21 mi3.10 mi23464+7719400+4169400+41622627(Top 80%)8936(Top 73%)8936(Top 163%)
15K9.32 mi3.11 mi23153+3119218+1829218+18222389(Top 79%)8773(Top 72%)8773(Top 160%)
20K12.43 mi3.11 mi22780+3738997+2218997+22121725(Top 76%)8445(Top 69%)8445(Top 154%)
Half13.11 mi0.68 mi22720+608967+308967+3021825(Top 77%)8497(Top 69%)8497(Top 155%)
25K15.53 mi2.42 mi22586+1348917+508917+5022007(Top 77%)8653(Top 71%)8653(Top 158%)
30K18.64 mi3.11 mi22508+788916+18916+122234(Top 78%)8894(Top 73%)8894(Top 163%)
20M20.00 mi1.36 mi22323+1858829+878829+8719883(Top 70%)7721(Top 63%)7721(Top 141%)
21M21.00 mi1.00 mi22204+1198779+508779+5020805(Top 73%)8350(Top 68%)8350(Top 153%)
35K21.75 mi0.75 mi22222-188805-268805-2622449(Top 79%)9259(Top 76%)9259(Top 169%)
23M23.00 mi1.25 mi22161+618810-58810-521433(Top 75%)8778(Top 72%)8778(Top 161%)
24M24.00 mi1.00 mi22099+628790+208790+2021227(Top 75%)8720(Top 71%)8720(Top 159%)
40K24.85 mi0.85 mi21955+1448733+578733+5718470(Top 65%)7378(Top 60%)7378(Top 135%)
25.2M25.20 mi0.35 mi21896+598708+258708+2517970(Top 63%)7148(Top 58%)7148(Top 131%)
Finish26.22 mi1.02 mi21715+1818624+848624+8415339(Top 54%)5672(Top 46%)5672(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22389

Females

8773

F18-39

8773

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

22627

Females

8936

F18-39

8936

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22389

Females

8773

F18-39

8773

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21725

Females

8445

F18-39

8445

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21825

Females

8497

F18-39

8497

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

22007

Females

8653

F18-39

8653

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22234

Females

8894

F18-39

8894

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19883

Females

7721

F18-39

7721

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20805

Females

8350

F18-39

8350

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22449

Females

9259

F18-39

9259

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21433

Females

8778

F18-39

8778

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21227

Females

8720

F18-39

8720

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18470

Females

7378

F18-39

7378

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17970

Females

7148

F18-39

7148

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15339

Females

5672

F18-39

5672

Passing Analysis

Category:
Athletes Passed
3006
Passed By
486
Net Change
+2520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24235
5K → 10K80635+771#24235#23464
10K → 15K37160+311#23464#23153
15K → 20K39926+373#23153#22780
20K → Half666+60#22780#22720
Half → 25K20975+134#22720#22586
25K → 30K212134+78#22586#22508
30K → 20M1927+185#22508#22323
20M → 21M14223+119#22323#22204
21M → 35K3755-18#22204#22222
35K → 23M10645+61#22222#22161
23M → 24M7513+62#22161#22099
24M → 40K1462+144#22099#21955
40K → 25.2M634+59#21955#21896
25.2M → Finish1821+181#21896#21715
TOTALS3006486+2520
📊

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