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BOSTON MARATHON 2025

Wan Chen Wu

Bib: 16419•F

0:00
0:00
/ mi
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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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:53/mi
24:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
49:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:15:56
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:42:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:48:02
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:10:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:56/mi
2:44:00
↑ 181↓ 1480.2%
20M
9:49/mi
2:57:21
↑ 64↓ 500.2%
21M
10:09/mi
3:07:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:14:11
↑ 17↓ 861.7%
23M
9:08/mi
3:25:37
↑ 23↓ 630.6%
24M
8:57/mi
3:34:34
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:42:31
↓ 200.3%
25.2M
10:23/mi
3:46:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
3:55:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:02
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:07:11
Pace9:42 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3724:287:5324:28
7:53
-
10K
6.21 mi11:39:5749:488:0125:20
8:09
+0:16
15K
9.32 mi12:06:051:15:568:0926:08
8:25
+0:16
20K
12.43 mi12:32:151:42:068:1326:10
8:25
0:00
Half
13.11 mi12:38:111:48:028:145:56
8:42
+0:17
25K
15.53 mi13:00:112:10:028:2222:00
9:04
+0:22
30K
18.64 mi13:34:092:44:008:4833:58
10:56
+1:52
20M
20.00 mi13:47:302:57:218:5213:21
9:49
-1:07
21M
21.00 mi13:57:393:07:308:5610:09
10:09
+0:20
35K
21.75 mi14:04:203:14:118:566:41
8:56
-1:13
23M
23.00 mi14:15:463:25:378:5611:26
9:08
+0:12
24M
24.00 mi14:24:433:34:348:568:57
8:57
-0:11
40K
24.85 mi14:32:403:42:318:577:57
9:18
+0:21
25.2M
25.20 mi14:36:153:46:068:583:35
10:23
+1:05
Finish
26.22 mi14:45:223:55:138:599:07
8:57
-1:26

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

7:53 /mi

Average Pace

8:59 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:06

43% of race

Time at Steady Pace

1:12:04

31% of race

Time at Slower Pace

1:01:03

26% of race

Average Pace: 8:58 /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 mi11:14:3724:287:5324:28
7:53
#15492
10K
6.21 mi11:39:5749:488:0125:20
8:09
#16641
15K
9.32 mi12:06:051:15:568:0926:08
8:25
#17414
20K
12.43 mi12:32:151:42:068:1326:10
8:25
#17447
Half
13.11 mi12:38:111:48:028:145:56
8:42
#17615
25K
15.53 mi13:00:112:10:028:2222:00
9:04
#18067
30K
18.64 mi13:34:092:44:008:4833:58
10:56
#19852
20M
20.00 mi13:47:302:57:218:5213:21
9:49
#19921
21M
21.00 mi13:57:393:07:308:5610:09
10:09
#19848
35K
21.75 mi14:04:203:14:118:566:41
8:56
#19770
23M
23.00 mi14:15:463:25:378:5611:26
9:08
#19611
24M
24.00 mi14:24:433:34:348:568:57
8:57
#19511
40K
24.85 mi14:32:403:42:318:577:57
9:18
#19432
25.2M
25.20 mi14:36:153:46:068:583:35
10:23
#19416
Finish
26.22 mi14:45:223:55:138:599:07
8:57
#19384
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154924833483318791(Top 66%)6781(Top 55%)6781(Top 124%)
10K6.21 mi3.10 mi16641-11495520-6875520-68717590(Top 62%)6059(Top 50%)6059(Top 111%)
15K9.32 mi3.11 mi17414-7735963-4435963-44318791(Top 66%)6781(Top 55%)6781(Top 124%)
20K12.43 mi3.11 mi17447-336001-386001-3817703(Top 62%)6170(Top 50%)6170(Top 113%)
Half13.11 mi0.68 mi17615-1686106-1056106-10520377(Top 72%)7678(Top 63%)7678(Top 140%)
25K15.53 mi2.42 mi18067-4526401-2956401-29520242(Top 71%)7669(Top 63%)7669(Top 140%)
30K18.64 mi3.11 mi19852-17857434-10337434-103323891(Top 84%)9811(Top 80%)9811(Top 179%)
20M20.00 mi1.36 mi19921-697499-657499-6520371(Top 72%)7999(Top 65%)7999(Top 146%)
21M21.00 mi1.00 mi19848+737483+167483+1618877(Top 66%)7275(Top 59%)7275(Top 133%)
35K21.75 mi0.75 mi19770+787459+247459+2417959(Top 63%)6885(Top 56%)6885(Top 126%)
23M23.00 mi1.25 mi19611+1597406+537406+5317031(Top 60%)6474(Top 53%)6474(Top 118%)
24M24.00 mi1.00 mi19511+1007367+397367+3917146(Top 60%)6581(Top 54%)6581(Top 120%)
40K24.85 mi0.85 mi19432+797342+257342+2517875(Top 63%)7074(Top 58%)7074(Top 129%)
25.2M25.20 mi0.35 mi19416+167340+27340+218646(Top 66%)7457(Top 61%)7457(Top 136%)
Finish26.22 mi1.02 mi19384+327344-47344-418787(Top 66%)7483(Top 61%)7483(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18791

Females

6781

F18-39

6781

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17590

Females

6059

F18-39

6059

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18791

Females

6781

F18-39

6781

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17703

Females

6170

F18-39

6170

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20377

Females

7678

F18-39

7678

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20242

Females

7669

F18-39

7669

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23891

Females

9811

F18-39

9811

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20371

Females

7999

F18-39

7999

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18877

Females

7275

F18-39

7275

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17959

Females

6885

F18-39

6885

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17031

Females

6474

F18-39

6474

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17146

Females

6581

F18-39

6581

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17875

Females

7074

F18-39

7074

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18646

Females

7457

F18-39

7457

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18787

Females

7483

F18-39

7483

Passing Analysis

Category:
Athletes Passed
1182
Passed By
5074
Net Change
-3892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15492
5K → 10K591208-1149#15492#16641
10K → 15K51824-773#16641#17414
15K → 20K175208-33#17414#17447
20K → Half6174-168#17447#17615
Half → 25K72524-452#17615#18067
25K → 30K151800-1785#18067#19852
30K → 20M82151-69#19852#19921
20M → 21M12552+73#19921#19848
21M → 35K868+78#19848#19770
35K → 23M18324+159#19770#19611
23M → 24M11515+100#19611#19511
24M → 40K10223+79#19511#19432
40K → 25.2M3721+16#19432#19416
25.2M → Finish7442+32#19416#19384
TOTALS11825074-3892
📊

Passing Visuals

Category:
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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