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BOSTON MARATHON 2025

Betty Yung

Bib: 8482•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F40-44)
#0 / 1718
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:13
Rank: #17479
Start → 5K
25:13 | 8:07/mi
10K· 6.21 mi
50:15
Rank: #17173 (+306)
5K → 10K
25:02 | 8:03/mi
15K· 9.32 mi
1:15:18
Rank: #16917 (+256)
10K → 15K
25:03 | 8:04/mi
20K· 12.43 mi
1:40:24
Rank: #16523 (+394)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:45:38
Rank: #16367 (+156)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:04:43
Rank: #15790 (+577)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:29:41
Rank: #14958 (+832)
25K → 30K
24:58 | 8:02/mi
20M
2:40:43
Rank: #14635 (+323)
30K → 20M
11:02 | 8:07/mi
21M
2:49:11
Rank: #14324 (+311)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:54:49
Rank: #14077 (+247)
21M → 35K
5:38 | 7:32/mi
23M
3:04:46
Rank: #13786 (+291)
35K → 23M
9:57 | 7:57/mi
24M
3:12:19
Rank: #13497 (+289)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
3:19:02
Rank: #13314 (+183)
24M → 40K
6:43 | 7:51/mi
25.2M
3:21:59
Rank: #13241 (+73)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:29:47
Rank: #13157 (+84)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:38
Pace8:03 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:44:09
Pace7:57 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:33:4625:138:0725:13
8:07
-
10K
6.21 mi10:58:4850:158:0525:02
8:03
-0:04
15K
9.32 mi11:23:511:15:188:0525:03
8:04
+0:01
20K
12.43 mi11:48:571:40:248:0525:06
8:05
+0:01
Half
13.11 mi11:54:111:45:388:035:14
7:40
-0:25
25K
15.53 mi12:13:162:04:438:0219:05
7:52
+0:12
30K
18.64 mi12:38:142:29:418:0224:58
8:02
+0:10
20M
20.00 mi12:49:162:40:438:0211:02
8:07
+0:05
21M
21.00 mi12:57:442:49:118:038:28
8:28
+0:21
35K
21.75 mi13:03:222:54:498:025:38
7:32
-0:56
23M
23.00 mi13:13:193:04:468:029:57
7:57
+0:25
24M
24.00 mi13:20:523:12:198:017:33
7:33
-0:24
40K
24.85 mi13:27:353:19:028:006:43
7:51
+0:18
25.2M
25.20 mi13:30:323:21:598:012:57
8:33
+0:42
Finish
26.22 mi13:38:203:29:478:007:48
7:39
-0:54

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

7:32 /mi

Average Pace

8:00 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:22

95% of race

Time at Steady Pace

11:25

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi10:33:4625:138:0725:13
8:07
#17479
10K
6.21 mi10:58:4850:158:0525:02
8:03
#17173
15K
9.32 mi11:23:511:15:188:0525:03
8:04
#16917
20K
12.43 mi11:48:571:40:248:0525:06
8:05
#16523
Half
13.11 mi11:54:111:45:388:035:14
7:40
#16367
25K
15.53 mi12:13:162:04:438:0219:05
7:52
#15790
30K
18.64 mi12:38:142:29:418:0224:58
8:02
#14958
20M
20.00 mi12:49:162:40:438:0211:02
8:07
#14635
21M
21.00 mi12:57:442:49:118:038:28
8:28
#14324
35K
21.75 mi13:03:222:54:498:025:38
7:32
#14077
23M
23.00 mi13:13:193:04:468:029:57
7:57
#13786
24M
24.00 mi13:20:523:12:198:017:33
7:33
#13497
40K
24.85 mi13:27:353:19:028:006:43
7:51
#13314
25.2M
25.20 mi13:30:323:21:598:012:57
8:33
#13241
Finish
26.22 mi13:38:203:29:478:007:48
7:39
#13157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi174796014601416501(Top 58%)5433(Top 44%)5433(Top 316%)
10K6.21 mi3.10 mi17173+3065830+1845830+18416893(Top 59%)5638(Top 46%)5638(Top 328%)
15K9.32 mi3.11 mi16917+2565670+1605670+16016501(Top 58%)5433(Top 44%)5433(Top 316%)
20K12.43 mi3.11 mi16523+3945444+2265444+22615495(Top 55%)4906(Top 40%)4906(Top 286%)
Half13.11 mi0.68 mi16367+1565362+825362+8213229(Top 47%)3629(Top 30%)3629(Top 211%)
25K15.53 mi2.42 mi15790+5775046+3165046+31612918(Top 45%)3627(Top 30%)3627(Top 211%)
30K18.64 mi3.11 mi14958+8324646+4004646+40011663(Top 41%)3128(Top 26%)3128(Top 182%)
20M20.00 mi1.36 mi14635+3234490+1564490+15611278(Top 40%)3083(Top 25%)3083(Top 179%)
21M21.00 mi1.00 mi14324+3114337+1534337+15310290(Top 36%)2765(Top 23%)2765(Top 161%)
35K21.75 mi0.75 mi14077+2474229+1084229+1088918(Top 31%)2112(Top 17%)2112(Top 123%)
23M23.00 mi1.25 mi13786+2914108+1214108+1219679(Top 34%)2598(Top 21%)2598(Top 151%)
24M24.00 mi1.00 mi13497+2893973+1353973+1358096(Top 29%)1917(Top 16%)1917(Top 112%)
40K24.85 mi0.85 mi13314+1833902+713902+719230(Top 32%)2574(Top 21%)2574(Top 150%)
25.2M25.20 mi0.35 mi13241+733877+253877+259235(Top 33%)2672(Top 22%)2672(Top 156%)
Finish26.22 mi1.02 mi13157+843849+283849+2810392(Top 37%)3178(Top 26%)3178(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16501

Females

5433

F40-44

5433

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16893

Females

5638

F40-44

5638

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16501

Females

5433

F40-44

5433

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15495

Females

4906

F40-44

4906

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13229

Females

3629

F40-44

3629

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12918

Females

3627

F40-44

3627

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11663

Females

3128

F40-44

3128

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11278

Females

3083

F40-44

3083

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10290

Females

2765

F40-44

2765

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8918

Females

2112

F40-44

2112

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9679

Females

2598

F40-44

2598

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8096

Females

1917

F40-44

1917

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9230

Females

2574

F40-44

2574

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9235

Females

2672

F40-44

2672

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10392

Females

3178

F40-44

3178

Passing Analysis

Category:
Athletes Passed
4676
Passed By
354
Net Change
+4322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17479
5K → 10K462156+306#17479#17173
10K → 15K34488+256#17173#16917
15K → 20K44551+394#16917#16523
20K → Half1571+156#16523#16367
Half → 25K5803+577#16367#15790
25K → 30K8342+832#15790#14958
30K → 20M3329+323#14958#14635
20M → 21M3132+311#14635#14324
21M → 35K2470+247#14324#14077
35K → 23M3009+291#14077#13786
23M → 24M2945+289#13786#13497
24M → 40K1885+183#13497#13314
40K → 25.2M763+73#13314#13241
25.2M → Finish10420+84#13241#13157
TOTALS4676354+4322
📊

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