Lee-Kai Ou

Bib: 29848M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:37
Rank: #22639
Start5K
9:51/mi
30:37 split
10K· 6.21 mi
1:03:38
Rank: #23274 (-635)
5K10K
10:38/mi
33:01 split
15K· 9.32 mi
1:36:16
Rank: #23185 (+89)
10K15K
10:30/mi
32:38 split
20K· 12.43 mi
2:10:48
Rank: #23080 (+105)
15K20K
11:07/mi
34:32 split
Half· 13.11 mi
2:18:20
Rank: #23104 (-24)
20KHalf
11:02/mi
7:32 split
25K· 15.53 mi
2:48:17
Rank: #23253 (-149)
Half25K
12:21/mi
29:57 split
30K· 18.64 mi
3:29:16
Rank: #23372 (-119)
25K30K
13:11/mi
40:59 split
20M
3:46:05
Rank: #23266 (+106)
30K20M
12:22/mi
16:49 split
21M
4:00:13
Rank: #23221 (+45)
20M21M
14:08/mi
14:08 split
35K· 21.75 mi
4:09:56
Rank: #23213 (+8)
21M35K
12:59/mi
9:43 split
23M
4:25:08
Rank: #23122 (+91)
35K23M
12:08/mi
15:12 split
24M
4:37:32
Rank: #23100 (+22)
23M24M
12:24/mi
12:24 split
40K· 24.85 mi
4:47:42
Rank: #23038 (+62)
24M40K
11:53/mi
10:10 split
25.2M
4:52:23
Rank: #23019 (+19)
40K25.2M
13:35/mi
4:41 split
Finish· 26.22 mi
5:03:39
Rank: #22996 (+23)
25.2MFinish
11:03/mi
11:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:20
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:45:19
Pace12:37 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1630:379:5130:37
9:51
-
10K
6.21 mi12:29:171:03:3810:1433:01
10:38
+0:47
15K
9.32 mi13:01:551:36:1610:2032:38
10:30
-0:08
20K
12.43 mi13:36:272:10:4810:3234:32
11:07
+0:37
Half
13.11 mi13:43:592:18:2010:337:32
11:02
-0:05
25K
15.53 mi14:13:562:48:1710:5029:57
12:21
+1:19
30K
18.64 mi14:54:553:29:1611:1440:59
13:11
+0:50
20M
20.00 mi15:11:443:46:0511:1816:49
12:22
-0:49
21M
21.00 mi15:25:524:00:1311:2614:08
14:08
+1:46
35K
21.75 mi15:35:354:09:5611:309:43
12:59
-1:09
23M
23.00 mi15:50:474:25:0811:3215:12
12:08
-0:51
24M
24.00 mi16:03:114:37:3211:3412:24
12:24
+0:16
40K
24.85 mi16:13:214:47:4211:3510:10
11:53
-0:31
25.2M
25.20 mi16:18:024:52:2311:364:41
13:35
+1:42
Finish
26.22 mi16:29:185:03:3911:3511:16
11:03
-2:32

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

9:51 /mi

Average Pace

11:35 /mi

Slowest Pace

14:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:36

49% of race

Time at Steady Pace

1:24:32

28% of race

Time at Slower Pace

1:09:31

23% of race

Average Pace: 11:35 /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 mi11:56:1630:379:5130:37
9:51
#22639
10K
6.21 mi12:29:171:03:3810:1433:01
10:38
#23274
15K
9.32 mi13:01:551:36:1610:2032:38
10:30
#23185
20K
12.43 mi13:36:272:10:4810:3234:32
11:07
#23080
Half
13.11 mi13:43:592:18:2010:337:32
11:02
#23104
25K
15.53 mi14:13:562:48:1710:5029:57
12:21
#23253
30K
18.64 mi14:54:553:29:1611:1440:59
13:11
#23372
20M
20.00 mi15:11:443:46:0511:1816:49
12:22
#23266
21M
21.00 mi15:25:524:00:1311:2614:08
14:08
#23221
35K
21.75 mi15:35:354:09:5611:309:43
12:59
#23213
23M
23.00 mi15:50:474:25:0811:3215:12
12:08
#23122
24M
24.00 mi16:03:114:37:3211:3412:24
12:24
#23100
40K
24.85 mi16:13:214:47:4211:3510:10
11:53
#23038
25.2M
25.20 mi16:18:024:52:2311:364:41
13:35
#23019
Finish
26.22 mi16:29:185:03:3911:3511:16
11:03
#22996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22639133681336822933(Top 90%)13497(Top 93%)13497(Top 698%)
10K6.21 mi3.10 mi23274-63513673-30513673-30523728(Top 93%)13869(Top 95%)13869(Top 717%)
15K9.32 mi3.11 mi23185+8913620+5313620+5322933(Top 90%)13497(Top 93%)13497(Top 698%)
20K12.43 mi3.11 mi23080+10513579+4113579+4122820(Top 89%)13419(Top 92%)13419(Top 693%)
Half13.11 mi0.68 mi23104-2413580-113580-123560(Top 92%)13707(Top 94%)13707(Top 708%)
25K15.53 mi2.42 mi23253-14913616-3613616-3623578(Top 92%)13680(Top 94%)13680(Top 707%)
30K18.64 mi3.11 mi23372-11913635-1913635-1923507(Top 92%)13553(Top 93%)13553(Top 700%)
20M20.00 mi1.36 mi23266+10613552+8313552+8321968(Top 86%)12686(Top 87%)12686(Top 656%)
21M21.00 mi1.00 mi23221+4513520+3213520+3222495(Top 88%)12911(Top 89%)12911(Top 667%)
35K21.75 mi0.75 mi23213+813510+1013510+1023217(Top 91%)13246(Top 91%)13246(Top 685%)
23M23.00 mi1.25 mi23122+9113443+6713443+6721038(Top 82%)12098(Top 83%)12098(Top 625%)
24M24.00 mi1.00 mi23100+2213427+1613427+1622150(Top 87%)12603(Top 86%)12603(Top 651%)
40K24.85 mi0.85 mi23038+6213392+3513392+3520233(Top 79%)11556(Top 79%)11556(Top 597%)
25.2M25.20 mi0.35 mi23019+1913376+1613376+1620876(Top 82%)11903(Top 82%)11903(Top 615%)
Finish26.22 mi1.02 mi22996+2313358+1813358+1821471(Top 84%)12233(Top 84%)12233(Top 632%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

22933

Males

13497

M50-54

13497

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

23728

Males

13869

M50-54

13869

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

22933

Males

13497

M50-54

13497

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22820

Males

13419

M50-54

13419

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

23560

Males

13707

M50-54

13707

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

23578

Males

13680

M50-54

13680

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

23507

Males

13553

M50-54

13553

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

21968

Males

12686

M50-54

12686

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

22495

Males

12911

M50-54

12911

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

23217

Males

13246

M50-54

13246

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21038

Males

12098

M50-54

12098

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

22150

Males

12603

M50-54

12603

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20233

Males

11556

M50-54

11556

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

20876

Males

11903

M50-54

11903

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21471

Males

12233

M50-54

12233

Passing Analysis

Category:
Athletes Passed
1134
Passed By
1491
Net Change
-357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22639
5K10K47682-635#22639#23274
10K15K18495+89#23274#23185
15K20K20196+105#23185#23080
20KHalf2751-24#23080#23104
Half25K73222-149#23104#23253
25K30K92211-119#23253#23372
30K20M11812+106#23372#23266
20M21M7025+45#23266#23221
21M35K3325+8#23221#23213
35K23M10312+91#23213#23122
23M24M4321+22#23122#23100
24M40K697+62#23100#23038
40K25.2M267+19#23038#23019
25.2MFinish4825+23#23019#22996
TOTALS11341491-357
📊

Passing Visuals

Category:
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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