Hao-Chih Kao

Bib: 17672M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #10102
Start5K
23:28 | 7:33/mi
10K· 6.21 mi
46:39
Rank: #10102
5K10K
23:11 | 7:28/mi
15K· 9.32 mi
1:11:52
Rank: #11880 (-1778)
10K15K
25:13 | 8:07/mi
20K· 12.43 mi
1:40:38
Rank: #14845 (-2965)
15K20K
28:46 | 9:16/mi
Half· 13.11 mi
1:49:36
Rank: #16696 (-1851)
20KHalf
8:58 | 13:09/mi
25K· 15.53 mi
3:09:54
Rank: #26156 (-9460)
Half25K
1:20:18 | 33:07/mi
30K· 18.64 mi
3:45:19
Rank: #25854 (+302)
25K30K
35:25 | 11:24/mi
20M
4:00:48
Rank: #25718 (+136)
30K20M
15:29 | 11:24/mi
21M
4:12:24
Rank: #25617 (+101)
20M21M
11:36 | 11:36/mi
35K· 21.75 mi
4:21:49
Rank: #25607 (+10)
21M35K
9:25 | 12:35/mi
23M
4:37:34
Rank: #25565 (+42)
35K23M
15:45 | 12:35/mi
24M
4:47:44
Rank: #25474 (+91)
23M24M
10:10 | 10:10/mi
40K· 24.85 mi
4:56:25
Rank: #25370 (+104)
24M40K
8:41 | 10:09/mi
25.2M
5:00:13
Rank: #25327 (+43)
40K25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
5:13:29
Rank: #25373 (-46)
25.2MFinish
13:16 | 13:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:36
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time3:23:53
Pace15:33 /mi
📊Positive Split: 86.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0023:287:3323:28
7:33
-
10K
6.21 mi11:37:1146:397:3023:11
7:28
-0:05
15K
9.32 mi12:02:241:11:527:4325:13
8:07
+0:39
20K
12.43 mi12:31:101:40:388:0628:46
9:16
+1:09
Half
13.11 mi12:40:081:49:368:228:58
13:09
+3:53
25K
15.53 mi14:00:263:09:5412:131:20:18
33:07
+19:58
30K
18.64 mi14:35:513:45:1912:0535:25
11:24
-21:43
20M
20.00 mi14:51:204:00:4812:0215:29
11:24
0:00
21M
21.00 mi15:02:564:12:2412:0111:36
11:36
+0:12
35K
21.75 mi15:12:214:21:4912:029:25
12:35
+0:59
23M
23.00 mi15:28:064:37:3412:0415:45
12:35
0:00
24M
24.00 mi15:38:164:47:4411:5910:10
10:10
-2:25
40K
24.85 mi15:46:574:56:2511:568:41
10:09
-0:01
25.2M
25.20 mi15:50:455:00:1311:553:48
11:01
+0:52
Finish
26.22 mi16:04:015:13:2911:5813:16
13:01
+2:00

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

7:28 /mi

Average Pace

11:58 /mi

Slowest Pace

33:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:52

23% of race

Time at Steady Pace

2:41:19

51% of race

Time at Slower Pace

1:20:18

26% of race

Average Pace: 11:57 /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 mi11:14:0023:287:3323:28
7:33
#10102
10K
6.21 mi11:37:1146:397:3023:11
7:28
#10102
15K
9.32 mi12:02:241:11:527:4325:13
8:07
#11880
20K
12.43 mi12:31:101:40:388:0628:46
9:16
#14845
Half
13.11 mi12:40:081:49:368:228:58
13:09
#16696
25K
15.53 mi14:00:263:09:5412:131:20:18
33:07
#26156
30K
18.64 mi14:35:513:45:1912:0535:25
11:24
#25854
20M
20.00 mi14:51:204:00:4812:0215:29
11:24
#25718
21M
21.00 mi15:02:564:12:2412:0111:36
11:36
#25617
35K
21.75 mi15:12:214:21:4912:029:25
12:35
#25607
23M
23.00 mi15:28:064:37:3412:0415:45
12:35
#25565
24M
24.00 mi15:38:164:47:4411:5910:10
10:10
#25474
40K
24.85 mi15:46:574:56:2511:568:41
10:09
#25370
25.2M
25.20 mi15:50:455:00:1311:553:48
11:01
#25327
Finish
26.22 mi16:04:015:13:2911:5813:16
13:01
#25373
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi101028184818415277(Top 57%)10421(Top 69%)10421(Top 733%)
10K6.21 mi3.10 mi101028208-248208-2410164(Top 38%)8259(Top 54%)8259(Top 581%)
15K9.32 mi3.11 mi11880-17789043-8359043-83515277(Top 57%)10421(Top 69%)10421(Top 733%)
20K12.43 mi3.11 mi14845-296510244-120110244-120120817(Top 78%)12678(Top 84%)12678(Top 892%)
Half13.11 mi0.68 mi16696-185110935-69110935-69126385(Top 99%)15067(Top 99%)15067(Top 1060%)
25K15.53 mi2.42 mi26156-946014994-405914994-405926622(Top 100%)15176(Top 100%)15176(Top 1067%)
30K18.64 mi3.11 mi25854+30214866+12814866+12823717(Top 89%)13847(Top 91%)13847(Top 974%)
20M20.00 mi1.36 mi25718+13614797+6914797+6923357(Top 88%)13619(Top 90%)13619(Top 958%)
21M21.00 mi1.00 mi25617+10114755+4214755+4222051(Top 83%)13010(Top 86%)13010(Top 915%)
35K21.75 mi0.75 mi25607+1014742+1314742+1325250(Top 95%)14440(Top 95%)14440(Top 1015%)
23M23.00 mi1.25 mi25565+4214717+2514717+2524669(Top 93%)14173(Top 93%)14173(Top 997%)
24M24.00 mi1.00 mi25474+9114671+4614671+4621233(Top 80%)12531(Top 83%)12531(Top 881%)
40K24.85 mi0.85 mi25370+10414621+5014621+5020384(Top 77%)12097(Top 80%)12097(Top 851%)
25.2M25.20 mi0.35 mi25327+4314596+2514596+2520509(Top 77%)12176(Top 80%)12176(Top 856%)
Finish26.22 mi1.02 mi25373-4614620-2414620-2425976(Top 98%)14797(Top 98%)14797(Top 1041%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15277

Males

10421

M55-59

10421

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10164

Males

8259

M55-59

8259

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15277

Males

10421

M55-59

10421

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20817

Males

12678

M55-59

12678

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26385

Males

15067

M55-59

15067

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

26622

Males

15176

M55-59

15176

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23717

Males

13847

M55-59

13847

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23357

Males

13619

M55-59

13619

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22051

Males

13010

M55-59

13010

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

25250

Males

14440

M55-59

14440

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24669

Males

14173

M55-59

14173

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21233

Males

12531

M55-59

12531

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20384

Males

12097

M55-59

12097

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20509

Males

12176

M55-59

12176

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

25976

Males

14797

M55-59

14797

Passing Analysis

Category:
Athletes Passed
1174*
Passed By
16445
Net Change
-15271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10102
5K10K314*3140#10102#10102
10K15K91787-1778#10102#11880
15K20K32968-2965#11880#14845
20KHalf01851-1851#14845#16696
Half25K09460-9460#16696#26156
25K30K3020+302#26156#25854
30K20M1360+136#25854#25718
20M21M1010+101#25718#25617
21M35K2010+10#25617#25607
35K23M486+42#25607#25565
23M24M910+91#25565#25474
24M40K1040+104#25474#25370
40K25.2M430+43#25370#25327
25.2MFinish349-46#25327#25373
TOTALS1174*16445-15271

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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