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BOSTON MARATHON 2025

Wen Wen Jheng

Bib: 18588•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:54
Rank: #20798
Start → 5K
26:54 | 8:39/mi
10K· 6.21 mi
54:04
Rank: #20923 (-125)
5K → 10K
27:10 | 8:45/mi
15K· 9.32 mi
1:21:11
Rank: #20804 (+119)
10K → 15K
27:07 | 8:44/mi
20K· 12.43 mi
1:48:26
Rank: #20557 (+247)
15K → 20K
27:15 | 8:46/mi
Half· 13.11 mi
1:54:34
Rank: #20619 (-62)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:15:50
Rank: #20328 (+291)
Half → 25K
21:16 | 8:46/mi
30K· 18.64 mi
2:43:23
Rank: #19679 (+649)
25K → 30K
27:33 | 8:52/mi
20M
2:55:19
Rank: #19378 (+301)
30K → 20M
11:56 | 8:47/mi
21M
3:04:25
Rank: #19084 (+294)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
3:10:53
Rank: #18979 (+105)
21M → 35K
6:28 | 8:39/mi
23M
3:21:50
Rank: #18727 (+252)
35K → 23M
10:57 | 8:45/mi
24M
3:30:19
Rank: #18546 (+181)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:37:36
Rank: #18347 (+199)
24M → 40K
7:17 | 8:31/mi
25.2M
3:40:43
Rank: #18253 (+94)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:49:11
Rank: #18129 (+124)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:54:37
Pace8:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4826:548:3926:54
8:39
-
10K
6.21 mi11:44:5854:048:4227:10
8:45
+0:06
15K
9.32 mi12:12:051:21:118:4327:07
8:44
-0:01
20K
12.43 mi12:39:201:48:268:4427:15
8:46
+0:02
Half
13.11 mi12:45:281:54:348:446:08
8:59
+0:13
25K
15.53 mi13:06:442:15:508:4521:16
8:46
-0:13
30K
18.64 mi13:34:172:43:238:4627:33
8:52
+0:06
20M
20.00 mi13:46:132:55:198:4611:56
8:47
-0:05
21M
21.00 mi13:55:193:04:258:479:06
9:06
+0:19
35K
21.75 mi14:01:473:10:538:476:28
8:39
-0:27
23M
23.00 mi14:12:443:21:508:4710:57
8:45
+0:06
24M
24.00 mi14:21:133:30:198:468:29
8:29
-0:16
40K
24.85 mi14:28:303:37:368:457:17
8:31
+0:02
25.2M
25.20 mi14:31:373:40:438:463:07
9:02
+0:31
Finish
26.22 mi14:40:053:49:118:458:28
8:19
-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

8:19 /mi

Average Pace

8:45 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:36

25% of race

Time at Steady Pace

2:51:35

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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 mi11:17:4826:548:3926:54
8:39
#20798
10K
6.21 mi11:44:5854:048:4227:10
8:45
#20923
15K
9.32 mi12:12:051:21:118:4327:07
8:44
#20804
20K
12.43 mi12:39:201:48:268:4427:15
8:46
#20557
Half
13.11 mi12:45:281:54:348:446:08
8:59
#20619
25K
15.53 mi13:06:442:15:508:4521:16
8:46
#20328
30K
18.64 mi13:34:172:43:238:4627:33
8:52
#19679
20M
20.00 mi13:46:132:55:198:4611:56
8:47
#19378
21M
21.00 mi13:55:193:04:258:479:06
9:06
#19084
35K
21.75 mi14:01:473:10:538:476:28
8:39
#18979
23M
23.00 mi14:12:443:21:508:4710:57
8:45
#18727
24M
24.00 mi14:21:133:30:198:468:29
8:29
#18546
40K
24.85 mi14:28:303:37:368:457:17
8:31
#18347
25.2M
25.20 mi14:31:373:40:438:463:07
9:02
#18253
Finish
26.22 mi14:40:053:49:118:458:28
8:19
#18129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi207987967796720642(Top 73%)7797(Top 64%)7797(Top 454%)
10K6.21 mi3.10 mi20923-1258011-448011-4421121(Top 74%)8090(Top 66%)8090(Top 471%)
15K9.32 mi3.11 mi20804+1197926+857926+8520642(Top 73%)7797(Top 64%)7797(Top 454%)
20K12.43 mi3.11 mi20557+2477792+1347792+13419798(Top 70%)7369(Top 60%)7369(Top 429%)
Half13.11 mi0.68 mi20619-627824-327824-3221782(Top 77%)8454(Top 69%)8454(Top 492%)
25K15.53 mi2.42 mi20328+2917673+1517673+15118794(Top 66%)6865(Top 56%)6865(Top 400%)
30K18.64 mi3.11 mi19679+6497338+3357338+33517000(Top 60%)6031(Top 49%)6031(Top 351%)
20M20.00 mi1.36 mi19378+3017196+1427196+14215595(Top 55%)5364(Top 44%)5364(Top 312%)
21M21.00 mi1.00 mi19084+2947051+1457051+14514149(Top 50%)4722(Top 39%)4722(Top 275%)
35K21.75 mi0.75 mi18979+1057010+417010+4116391(Top 58%)6011(Top 49%)6011(Top 350%)
23M23.00 mi1.25 mi18727+2526894+1166894+11614838(Top 52%)5253(Top 43%)5253(Top 306%)
24M24.00 mi1.00 mi18546+1816822+726822+7214445(Top 51%)5072(Top 41%)5072(Top 295%)
40K24.85 mi0.85 mi18347+1996738+846738+8413612(Top 48%)4778(Top 39%)4778(Top 278%)
25.2M25.20 mi0.35 mi18253+946695+436695+4312129(Top 43%)4070(Top 33%)4070(Top 237%)
Finish26.22 mi1.02 mi18129+1246639+566639+5615008(Top 53%)5493(Top 45%)5493(Top 320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20642

Females

7797

F40-44

7797

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21121

Females

8090

F40-44

8090

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20642

Females

7797

F40-44

7797

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19798

Females

7369

F40-44

7369

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21782

Females

8454

F40-44

8454

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18794

Females

6865

F40-44

6865

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17000

Females

6031

F40-44

6031

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15595

Females

5364

F40-44

5364

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14149

Females

4722

F40-44

4722

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16391

Females

6011

F40-44

6011

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14838

Females

5253

F40-44

5253

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14445

Females

5072

F40-44

5072

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13612

Females

4778

F40-44

4778

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12129

Females

4070

F40-44

4070

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15008

Females

5493

F40-44

5493

Passing Analysis

Category:
Athletes Passed
3381
Passed By
712
Net Change
+2669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20798
5K → 10K218343-125#20798#20923
10K → 15K246127+119#20923#20804
15K → 20K31265+247#20804#20557
20K → Half1880-62#20557#20619
Half → 25K31524+291#20619#20328
25K → 30K66314+649#20328#19679
30K → 20M3054+301#19679#19378
20M → 21M3006+294#19378#19084
21M → 35K11813+105#19084#18979
35K → 23M2619+252#18979#18727
23M → 24M1854+181#18727#18546
24M → 40K2045+199#18546#18347
40K → 25.2M951+94#18347#18253
25.2M → Finish14117+124#18253#18129
TOTALS3381712+2669
📊

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