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BOSTON MARATHON 2023

Cheng Yen

Bib: 20946•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
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:01
Rank: #16702
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
52:57
Rank: #18038 (-1336)
5K → 10K
26:56 | 8:40/mi
15K· 9.32 mi
1:19:08
Rank: #17791 (+247)
10K → 15K
26:11 | 8:26/mi
20K· 12.43 mi
1:46:06
Rank: #17814 (-23)
15K → 20K
26:58 | 8:41/mi
Half· 13.11 mi
1:52:01
Rank: #17857 (-43)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:13:35
Rank: #17951 (-94)
Half → 25K
21:34 | 8:54/mi
30K· 18.64 mi
2:42:40
Rank: #18141 (-190)
25K → 30K
29:05 | 9:22/mi
20M
2:55:36
Rank: #18206 (-65)
30K → 20M
12:56 | 9:31/mi
21M
3:05:41
Rank: #18241 (-35)
20M → 21M
10:05 | 10:05/mi
35K· 21.75 mi
3:12:28
Rank: #18225 (+16)
21M → 35K
6:47 | 9:04/mi
23M
3:24:10
Rank: #18189 (+36)
35K → 23M
11:42 | 9:21/mi
24M
3:33:18
Rank: #18182 (+7)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:41:04
Rank: #18120 (+62)
24M → 40K
7:46 | 9:05/mi
25.2M
3:44:26
Rank: #18104 (+16)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:53:28
Rank: #18081 (+23)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:01
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:01:27
Pace9:16 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1926:018:2226:01
8:22
-
10K
6.21 mi11:45:1552:578:3126:56
8:40
+0:18
15K
9.32 mi12:11:261:19:088:2926:11
8:26
-0:14
20K
12.43 mi12:38:241:46:068:3226:58
8:41
+0:15
Half
13.11 mi12:44:191:52:018:335:55
8:40
-0:01
25K
15.53 mi13:05:532:13:358:3621:34
8:54
+0:14
30K
18.64 mi13:34:582:42:408:4429:05
9:22
+0:28
20M
20.00 mi13:47:542:55:368:4712:56
9:31
+0:09
21M
21.00 mi13:57:593:05:418:5110:05
10:05
+0:34
35K
21.75 mi14:04:463:12:288:516:47
9:04
-1:01
23M
23.00 mi14:16:283:24:108:5311:42
9:21
+0:17
24M
24.00 mi14:25:363:33:188:539:08
9:08
-0:13
40K
24.85 mi14:33:223:41:048:547:46
9:05
-0:03
25.2M
25.20 mi14:36:443:44:268:543:22
9:46
+0:41
Finish
26.22 mi14:45:463:53:288:559:02
8:52
-0:54

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

8:22 /mi

Average Pace

8:55 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:01

48% of race

Time at Steady Pace

54:17

23% of race

Time at Slower Pace

1:07:10

29% 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 mi11:18:1926:018:2226:01
8:22
#16702
10K
6.21 mi11:45:1552:578:3126:56
8:40
#18038
15K
9.32 mi12:11:261:19:088:2926:11
8:26
#17791
20K
12.43 mi12:38:241:46:068:3226:58
8:41
#17814
Half
13.11 mi12:44:191:52:018:335:55
8:40
#17857
25K
15.53 mi13:05:532:13:358:3621:34
8:54
#17951
30K
18.64 mi13:34:582:42:408:4429:05
9:22
#18141
20M
20.00 mi13:47:542:55:368:4712:56
9:31
#18206
21M
21.00 mi13:57:593:05:418:5110:05
10:05
#18241
35K
21.75 mi14:04:463:12:288:516:47
9:04
#18225
23M
23.00 mi14:16:283:24:108:5311:42
9:21
#18189
24M
24.00 mi14:25:363:33:188:539:08
9:08
#18182
40K
24.85 mi14:33:223:41:048:547:46
9:05
#18120
25.2M
25.20 mi14:36:443:44:268:543:22
9:46
#18104
Finish
26.22 mi14:45:463:53:288:559:02
8:52
#18081
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi167025734573417328(Top 65%)6122(Top 54%)6122(Top 507%)
10K6.21 mi3.10 mi18038-13366560-8266560-82619251(Top 72%)7233(Top 63%)7233(Top 599%)
15K9.32 mi3.11 mi17791+2476400+1606400+16017328(Top 65%)6122(Top 54%)6122(Top 507%)
20K12.43 mi3.11 mi17814-236415-156415-1518008(Top 68%)6514(Top 57%)6514(Top 540%)
Half13.11 mi0.68 mi17857-436437-226437-2218808(Top 71%)6965(Top 61%)6965(Top 577%)
25K15.53 mi2.42 mi17951-946511-746511-7418440(Top 69%)6809(Top 60%)6809(Top 564%)
30K18.64 mi3.11 mi18141-1906656-1456656-14518871(Top 71%)7126(Top 62%)7126(Top 590%)
20M20.00 mi1.36 mi18206-656703-476703-4718932(Top 71%)7258(Top 64%)7258(Top 601%)
21M21.00 mi1.00 mi18241-356743-406743-4018336(Top 69%)6955(Top 61%)6955(Top 576%)
35K21.75 mi0.75 mi18225+166740+36740+318191(Top 68%)6943(Top 61%)6943(Top 575%)
23M23.00 mi1.25 mi18189+366721+196721+1917721(Top 67%)6702(Top 59%)6702(Top 555%)
24M24.00 mi1.00 mi18182+76732-116732-1117818(Top 67%)6811(Top 60%)6811(Top 564%)
40K24.85 mi0.85 mi18120+626709+236709+2316593(Top 62%)6183(Top 54%)6183(Top 512%)
25.2M25.20 mi0.35 mi18104+166702+76702+716434(Top 62%)6128(Top 54%)6128(Top 508%)
Finish26.22 mi1.02 mi18081+236699+36699+317357(Top 65%)6565(Top 57%)6565(Top 544%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17328

Females

6122

F50-54

6122

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19251

Females

7233

F50-54

7233

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17328

Females

6122

F50-54

6122

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18008

Females

6514

F50-54

6514

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18808

Females

6965

F50-54

6965

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

18440

Females

6809

F50-54

6809

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18871

Females

7126

F50-54

7126

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18932

Females

7258

F50-54

7258

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18336

Females

6955

F50-54

6955

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18191

Females

6943

F50-54

6943

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17721

Females

6702

F50-54

6702

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17818

Females

6811

F50-54

6811

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16593

Females

6183

F50-54

6183

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16434

Females

6128

F50-54

6128

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17357

Females

6565

F50-54

6565

Passing Analysis

Category:
Athletes Passed
1309
Passed By
2688
Net Change
-1379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16702
5K → 10K421378-1336#16702#18038
10K → 15K33790+247#18038#17791
15K → 20K155178-23#17791#17814
20K → Half1659-43#17814#17857
Half → 25K107201-94#17857#17951
25K → 30K120310-190#17951#18141
30K → 20M64129-65#18141#18206
20M → 21M84119-35#18206#18241
21M → 35K5943+16#18241#18225
35K → 23M9256+36#18225#18189
23M → 24M5346+7#18189#18182
24M → 40K7715+62#18182#18120
40K → 25.2M3115+16#18120#18104
25.2M → Finish7249+23#18104#18081
TOTALS13092688-1379
📊

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