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BOSTON MARATHON 2023

Xiaomei Yang

CA

Bib: 22879 F

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
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:33/mi
26:33
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:49/mi
53:55
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:11/mi
1:22:28
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:25/mi
1:51:44
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:13/mi
1:58:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:30/mi
2:21:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:45/mi
2:51:21
↑ 181↓ 1480.2%
138 ft elev
20M
9:53/mi
3:04:47
↑ 64↓ 500.2%
148 ft elev
21M
10:33/mi
3:15:20
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:11/mi
3:22:12
↑ 17↓ 861.7%
156 ft elev
23M
9:45/mi
3:34:25
↑ 23↓ 630.6%
116 ft elev
24M
9:17/mi
3:43:42
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:42/mi
3:52:00
↓ 200.3%
20 ft elev
25.2M
10:38/mi
3:55:40
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:23/mi
4:05:14
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:58:019:00 /mi⚡ faster
2nd Half
2:07:139:42 /mi+7.8%
Positive split — 7.8% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2726:338:3326:33
8:33
-
10K
6.21 mi11:49:4953:558:4127:22
8:49
+0:16
15K
9.32 mi12:18:221:22:288:5128:33
9:11
+0:22
20K
12.43 mi12:47:381:51:448:5929:16
9:25
+0:14
Half
13.11 mi12:53:551:58:019:006:17
9:13
-0:12
25K
15.53 mi13:16:572:21:039:0523:02
9:30
+0:17
30K
18.64 mi13:47:152:51:219:1230:18
9:45
+0:15
20M
20.00 mi14:00:413:04:479:1413:26
9:53
+0:08
21M
21.00 mi14:11:143:15:209:1810:33
10:33
+0:40
35K
21.75 mi14:18:063:22:129:186:52
9:11
-1:22
23M
23.00 mi14:30:193:34:259:1912:13
9:45
+0:34
24M
24.00 mi14:39:363:43:429:199:17
9:17
-0:28
40K
24.85 mi14:47:543:52:009:208:18
9:42
+0:25
25.2M
25.20 mi14:51:343:55:409:213:40
10:38
+0:56
Finish
26.22 mi15:01:084:05:149:229:34
9:23
-1:15

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

8:33 /mi

Average Pace

9:22 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:55

22% of race

Time at Steady Pace

1:52:51

46% of race

Time at Slower Pace

1:18:28

32% of race

Average Pace: 9:21 /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 mi11:22:2726:338:3326:33
8:33
#17899
10K
6.21 mi11:49:4953:558:4127:22
8:49
#18989
15K
9.32 mi12:18:221:22:288:5128:33
9:11
#19856
20K
12.43 mi12:47:381:51:448:5929:16
9:25
#20322
Half
13.11 mi12:53:551:58:019:006:17
9:13
#20375
25K
15.53 mi13:16:572:21:039:0523:02
9:30
#20474
30K
18.64 mi13:47:152:51:219:1230:18
9:45
#20427
20M
20.00 mi14:00:413:04:479:1413:26
9:53
#20398
21M
21.00 mi14:11:143:15:209:1810:33
10:33
#20337
35K
21.75 mi14:18:063:22:129:186:52
9:11
#20275
23M
23.00 mi14:30:193:34:259:1912:13
9:45
#20206
24M
24.00 mi14:39:363:43:429:199:17
9:17
#20130
40K
24.85 mi14:47:543:52:009:208:18
9:42
#20096
25.2M
25.20 mi14:51:343:55:409:213:40
10:38
#20091
Finish
26.22 mi15:01:084:05:149:229:34
9:23
#20059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi17899649064902127083848384
10K6.21 mi3.10 mi18989-10907144-6547144-6541998676917691
15K9.32 mi3.11 mi19856-8677655-5117655-5112127083848384
20K12.43 mi3.11 mi20322-4667902-2477902-2472130184028402
Half13.11 mi0.68 mi20375-537927-257927-252120783558355
25K15.53 mi2.42 mi20474-997967-407967-402083781828182
30K18.64 mi3.11 mi20427+477970-37970-32030679437943
20M20.00 mi1.36 mi20398+297964+67964+62014279457945
21M21.00 mi1.00 mi20337+617945+197945+191974977907790
35K21.75 mi0.75 mi20275+627915+307915+301868772177217
23M23.00 mi1.25 mi20206+697885+307885+301930275857585
24M24.00 mi1.00 mi20130+767847+387847+381841671237123
40K24.85 mi0.85 mi20096+347838+97838+91906775377537
25.2M25.20 mi0.35 mi20091+57845-77845-71954878137813
Finish26.22 mi1.02 mi20059+327834+117834+111972978537853

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21270

Females

8384

F50-54

8384

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19986

Females

7691

F50-54

7691

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21270

Females

8384

F50-54

8384

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21301

Females

8402

F50-54

8402

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21207

Females

8355

F50-54

8355

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20837

Females

8182

F50-54

8182

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20306

Females

7943

F50-54

7943

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20142

Females

7945

F50-54

7945

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19749

Females

7790

F50-54

7790

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18687

Females

7217

F50-54

7217

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19302

Females

7585

F50-54

7585

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18416

Females

7123

F50-54

7123

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19067

Females

7537

F50-54

7537

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19548

Females

7813

F50-54

7813

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19729

Females

7853

F50-54

7853

Passing Analysis

Category:
Athletes Passed
1010
Passed By
3170
Net Change
-2160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17899
5K → 10K661156-1090#17899#18989
10K → 15K22889-867#18989#19856
15K → 20K62528-466#19856#20322
20K → Half1467-53#20322#20375
Half → 25K72171-99#20375#20474
25K → 30K176129+47#20474#20427
30K → 20M9061+29#20427#20398
20M → 21M10241+61#20398#20337
21M → 35K708+62#20337#20275
35K → 23M10435+69#20275#20206
23M → 24M8711+76#20206#20130
24M → 40K6632+34#20130#20096
40K → 25.2M2318+5#20096#20091
25.2M → Finish5624+32#20091#20059
TOTALS10103170-2160

Passing Charts

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