Lai Kam Cheong

Bib: 18160M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M55-59)
#0 / 1648
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #10266
Start5K
7:17/mi
22:39 split
10K· 6.21 mi
46:14
Rank: #11616 (-1350)
5K10K
7:35/mi
23:35 split
15K· 9.32 mi
1:10:45
Rank: #12781 (-1165)
10K15K
7:53/mi
24:31 split
20K· 12.43 mi
1:35:31
Rank: #13247 (-466)
15K20K
7:58/mi
24:46 split
Half· 13.11 mi
1:40:53
Rank: #13313 (-66)
20KHalf
7:52/mi
5:22 split
25K· 15.53 mi
2:00:20
Rank: #13402 (-89)
Half25K
8:01/mi
19:27 split
30K· 18.64 mi
2:26:08
Rank: #13405 (-3)
25K30K
8:18/mi
25:48 split
20M
2:37:33
Rank: #13355 (+50)
30K20M
8:24/mi
11:25 split
21M
2:46:36
Rank: #13342 (+13)
20M21M
9:03/mi
9:03 split
35K· 21.75 mi
2:52:32
Rank: #13265 (+77)
21M35K
7:56/mi
5:56 split
23M
3:02:56
Rank: #13182 (+83)
35K23M
8:18/mi
10:24 split
24M
3:11:04
Rank: #13116 (+66)
23M24M
8:08/mi
8:08 split
40K· 24.85 mi
3:18:12
Rank: #13074 (+42)
24M40K
8:21/mi
7:08 split
25.2M
3:21:27
Rank: #13085 (-11)
40K25.2M
9:25/mi
3:15 split
Finish· 26.22 mi
3:29:23
Rank: #13036 (+49)
25.2MFinish
7:47/mi
7:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:4622:397:1722:39
7:17
-
10K
6.21 mi11:36:2146:147:2623:35
7:35
+0:18
15K
9.32 mi12:00:521:10:457:3524:31
7:53
+0:18
20K
12.43 mi12:25:381:35:317:4124:46
7:58
+0:05
Half
13.11 mi12:31:001:40:537:425:22
7:52
-0:06
25K
15.53 mi12:50:272:00:207:4519:27
8:01
+0:09
30K
18.64 mi13:16:152:26:087:5025:48
8:18
+0:17
20M
20.00 mi13:27:402:37:337:5311:25
8:24
+0:06
21M
21.00 mi13:36:432:46:367:569:03
9:03
+0:39
35K
21.75 mi13:42:392:52:327:565:56
7:56
-1:07
23M
23.00 mi13:53:033:02:567:5710:24
8:18
+0:22
24M
24.00 mi14:01:113:11:047:588:08
8:08
-0:10
40K
24.85 mi14:08:193:18:127:587:08
8:21
+0:13
25.2M
25.20 mi14:11:343:21:278:003:15
9:25
+1:04
Finish
26.22 mi14:19:303:29:238:007:56
7:47
-1:38

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

7:17 /mi

Average Pace

8:00 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:14

22% of race

Time at Steady Pace

1:36:06

46% of race

Time at Slower Pace

1:07:03

32% of race

Average Pace: 7:59 /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 mi11:12:4622:397:1722:39
7:17
#10266
10K
6.21 mi11:36:2146:147:2623:35
7:35
#11616
15K
9.32 mi12:00:521:10:457:3524:31
7:53
#12781
20K
12.43 mi12:25:381:35:317:4124:46
7:58
#13247
Half
13.11 mi12:31:001:40:537:425:22
7:52
#13313
25K
15.53 mi12:50:272:00:207:4519:27
8:01
#13402
30K
18.64 mi13:16:152:26:087:5025:48
8:18
#13405
20M
20.00 mi13:27:402:37:337:5311:25
8:24
#13355
21M
21.00 mi13:36:432:46:367:569:03
9:03
#13342
35K
21.75 mi13:42:392:52:327:565:56
7:56
#13265
23M
23.00 mi13:53:033:02:567:5710:24
8:18
#13182
24M
24.00 mi14:01:113:11:047:588:08
8:08
#13116
40K
24.85 mi14:08:193:18:127:587:08
8:21
#13074
25.2M
25.20 mi14:11:343:21:278:003:15
9:25
#13085
Finish
26.22 mi14:19:303:29:238:007:56
7:47
#13036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi102668313831315147(Top 53%)10435(Top 65%)10435(Top 633%)
10K6.21 mi3.10 mi11616-13508977-6648977-66412920(Top 45%)9558(Top 59%)9558(Top 580%)
15K9.32 mi3.11 mi12781-11659487-5109487-51015147(Top 53%)10435(Top 65%)10435(Top 633%)
20K12.43 mi3.11 mi13247-4669630-1439630-14314693(Top 52%)10168(Top 63%)10168(Top 617%)
Half13.11 mi0.68 mi13313-669658-289658-2814735(Top 52%)10210(Top 63%)10210(Top 620%)
25K15.53 mi2.42 mi13402-899649+99649+914040(Top 49%)9769(Top 61%)9769(Top 593%)
30K18.64 mi3.11 mi13405-39595+549595+5413525(Top 48%)9374(Top 58%)9374(Top 569%)
20M20.00 mi1.36 mi13355+509543+529543+5213142(Top 46%)9051(Top 56%)9051(Top 549%)
21M21.00 mi1.00 mi13342+139507+369507+3613778(Top 49%)9230(Top 57%)9230(Top 560%)
35K21.75 mi0.75 mi13265+779454+539454+5311765(Top 41%)8212(Top 51%)8212(Top 498%)
23M23.00 mi1.25 mi13182+839369+859369+8512067(Top 42%)8267(Top 51%)8267(Top 502%)
24M24.00 mi1.00 mi13116+669309+609309+6012126(Top 43%)8232(Top 51%)8232(Top 500%)
40K24.85 mi0.85 mi13074+429269+409269+4012398(Top 44%)8238(Top 51%)8238(Top 500%)
25.2M25.20 mi0.35 mi13085-119263+69263+614087(Top 50%)8972(Top 56%)8972(Top 544%)
Finish26.22 mi1.02 mi13036+499223+409223+4011310(Top 40%)7669(Top 48%)7669(Top 465%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15147

Males

10435

M55-59

10435

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12920

Males

9558

M55-59

9558

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15147

Males

10435

M55-59

10435

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14693

Males

10168

M55-59

10168

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14735

Males

10210

M55-59

10210

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

14040

Males

9769

M55-59

9769

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13525

Males

9374

M55-59

9374

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13142

Males

9051

M55-59

9051

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13778

Males

9230

M55-59

9230

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11765

Males

8212

M55-59

8212

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

12067

Males

8267

M55-59

8267

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12126

Males

8232

M55-59

8232

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12398

Males

8238

M55-59

8238

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14087

Males

8972

M55-59

8972

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11310

Males

7669

M55-59

7669

Passing Analysis

Category:
Athletes Passed
1320
Passed By
4090
Net Change
-2770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10266
5K10K171367-1350#10266#11616
10K15K241189-1165#11616#12781
15K20K87553-466#12781#13247
20KHalf1884-66#13247#13313
Half25K132221-89#13313#13402
25K30K245248-3#13402#13405
30K20M13989+50#13405#13355
20M21M10693+13#13355#13342
21M35K10326+77#13342#13265
35K23M14966+83#13265#13182
23M24M10135+66#13182#13116
24M40K9250+42#13116#13074
40K25.2M2637-11#13074#13085
25.2MFinish8132+49#13085#13036
TOTALS13204090-2770
📊

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