Chi Kin Liu

Bib: 3719M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:43
Rank: #2734
Start5K
19:43 | 6:21/mi
10K· 6.21 mi
39:34
Rank: #2832 (-98)
5K10K
19:51 | 6:23/mi
15K· 9.32 mi
59:51
Rank: #3144 (-312)
10K15K
20:17 | 6:32/mi
20K· 12.43 mi
1:20:49
Rank: #3531 (-387)
15K20K
20:58 | 6:45/mi
Half· 13.11 mi
1:25:21
Rank: #3600 (-69)
20KHalf
4:32 | 6:39/mi
25K· 15.53 mi
1:42:01
Rank: #3796 (-196)
Half25K
16:40 | 6:52/mi
30K· 18.64 mi
2:04:40
Rank: #4211 (-415)
25K30K
22:39 | 7:17/mi
20M
2:14:46
Rank: #4408 (-197)
30K20M
10:06 | 7:26/mi
21M
2:22:36
Rank: #4534 (-126)
20M21M
7:50 | 7:50/mi
35K· 21.75 mi
2:28:01
Rank: #4604 (-70)
21M35K
5:25 | 7:14/mi
23M
2:37:17
Rank: #4686 (-82)
35K23M
9:16 | 7:24/mi
24M
2:44:24
Rank: #4717 (-31)
23M24M
7:07 | 7:07/mi
40K· 24.85 mi
2:50:42
Rank: #4767 (-50)
24M40K
6:18 | 7:22/mi
25.2M
2:53:31
Rank: #4803 (-36)
40K25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:00:49
Rank: #4875 (-72)
25.2MFinish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:35:28
Pace7:17 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4519:436:2119:43
6:21
-
10K
6.21 mi10:41:3639:346:2219:51
6:23
+0:02
15K
9.32 mi11:01:5359:516:2520:17
6:32
+0:09
20K
12.43 mi11:22:511:20:496:3020:58
6:45
+0:13
Half
13.11 mi11:27:231:25:216:314:32
6:39
-0:06
25K
15.53 mi11:44:031:42:016:3416:40
6:52
+0:13
30K
18.64 mi12:06:422:04:406:4122:39
7:17
+0:25
20M
20.00 mi12:16:482:14:466:4410:06
7:26
+0:09
21M
21.00 mi12:24:382:22:366:477:50
7:50
+0:24
35K
21.75 mi12:30:032:28:016:485:25
7:14
-0:36
23M
23.00 mi12:39:192:37:176:509:16
7:24
+0:10
24M
24.00 mi12:46:262:44:246:517:07
7:07
-0:17
40K
24.85 mi12:52:442:50:426:526:18
7:22
+0:15
25.2M
25.20 mi12:55:332:53:316:532:49
8:10
+0:48
Finish
26.22 mi13:02:513:00:496:547:18
7:10
-1:00

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

6:21 /mi

Average Pace

6:54 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:01

56% of race

Time at Steady Pace

58:03

32% of race

Time at Slower Pace

20:45

11% of race

Average Pace: 6:54 /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 mi10:21:4519:436:2119:43
6:21
#2734
10K
6.21 mi10:41:3639:346:2219:51
6:23
#2832
15K
9.32 mi11:01:5359:516:2520:17
6:32
#3144
20K
12.43 mi11:22:511:20:496:3020:58
6:45
#3531
Half
13.11 mi11:27:231:25:216:314:32
6:39
#3600
25K
15.53 mi11:44:031:42:016:3416:40
6:52
#3796
30K
18.64 mi12:06:422:04:406:4122:39
7:17
#4211
20M
20.00 mi12:16:482:14:466:4410:06
7:26
#4408
21M
21.00 mi12:24:382:22:366:477:50
7:50
#4534
35K
21.75 mi12:30:032:28:016:485:25
7:14
#4604
23M
23.00 mi12:39:192:37:176:509:16
7:24
#4686
24M
24.00 mi12:46:262:44:246:517:07
7:07
#4717
40K
24.85 mi12:52:442:50:426:526:18
7:22
#4767
25.2M
25.20 mi12:55:332:53:316:532:49
8:10
#4803
Finish
26.22 mi13:02:513:00:496:547:18
7:10
#4875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2734260726073736(Top 13%)3525(Top 22%)3525(Top 157%)
10K6.21 mi3.10 mi2832-982699-922699-922969(Top 10%)2827(Top 18%)2827(Top 126%)
15K9.32 mi3.11 mi3144-3122993-2942993-2943736(Top 13%)3525(Top 22%)3525(Top 157%)
20K12.43 mi3.11 mi3531-3873346-3533346-3534822(Top 17%)4461(Top 28%)4461(Top 199%)
Half13.11 mi0.68 mi3600-693409-633409-634760(Top 17%)4420(Top 27%)4420(Top 197%)
25K15.53 mi2.42 mi3796-1963578-1693578-1695446(Top 19%)4950(Top 31%)4950(Top 220%)
30K18.64 mi3.11 mi4211-4153943-3653943-3656381(Top 22%)5572(Top 35%)5572(Top 248%)
20M20.00 mi1.36 mi4408-1974109-1664109-1666556(Top 23%)5544(Top 34%)5544(Top 247%)
21M21.00 mi1.00 mi4534-1264208-994208-996338(Top 22%)5274(Top 33%)5274(Top 235%)
35K21.75 mi0.75 mi4604-704260-524260-526813(Top 24%)5572(Top 35%)5572(Top 248%)
23M23.00 mi1.25 mi4686-824316-564316-566035(Top 21%)4980(Top 31%)4980(Top 222%)
24M24.00 mi1.00 mi4717-314335-194335-195272(Top 19%)4439(Top 28%)4439(Top 198%)
40K24.85 mi0.85 mi4767-504371-364371-365982(Top 21%)4828(Top 30%)4828(Top 215%)
25.2M25.20 mi0.35 mi4803-364398-274398-276765(Top 24%)5184(Top 32%)5184(Top 231%)
Finish26.22 mi1.02 mi4875-724449-514449-516763(Top 24%)5173(Top 32%)5173(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3736

Males

3525

M40-44

3525

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2969

Males

2827

M40-44

2827

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3736

Males

3525

M40-44

3525

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4822

Males

4461

M40-44

4461

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4760

Males

4420

M40-44

4420

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5446

Males

4950

M40-44

4950

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6381

Males

5572

M40-44

5572

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6556

Males

5544

M40-44

5544

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6338

Males

5274

M40-44

5274

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6813

Males

5572

M40-44

5572

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6035

Males

4980

M40-44

4980

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5272

Males

4439

M40-44

4439

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5982

Males

4828

M40-44

4828

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6765

Males

5184

M40-44

5184

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6763

Males

5173

M40-44

5173

Passing Analysis

Category:
Athletes Passed
503
Passed By
2644
Net Change
-2141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2734
5K10K89187-98#2734#2832
10K15K16328-312#2832#3144
15K20K27414-387#3144#3531
20KHalf473-69#3531#3600
Half25K33229-196#3600#3796
25K30K40455-415#3796#4211
30K20M29226-197#4211#4408
20M21M39165-126#4408#4534
21M35K2696-70#4534#4604
35K23M60142-82#4604#4686
23M24M5081-31#4686#4717
24M40K4595-50#4717#4767
40K25.2M1551-36#4767#4803
25.2MFinish30102-72#4803#4875
TOTALS5032644-2141
📊

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