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BOSTON MARATHON 2023

Xiaohui Yang

Bib: 21687•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:11
Rank: #19185
Start → 5K
27:11 | 8:45/mi
10K· 6.21 mi
54:21
Rank: #19384 (-199)
5K → 10K
27:10 | 8:45/mi
15K· 9.32 mi
1:21:40
Rank: #19407 (-23)
10K → 15K
27:19 | 8:48/mi
20K· 12.43 mi
1:49:07
Rank: #19230 (+177)
15K → 20K
27:27 | 8:50/mi
Half· 13.11 mi
1:55:04
Rank: #19215 (+15)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:16:41
Rank: #19081 (+134)
Half → 25K
21:37 | 8:55/mi
30K· 18.64 mi
2:44:37
Rank: #18743 (+338)
25K → 30K
27:56 | 8:59/mi
20M
2:56:53
Rank: #18577 (+166)
30K → 20M
12:16 | 9:02/mi
21M
3:06:19
Rank: #18383 (+194)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
3:12:44
Rank: #18284 (+99)
21M → 35K
6:25 | 8:35/mi
23M
3:24:10
Rank: #18188 (+96)
35K → 23M
11:26 | 9:08/mi
24M
3:33:07
Rank: #18150 (+38)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:40:52
Rank: #18085 (+65)
24M → 40K
7:45 | 9:04/mi
25.2M
3:44:15
Rank: #18059 (+26)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:53:23
Rank: #18064 (-5)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:04
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time1:58:19
Pace9:02 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2727:118:4527:11
8:45
-
10K
6.21 mi11:49:3754:218:4527:10
8:45
0:00
15K
9.32 mi12:16:561:21:408:4627:19
8:48
+0:03
20K
12.43 mi12:44:231:49:078:4727:27
8:50
+0:02
Half
13.11 mi12:50:201:55:048:475:57
8:43
-0:07
25K
15.53 mi13:11:572:16:418:4821:37
8:55
+0:12
30K
18.64 mi13:39:532:44:378:5027:56
8:59
+0:04
20M
20.00 mi13:52:092:56:538:5112:16
9:02
+0:03
21M
21.00 mi14:01:353:06:198:529:26
9:26
+0:24
35K
21.75 mi14:08:003:12:448:526:25
8:35
-0:51
23M
23.00 mi14:19:263:24:108:5311:26
9:08
+0:33
24M
24.00 mi14:28:233:33:078:538:57
8:57
-0:11
40K
24.85 mi14:36:083:40:528:537:45
9:04
+0:07
25.2M
25.20 mi14:39:313:44:158:543:23
9:49
+0:45
Finish
26.22 mi14:48:393:53:238:549:08
8:58
-0:51

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

8:35 /mi

Average Pace

8:54 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:00

99% of race

Time at Steady Pace

3:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:22:2727:118:4527:11
8:45
#19185
10K
6.21 mi11:49:3754:218:4527:10
8:45
#19384
15K
9.32 mi12:16:561:21:408:4627:19
8:48
#19407
20K
12.43 mi12:44:231:49:078:4727:27
8:50
#19230
Half
13.11 mi12:50:201:55:048:475:57
8:43
#19215
25K
15.53 mi13:11:572:16:418:4821:37
8:55
#19081
30K
18.64 mi13:39:532:44:378:5027:56
8:59
#18743
20M
20.00 mi13:52:092:56:538:5112:16
9:02
#18577
21M
21.00 mi14:01:353:06:198:529:26
9:26
#18383
35K
21.75 mi14:08:003:12:448:526:25
8:35
#18284
23M
23.00 mi14:19:263:24:108:5311:26
9:08
#18188
24M
24.00 mi14:28:233:33:078:538:57
8:57
#18150
40K
24.85 mi14:36:083:40:528:537:45
9:04
#18085
25.2M
25.20 mi14:39:313:44:158:543:23
9:49
#18059
Finish
26.22 mi14:48:393:53:238:549:08
8:58
#18064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi191857319731919470(Top 73%)7376(Top 65%)7376(Top 611%)
10K6.21 mi3.10 mi19384-1997391-727391-7219654(Top 74%)7483(Top 66%)7483(Top 620%)
15K9.32 mi3.11 mi19407-237396-57396-519470(Top 73%)7376(Top 65%)7376(Top 611%)
20K12.43 mi3.11 mi19230+1777255+1417255+14118861(Top 71%)7003(Top 61%)7003(Top 580%)
Half13.11 mi0.68 mi19215+157244+117244+1119084(Top 72%)7126(Top 62%)7126(Top 590%)
25K15.53 mi2.42 mi19081+1347163+817163+8118547(Top 70%)6879(Top 60%)6879(Top 570%)
30K18.64 mi3.11 mi18743+3386998+1656998+16517136(Top 64%)6150(Top 54%)6150(Top 510%)
20M20.00 mi1.36 mi18577+1666916+826916+8216719(Top 63%)5992(Top 52%)5992(Top 496%)
21M21.00 mi1.00 mi18383+1946819+976819+9715681(Top 59%)5452(Top 48%)5452(Top 452%)
35K21.75 mi0.75 mi18284+996771+486771+4815785(Top 59%)5580(Top 49%)5580(Top 462%)
23M23.00 mi1.25 mi18188+966720+516720+5116717(Top 63%)6148(Top 54%)6148(Top 509%)
24M24.00 mi1.00 mi18150+386713+76713+717019(Top 64%)6369(Top 56%)6369(Top 528%)
40K24.85 mi0.85 mi18085+656687+266687+2616514(Top 62%)6144(Top 54%)6144(Top 509%)
25.2M25.20 mi0.35 mi18059+266681+66681+616658(Top 63%)6247(Top 55%)6247(Top 518%)
Finish26.22 mi1.02 mi18064-56691-106691-1017810(Top 67%)6814(Top 60%)6814(Top 565%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19470

Females

7376

F50-54

7376

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19654

Females

7483

F50-54

7483

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19470

Females

7376

F50-54

7376

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18861

Females

7003

F50-54

7003

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19084

Females

7126

F50-54

7126

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18547

Females

6879

F50-54

6879

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17136

Females

6150

F50-54

6150

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16719

Females

5992

F50-54

5992

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15681

Females

5452

F50-54

5452

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15785

Females

5580

F50-54

5580

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16717

Females

6148

F50-54

6148

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17019

Females

6369

F50-54

6369

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16514

Females

6144

F50-54

6144

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16658

Females

6247

F50-54

6247

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17810

Females

6814

F50-54

6814

Passing Analysis

Category:
Athletes Passed
2119
Passed By
998
Net Change
+1121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19185
5K → 10K245444-199#19185#19384
10K → 15K174197-23#19384#19407
15K → 20K25275+177#19407#19230
20K → Half3116+15#19230#19215
Half → 25K17945+134#19215#19081
25K → 30K36729+338#19081#18743
30K → 20M18115+166#18743#18577
20M → 21M21016+194#18577#18383
21M → 35K1023+99#18383#18284
35K → 23M13236+96#18284#18188
23M → 24M7234+38#18188#18150
24M → 40K8015+65#18150#18085
40K → 25.2M3812+26#18085#18059
25.2M → Finish5661-5#18059#18064
TOTALS2119998+1121
📊

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