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BOSTON MARATHON 2023

Wern Jyh Chen

Bib: 23660•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:33
Rank: #24648
Start → 5K
32:33 | 10:29/mi
10K· 6.21 mi
1:10:49
Rank: #26012 (-1364)
5K → 10K
38:16 | 12:19/mi
15K· 9.32 mi
1:55:45
Rank: #26465 (-453)
10K → 15K
44:56 | 14:28/mi
20K· 12.43 mi
2:45:28
Rank: #26586 (-121)
15K → 20K
49:43 | 16:00/mi
Half· 13.11 mi
2:56:08
Rank: #26593 (-7)
20K → Half
10:40 | 15:38/mi
25K· 15.53 mi
3:32:30
Rank: #26599 (-6)
Half → 25K
36:22 | 15:00/mi
30K· 18.64 mi
4:19:31
Rank: #26599
25K → 30K
47:01 | 15:08/mi
20M
4:39:24
Rank: #26594 (+5)
30K → 20M
19:53 | 14:38/mi
21M
4:54:27
Rank: #26593 (+1)
20M → 21M
15:03 | 15:03/mi
35K· 21.75 mi
5:05:25
Rank: #26591 (+2)
21M → 35K
10:58 | 14:40/mi
23M
5:24:14
Rank: #26600 (-9)
35K → 23M
18:49 | 15:02/mi
24M
5:39:02
Rank: #26599 (+1)
23M → 24M
14:48 | 14:48/mi
40K· 24.85 mi
5:52:16
Rank: #26599
24M → 40K
13:14 | 15:29/mi
25.2M
5:58:10
Rank: #26599
40K → 25.2M
5:54 | 17:07/mi
Finish· 26.22 mi
6:13:34
Rank: #26600 (-1)
25.2M → Finish
15:24 | 15:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:56:08
Pace13:26 /mi
2nd Half
Distance13.11 mi
Time3:17:26
Pace15:04 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5032:3310:2932:33
10:29
-
10K
6.21 mi12:04:061:10:4911:2438:16
12:19
+1:50
15K
9.32 mi12:49:021:55:4512:2544:56
14:28
+2:09
20K
12.43 mi13:38:452:45:2813:1949:43
16:00
+1:32
Half
13.11 mi13:49:252:56:0813:2610:40
15:38
-0:22
25K
15.53 mi14:25:473:32:3013:4136:22
15:00
-0:38
30K
18.64 mi15:12:484:19:3113:5547:01
15:08
+0:08
20M
20.00 mi15:32:414:39:2413:5819:53
14:38
-0:30
21M
21.00 mi15:47:444:54:2714:0115:03
15:03
+0:25
35K
21.75 mi15:58:425:05:2514:0310:58
14:40
-0:23
23M
23.00 mi16:17:315:24:1414:0618:49
15:02
+0:22
24M
24.00 mi16:32:195:39:0214:0814:48
14:48
-0:14
40K
24.85 mi16:45:335:52:1614:1013:14
15:29
+0:41
25.2M
25.20 mi16:51:275:58:1014:135:54
17:07
+1:38
Finish
26.22 mi17:06:516:13:3414:1515:24
15:07
-2:00

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

10:29 /mi

Average Pace

14:15 /mi

Slowest Pace

17:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:49

19% of race

Time at Steady Pace

4:07:08

66% of race

Time at Slower Pace

55:37

15% of race

Average Pace: 14:15 /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 mi11:25:5032:3310:2932:33
10:29
#24648
10K
6.21 mi12:04:061:10:4911:2438:16
12:19
#26012
15K
9.32 mi12:49:021:55:4512:2544:56
14:28
#26465
20K
12.43 mi13:38:452:45:2813:1949:43
16:00
#26586
Half
13.11 mi13:49:252:56:0813:2610:40
15:38
#26593
25K
15.53 mi14:25:473:32:3013:4136:22
15:00
#26599
30K
18.64 mi15:12:484:19:3113:5547:01
15:08
#26599
20M
20.00 mi15:32:414:39:2413:5819:53
14:38
#26594
21M
21.00 mi15:47:444:54:2714:0115:03
15:03
#26593
35K
21.75 mi15:58:425:05:2514:0310:58
14:40
#26591
23M
23.00 mi16:17:315:24:1414:0618:49
15:02
#26600
24M
24.00 mi16:32:195:39:0214:0814:48
14:48
#26599
40K
24.85 mi16:45:335:52:1614:1013:14
15:29
#26599
25.2M
25.20 mi16:51:275:58:1014:135:54
17:07
#26599
Finish
26.22 mi17:06:516:13:3414:1515:24
15:07
#26600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi24648143841438426608(Top 100%)15167(Top 100%)15167(Top 7121%)
10K6.21 mi3.10 mi26012-136414941-55714941-55726416(Top 99%)15085(Top 99%)15085(Top 7082%)
15K9.32 mi3.11 mi26465-45315103-16215103-16226608(Top 100%)15167(Top 100%)15167(Top 7121%)
20K12.43 mi3.11 mi26586-12115152-4915152-4926613(Top 100%)15170(Top 100%)15170(Top 7122%)
Half13.11 mi0.68 mi26593-715154-215154-226605(Top 100%)15168(Top 100%)15168(Top 7121%)
25K15.53 mi2.42 mi26599-615159-515159-526550(Top 100%)15143(Top 100%)15143(Top 7109%)
30K18.64 mi3.11 mi26599151591515926458(Top 99%)15093(Top 99%)15093(Top 7086%)
20M20.00 mi1.36 mi26594+515156+315156+326166(Top 98%)14936(Top 98%)14936(Top 7012%)
21M21.00 mi1.00 mi26593+115157-115157-125751(Top 97%)14748(Top 97%)14748(Top 6924%)
35K21.75 mi0.75 mi26591+215155+215155+226344(Top 99%)15021(Top 99%)15021(Top 7052%)
23M23.00 mi1.25 mi26600-915161-615161-626304(Top 99%)14995(Top 99%)14995(Top 7040%)
24M24.00 mi1.00 mi26599+115160+115160+126347(Top 99%)15009(Top 99%)15009(Top 7046%)
40K24.85 mi0.85 mi26599151601516026303(Top 99%)14976(Top 99%)14976(Top 7031%)
25.2M25.20 mi0.35 mi26599151601516026388(Top 99%)15026(Top 99%)15026(Top 7054%)
Finish26.22 mi1.02 mi26600-115161-115161-126511(Top 100%)15103(Top 100%)15103(Top 7091%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

26608

Males

15167

M70-74

15167

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26416

Males

15085

M70-74

15085

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

26608

Males

15167

M70-74

15167

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

26613

Males

15170

M70-74

15170

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

26605

Males

15168

M70-74

15168

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

26550

Males

15143

M70-74

15143

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26458

Males

15093

M70-74

15093

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26166

Males

14936

M70-74

14936

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25751

Males

14748

M70-74

14748

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26344

Males

15021

M70-74

15021

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26304

Males

14995

M70-74

14995

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26347

Males

15009

M70-74

15009

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26303

Males

14976

M70-74

14976

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26388

Males

15026

M70-74

15026

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2stories
+22ft-21ft

Overall

26511

Males

15103

M70-74

15103

Passing Analysis

Category:
Athletes Passed
15
Passed By
1967
Net Change
-1952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24648
5K → 10K01364-1364#24648#26012
10K → 15K0453-453#26012#26465
15K → 20K1122-121#26465#26586
20K → Half07-7#26586#26593
Half → 25K17-6#26593#26599
25K → 30K330#26599#26599
30K → 20M50+5#26599#26594
20M → 21M21+1#26594#26593
21M → 35K20+2#26593#26591
35K → 23M09-9#26591#26600
23M → 24M10+1#26600#26599
24M → 40K000#26599#26599
40K → 25.2M000#26599#26599
25.2M → Finish01-1#26599#26600
TOTALS151967-1952
📊

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