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BOSTON MARATHON 2025

Elaine Wang Yu

Bib: 23712•F

NJ

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
28:31
Rank: #23156
Start → 5K
28:31 | 9:11/mi
10K· 6.21 mi
56:13
Rank: #22613 (+543)
5K → 10K
27:42 | 8:55/mi
15K· 9.32 mi
1:24:07
Rank: #22390 (+223)
10K → 15K
27:54 | 8:59/mi
20K· 12.43 mi
1:52:33
Rank: #22189 (+201)
15K → 20K
28:26 | 9:09/mi
Half· 13.11 mi
1:58:42
Rank: #22160 (+29)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:22:35
Rank: #22360 (-200)
Half → 25K
23:53 | 9:51/mi
30K· 18.64 mi
2:53:43
Rank: #22235 (+125)
25K → 30K
31:08 | 10:01/mi
20M
3:07:13
Rank: #22121 (+114)
30K → 20M
13:30 | 9:56/mi
21M
3:18:08
Rank: #22034 (+87)
20M → 21M
10:55 | 10:55/mi
35K· 21.75 mi
3:26:17
Rank: #22119 (-85)
21M → 35K
8:09 | 10:54/mi
23M
3:39:51
Rank: #22173 (-54)
35K → 23M
13:34 | 10:50/mi
24M
3:50:03
Rank: #22139 (+34)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
3:59:10
Rank: #22155 (-16)
24M → 40K
9:07 | 10:40/mi
25.2M
4:04:24
Rank: #22296 (-141)
40K → 25.2M
5:14 | 15:11/mi
Finish· 26.22 mi
4:14:32
Rank: #22297 (-1)
25.2M → Finish
10:08 | 9:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:42
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:15:50
Pace10:22 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1728:319:1128:31
9:11
-
10K
6.21 mi12:13:5956:139:0327:42
8:55
-0:16
15K
9.32 mi12:41:531:24:079:0127:54
8:59
+0:04
20K
12.43 mi13:10:191:52:339:0328:26
9:09
+0:10
Half
13.11 mi13:16:281:58:429:036:09
9:01
-0:08
25K
15.53 mi13:40:212:22:359:1123:53
9:51
+0:50
30K
18.64 mi14:11:292:53:439:1931:08
10:01
+0:10
20M
20.00 mi14:24:593:07:139:2213:30
9:56
-0:05
21M
21.00 mi14:35:543:18:089:2610:55
10:55
+0:59
35K
21.75 mi14:44:033:26:179:298:09
10:54
-0:01
23M
23.00 mi14:57:373:39:519:3413:34
10:50
-0:04
24M
24.00 mi15:07:493:50:039:3510:12
10:12
-0:38
40K
24.85 mi15:16:563:59:109:379:07
10:40
+0:28
25.2M
25.20 mi15:22:104:04:249:425:14
15:11
+4:31
Finish
26.22 mi15:32:184:14:329:4310:08
9:57
-5:14

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

8:55 /mi

Average Pace

9:43 /mi

Slowest Pace

15:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:42

47% of race

Time at Steady Pace

1:37:58

38% of race

Time at Slower Pace

37:52

15% of race

Average Pace: 9:42 /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 mi11:46:1728:319:1128:31
9:11
#23156
10K
6.21 mi12:13:5956:139:0327:42
8:55
#22613
15K
9.32 mi12:41:531:24:079:0127:54
8:59
#22390
20K
12.43 mi13:10:191:52:339:0328:26
9:09
#22189
Half
13.11 mi13:16:281:58:429:036:09
9:01
#22160
25K
15.53 mi13:40:212:22:359:1123:53
9:51
#22360
30K
18.64 mi14:11:292:53:439:1931:08
10:01
#22235
20M
20.00 mi14:24:593:07:139:2213:30
9:56
#22121
21M
21.00 mi14:35:543:18:089:2610:55
10:55
#22034
35K
21.75 mi14:44:033:26:179:298:09
10:54
#22119
23M
23.00 mi14:57:373:39:519:3413:34
10:50
#22173
24M
24.00 mi15:07:493:50:039:3510:12
10:12
#22139
40K
24.85 mi15:16:563:59:109:379:07
10:40
#22155
25.2M
25.20 mi15:22:104:04:249:425:14
15:11
#22296
Finish
26.22 mi15:32:184:14:329:4310:08
9:57
#22297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi231569251925121961(Top 77%)8528(Top 70%)8528(Top 654%)
10K6.21 mi3.10 mi22613+5438946+3058946+30522021(Top 78%)8610(Top 70%)8610(Top 661%)
15K9.32 mi3.11 mi22390+2238800+1468800+14621961(Top 77%)8528(Top 70%)8528(Top 654%)
20K12.43 mi3.11 mi22189+2018698+1028698+10221696(Top 76%)8428(Top 69%)8428(Top 647%)
Half13.11 mi0.68 mi22160+298685+138685+1321931(Top 77%)8567(Top 70%)8567(Top 657%)
25K15.53 mi2.42 mi22360-2008788-1038788-10322903(Top 81%)9140(Top 75%)9140(Top 701%)
30K18.64 mi3.11 mi22235+1258755+338755+3321661(Top 76%)8593(Top 70%)8593(Top 659%)
20M20.00 mi1.36 mi22121+1148706+498706+4920740(Top 73%)8221(Top 67%)8221(Top 631%)
21M21.00 mi1.00 mi22034+878684+228684+2221185(Top 75%)8546(Top 70%)8546(Top 656%)
35K21.75 mi0.75 mi22119-858744-608744-6023998(Top 84%)10055(Top 82%)10055(Top 772%)
23M23.00 mi1.25 mi22173-548818-748818-7422841(Top 80%)9517(Top 78%)9517(Top 730%)
24M24.00 mi1.00 mi22139+348814+48814+421951(Top 77%)9107(Top 74%)9107(Top 699%)
40K24.85 mi0.85 mi22155-168843-298843-2922355(Top 79%)9388(Top 77%)9388(Top 720%)
25.2M25.20 mi0.35 mi22296-1418927-848927-8427256(Top 96%)11778(Top 96%)11778(Top 904%)
Finish26.22 mi1.02 mi22297-18943-168943-1622770(Top 80%)9554(Top 78%)9554(Top 733%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21961

Females

8528

F50-54

8528

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22021

Females

8610

F50-54

8610

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21961

Females

8528

F50-54

8528

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21696

Females

8428

F50-54

8428

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21931

Females

8567

F50-54

8567

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22903

Females

9140

F50-54

9140

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21661

Females

8593

F50-54

8593

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20740

Females

8221

F50-54

8221

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21185

Females

8546

F50-54

8546

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23998

Females

10055

F50-54

10055

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

22841

Females

9517

F50-54

9517

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21951

Females

9107

F50-54

9107

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22355

Females

9388

F50-54

9388

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27256

Females

11778

F50-54

11778

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22770

Females

9554

F50-54

9554

Passing Analysis

Category:
Athletes Passed
2020
Passed By
1161
Net Change
+859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23156
5K → 10K59148+543#23156#22613
10K → 15K30683+223#22613#22390
15K → 20K27473+201#22390#22189
20K → Half4617+29#22189#22160
Half → 25K79279-200#22160#22360
25K → 30K241116+125#22360#22235
30K → 20M13925+114#22235#22121
20M → 21M12538+87#22121#22034
21M → 35K21106-85#22034#22119
35K → 23M65119-54#22119#22173
23M → 24M5521+34#22173#22139
24M → 40K4662-16#22139#22155
40K → 25.2M1142-141#22155#22296
25.2M → Finish3132-1#22296#22297
TOTALS20201161+859
📊

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