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BOSTON MARATHON 2025

Lauren Walsh

Bib: 28416•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:27
Rank: #25875
Start → 5K
31:27 | 10:07/mi
10K· 6.21 mi
1:01:59
Rank: #25369 (+506)
5K → 10K
30:32 | 9:50/mi
15K· 9.32 mi
1:34:27
Rank: #25592 (-223)
10K → 15K
32:28 | 10:27/mi
20K· 12.43 mi
2:06:28
Rank: #25385 (+207)
15K → 20K
32:01 | 10:18/mi
Half· 13.11 mi
2:13:32
Rank: #25383 (+2)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:40:47
Rank: #25422 (-39)
Half → 25K
27:15 | 11:14/mi
30K· 18.64 mi
3:19:09
Rank: #25562 (-140)
25K → 30K
38:22 | 12:21/mi
20M
3:38:45
Rank: #25801 (-239)
30K → 20M
19:36 | 14:25/mi
21M
3:54:08
Rank: #25962 (-161)
20M → 21M
15:23 | 15:23/mi
35K· 21.75 mi
4:02:26
Rank: #25913 (+49)
21M → 35K
8:18 | 11:06/mi
23M
4:17:31
Rank: #25895 (+18)
35K → 23M
15:05 | 12:03/mi
24M
4:28:41
Rank: #25846 (+49)
23M → 24M
11:10 | 11:10/mi
40K· 24.85 mi
4:39:17
Rank: #25858 (-12)
24M → 40K
10:36 | 12:24/mi
25.2M
4:43:29
Rank: #25832 (+26)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:55:10
Rank: #25855 (-23)
25.2M → Finish
11:41 | 11:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:32
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:41:38
Pace12:20 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1631:2710:0731:27
10:07
-
10K
6.21 mi12:19:481:01:599:5930:32
9:50
-0:17
15K
9.32 mi12:52:161:34:2710:0832:28
10:27
+0:37
20K
12.43 mi13:24:172:06:2810:1132:01
10:18
-0:09
Half
13.11 mi13:31:212:13:3210:117:04
10:21
+0:03
25K
15.53 mi13:58:362:40:4710:2127:15
11:14
+0:53
30K
18.64 mi14:36:583:19:0910:4138:22
12:21
+1:07
20M
20.00 mi14:56:343:38:4510:5619:36
14:25
+2:04
21M
21.00 mi15:11:573:54:0811:0915:23
15:23
+0:58
35K
21.75 mi15:20:154:02:2611:098:18
11:06
-4:17
23M
23.00 mi15:35:204:17:3111:1215:05
12:03
+0:57
24M
24.00 mi15:46:304:28:4111:1211:10
11:10
-0:53
40K
24.85 mi15:57:064:39:1711:1410:36
12:24
+1:14
25.2M
25.20 mi16:01:184:43:2911:154:12
12:11
-0:13
Finish
26.22 mi16:12:594:55:1011:1611:41
11:28
-0:43

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

9:50 /mi

Average Pace

11:16 /mi

Slowest Pace

15:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:32

45% of race

Time at Steady Pace

58:24

20% of race

Time at Slower Pace

1:43:14

35% of race

Average Pace: 11:15 /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 mi11:49:1631:2710:0731:27
10:07
#25875
10K
6.21 mi12:19:481:01:599:5930:32
9:50
#25369
15K
9.32 mi12:52:161:34:2710:0832:28
10:27
#25592
20K
12.43 mi13:24:172:06:2810:1132:01
10:18
#25385
Half
13.11 mi13:31:212:13:3210:117:04
10:21
#25383
25K
15.53 mi13:58:362:40:4710:2127:15
11:14
#25422
30K
18.64 mi14:36:583:19:0910:4138:22
12:21
#25562
20M
20.00 mi14:56:343:38:4510:5619:36
14:25
#25801
21M
21.00 mi15:11:573:54:0811:0915:23
15:23
#25962
35K
21.75 mi15:20:154:02:2611:098:18
11:06
#25913
23M
23.00 mi15:35:204:17:3111:1215:05
12:03
#25895
24M
24.00 mi15:46:304:28:4111:1211:10
11:10
#25846
40K
24.85 mi15:57:064:39:1711:1410:36
12:24
#25858
25.2M
25.20 mi16:01:184:43:2911:154:12
12:11
#25832
Finish
26.22 mi16:12:594:55:1011:1611:41
11:28
#25855
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25875106921069225839(Top 91%)10698(Top 87%)10698(Top 821%)
10K6.21 mi3.10 mi25369+50610435+25710435+25724922(Top 88%)10192(Top 83%)10192(Top 782%)
15K9.32 mi3.11 mi25592-22310552-11710552-11725839(Top 91%)10698(Top 87%)10698(Top 821%)
20K12.43 mi3.11 mi25385+20710452+10010452+10024832(Top 87%)10172(Top 83%)10172(Top 781%)
Half13.11 mi0.68 mi25383+210447+510447+525531(Top 90%)10567(Top 86%)10567(Top 811%)
25K15.53 mi2.42 mi25422-3910483-3610483-3625532(Top 90%)10590(Top 87%)10590(Top 813%)
30K18.64 mi3.11 mi25562-14010599-11610599-11625996(Top 92%)10938(Top 89%)10938(Top 839%)
20M20.00 mi1.36 mi25801-23910735-13610735-13627592(Top 97%)11865(Top 97%)11865(Top 911%)
21M21.00 mi1.00 mi25962-16110825-9010825-9027434(Top 97%)11789(Top 96%)11789(Top 905%)
35K21.75 mi0.75 mi25913+4910802+2310802+2324395(Top 86%)10279(Top 84%)10279(Top 789%)
23M23.00 mi1.25 mi25895+1810803-110803-125179(Top 89%)10695(Top 87%)10695(Top 821%)
24M24.00 mi1.00 mi25846+4910795+810795+824306(Top 86%)10279(Top 84%)10279(Top 789%)
40K24.85 mi0.85 mi25858-1210806-1110806-1125505(Top 90%)10914(Top 89%)10914(Top 838%)
25.2M25.20 mi0.35 mi25832+2610803+310803+323543(Top 83%)9946(Top 81%)9946(Top 763%)
Finish26.22 mi1.02 mi25855-2310822-1910822-1926072(Top 92%)11181(Top 91%)11181(Top 858%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25839

Females

10698

F50-54

10698

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24922

Females

10192

F50-54

10192

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25839

Females

10698

F50-54

10698

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24832

Females

10172

F50-54

10172

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25531

Females

10567

F50-54

10567

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25532

Females

10590

F50-54

10590

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

25996

Females

10938

F50-54

10938

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27592

Females

11865

F50-54

11865

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27434

Females

11789

F50-54

11789

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24395

Females

10279

F50-54

10279

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25179

Females

10695

F50-54

10695

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24306

Females

10279

F50-54

10279

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25505

Females

10914

F50-54

10914

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23543

Females

9946

F50-54

9946

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

26072

Females

11181

F50-54

11181

Passing Analysis

Category:
Athletes Passed
1266
Passed By
1246
Net Change
+20
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25875
5K → 10K53933+506#25875#25369
10K → 15K62285-223#25369#25592
15K → 20K23427+207#25592#25385
20K → Half2422+2#25385#25383
Half → 25K85124-39#25383#25422
25K → 30K68208-140#25422#25562
30K → 20M16255-239#25562#25801
20M → 21M10171-161#25801#25962
21M → 35K578+49#25962#25913
35K → 23M4729+18#25913#25895
23M → 24M6112+49#25895#25846
24M → 40K1628-12#25846#25858
40K → 25.2M304+26#25858#25832
25.2M → Finish1740-23#25832#25855
TOTALS12661246+20
📊

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