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BOSTON MARATHON 2025

Laura Mclaughlin

Bib: 30038•F

NH

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:29/mi
32:35
↑ 97↓ 3451.5%
10K· 6.21 mi
10:29/mi
1:05:08
↑ 79↓ 1380.4%
15K· 9.32 mi
10:27/mi
1:37:37
↑ 67↓ 78
20K· 12.43 mi
11:01/mi
2:11:51
↑ 106↓ 860.1%
Half· 13.11 mi
10:08/mi
2:18:46
↑ 19↓ 370.5%
25K· 15.53 mi
10:50/mi
2:45:01
↑ 66↓ 880.2%
30K· 18.64 mi
12:25/mi
3:23:35
↑ 181↓ 1480.2%
20M
12:34/mi
3:40:40
↑ 64↓ 500.2%
21M
14:24/mi
3:55:04
↑ 106↓ 241.6%
35K· 21.75 mi
12:39/mi
4:04:32
↑ 17↓ 861.7%
23M
13:38/mi
4:21:36
↑ 23↓ 630.6%
24M
12:34/mi
4:34:10
↓ 821.3%
40K· 24.85 mi
12:45/mi
4:45:04
↓ 200.3%
25.2M
16:32/mi
4:50:46
↑ 13↓ 160.2%
Finish· 26.22 mi
11:47/mi
5:02:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:46
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:44:00
Pace12:31 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2332:3510:2932:35
10:29
-
10K
6.21 mi12:25:561:05:0810:2932:33
10:29
0:00
15K
9.32 mi12:58:251:37:3710:2832:29
10:27
-0:02
20K
12.43 mi13:32:392:11:5110:3734:14
11:01
+0:34
Half
13.11 mi13:39:342:18:4610:356:55
10:08
-0:53
25K
15.53 mi14:05:492:45:0110:3726:15
10:50
+0:42
30K
18.64 mi14:44:233:23:3510:5538:34
12:25
+1:35
20M
20.00 mi15:01:283:40:4011:0217:05
12:34
+0:09
21M
21.00 mi15:15:523:55:0411:1214:24
14:24
+1:50
35K
21.75 mi15:25:204:04:3211:159:28
12:39
-1:45
23M
23.00 mi15:42:244:21:3611:2217:04
13:38
+0:59
24M
24.00 mi15:54:584:34:1011:2512:34
12:34
-1:04
40K
24.85 mi16:05:524:45:0411:2810:54
12:45
+0:11
25.2M
25.20 mi16:11:344:50:4611:325:42
16:32
+3:47
Finish
26.22 mi16:23:345:02:4611:3312:00
11:47
-4:45

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

10:08 /mi

Average Pace

11:33 /mi

Slowest Pace

16:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:01

55% of race

Time at Steady Pace

1:40:35

33% of race

Time at Slower Pace

37:10

12% of race

Average Pace: 11:33 /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 mi11:53:2332:3510:2932:35
10:29
#26712
10K
6.21 mi12:25:561:05:0810:2932:33
10:29
#26456
15K
9.32 mi12:58:251:37:3710:2832:29
10:27
#26230
20K
12.43 mi13:32:392:11:5110:3734:14
11:01
#26178
Half
13.11 mi13:39:342:18:4610:356:55
10:08
#26113
25K
15.53 mi14:05:492:45:0110:3726:15
10:50
#25910
30K
18.64 mi14:44:233:23:3510:5538:34
12:25
#25938
20M
20.00 mi15:01:283:40:4011:0217:05
12:34
#25963
21M
21.00 mi15:15:523:55:0411:1214:24
14:24
#26026
35K
21.75 mi15:25:204:04:3211:159:28
12:39
#26058
23M
23.00 mi15:42:244:21:3611:2217:04
13:38
#26159
24M
24.00 mi15:54:584:34:1011:2512:34
12:34
#26175
40K
24.85 mi16:05:524:45:0411:2810:54
12:45
#26189
25.2M
25.20 mi16:11:344:50:4611:325:42
16:32
#26231
Finish
26.22 mi16:23:345:02:4611:3312:00
11:47
#26262
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26712111631116325845(Top 91%)10702(Top 88%)10702(Top 623%)
10K6.21 mi3.10 mi26456+25611027+13611027+13626224(Top 92%)10919(Top 89%)10919(Top 636%)
15K9.32 mi3.11 mi26230+22610904+12310904+12325845(Top 91%)10702(Top 88%)10702(Top 623%)
20K12.43 mi3.11 mi26178+5210875+2910875+2926031(Top 92%)10830(Top 89%)10830(Top 630%)
Half13.11 mi0.68 mi26113+6510847+2810847+2825105(Top 88%)10325(Top 84%)10325(Top 601%)
25K15.53 mi2.42 mi25910+20310746+10110746+10124949(Top 88%)10261(Top 84%)10261(Top 597%)
30K18.64 mi3.11 mi25938-2810792-4610792-4626079(Top 92%)10981(Top 90%)10981(Top 639%)
20M20.00 mi1.36 mi25963-2510815-2310815-2325973(Top 91%)11004(Top 90%)11004(Top 641%)
21M21.00 mi1.00 mi26026-6310862-4710862-4726610(Top 94%)11372(Top 93%)11372(Top 662%)
35K21.75 mi0.75 mi26058-3210891-2910891-2926611(Top 94%)11398(Top 93%)11398(Top 663%)
23M23.00 mi1.25 mi26159-10110956-6510956-6526991(Top 95%)11601(Top 95%)11601(Top 675%)
24M24.00 mi1.00 mi26175-1610977-2110977-2126378(Top 93%)11311(Top 93%)11311(Top 658%)
40K24.85 mi0.85 mi26189-1410993-1610993-1625987(Top 91%)11140(Top 91%)11140(Top 648%)
25.2M25.20 mi0.35 mi26231-4211017-2411017-2427918(Top 98%)12073(Top 99%)12073(Top 703%)
Finish26.22 mi1.02 mi26262-3111041-2411041-2426499(Top 93%)11388(Top 93%)11388(Top 663%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25845

Females

10702

F40-44

10702

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26224

Females

10919

F40-44

10919

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25845

Females

10702

F40-44

10702

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26031

Females

10830

F40-44

10830

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25105

Females

10325

F40-44

10325

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24949

Females

10261

F40-44

10261

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26079

Females

10981

F40-44

10981

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25973

Females

11004

F40-44

11004

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26610

Females

11372

F40-44

11372

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26611

Females

11398

F40-44

11398

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26991

Females

11601

F40-44

11601

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26378

Females

11311

F40-44

11311

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25987

Females

11140

F40-44

11140

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27918

Females

12073

F40-44

12073

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26499

Females

11388

F40-44

11388

Passing Analysis

Category:
Athletes Passed
1268
Passed By
818
Net Change
+450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26712
5K → 10K32973+256#26712#26456
10K → 15K25125+226#26456#26230
15K → 20K14896+52#26230#26178
20K → Half672+65#26178#26113
Half → 25K21714+203#26113#25910
25K → 30K96124-28#25910#25938
30K → 20M4469-25#25938#25963
20M → 21M2083-63#25963#26026
21M → 35K2456-32#26026#26058
35K → 23M14115-101#26058#26159
23M → 24M2137-16#26159#26175
24M → 40K1832-14#26175#26189
40K → 25.2M143-42#26189#26231
25.2M → Finish1849-31#26231#26262
TOTALS1268818+450
📊

Passing Visuals

Category:
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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