Kai Liao

Bib: 30831M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:56
Rank: #23343
Start5K
30:56 | 9:57/mi
10K· 6.21 mi
1:00:06
Rank: #22814 (+529)
5K10K
29:10 | 9:23/mi
15K· 9.32 mi
1:29:02
Rank: #22460 (+354)
10K15K
28:56 | 9:19/mi
20K· 12.43 mi
1:59:21
Rank: #22408 (+52)
15K20K
30:19 | 9:45/mi
Half· 13.11 mi
2:05:36
Rank: #22342 (+66)
20KHalf
6:15 | 9:10/mi
25K· 15.53 mi
2:34:39
Rank: #23077 (-735)
Half25K
29:03 | 11:59/mi
30K· 18.64 mi
3:12:58
Rank: #23528 (-451)
25K30K
38:19 | 12:20/mi
20M
3:27:29
Rank: #23429 (+99)
30K20M
14:31 | 10:41/mi
21M
3:40:06
Rank: #23455 (-26)
20M21M
12:37 | 12:37/mi
35K· 21.75 mi
3:49:03
Rank: #23506 (-51)
21M35K
8:57 | 11:58/mi
23M
4:03:19
Rank: #23497 (+9)
35K23M
14:16 | 11:24/mi
24M
4:12:48
Rank: #23359 (+138)
23M24M
9:29 | 9:29/mi
40K· 24.85 mi
4:20:23
Rank: #23153 (+206)
24M40K
7:35 | 8:52/mi
25.2M
4:24:19
Rank: #23129 (+24)
40K25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
4:33:55
Rank: #23031 (+98)
25.2MFinish
9:36 | 9:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:36
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:28:19
Pace11:19 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2830:569:5730:56
9:57
-
10K
6.21 mi12:18:381:00:069:4029:10
9:23
-0:34
15K
9.32 mi12:47:341:29:029:3328:56
9:19
-0:04
20K
12.43 mi13:17:531:59:219:3630:19
9:45
+0:26
Half
13.11 mi13:24:082:05:369:356:15
9:10
-0:35
25K
15.53 mi13:53:112:34:399:5729:03
11:59
+2:49
30K
18.64 mi14:31:303:12:5810:2138:19
12:20
+0:21
20M
20.00 mi14:46:013:27:2910:2214:31
10:41
-1:39
21M
21.00 mi14:58:383:40:0610:2912:37
12:37
+1:56
35K
21.75 mi15:07:353:49:0310:328:57
11:58
-0:39
23M
23.00 mi15:21:514:03:1910:3514:16
11:24
-0:34
24M
24.00 mi15:31:204:12:4810:329:29
9:29
-1:55
40K
24.85 mi15:38:554:20:2310:297:35
8:52
-0:37
25.2M
25.20 mi15:42:514:24:1910:293:56
11:24
+2:32
Finish
26.22 mi15:52:274:33:5510:279:36
9:25
-1:59

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

8:52 /mi

Average Pace

10:27 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:46

16% of race

Time at Steady Pace

1:49:30

40% of race

Time at Slower Pace

2:01:39

44% of race

Average Pace: 10:27 /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 mi11:49:2830:569:5730:56
9:57
#23343
10K
6.21 mi12:18:381:00:069:4029:10
9:23
#22814
15K
9.32 mi12:47:341:29:029:3328:56
9:19
#22460
20K
12.43 mi13:17:531:59:219:3630:19
9:45
#22408
Half
13.11 mi13:24:082:05:369:356:15
9:10
#22342
25K
15.53 mi13:53:112:34:399:5729:03
11:59
#23077
30K
18.64 mi14:31:303:12:5810:2138:19
12:20
#23528
20M
20.00 mi14:46:013:27:2910:2214:31
10:41
#23429
21M
21.00 mi14:58:383:40:0610:2912:37
12:37
#23455
35K
21.75 mi15:07:353:49:0310:328:57
11:58
#23506
23M
23.00 mi15:21:514:03:1910:3514:16
11:24
#23497
24M
24.00 mi15:31:204:12:4810:329:29
9:29
#23359
40K
24.85 mi15:38:554:20:2310:297:35
8:52
#23153
25.2M
25.20 mi15:42:514:24:1910:293:56
11:24
#23129
Finish
26.22 mi15:52:274:33:5510:279:36
9:25
#23031
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23343137511375121680(Top 81%)13057(Top 86%)13057(Top 580%)
10K6.21 mi3.10 mi22814+52913531+22013531+22022191(Top 83%)13252(Top 87%)13252(Top 588%)
15K9.32 mi3.11 mi22460+35413369+16213369+16221680(Top 81%)13057(Top 86%)13057(Top 580%)
20K12.43 mi3.11 mi22408+5213355+1413355+1422303(Top 84%)13317(Top 88%)13317(Top 591%)
Half13.11 mi0.68 mi22342+6613318+3713318+3721033(Top 79%)12753(Top 84%)12753(Top 566%)
25K15.53 mi2.42 mi23077-73513657-33913657-33925145(Top 94%)14523(Top 96%)14523(Top 645%)
30K18.64 mi3.11 mi23528-45113847-19013847-19024841(Top 93%)14338(Top 94%)14338(Top 637%)
20M20.00 mi1.36 mi23429+9913786+6113786+6122101(Top 83%)13039(Top 86%)13039(Top 579%)
21M21.00 mi1.00 mi23455-2613794-813794-823603(Top 89%)13715(Top 90%)13715(Top 609%)
35K21.75 mi0.75 mi23506-5113813-1913813-1924647(Top 93%)14145(Top 93%)14145(Top 628%)
23M23.00 mi1.25 mi23497+913797+1613797+1623061(Top 87%)13421(Top 88%)13421(Top 596%)
24M24.00 mi1.00 mi23359+13813718+7913718+7919149(Top 72%)11602(Top 76%)11602(Top 515%)
40K24.85 mi0.85 mi23153+20613609+10913609+10915455(Top 58%)9888(Top 65%)9888(Top 439%)
25.2M25.20 mi0.35 mi23129+2413594+1513594+1521346(Top 80%)12553(Top 83%)12553(Top 557%)
Finish26.22 mi1.02 mi23031+9813549+4513549+4519838(Top 75%)11917(Top 79%)11917(Top 529%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21680

Males

13057

M45-49

13057

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22191

Males

13252

M45-49

13252

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21680

Males

13057

M45-49

13057

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22303

Males

13317

M45-49

13317

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

21033

Males

12753

M45-49

12753

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25145

Males

14523

M45-49

14523

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24841

Males

14338

M45-49

14338

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22101

Males

13039

M45-49

13039

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23603

Males

13715

M45-49

13715

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24647

Males

14145

M45-49

14145

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23061

Males

13421

M45-49

13421

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19149

Males

11602

M45-49

11602

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15455

Males

9888

M45-49

9888

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21346

Males

12553

M45-49

12553

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19838

Males

11917

M45-49

11917

Passing Analysis

Category:
Athletes Passed
1895
Passed By
1583
Net Change
+312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23343
5K10K58152+529#23343#22814
10K15K38329+354#22814#22460
15K20K156104+52#22460#22408
20KHalf737+66#22408#22342
Half25K11746-735#22342#23077
25K30K20471-451#23077#23528
30K20M1089+99#23528#23429
20M21M2854-26#23429#23455
21M35K1566-51#23455#23506
35K23M4738+9#23506#23497
23M24M1391+138#23497#23359
24M40K2060+206#23359#23153
40K25.2M273+24#23153#23129
25.2MFinish1013+98#23129#23031
TOTALS18951583+312
📊

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