Siu Kit Lui

Bib: 32000M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:01
Rank: #21644
Start5K
29:01 | 9:20/mi
10K· 6.21 mi
56:13
Rank: #20833 (+811)
5K10K
27:12 | 8:45/mi
15K· 9.32 mi
1:23:41
Rank: #20473 (+360)
10K15K
27:28 | 8:50/mi
20K· 12.43 mi
1:51:54
Rank: #20386 (+87)
15K20K
28:13 | 9:05/mi
Half· 13.11 mi
1:57:53
Rank: #20323 (+63)
20KHalf
5:59 | 8:46/mi
25K· 15.53 mi
2:19:49
Rank: #20118 (+205)
Half25K
21:56 | 9:03/mi
30K· 18.64 mi
2:49:05
Rank: #19920 (+198)
25K30K
29:16 | 9:25/mi
20M
3:01:45
Rank: #19751 (+169)
30K20M
12:40 | 9:19/mi
21M
3:11:55
Rank: #19675 (+76)
20M21M
10:10 | 10:10/mi
35K· 21.75 mi
3:18:37
Rank: #19611 (+64)
21M35K
6:42 | 8:57/mi
23M
3:29:54
Rank: #19428 (+183)
35K23M
11:17 | 9:01/mi
24M
3:38:46
Rank: #19299 (+129)
23M24M
8:52 | 8:52/mi
40K· 24.85 mi
3:46:26
Rank: #19183 (+116)
24M40K
7:40 | 8:58/mi
25.2M
3:49:41
Rank: #19122 (+61)
40K25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:58:11
Rank: #18981 (+141)
25.2MFinish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:53
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:00:18
Pace9:11 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2529:019:2029:01
9:20
-
10K
6.21 mi12:16:3756:139:0327:12
8:45
-0:35
15K
9.32 mi12:44:051:23:418:5927:28
8:50
+0:05
20K
12.43 mi13:12:181:51:549:0028:13
9:05
+0:15
Half
13.11 mi13:18:171:57:539:005:59
8:46
-0:19
25K
15.53 mi13:40:132:19:499:0021:56
9:03
+0:17
30K
18.64 mi14:09:292:49:059:0429:16
9:25
+0:22
20M
20.00 mi14:22:093:01:459:0512:40
9:19
-0:06
21M
21.00 mi14:32:193:11:559:0810:10
10:10
+0:51
35K
21.75 mi14:39:013:18:379:086:42
8:57
-1:13
23M
23.00 mi14:50:183:29:549:0811:17
9:01
+0:04
24M
24.00 mi14:59:103:38:469:078:52
8:52
-0:09
40K
24.85 mi15:06:503:46:269:077:40
8:58
+0:06
25.2M
25.20 mi15:10:053:49:419:073:15
9:25
+0:27
Finish
26.22 mi15:18:353:58:119:058:30
8:20
-1:05

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

8:20 /mi

Average Pace

9:05 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:41

18% of race

Time at Steady Pace

1:52:08

47% of race

Time at Slower Pace

1:24:22

35% of race

Average Pace: 9:05 /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 mi11:49:2529:019:2029:01
9:20
#21644
10K
6.21 mi12:16:3756:139:0327:12
8:45
#20833
15K
9.32 mi12:44:051:23:418:5927:28
8:50
#20473
20K
12.43 mi13:12:181:51:549:0028:13
9:05
#20386
Half
13.11 mi13:18:171:57:539:005:59
8:46
#20323
25K
15.53 mi13:40:132:19:499:0021:56
9:03
#20118
30K
18.64 mi14:09:292:49:059:0429:16
9:25
#19920
20M
20.00 mi14:22:093:01:459:0512:40
9:19
#19751
21M
21.00 mi14:32:193:11:559:0810:10
10:10
#19675
35K
21.75 mi14:39:013:18:379:086:42
8:57
#19611
23M
23.00 mi14:50:183:29:549:0811:17
9:01
#19428
24M
24.00 mi14:59:103:38:469:078:52
8:52
#19299
40K
24.85 mi15:06:503:46:269:077:40
8:58
#19183
25.2M
25.20 mi15:10:053:49:419:073:15
9:25
#19122
Finish
26.22 mi15:18:353:58:119:058:30
8:20
#18981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21644129071290719728(Top 74%)12187(Top 80%)12187(Top 594%)
10K6.21 mi3.10 mi20833+81112588+31912588+31919698(Top 74%)12166(Top 80%)12166(Top 593%)
15K9.32 mi3.11 mi20473+36012450+13812450+13819728(Top 74%)12187(Top 80%)12187(Top 594%)
20K12.43 mi3.11 mi20386+8712429+2112429+2120047(Top 75%)12323(Top 81%)12323(Top 601%)
Half13.11 mi0.68 mi20323+6312402+2712402+2719310(Top 73%)12016(Top 79%)12016(Top 586%)
25K15.53 mi2.42 mi20118+20512325+7712325+7719179(Top 72%)11924(Top 79%)11924(Top 581%)
30K18.64 mi3.11 mi19920+19812212+11312212+11319124(Top 72%)11842(Top 78%)11842(Top 577%)
20M20.00 mi1.36 mi19751+16912139+7312139+7318104(Top 68%)11287(Top 74%)11287(Top 550%)
21M21.00 mi1.00 mi19675+7612100+3912100+3918597(Top 70%)11471(Top 76%)11471(Top 559%)
35K21.75 mi0.75 mi19611+6412063+3712063+3717718(Top 67%)11026(Top 73%)11026(Top 537%)
23M23.00 mi1.25 mi19428+18311985+7811985+7816122(Top 61%)10297(Top 68%)10297(Top 502%)
24M24.00 mi1.00 mi19299+12911921+6411921+6416572(Top 62%)10444(Top 69%)10444(Top 509%)
40K24.85 mi0.85 mi19183+11611860+6111860+6115959(Top 60%)10120(Top 67%)10120(Top 493%)
25.2M25.20 mi0.35 mi19122+6111828+3211828+3214813(Top 56%)9617(Top 63%)9617(Top 469%)
Finish26.22 mi1.02 mi18981+14111758+7011758+7014347(Top 54%)9419(Top 62%)9419(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19728

Males

12187

M50-54

12187

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19698

Males

12166

M50-54

12166

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19728

Males

12187

M50-54

12187

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

20047

Males

12323

M50-54

12323

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19310

Males

12016

M50-54

12016

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19179

Males

11924

M50-54

11924

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19124

Males

11842

M50-54

11842

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18104

Males

11287

M50-54

11287

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18597

Males

11471

M50-54

11471

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17718

Males

11026

M50-54

11026

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16122

Males

10297

M50-54

10297

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16572

Males

10444

M50-54

10444

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15959

Males

10120

M50-54

10120

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14813

Males

9617

M50-54

9617

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14347

Males

9419

M50-54

9419

Passing Analysis

Category:
Athletes Passed
3073
Passed By
410
Net Change
+2663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21644
5K10K86251+811#21644#20833
10K15K40848+360#20833#20473
15K20K204117+87#20473#20386
20KHalf696+63#20386#20323
Half25K24136+205#20323#20118
25K30K25961+198#20118#19920
30K20M1778+169#19920#19751
20M21M11640+76#19751#19675
21M35K7612+64#19675#19611
35K23M19310+183#19611#19428
23M24M1367+129#19428#19299
24M40K1237+116#19299#19183
40K25.2M632+61#19183#19122
25.2MFinish1465+141#19122#18981
TOTALS3073410+2663
📊

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