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BOSTON MARATHON 2025

Yee Vien Ng

Bib: 32532•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

Start
0:00:00
Race begins
5K· 3.11 mi
33:43
Rank: #27368
Start → 5K
33:43 | 10:51/mi
10K· 6.21 mi
1:07:41
Rank: #27182 (+186)
5K → 10K
33:58 | 10:56/mi
15K· 9.32 mi
1:43:29
Rank: #27201 (-19)
10K → 15K
35:48 | 11:31/mi
20K· 12.43 mi
2:20:40
Rank: #27174 (+27)
15K → 20K
37:11 | 11:58/mi
Half· 13.11 mi
2:28:50
Rank: #27200 (-26)
20K → Half
8:10 | 11:58/mi
25K· 15.53 mi
3:01:34
Rank: #27301 (-101)
Half → 25K
32:44 | 13:30/mi
30K· 18.64 mi
3:42:00
Rank: #27207 (+94)
25K → 30K
40:26 | 13:01/mi
20M
3:59:43
Rank: #27176 (+31)
30K → 20M
17:43 | 13:02/mi
21M
4:13:39
Rank: #27130 (+46)
20M → 21M
13:56 | 13:56/mi
35K· 21.75 mi
4:22:31
Rank: #27099 (+31)
21M → 35K
8:52 | 11:51/mi
23M
4:38:54
Rank: #27094 (+5)
35K → 23M
16:23 | 13:05/mi
24M
4:51:14
Rank: #27062 (+32)
23M → 24M
12:20 | 12:20/mi
40K· 24.85 mi
5:01:57
Rank: #27022 (+40)
24M → 40K
10:43 | 12:32/mi
25.2M
5:06:45
Rank: #27013 (+9)
40K → 25.2M
4:48 | 13:55/mi
Finish· 26.22 mi
5:18:38
Rank: #26998 (+15)
25.2M → Finish
11:53 | 11:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:50
Pace11:21 /mi
2nd Half
Distance13.11 mi
Time2:49:48
Pace12:57 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:43:3733:4310:5133:43
10:51
-
10K
6.21 mi11:17:351:07:4110:5433:58
10:56
+0:05
15K
9.32 mi11:53:231:43:2911:0635:48
11:31
+0:35
20K
12.43 mi12:30:342:20:4011:1937:11
11:58
+0:27
Half
13.11 mi12:38:442:28:5011:218:10
11:58
0:00
25K
15.53 mi13:11:283:01:3411:4132:44
13:30
+1:32
30K
18.64 mi13:51:543:42:0011:5540:26
13:01
-0:29
20M
20.00 mi14:09:373:59:4311:5917:43
13:02
+0:01
21M
21.00 mi14:23:334:13:3912:0513:56
13:56
+0:54
35K
21.75 mi14:32:254:22:3112:048:52
11:51
-2:05
23M
23.00 mi14:48:484:38:5412:0816:23
13:05
+1:14
24M
24.00 mi15:01:084:51:1412:0812:20
12:20
-0:45
40K
24.85 mi15:11:515:01:5712:0910:43
12:32
+0:12
25.2M
25.20 mi15:16:395:06:4512:104:48
13:55
+1:23
Finish
26.22 mi15:28:325:18:3812:1011:53
11:40
-2:15

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

10:51 /mi

Average Pace

12:10 /mi

Slowest Pace

13:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:14

39% of race

Time at Steady Pace

1:08:24

21% of race

Time at Slower Pace

2:06:00

40% of race

Average Pace: 12:09 /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 mi10:43:3733:4310:5133:43
10:51
#27368
10K
6.21 mi11:17:351:07:4110:5433:58
10:56
#27182
15K
9.32 mi11:53:231:43:2911:0635:48
11:31
#27201
20K
12.43 mi12:30:342:20:4011:1937:11
11:58
#27174
Half
13.11 mi12:38:442:28:5011:218:10
11:58
#27200
25K
15.53 mi13:11:283:01:3411:4132:44
13:30
#27301
30K
18.64 mi13:51:543:42:0011:5540:26
13:01
#27207
20M
20.00 mi14:09:373:59:4311:5917:43
13:02
#27176
21M
21.00 mi14:23:334:13:3912:0513:56
13:56
#27130
35K
21.75 mi14:32:254:22:3112:048:52
11:51
#27099
23M
23.00 mi14:48:484:38:5412:0816:23
13:05
#27094
24M
24.00 mi15:01:084:51:1412:0812:20
12:20
#27062
40K
24.85 mi15:11:515:01:5712:0910:43
12:32
#27022
25.2M
25.20 mi15:16:395:06:4512:104:48
13:55
#27013
Finish
26.22 mi15:28:325:18:3812:1011:53
11:40
#26998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27368115511155127244(Top 96%)11515(Top 94%)11515(Top 211%)
10K6.21 mi3.10 mi27182+18611471+8011471+8026973(Top 95%)11356(Top 93%)11356(Top 208%)
15K9.32 mi3.11 mi27201-1911469+211469+227244(Top 96%)11515(Top 94%)11515(Top 211%)
20K12.43 mi3.11 mi27174+27114691146927090(Top 95%)11448(Top 94%)11448(Top 209%)
Half13.11 mi0.68 mi27200-2611487-1811487-1827428(Top 97%)11667(Top 95%)11667(Top 213%)
25K15.53 mi2.42 mi27301-10111558-7111558-7127615(Top 97%)11783(Top 96%)11783(Top 215%)
30K18.64 mi3.11 mi27207+9411526+3211526+3226691(Top 94%)11327(Top 93%)11327(Top 207%)
20M20.00 mi1.36 mi27176+3111508+1811508+1826474(Top 93%)11270(Top 92%)11270(Top 206%)
21M21.00 mi1.00 mi27130+4611487+2111487+2126154(Top 92%)11129(Top 91%)11129(Top 203%)
35K21.75 mi0.75 mi27099+3111478+911478+925631(Top 90%)10918(Top 89%)10918(Top 200%)
23M23.00 mi1.25 mi27094+511484-611484-626475(Top 93%)11335(Top 93%)11335(Top 207%)
24M24.00 mi1.00 mi27062+3211473+1111473+1126095(Top 92%)11174(Top 91%)11174(Top 204%)
40K24.85 mi0.85 mi27022+4011453+2011453+2025691(Top 90%)10993(Top 90%)10993(Top 201%)
25.2M25.20 mi0.35 mi27013+911451+211451+226181(Top 92%)11277(Top 92%)11277(Top 206%)
Finish26.22 mi1.02 mi26998+1511449+211449+226371(Top 93%)11328(Top 93%)11328(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27244

Females

11515

F18-39

11515

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26973

Females

11356

F18-39

11356

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27244

Females

11515

F18-39

11515

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27090

Females

11448

F18-39

11448

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27428

Females

11667

F18-39

11667

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27615

Females

11783

F18-39

11783

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26691

Females

11327

F18-39

11327

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26474

Females

11270

F18-39

11270

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

26154

Females

11129

F18-39

11129

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25631

Females

10918

F18-39

10918

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

26475

Females

11335

F18-39

11335

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

26095

Females

11174

F18-39

11174

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25691

Females

10993

F18-39

10993

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26181

Females

11277

F18-39

11277

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26371

Females

11328

F18-39

11328

Passing Analysis

Category:
Athletes Passed
923
Passed By
553
Net Change
+370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27368
5K → 10K24660+186#27368#27182
10K → 15K104123-19#27182#27201
15K → 20K10780+27#27201#27174
20K → Half1238-26#27174#27200
Half → 25K44145-101#27200#27301
25K → 30K13238+94#27301#27207
30K → 20M4514+31#27207#27176
20M → 21M504+46#27176#27130
21M → 35K343+31#27130#27099
35K → 23M2722+5#27099#27094
23M → 24M386+32#27094#27062
24M → 40K444+40#27062#27022
40K → 25.2M123+9#27022#27013
25.2M → Finish2813+15#27013#26998
TOTALS923553+370
📊

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