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BOSTON MARATHON 2025

Mary Shen

Bib: 25378•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #22620
Start → 5K
28:06 | 9:03/mi
10K· 6.21 mi
56:59
Rank: #23107 (-487)
5K → 10K
28:53 | 9:18/mi
15K· 9.32 mi
1:26:07
Rank: #23243 (-136)
10K → 15K
29:08 | 9:23/mi
20K· 12.43 mi
1:55:57
Rank: #23228 (+15)
15K → 20K
29:50 | 9:36/mi
Half· 13.11 mi
2:02:18
Rank: #23216 (+12)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:25:27
Rank: #22998 (+218)
Half → 25K
23:09 | 9:33/mi
30K· 18.64 mi
2:57:27
Rank: #22853 (+145)
25K → 30K
32:00 | 10:18/mi
20M
3:11:17
Rank: #22764 (+89)
30K → 20M
13:50 | 10:11/mi
21M
3:22:24
Rank: #22681 (+83)
20M → 21M
11:07 | 11:07/mi
35K· 21.75 mi
3:30:08
Rank: #22673 (+8)
21M → 35K
7:44 | 10:20/mi
23M
3:43:08
Rank: #22601 (+72)
35K → 23M
13:00 | 10:23/mi
24M
3:53:18
Rank: #22547 (+54)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
4:02:14
Rank: #22524 (+23)
24M → 40K
8:56 | 10:27/mi
25.2M
4:06:18
Rank: #22527 (-3)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:16:39
Rank: #22555 (-28)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:14:21
Pace10:15 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4028:069:0328:06
9:03
-
10K
6.21 mi11:57:3356:599:1028:53
9:18
+0:15
15K
9.32 mi12:26:411:26:079:1429:08
9:23
+0:05
20K
12.43 mi12:56:311:55:579:2029:50
9:36
+0:13
Half
13.11 mi13:02:522:02:189:206:21
9:18
-0:18
25K
15.53 mi13:26:012:25:279:2223:09
9:33
+0:15
30K
18.64 mi13:58:012:57:279:3132:00
10:18
+0:45
20M
20.00 mi14:11:513:11:179:3413:50
10:11
-0:07
21M
21.00 mi14:22:583:22:249:3811:07
11:07
+0:56
35K
21.75 mi14:30:423:30:089:407:44
10:20
-0:47
23M
23.00 mi14:43:423:43:089:4213:00
10:23
+0:03
24M
24.00 mi14:53:523:53:189:4310:10
10:10
-0:13
40K
24.85 mi15:02:484:02:149:458:56
10:27
+0:17
25.2M
25.20 mi15:06:524:06:189:464:04
11:48
+1:21
Finish
26.22 mi15:17:134:16:399:4810:21
10:09
-1:39

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

9:03 /mi

Average Pace

9:48 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:27

57% of race

Time at Steady Pace

1:36:01

37% of race

Time at Slower Pace

15:11

6% of race

Average Pace: 9:47 /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 mi11:28:4028:069:0328:06
9:03
#22620
10K
6.21 mi11:57:3356:599:1028:53
9:18
#23107
15K
9.32 mi12:26:411:26:079:1429:08
9:23
#23243
20K
12.43 mi12:56:311:55:579:2029:50
9:36
#23228
Half
13.11 mi13:02:522:02:189:206:21
9:18
#23216
25K
15.53 mi13:26:012:25:279:2223:09
9:33
#22998
30K
18.64 mi13:58:012:57:279:3132:00
10:18
#22853
20M
20.00 mi14:11:513:11:179:3413:50
10:11
#22764
21M
21.00 mi14:22:583:22:249:3811:07
11:07
#22681
35K
21.75 mi14:30:423:30:089:407:44
10:20
#22673
23M
23.00 mi14:43:423:43:089:4213:00
10:23
#22601
24M
24.00 mi14:53:523:53:189:4310:10
10:10
#22547
40K
24.85 mi15:02:484:02:149:458:56
10:27
#22524
25.2M
25.20 mi15:06:524:06:189:464:04
11:48
#22527
Finish
26.22 mi15:17:134:16:399:4810:21
10:09
#22555
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi226208971897123420(Top 82%)9328(Top 76%)9328(Top 1495%)
10K6.21 mi3.10 mi23107-4879209-2389209-23823522(Top 83%)9423(Top 77%)9423(Top 1510%)
15K9.32 mi3.11 mi23243-1369261-529261-5223420(Top 82%)9328(Top 76%)9328(Top 1495%)
20K12.43 mi3.11 mi23228+159248+139248+1323218(Top 82%)9252(Top 76%)9252(Top 1483%)
Half13.11 mi0.68 mi23216+129240+89240+823006(Top 81%)9150(Top 75%)9150(Top 1466%)
25K15.53 mi2.42 mi22998+2189146+949146+9422037(Top 78%)8672(Top 71%)8672(Top 1390%)
30K18.64 mi3.11 mi22853+1459101+459101+4522456(Top 79%)9027(Top 74%)9027(Top 1447%)
20M20.00 mi1.36 mi22764+899082+199082+1921526(Top 76%)8644(Top 71%)8644(Top 1385%)
21M21.00 mi1.00 mi22681+839050+329050+3221707(Top 76%)8816(Top 72%)8816(Top 1413%)
35K21.75 mi0.75 mi22673+89059-99059-922804(Top 80%)9440(Top 77%)9440(Top 1513%)
23M23.00 mi1.25 mi22601+729043+169043+1621702(Top 76%)8918(Top 73%)8918(Top 1429%)
24M24.00 mi1.00 mi22547+549042+19042+121853(Top 77%)9065(Top 74%)9065(Top 1453%)
40K24.85 mi0.85 mi22524+239044-29044-221791(Top 77%)9088(Top 74%)9088(Top 1456%)
25.2M25.20 mi0.35 mi22527-39048-49048-422793(Top 80%)9561(Top 78%)9561(Top 1532%)
Finish26.22 mi1.02 mi22555-289090-429090-4223413(Top 82%)9880(Top 81%)9880(Top 1583%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23420

Females

9328

F60-64

9328

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23522

Females

9423

F60-64

9423

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23420

Females

9328

F60-64

9328

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23218

Females

9252

F60-64

9252

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23006

Females

9150

F60-64

9150

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22037

Females

8672

F60-64

8672

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22456

Females

9027

F60-64

9027

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21526

Females

8644

F60-64

8644

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21707

Females

8816

F60-64

8816

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22804

Females

9440

F60-64

9440

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21702

Females

8918

F60-64

8918

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21853

Females

9065

F60-64

9065

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21791

Females

9088

F60-64

9088

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22793

Females

9561

F60-64

9561

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23413

Females

9880

F60-64

9880

Passing Analysis

Category:
Athletes Passed
1469
Passed By
1404
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22620
5K → 10K89576-487#22620#23107
10K → 15K124260-136#23107#23243
15K → 20K159144+15#23243#23228
20K → Half3826+12#23228#23216
Half → 25K25436+218#23216#22998
25K → 30K23085+145#22998#22853
30K → 20M12536+89#22853#22764
20M → 21M11431+83#22764#22681
21M → 35K4941+8#22681#22673
35K → 23M10836+72#22673#22601
23M → 24M7521+54#22601#22547
24M → 40K5330+23#22547#22524
40K → 25.2M1720-3#22524#22527
25.2M → Finish3462-28#22527#22555
TOTALS14691404+65
📊

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