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BOSTON MARATHON 2023

Ken Liang

Bib: 20781•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:09
Rank: #16994
Start → 5K
8:25/mi
26:09 split
10K· 6.21 mi
51:05
Rank: #15966 (+1028)
5K → 10K
8:02/mi
24:56 split
15K· 9.32 mi
1:16:56
Rank: #16205 (-239)
10K → 15K
8:19/mi
25:51 split
20K· 12.43 mi
1:43:25
Rank: #16435 (-230)
15K → 20K
8:31/mi
26:29 split
Half· 13.11 mi
1:49:00
Rank: #16398 (+37)
20K → Half
8:11/mi
5:35 split
25K· 15.53 mi
2:10:02
Rank: #16544 (-146)
Half → 25K
8:41/mi
21:02 split
30K· 18.64 mi
2:37:57
Rank: #16616 (-72)
25K → 30K
8:59/mi
27:55 split
20M
2:50:13
Rank: #16601 (+15)
30K → 20M
9:02/mi
12:16 split
21M
2:59:57
Rank: #16609 (-8)
20M → 21M
9:44/mi
9:44 split
35K· 21.75 mi
3:06:46
Rank: #16693 (-84)
21M → 35K
9:07/mi
6:49 split
23M
3:18:39
Rank: #16806 (-113)
35K → 23M
9:29/mi
11:53 split
24M
3:27:49
Rank: #16877 (-71)
23M → 24M
9:10/mi
9:10 split
40K· 24.85 mi
3:35:48
Rank: #16899 (-22)
24M → 40K
9:20/mi
7:59 split
25.2M
3:39:15
Rank: #16906 (-7)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
3:48:23
Rank: #16949 (-43)
25.2M → Finish
8:58/mi
9:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:00
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:59:23
Pace9:06 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3726:098:2526:09
8:25
-
10K
6.21 mi12:06:3351:058:1324:56
8:02
-0:23
15K
9.32 mi12:32:241:16:568:1525:51
8:19
+0:17
20K
12.43 mi12:58:531:43:258:1926:29
8:31
+0:12
Half
13.11 mi13:04:281:49:008:195:35
8:11
-0:20
25K
15.53 mi13:25:302:10:028:2221:02
8:41
+0:30
30K
18.64 mi13:53:252:37:578:2827:55
8:59
+0:18
20M
20.00 mi14:05:412:50:138:3112:16
9:02
+0:03
21M
21.00 mi14:15:252:59:578:349:44
9:44
+0:42
35K
21.75 mi14:22:143:06:468:356:49
9:07
-0:37
23M
23.00 mi14:34:073:18:398:3811:53
9:29
+0:22
24M
24.00 mi14:43:173:27:498:409:10
9:10
-0:19
40K
24.85 mi14:51:163:35:488:417:59
9:20
+0:10
25.2M
25.20 mi14:54:433:39:158:423:27
10:00
+0:40
Finish
26.22 mi15:03:513:48:238:439:08
8:58
-1:02

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

8:02 /mi

Average Pace

8:43 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:02

57% of race

Time at Steady Pace

1:05:18

29% of race

Time at Slower Pace

33:03

14% of race

Average Pace: 8:43 /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 mi11:41:3726:098:2526:09
8:25
#16994
10K
6.21 mi12:06:3351:058:1324:56
8:02
#15966
15K
9.32 mi12:32:241:16:568:1525:51
8:19
#16205
20K
12.43 mi12:58:531:43:258:1926:29
8:31
#16435
Half
13.11 mi13:04:281:49:008:195:35
8:11
#16398
25K
15.53 mi13:25:302:10:028:2221:02
8:41
#16544
30K
18.64 mi13:53:252:37:578:2827:55
8:59
#16616
20M
20.00 mi14:05:412:50:138:3112:16
9:02
#16601
21M
21.00 mi14:15:252:59:578:349:44
9:44
#16609
35K
21.75 mi14:22:143:06:468:356:49
9:07
#16693
23M
23.00 mi14:34:073:18:398:3811:53
9:29
#16806
24M
24.00 mi14:43:173:27:498:409:10
9:10
#16877
40K
24.85 mi14:51:163:35:488:417:59
9:20
#16899
25.2M
25.20 mi14:54:433:39:158:423:27
10:00
#16906
Finish
26.22 mi15:03:513:48:238:439:08
8:58
#16949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16994110491104916663(Top 63%)10933(Top 72%)10933(Top 985%)
10K6.21 mi3.10 mi15966+102810684+36510684+36514984(Top 56%)10304(Top 68%)10304(Top 928%)
15K9.32 mi3.11 mi16205-23910772-8810772-8816663(Top 63%)10933(Top 72%)10933(Top 985%)
20K12.43 mi3.11 mi16435-23010850-7810850-7817001(Top 64%)11056(Top 73%)11056(Top 996%)
Half13.11 mi0.68 mi16398+3710828+2210828+2215647(Top 59%)10555(Top 70%)10555(Top 951%)
25K15.53 mi2.42 mi16544-14610861-3310861-3317234(Top 65%)11081(Top 73%)11081(Top 998%)
30K18.64 mi3.11 mi16616-7210836+2510836+2517084(Top 64%)10947(Top 72%)10947(Top 986%)
20M20.00 mi1.36 mi16601+1510823+1310823+1316671(Top 63%)10696(Top 70%)10696(Top 964%)
21M21.00 mi1.00 mi16609-8108231082316966(Top 64%)10778(Top 71%)10778(Top 971%)
35K21.75 mi0.75 mi16693-8410855-3210855-3218351(Top 69%)11297(Top 74%)11297(Top 1018%)
23M23.00 mi1.25 mi16806-11310882-2710882-2718290(Top 69%)11257(Top 74%)11257(Top 1014%)
24M24.00 mi1.00 mi16877-7110887-510887-517915(Top 67%)11033(Top 73%)11033(Top 994%)
40K24.85 mi0.85 mi16899-2210876+1110876+1117665(Top 66%)10869(Top 72%)10869(Top 979%)
25.2M25.20 mi0.35 mi16906-710868+810868+817351(Top 65%)10704(Top 71%)10704(Top 964%)
Finish26.22 mi1.02 mi16949-4310877-910877-917770(Top 67%)10954(Top 72%)10954(Top 987%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16663

Males

10933

M60-64

10933

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14984

Males

10304

M60-64

10304

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16663

Males

10933

M60-64

10933

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17001

Males

11056

M60-64

11056

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15647

Males

10555

M60-64

10555

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17234

Males

11081

M60-64

11081

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17084

Males

10947

M60-64

10947

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16671

Males

10696

M60-64

10696

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16966

Males

10778

M60-64

10778

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18351

Males

11297

M60-64

11297

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18290

Males

11257

M60-64

11257

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17915

Males

11033

M60-64

11033

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17665

Males

10869

M60-64

10869

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17351

Males

10704

M60-64

10704

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17770

Males

10954

M60-64

10954

Passing Analysis

Category:
Athletes Passed
2018
Passed By
1973
Net Change
+45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16994
5K → 10K108759+1028#16994#15966
10K → 15K112351-239#15966#16205
15K → 20K90320-230#16205#16435
20K → Half5316+37#16435#16398
Half → 25K91237-146#16398#16544
25K → 30K157229-72#16544#16616
30K → 20M9277+15#16616#16601
20M → 21M9199-8#16601#16609
21M → 35K25109-84#16609#16693
35K → 23M51164-113#16693#16806
23M → 24M39110-71#16806#16877
24M → 40K5476-22#16877#16899
40K → 25.2M2633-7#16899#16906
25.2M → Finish5093-43#16906#16949
TOTALS20181973+45
📊

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