Chewey B Lam

Bib: 8209M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:31
Rank: #18184
Start5K
25:31 | 8:13/mi
10K· 6.21 mi
50:53
Rank: #17895 (+289)
5K10K
25:22 | 8:10/mi
15K· 9.32 mi
1:16:36
Rank: #17873 (+22)
10K15K
25:43 | 8:17/mi
20K· 12.43 mi
1:43:15
Rank: #18042 (-169)
15K20K
26:39 | 8:35/mi
Half· 13.11 mi
1:48:49
Rank: #17980 (+62)
20KHalf
5:34 | 8:10/mi
25K· 15.53 mi
2:09:11
Rank: #17677 (+303)
Half25K
20:22 | 8:24/mi
30K· 18.64 mi
2:36:16
Rank: #17355 (+322)
25K30K
27:05 | 8:43/mi
20M
2:48:00
Rank: #17123 (+232)
30K20M
11:44 | 8:38/mi
21M
2:56:54
Rank: #16853 (+270)
20M21M
8:54 | 8:54/mi
35K· 21.75 mi
3:02:48
Rank: #16651 (+202)
21M35K
5:54 | 7:53/mi
23M
3:12:46
Rank: #16205 (+446)
35K23M
9:58 | 7:58/mi
24M
3:20:15
Rank: #15854 (+351)
23M24M
7:29 | 7:29/mi
40K· 24.85 mi
3:26:46
Rank: #15544 (+310)
24M40K
6:31 | 7:37/mi
25.2M
3:30:00
Rank: #15521 (+23)
40K25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:38:22
Rank: #15454 (+67)
25.2MFinish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:48:49
Pace8:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:33
Pace8:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:4325:318:1325:31
8:13
-
10K
6.21 mi11:01:0550:538:1125:22
8:10
-0:03
15K
9.32 mi11:26:481:16:368:1325:43
8:17
+0:07
20K
12.43 mi11:53:271:43:158:1826:39
8:35
+0:18
Half
13.11 mi11:59:011:48:498:185:34
8:10
-0:25
25K
15.53 mi12:19:232:09:118:1920:22
8:24
+0:14
30K
18.64 mi12:46:282:36:168:2327:05
8:43
+0:19
20M
20.00 mi12:58:122:48:008:2411:44
8:38
-0:05
21M
21.00 mi13:07:062:56:548:258:54
8:54
+0:16
35K
21.75 mi13:13:003:02:488:245:54
7:53
-1:01
23M
23.00 mi13:22:583:12:468:239:58
7:58
+0:05
24M
24.00 mi13:30:273:20:158:217:29
7:29
-0:29
40K
24.85 mi13:36:583:26:468:196:31
7:37
+0:08
25.2M
25.20 mi13:40:123:30:008:203:14
9:23
+1:46
Finish
26.22 mi13:48:343:38:228:208:22
8:13
-1:10

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

7:29 /mi

Average Pace

8:20 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:52

14% of race

Time at Steady Pace

1:50:54

51% of race

Time at Slower Pace

1:17:36

36% of race

Average Pace: 8:20 /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 mi10:35:4325:318:1325:31
8:13
#18184
10K
6.21 mi11:01:0550:538:1125:22
8:10
#17895
15K
9.32 mi11:26:481:16:368:1325:43
8:17
#17873
20K
12.43 mi11:53:271:43:158:1826:39
8:35
#18042
Half
13.11 mi11:59:011:48:498:185:34
8:10
#17980
25K
15.53 mi12:19:232:09:118:1920:22
8:24
#17677
30K
18.64 mi12:46:282:36:168:2327:05
8:43
#17355
20M
20.00 mi12:58:122:48:008:2411:44
8:38
#17123
21M
21.00 mi13:07:062:56:548:258:54
8:54
#16853
35K
21.75 mi13:13:003:02:488:245:54
7:53
#16651
23M
23.00 mi13:22:583:12:468:239:58
7:58
#16205
24M
24.00 mi13:30:273:20:158:217:29
7:29
#15854
40K
24.85 mi13:36:583:26:468:196:31
7:37
#15544
25.2M
25.20 mi13:40:123:30:008:203:14
9:23
#15521
Finish
26.22 mi13:48:343:38:228:208:22
8:13
#15454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18184116751167517877(Top 63%)11579(Top 72%)11579(Top 515%)
10K6.21 mi3.10 mi17895+28911577+9811577+9817641(Top 62%)11504(Top 71%)11504(Top 512%)
15K9.32 mi3.11 mi17873+2211571+611571+617877(Top 63%)11579(Top 72%)11579(Top 515%)
20K12.43 mi3.11 mi18042-16911636-6511636-6518703(Top 66%)11901(Top 74%)11901(Top 530%)
Half13.11 mi0.68 mi17980+6211604+3211604+3216959(Top 60%)11150(Top 69%)11150(Top 496%)
25K15.53 mi2.42 mi17677+30311465+13911465+13916561(Top 58%)10899(Top 68%)10899(Top 485%)
30K18.64 mi3.11 mi17355+32211272+19311272+19316086(Top 57%)10529(Top 65%)10529(Top 469%)
20M20.00 mi1.36 mi17123+23211154+11811154+11814620(Top 51%)9743(Top 60%)9743(Top 434%)
21M21.00 mi1.00 mi16853+27011018+13611018+13612915(Top 45%)8815(Top 55%)8815(Top 392%)
35K21.75 mi0.75 mi16651+20210910+10810910+10811462(Top 40%)8096(Top 50%)8096(Top 360%)
23M23.00 mi1.25 mi16205+44610696+21410696+2149747(Top 34%)7115(Top 44%)7115(Top 317%)
24M24.00 mi1.00 mi15854+35110516+18010516+1807582(Top 27%)5871(Top 36%)5871(Top 261%)
40K24.85 mi0.85 mi15544+31010350+16610350+1667567(Top 27%)5772(Top 36%)5772(Top 257%)
25.2M25.20 mi0.35 mi15521+2310326+2410326+2413847(Top 49%)8881(Top 55%)8881(Top 395%)
Finish26.22 mi1.02 mi15454+6710277+4910277+4914320(Top 50%)9174(Top 57%)9174(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17877

Males

11579

M40-44

11579

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17641

Males

11504

M40-44

11504

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17877

Males

11579

M40-44

11579

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18703

Males

11901

M40-44

11901

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16959

Males

11150

M40-44

11150

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16561

Males

10899

M40-44

10899

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16086

Males

10529

M40-44

10529

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14620

Males

9743

M40-44

9743

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12915

Males

8815

M40-44

8815

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11462

Males

8096

M40-44

8096

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9747

Males

7115

M40-44

7115

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7582

Males

5871

M40-44

5871

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7567

Males

5772

M40-44

5772

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13847

Males

8881

M40-44

8881

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14320

Males

9174

M40-44

9174

Passing Analysis

Category:
Athletes Passed
3554
Passed By
824
Net Change
+2730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18184
5K10K447158+289#18184#17895
10K15K204182+22#17895#17873
15K20K134303-169#17873#18042
20KHalf7210+62#18042#17980
Half25K33229+303#17980#17677
25K30K39270+322#17677#17355
30K20M2419+232#17355#17123
20M21M2788+270#17123#16853
21M35K2053+202#16853#16651
35K23M4460+446#16651#16205
23M24M3521+351#16205#15854
24M40K3100+310#15854#15544
40K25.2M4522+23#15544#15521
25.2MFinish9629+67#15521#15454
TOTALS3554824+2730
📊

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