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BOSTON MARATHON 2025

Mary Walsh

Bib: 26223•F

MA

0:00
0:00
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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
32:12
Rank: #26438
Start → 5K
10:22/mi
32:12 split
10K· 6.21 mi
1:03:34
Rank: #25965 (+473)
5K → 10K
10:06/mi
31:22 split
15K· 9.32 mi
1:35:41
Rank: #25852 (+113)
10K → 15K
10:20/mi
32:07 split
20K· 12.43 mi
2:10:12
Rank: #25930 (-78)
15K → 20K
11:07/mi
34:31 split
Half· 13.11 mi
2:17:19
Rank: #25918 (+12)
20K → Half
10:26/mi
7:07 split
25K· 15.53 mi
2:48:11
Rank: #26233 (-315)
Half → 25K
12:44/mi
30:52 split
30K· 18.64 mi
3:25:48
Rank: #26145 (+88)
25K → 30K
12:06/mi
37:37 split
20M
3:43:44
Rank: #26192 (-47)
30K → 20M
13:12/mi
17:56 split
21M
3:57:54
Rank: #26239 (-47)
20M → 21M
14:10/mi
14:10 split
35K· 21.75 mi
4:07:59
Rank: #26307 (-68)
21M → 35K
13:29/mi
10:05 split
23M
4:23:38
Rank: #26281 (+26)
35K → 23M
12:30/mi
15:39 split
24M
4:37:09
Rank: #26356 (-75)
23M → 24M
13:31/mi
13:31 split
40K· 24.85 mi
4:48:04
Rank: #26346 (+10)
24M → 40K
12:46/mi
10:55 split
25.2M
4:53:05
Rank: #26364 (-18)
40K → 25.2M
14:33/mi
5:01 split
Finish· 26.22 mi
5:05:02
Rank: #26380 (-16)
25.2M → Finish
11:44/mi
11:57 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:19
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:47:43
Pace12:48 /mi
📊Positive Split: 22.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5332:1210:2232:12
10:22
-
10K
6.21 mi12:20:151:03:3410:1431:22
10:06
-0:16
15K
9.32 mi12:52:221:35:4110:1632:07
10:20
+0:14
20K
12.43 mi13:26:532:10:1210:2934:31
11:07
+0:47
Half
13.11 mi13:34:002:17:1910:287:07
10:26
-0:41
25K
15.53 mi14:04:522:48:1110:5030:52
12:44
+2:18
30K
18.64 mi14:42:293:25:4811:0237:37
12:06
-0:38
20M
20.00 mi15:00:253:43:4411:1117:56
13:12
+1:06
21M
21.00 mi15:14:353:57:5411:2014:10
14:10
+0:58
35K
21.75 mi15:24:404:07:5911:2410:05
13:29
-0:41
23M
23.00 mi15:40:194:23:3811:2815:39
12:30
-0:59
24M
24.00 mi15:53:504:37:0911:3313:31
13:31
+1:01
40K
24.85 mi16:04:454:48:0411:3510:55
12:46
-0:45
25.2M
25.20 mi16:09:464:53:0511:385:01
14:33
+1:47
Finish
26.22 mi16:21:435:05:0211:3911:57
11:44
-2:49

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

10:06 /mi

Average Pace

11:39 /mi

Slowest Pace

14:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:16

49% of race

Time at Steady Pace

1:52:59

37% of race

Time at Slower Pace

42:47

14% of race

Average Pace: 11:38 /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 mi11:48:5332:1210:2232:12
10:22
#26438
10K
6.21 mi12:20:151:03:3410:1431:22
10:06
#25965
15K
9.32 mi12:52:221:35:4110:1632:07
10:20
#25852
20K
12.43 mi13:26:532:10:1210:2934:31
11:07
#25930
Half
13.11 mi13:34:002:17:1910:287:07
10:26
#25918
25K
15.53 mi14:04:522:48:1110:5030:52
12:44
#26233
30K
18.64 mi14:42:293:25:4811:0237:37
12:06
#26145
20M
20.00 mi15:00:253:43:4411:1117:56
13:12
#26192
21M
21.00 mi15:14:353:57:5411:2014:10
14:10
#26239
35K
21.75 mi15:24:404:07:5911:2410:05
13:29
#26307
23M
23.00 mi15:40:194:23:3811:2815:39
12:30
#26281
24M
24.00 mi15:53:504:37:0911:3313:31
13:31
#26356
40K
24.85 mi16:04:454:48:0411:3510:55
12:46
#26346
25.2M
25.20 mi16:09:464:53:0511:385:01
14:33
#26364
Finish
26.22 mi16:21:435:05:0211:3911:57
11:44
#26380
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26438109951099525657(Top 90%)10593(Top 87%)10593(Top 194%)
10K6.21 mi3.10 mi25965+47310753+24210753+24225518(Top 90%)10535(Top 86%)10535(Top 193%)
15K9.32 mi3.11 mi25852+11310698+5510698+5525657(Top 90%)10593(Top 87%)10593(Top 194%)
20K12.43 mi3.11 mi25930-7810750-5210750-5226162(Top 92%)10893(Top 89%)10893(Top 199%)
Half13.11 mi0.68 mi25918+1210745+510745+525672(Top 90%)10653(Top 87%)10653(Top 195%)
25K15.53 mi2.42 mi26233-31510910-16510910-16527099(Top 95%)11490(Top 94%)11490(Top 210%)
30K18.64 mi3.11 mi26145+8810902+810902+825721(Top 91%)10800(Top 88%)10800(Top 197%)
20M20.00 mi1.36 mi26192-4710941-3910941-3926627(Top 94%)11350(Top 93%)11350(Top 208%)
21M21.00 mi1.00 mi26239-4710982-4110982-4126391(Top 93%)11255(Top 92%)11255(Top 206%)
35K21.75 mi0.75 mi26307-6811036-5411036-5427345(Top 96%)11766(Top 96%)11766(Top 215%)
23M23.00 mi1.25 mi26281+2611028+811028+825800(Top 91%)10997(Top 90%)10997(Top 201%)
24M24.00 mi1.00 mi26356-7511074-4611074-4627324(Top 96%)11811(Top 97%)11811(Top 216%)
40K24.85 mi0.85 mi26346+1011077-311077-326010(Top 92%)11150(Top 91%)11150(Top 204%)
25.2M25.20 mi0.35 mi26364-1811092-1511092-1526758(Top 94%)11545(Top 94%)11545(Top 211%)
Finish26.22 mi1.02 mi26380-1611103-1111103-1126442(Top 93%)11358(Top 93%)11358(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25657

Females

10593

F18-39

10593

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25518

Females

10535

F18-39

10535

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25657

Females

10593

F18-39

10593

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26162

Females

10893

F18-39

10893

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25672

Females

10653

F18-39

10653

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27099

Females

11490

F18-39

11490

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25721

Females

10800

F18-39

10800

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

26627

Females

11350

F18-39

11350

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26391

Females

11255

F18-39

11255

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27345

Females

11766

F18-39

11766

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25800

Females

10997

F18-39

10997

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27324

Females

11811

F18-39

11811

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26010

Females

11150

F18-39

11150

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26758

Females

11545

F18-39

11545

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26442

Females

11358

F18-39

11358

Passing Analysis

Category:
Athletes Passed
1140
Passed By
1082
Net Change
+58
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26438
5K → 10K50128+473#26438#25965
10K → 15K17663+113#25965#25852
15K → 20K98176-78#25852#25930
20K → Half2412+12#25930#25918
Half → 25K12327-315#25918#26233
25K → 30K15062+88#26233#26145
30K → 20M3279-47#26145#26192
20M → 21M2976-47#26192#26239
21M → 35K876-68#26239#26307
35K → 23M4721+26#26307#26281
23M → 24M984-75#26281#26356
24M → 40K3828+10#26356#26346
40K → 25.2M220-18#26346#26364
25.2M → Finish1430-16#26364#26380
TOTALS11401082+58
📊

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