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BOSTON MARATHON 2025

Die Wu

Bib: 9817•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Masters (Masters Women)
#0 / 6759
Top 1%
Division (F50-54)
#0 / 1303
Top 0.4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:39
Rank: #7589
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
43:15
Rank: #7597 (-8)
5K → 10K
21:36 | 6:57/mi
15K· 9.32 mi
1:04:51
Rank: #7489 (+108)
10K → 15K
21:36 | 6:57/mi
20K· 12.43 mi
1:26:42
Rank: #7342 (+147)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:31:24
Rank: #7305 (+37)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:48:26
Rank: #7136 (+169)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:10:38
Rank: #6728 (+408)
25K → 30K
22:12 | 7:09/mi
20M
2:20:28
Rank: #6529 (+199)
30K → 20M
9:50 | 7:14/mi
21M
2:28:23
Rank: #6482 (+47)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:33:38
Rank: #6403 (+79)
21M → 35K
5:15 | 7:01/mi
23M
2:42:54
Rank: #6318 (+85)
35K → 23M
9:16 | 7:24/mi
24M
2:50:04
Rank: #6228 (+90)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:56:22
Rank: #6170 (+58)
24M → 40K
6:18 | 7:22/mi
25.2M
2:59:16
Rank: #6172 (-2)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:06:52
Rank: #6210 (-38)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:24
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:35:28
Pace7:17 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1921:396:5821:39
6:58
-
10K
6.21 mi11:08:5543:156:5821:36
6:57
-0:01
15K
9.32 mi11:30:311:04:516:5721:36
6:57
0:00
20K
12.43 mi11:52:221:26:426:5921:51
7:02
+0:05
Half
13.11 mi11:57:041:31:246:584:42
6:53
-0:09
25K
15.53 mi12:14:061:48:266:5917:02
7:02
+0:09
30K
18.64 mi12:36:182:10:387:0022:12
7:09
+0:07
20M
20.00 mi12:46:082:20:287:019:50
7:14
+0:05
21M
21.00 mi12:54:032:28:237:047:55
7:55
+0:41
35K
21.75 mi12:59:182:33:387:045:15
7:01
-0:54
23M
23.00 mi13:08:342:42:547:059:16
7:24
+0:23
24M
24.00 mi13:15:442:50:047:057:10
7:10
-0:14
40K
24.85 mi13:22:022:56:227:066:18
7:22
+0:12
25.2M
25.20 mi13:24:562:59:167:072:54
8:25
+1:03
Finish
26.22 mi13:32:323:06:527:087:36
7:27
-0:58

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

6:53 /mi

Average Pace

7:08 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:42

3% of race

Time at Steady Pace

2:28:11

79% of race

Time at Slower Pace

33:59

18% of race

Average Pace: 7:08 /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 mi10:47:1921:396:5821:39
6:58
#7589
10K
6.21 mi11:08:5543:156:5821:36
6:57
#7597
15K
9.32 mi11:30:311:04:516:5721:36
6:57
#7489
20K
12.43 mi11:52:221:26:426:5921:51
7:02
#7342
Half
13.11 mi11:57:041:31:246:584:42
6:53
#7305
25K
15.53 mi12:14:061:48:266:5917:02
7:02
#7136
30K
18.64 mi12:36:182:10:387:0022:12
7:09
#6728
20M
20.00 mi12:46:082:20:287:019:50
7:14
#6529
21M
21.00 mi12:54:032:28:237:047:55
7:55
#6482
35K
21.75 mi12:59:182:33:387:045:15
7:01
#6403
23M
23.00 mi13:08:342:42:547:059:16
7:24
#6318
24M
24.00 mi13:15:442:50:047:057:10
7:10
#6228
40K
24.85 mi13:22:022:56:227:066:18
7:22
#6170
25.2M
25.20 mi13:24:562:59:167:072:54
8:25
#6172
Finish
26.22 mi13:32:323:06:527:087:36
7:27
#6210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi75898388387334(Top 26%)815(Top 7%)815(Top 63%)
10K6.21 mi3.10 mi7597-8860-22860-227630(Top 27%)877(Top 7%)877(Top 67%)
15K9.32 mi3.11 mi7489+108835+25835+257334(Top 26%)815(Top 7%)815(Top 63%)
20K12.43 mi3.11 mi7342+147806+29806+297093(Top 25%)801(Top 7%)801(Top 61%)
Half13.11 mi0.68 mi7305+37798+8798+86885(Top 24%)743(Top 6%)743(Top 57%)
25K15.53 mi2.42 mi7136+169768+30768+306493(Top 23%)717(Top 6%)717(Top 55%)
30K18.64 mi3.11 mi6728+408710+58710+585594(Top 20%)573(Top 5%)573(Top 44%)
20M20.00 mi1.36 mi6529+199685+25685+255441(Top 19%)625(Top 5%)625(Top 48%)
21M21.00 mi1.00 mi6482+47689-4689-46896(Top 24%)1254(Top 10%)1254(Top 96%)
35K21.75 mi0.75 mi6403+79685+4685+45510(Top 19%)760(Top 6%)760(Top 58%)
23M23.00 mi1.25 mi6318+856856856071(Top 21%)1043(Top 9%)1043(Top 80%)
24M24.00 mi1.00 mi6228+90680+5680+55631(Top 20%)931(Top 8%)931(Top 71%)
40K24.85 mi0.85 mi6170+58683-3683-36037(Top 21%)1145(Top 9%)1145(Top 88%)
25.2M25.20 mi0.35 mi6172-2695-12695-128276(Top 29%)2156(Top 18%)2156(Top 165%)
Finish26.22 mi1.02 mi6210-38732-37732-378901(Top 31%)2475(Top 20%)2475(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7334

Females

815

F50-54

815

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7630

Females

877

F50-54

877

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7334

Females

815

F50-54

815

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7093

Females

801

F50-54

801

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6885

Females

743

F50-54

743

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6493

Females

717

F50-54

717

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5594

Females

573

F50-54

573

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5441

Females

625

F50-54

625

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6896

Females

1254

F50-54

1254

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5510

Females

760

F50-54

760

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6071

Females

1043

F50-54

1043

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5631

Females

931

F50-54

931

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6037

Females

1145

F50-54

1145

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8276

Females

2156

F50-54

2156

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8901

Females

2475

F50-54

2475

Passing Analysis

Category:
Athletes Passed
2019
Passed By
640
Net Change
+1379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7589
5K → 10K199207-8#7589#7597
10K → 15K18577+108#7597#7489
15K → 20K19346+147#7489#7342
20K → Half469+37#7342#7305
Half → 25K19829+169#7305#7136
25K → 30K42517+408#7136#6728
30K → 20M21011+199#6728#6529
20M → 21M8841+47#6529#6482
21M → 35K9011+79#6482#6403
35K → 23M12136+85#6403#6318
23M → 24M10010+90#6318#6228
24M → 40K8830+58#6228#6170
40K → 25.2M2729-2#6170#6172
25.2M → Finish4987-38#6172#6210
TOTALS2019640+1379
📊

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