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BOSTON MARATHON 2025

Jessica Yu

Bib: 23537•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 35%
Division (F55-59)
#0 / 994
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:05
Rank: #19286
Start → 5K
26:05 | 8:24/mi
10K· 6.21 mi
51:44
Rank: #18774 (+512)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:17:12
Rank: #18300 (+474)
10K → 15K
25:28 | 8:12/mi
20K· 12.43 mi
1:43:15
Rank: #18047 (+253)
15K → 20K
26:03 | 8:23/mi
Half· 13.11 mi
1:48:54
Rank: #18024 (+23)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:09:37
Rank: #17888 (+136)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:36:47
Rank: #17540 (+348)
25K → 30K
27:10 | 8:45/mi
20M
2:48:26
Rank: #17276 (+264)
30K → 20M
11:39 | 8:34/mi
21M
2:57:32
Rank: #17054 (+222)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
3:04:09
Rank: #17055 (-1)
21M → 35K
6:37 | 8:51/mi
23M
3:15:05
Rank: #16893 (+162)
35K → 23M
10:56 | 8:44/mi
24M
3:23:37
Rank: #16788 (+105)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:30:54
Rank: #16644 (+144)
24M → 40K
7:17 | 8:31/mi
25.2M
3:34:08
Rank: #16596 (+48)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:42:37
Rank: #16529 (+67)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:54
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:53:43
Pace8:40 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0126:058:2426:05
8:24
-
10K
6.21 mi11:49:4051:448:2025:39
8:15
-0:09
15K
9.32 mi12:15:081:17:128:1725:28
8:12
-0:03
20K
12.43 mi12:41:111:43:158:1826:03
8:23
+0:11
Half
13.11 mi12:46:501:48:548:185:39
8:17
-0:06
25K
15.53 mi13:07:332:09:378:2120:43
8:33
+0:16
30K
18.64 mi13:34:432:36:478:2527:10
8:45
+0:12
20M
20.00 mi13:46:222:48:268:2511:39
8:34
-0:11
21M
21.00 mi13:55:282:57:328:279:06
9:06
+0:32
35K
21.75 mi14:02:053:04:098:286:37
8:51
-0:15
23M
23.00 mi14:13:013:15:058:2910:56
8:44
-0:07
24M
24.00 mi14:21:333:23:378:298:32
8:32
-0:12
40K
24.85 mi14:28:503:30:548:297:17
8:31
-0:01
25.2M
25.20 mi14:32:043:34:088:303:14
9:23
+0:52
Finish
26.22 mi14:40:333:42:378:308:29
8:19
-1:04

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

8:12 /mi

Average Pace

8:30 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:17

94% of race

Time at Steady Pace

12:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:24:0126:058:2426:05
8:24
#19286
10K
6.21 mi11:49:4051:448:2025:39
8:15
#18774
15K
9.32 mi12:15:081:17:128:1725:28
8:12
#18300
20K
12.43 mi12:41:111:43:158:1826:03
8:23
#18047
Half
13.11 mi12:46:501:48:548:185:39
8:17
#18024
25K
15.53 mi13:07:332:09:378:2120:43
8:33
#17888
30K
18.64 mi13:34:432:36:478:2527:10
8:45
#17540
20M
20.00 mi13:46:222:48:268:2511:39
8:34
#17276
21M
21.00 mi13:55:282:57:328:279:06
9:06
#17054
35K
21.75 mi14:02:053:04:098:286:37
8:51
#17055
23M
23.00 mi14:13:013:15:058:2910:56
8:44
#16893
24M
24.00 mi14:21:333:23:378:298:32
8:32
#16788
40K
24.85 mi14:28:503:30:548:297:17
8:31
#16644
25.2M
25.20 mi14:32:043:34:088:303:14
9:23
#16596
Finish
26.22 mi14:40:333:42:378:308:29
8:19
#16529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi192867070707017377(Top 61%)5944(Top 49%)5944(Top 598%)
10K6.21 mi3.10 mi18774+5126779+2916779+29118271(Top 64%)6467(Top 53%)6467(Top 651%)
15K9.32 mi3.11 mi18300+4746507+2726507+27217377(Top 61%)5944(Top 49%)5944(Top 598%)
20K12.43 mi3.11 mi18047+2536357+1506357+15017468(Top 61%)6036(Top 49%)6036(Top 607%)
Half13.11 mi0.68 mi18024+236352+56352+517848(Top 63%)6227(Top 51%)6227(Top 626%)
25K15.53 mi2.42 mi17888+1366289+636289+6317457(Top 61%)6113(Top 50%)6113(Top 615%)
30K18.64 mi3.11 mi17540+3486147+1426147+14216271(Top 57%)5619(Top 46%)5619(Top 565%)
20M20.00 mi1.36 mi17276+2646012+1356012+13514299(Top 50%)4673(Top 38%)4673(Top 470%)
21M21.00 mi1.00 mi17054+2225908+1045908+10414142(Top 50%)4715(Top 39%)4715(Top 474%)
35K21.75 mi0.75 mi17055-15936-285936-2817490(Top 62%)6616(Top 54%)6616(Top 666%)
23M23.00 mi1.25 mi16893+1625874+625874+6214757(Top 52%)5207(Top 43%)5207(Top 524%)
24M24.00 mi1.00 mi16788+1055834+405834+4014764(Top 52%)5252(Top 43%)5252(Top 528%)
40K24.85 mi0.85 mi16644+1445780+545780+5413600(Top 48%)4766(Top 39%)4766(Top 479%)
25.2M25.20 mi0.35 mi16596+485757+235757+2313975(Top 49%)5018(Top 41%)5018(Top 505%)
Finish26.22 mi1.02 mi16529+675745+125745+1215102(Top 53%)5539(Top 45%)5539(Top 557%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17377

Females

5944

F55-59

5944

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18271

Females

6467

F55-59

6467

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17377

Females

5944

F55-59

5944

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17468

Females

6036

F55-59

6036

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17848

Females

6227

F55-59

6227

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17457

Females

6113

F55-59

6113

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16271

Females

5619

F55-59

5619

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14299

Females

4673

F55-59

4673

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14142

Females

4715

F55-59

4715

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17490

Females

6616

F55-59

6616

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14757

Females

5207

F55-59

5207

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14764

Females

5252

F55-59

5252

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13600

Females

4766

F55-59

4766

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13975

Females

5018

F55-59

5018

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15102

Females

5539

F55-59

5539

Passing Analysis

Category:
Athletes Passed
3353
Passed By
596
Net Change
+2757
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19286
5K → 10K60290+512#19286#18774
10K → 15K51642+474#18774#18300
15K → 20K31764+253#18300#18047
20K → Half4724+23#18047#18024
Half → 25K22185+136#18024#17888
25K → 30K41971+348#17888#17540
30K → 20M2739+264#17540#17276
20M → 21M24018+222#17276#17054
21M → 35K6869-1#17054#17055
35K → 23M19735+162#17055#16893
23M → 24M12722+105#16893#16788
24M → 40K16117+144#16788#16644
40K → 25.2M579+48#16644#16596
25.2M → Finish10841+67#16596#16529
TOTALS3353596+2757
📊

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