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BOSTON MARATHON 2023

Wenni Zhou

Bib: 16194•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:38
Rank: #10614
Start → 5K
7:36/mi
23:38 split
10K· 6.21 mi
47:26
Rank: #11216 (-602)
5K → 10K
7:40/mi
23:48 split
15K· 9.32 mi
1:11:36
Rank: #11631 (-415)
10K → 15K
7:47/mi
24:10 split
20K· 12.43 mi
1:35:56
Rank: #11687 (-56)
15K → 20K
7:50/mi
24:20 split
Half· 13.11 mi
1:41:17
Rank: #11769 (-82)
20K → Half
7:50/mi
5:21 split
25K· 15.53 mi
2:00:23
Rank: #11723 (+46)
Half → 25K
7:53/mi
19:06 split
30K· 18.64 mi
2:25:21
Rank: #11591 (+132)
25K → 30K
8:02/mi
24:58 split
20M
2:36:13
Rank: #11455 (+136)
30K → 20M
8:00/mi
10:52 split
21M
2:44:58
Rank: #11481 (-26)
20M → 21M
8:45/mi
8:45 split
35K· 21.75 mi
2:50:44
Rank: #11396 (+85)
21M → 35K
7:42/mi
5:46 split
23M
3:01:05
Rank: #11420 (-24)
35K → 23M
8:16/mi
10:21 split
24M
3:08:59
Rank: #11365 (+55)
23M → 24M
7:54/mi
7:54 split
40K· 24.85 mi
3:16:00
Rank: #11354 (+11)
24M → 40K
8:12/mi
7:01 split
25.2M
3:19:09
Rank: #11391 (-37)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:27:33
Rank: #11472 (-81)
25.2M → Finish
8:15/mi
8:24 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1523:387:3623:38
7:36
-
10K
6.21 mi11:41:0347:267:3823:48
7:40
+0:04
15K
9.32 mi12:05:131:11:367:4124:10
7:47
+0:07
20K
12.43 mi12:29:331:35:567:4324:20
7:50
+0:03
Half
13.11 mi12:34:541:41:177:445:21
7:50
0:00
25K
15.53 mi12:54:002:00:237:4519:06
7:53
+0:03
30K
18.64 mi13:18:582:25:217:4824:58
8:02
+0:09
20M
20.00 mi13:29:502:36:137:4910:52
8:00
-0:02
21M
21.00 mi13:38:352:44:587:518:45
8:45
+0:45
35K
21.75 mi13:44:212:50:447:515:46
7:42
-1:03
23M
23.00 mi13:54:423:01:057:5210:21
8:16
+0:34
24M
24.00 mi14:02:363:08:597:527:54
7:54
-0:22
40K
24.85 mi14:09:373:16:007:537:01
8:12
+0:18
25.2M
25.20 mi14:12:463:19:097:543:09
9:08
+0:56
Finish
26.22 mi14:21:103:27:337:558:24
8:15
-0:53

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

7:36 /mi

Average Pace

7:55 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:26

23% of race

Time at Steady Pace

2:02:27

59% of race

Time at Slower Pace

37:40

18% of race

Average Pace: 7:55 /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 mi11:17:1523:387:3623:38
7:36
#10614
10K
6.21 mi11:41:0347:267:3823:48
7:40
#11216
15K
9.32 mi12:05:131:11:367:4124:10
7:47
#11631
20K
12.43 mi12:29:331:35:567:4324:20
7:50
#11687
Half
13.11 mi12:34:541:41:177:445:21
7:50
#11769
25K
15.53 mi12:54:002:00:237:4519:06
7:53
#11723
30K
18.64 mi13:18:582:25:217:4824:58
8:02
#11591
20M
20.00 mi13:29:502:36:137:4910:52
8:00
#11455
21M
21.00 mi13:38:352:44:587:518:45
8:45
#11481
35K
21.75 mi13:44:212:50:447:515:46
7:42
#11396
23M
23.00 mi13:54:423:01:057:5210:21
8:16
#11420
24M
24.00 mi14:02:363:08:597:527:54
7:54
#11365
40K
24.85 mi14:09:373:16:007:537:01
8:12
#11354
25.2M
25.20 mi14:12:463:19:097:543:09
9:08
#11391
Finish
26.22 mi14:21:103:27:337:558:24
8:15
#11472
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106142147214712539(Top 47%)3206(Top 28%)3206(Top 66%)
10K6.21 mi3.10 mi11216-6022450-3032450-30311900(Top 45%)2807(Top 25%)2807(Top 57%)
15K9.32 mi3.11 mi11631-4152682-2322682-23212539(Top 47%)3206(Top 28%)3206(Top 66%)
20K12.43 mi3.11 mi11687-562735-532735-5312014(Top 45%)2981(Top 26%)2981(Top 61%)
Half13.11 mi0.68 mi11769-822782-472782-4713120(Top 49%)3554(Top 31%)3554(Top 73%)
25K15.53 mi2.42 mi11723+462770+122770+1211755(Top 44%)2929(Top 26%)2929(Top 60%)
30K18.64 mi3.11 mi11591+1322743+272743+2711201(Top 42%)2741(Top 24%)2741(Top 56%)
20M20.00 mi1.36 mi11455+1362692+512692+5110271(Top 39%)2364(Top 21%)2364(Top 48%)
21M21.00 mi1.00 mi11481-262717-252717-2511980(Top 45%)3382(Top 30%)3382(Top 69%)
35K21.75 mi0.75 mi11396+852685+322685+3210059(Top 38%)2397(Top 21%)2397(Top 49%)
23M23.00 mi1.25 mi11420-242728-432728-4311653(Top 44%)3327(Top 29%)3327(Top 68%)
24M24.00 mi1.00 mi11365+552718+102718+1010549(Top 40%)2856(Top 25%)2856(Top 58%)
40K24.85 mi0.85 mi11354+112735-172735-1711419(Top 43%)3367(Top 29%)3367(Top 69%)
25.2M25.20 mi0.35 mi11391-372769-342769-3413286(Top 50%)4357(Top 38%)4357(Top 89%)
Finish26.22 mi1.02 mi11472-812837-682837-6813727(Top 52%)4586(Top 40%)4586(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12539

Females

3206

F18-39

3206

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11900

Females

2807

F18-39

2807

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12539

Females

3206

F18-39

3206

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12014

Females

2981

F18-39

2981

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13120

Females

3554

F18-39

3554

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11755

Females

2929

F18-39

2929

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11201

Females

2741

F18-39

2741

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10271

Females

2364

F18-39

2364

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11980

Females

3382

F18-39

3382

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10059

Females

2397

F18-39

2397

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11653

Females

3327

F18-39

3327

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10549

Females

2856

F18-39

2856

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11419

Females

3367

F18-39

3367

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13286

Females

4357

F18-39

4357

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13727

Females

4586

F18-39

4586

Passing Analysis

Category:
Athletes Passed
1388
Passed By
2246
Net Change
-858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10614
5K → 10K101703-602#10614#11216
10K → 15K69484-415#11216#11631
15K → 20K141197-56#11631#11687
20K → Half1294-82#11687#11769
Half → 25K162116+46#11769#11723
25K → 30K241109+132#11723#11591
30K → 20M16327+136#11591#11455
20M → 21M85111-26#11455#11481
21M → 35K10318+85#11481#11396
35K → 23M81105-24#11396#11420
23M → 24M8833+55#11420#11365
24M → 40K7564+11#11365#11354
40K → 25.2M1956-37#11354#11391
25.2M → Finish48129-81#11391#11472
TOTALS13882246-858
📊

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