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BOSTON MARATHON 2025

Judy Feng

Bib: 12005•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:48
Rank: #13609
Start → 5K
23:48 | 7:40/mi
10K· 6.21 mi
47:33
Rank: #13524 (+85)
5K → 10K
23:45 | 7:39/mi
15K· 9.32 mi
1:11:27
Rank: #13459 (+65)
10K → 15K
23:54 | 7:42/mi
20K· 12.43 mi
1:35:27
Rank: #13194 (+265)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:40:39
Rank: #13174 (+20)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:59:16
Rank: #12824 (+350)
Half → 25K
18:37 | 7:41/mi
30K· 18.64 mi
2:23:49
Rank: #12397 (+427)
25K → 30K
24:33 | 7:54/mi
20M
2:34:42
Rank: #12198 (+199)
30K → 20M
10:53 | 8:01/mi
21M
2:43:02
Rank: #11990 (+208)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:48:55
Rank: #11946 (+44)
21M → 35K
5:53 | 7:52/mi
23M
2:58:51
Rank: #11770 (+176)
35K → 23M
9:56 | 7:56/mi
24M
3:06:37
Rank: #11638 (+132)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:13:12
Rank: #11462 (+176)
24M → 40K
6:35 | 7:42/mi
25.2M
3:16:04
Rank: #11361 (+101)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:23:25
Rank: #11154 (+207)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:46
Pace7:50 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3423:487:4023:48
7:40
-
10K
6.21 mi11:19:1947:337:3923:45
7:39
-0:01
15K
9.32 mi11:43:131:11:277:4023:54
7:42
+0:03
20K
12.43 mi12:07:131:35:277:4124:00
7:43
+0:01
Half
13.11 mi12:12:251:40:397:415:12
7:37
-0:06
25K
15.53 mi12:31:021:59:167:4118:37
7:41
+0:04
30K
18.64 mi12:55:352:23:497:4324:33
7:54
+0:13
20M
20.00 mi13:06:282:34:427:4410:53
8:01
+0:07
21M
21.00 mi13:14:482:43:027:468:20
8:20
+0:19
35K
21.75 mi13:20:412:48:557:465:53
7:52
-0:28
23M
23.00 mi13:30:372:58:517:479:56
7:56
+0:04
24M
24.00 mi13:38:233:06:377:477:46
7:46
-0:10
40K
24.85 mi13:44:583:13:127:466:35
7:42
-0:04
25.2M
25.20 mi13:47:503:16:047:472:52
8:19
+0:37
Finish
26.22 mi13:55:113:23:257:467:21
7:13
-1:06

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

7:13 /mi

Average Pace

7:46 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:20

89% of race

Time at Steady Pace

22:05

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:55:3423:487:4023:48
7:40
#13609
10K
6.21 mi11:19:1947:337:3923:45
7:39
#13524
15K
9.32 mi11:43:131:11:277:4023:54
7:42
#13459
20K
12.43 mi12:07:131:35:277:4124:00
7:43
#13194
Half
13.11 mi12:12:251:40:397:415:12
7:37
#13174
25K
15.53 mi12:31:021:59:167:4118:37
7:41
#12824
30K
18.64 mi12:55:352:23:497:4324:33
7:54
#12397
20M
20.00 mi13:06:282:34:427:4410:53
8:01
#12198
21M
21.00 mi13:14:482:43:027:468:20
8:20
#11990
35K
21.75 mi13:20:412:48:557:465:53
7:52
#11946
23M
23.00 mi13:30:372:58:517:479:56
7:56
#11770
24M
24.00 mi13:38:233:06:377:477:46
7:46
#11638
40K
24.85 mi13:44:583:13:127:466:35
7:42
#11462
25.2M
25.20 mi13:47:503:16:047:472:52
8:19
#11361
Finish
26.22 mi13:55:113:23:257:467:21
7:13
#11154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136093657365713430(Top 47%)3692(Top 30%)3692(Top 68%)
10K6.21 mi3.10 mi13524+853658-13658-113420(Top 47%)3614(Top 30%)3614(Top 66%)
15K9.32 mi3.11 mi13459+653661-33661-313430(Top 47%)3692(Top 30%)3692(Top 68%)
20K12.43 mi3.11 mi13194+2653549+1123549+11212631(Top 44%)3342(Top 27%)3342(Top 61%)
Half13.11 mi0.68 mi13174+203543+63543+612782(Top 45%)3361(Top 27%)3361(Top 61%)
25K15.53 mi2.42 mi12824+3503373+1703373+17011391(Top 40%)2795(Top 23%)2795(Top 51%)
30K18.64 mi3.11 mi12397+4273215+1583215+15810664(Top 38%)2629(Top 21%)2629(Top 48%)
20M20.00 mi1.36 mi12198+1993136+793136+7910530(Top 37%)2704(Top 22%)2704(Top 49%)
21M21.00 mi1.00 mi11990+2083063+733063+739467(Top 33%)2363(Top 19%)2363(Top 43%)
35K21.75 mi0.75 mi11946+443062+13062+111322(Top 40%)3274(Top 27%)3274(Top 60%)
23M23.00 mi1.25 mi11770+1763014+483014+489564(Top 34%)2530(Top 21%)2530(Top 46%)
24M24.00 mi1.00 mi11638+1322993+212993+219603(Top 34%)2609(Top 21%)2609(Top 48%)
40K24.85 mi0.85 mi11462+1762935+582935+588132(Top 29%)2059(Top 17%)2059(Top 38%)
25.2M25.20 mi0.35 mi11361+1012902+332902+337807(Top 27%)1996(Top 16%)1996(Top 36%)
Finish26.22 mi1.02 mi11154+2072829+732829+737161(Top 25%)1720(Top 14%)1720(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13430

Females

3692

F18-39

3692

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

13420

Females

3614

F18-39

3614

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13430

Females

3692

F18-39

3692

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12631

Females

3342

F18-39

3342

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12782

Females

3361

F18-39

3361

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11391

Females

2795

F18-39

2795

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10664

Females

2629

F18-39

2629

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10530

Females

2704

F18-39

2704

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9467

Females

2363

F18-39

2363

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11322

Females

3274

F18-39

3274

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9564

Females

2530

F18-39

2530

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9603

Females

2609

F18-39

2609

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8132

Females

2059

F18-39

2059

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7807

Females

1996

F18-39

1996

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7161

Females

1720

F18-39

1720

Passing Analysis

Category:
Athletes Passed
3164
Passed By
709
Net Change
+2455
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13609
5K → 10K319234+85#13609#13524
10K → 15K235170+65#13524#13459
15K → 20K33368+265#13459#13194
20K → Half4323+20#13194#13174
Half → 25K37222+350#13174#12824
25K → 30K47952+427#12824#12397
30K → 20M21819+199#12397#12198
20M → 21M22517+208#12198#11990
21M → 35K8238+44#11990#11946
35K → 23M20428+176#11946#11770
23M → 24M15624+132#11770#11638
24M → 40K1826+176#11638#11462
40K → 25.2M1021+101#11462#11361
25.2M → Finish2147+207#11361#11154
TOTALS3164709+2455
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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