Chih Wei Hsieh

Bib: 4847M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 34%
Gender (Male)
#0 / 14578
Top 45%
Masters (Masters Men)
#0 / 9729
Top 35%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:18
Rank: #6092
Start5K
21:18 | 6:51/mi
10K· 6.21 mi
43:58
Rank: #7301 (-1209)
5K10K
22:40 | 7:18/mi
15K· 9.32 mi
1:06:39
Rank: #7536 (-235)
10K15K
22:41 | 7:18/mi
20K· 12.43 mi
1:29:52
Rank: #7643 (-107)
15K20K
23:13 | 7:28/mi
Half· 13.11 mi
1:35:02
Rank: #7727 (-84)
20KHalf
5:10 | 7:34/mi
25K· 15.53 mi
1:53:45
Rank: #7759 (-32)
Half25K
18:43 | 7:43/mi
30K· 18.64 mi
2:19:11
Rank: #7899 (-140)
25K30K
25:26 | 8:11/mi
20M
2:31:03
Rank: #8114 (-215)
30K20M
11:52 | 8:44/mi
21M
2:40:23
Rank: #8165 (-51)
20M21M
9:20 | 9:20/mi
35K· 21.75 mi
2:46:33
Rank: #8150 (+15)
21M35K
6:10 | 8:15/mi
23M
2:58:22
Rank: #8414 (-264)
35K23M
11:49 | 9:26/mi
24M
3:07:19
Rank: #8541 (-127)
23M24M
8:57 | 8:57/mi
40K· 24.85 mi
3:14:56
Rank: #8575 (-34)
24M40K
7:37 | 8:54/mi
25.2M
3:18:20
Rank: #8594 (-19)
40K25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:26:56
Rank: #8676 (-82)
25.2MFinish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:02
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:51:54
Pace8:32 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2321:186:5121:18
6:51
-
10K
6.21 mi10:47:0343:587:0522:40
7:18
+0:27
15K
9.32 mi11:09:441:06:397:0922:41
7:18
0:00
20K
12.43 mi11:32:571:29:527:1423:13
7:28
+0:10
Half
13.11 mi11:38:071:35:027:155:10
7:34
+0:06
25K
15.53 mi11:56:501:53:457:1918:43
7:43
+0:09
30K
18.64 mi12:22:162:19:117:2825:26
8:11
+0:28
20M
20.00 mi12:34:082:31:037:3311:52
8:44
+0:33
21M
21.00 mi12:43:282:40:237:389:20
9:20
+0:36
35K
21.75 mi12:49:382:46:337:396:10
8:15
-1:05
23M
23.00 mi13:01:272:58:227:4511:49
9:26
+1:11
24M
24.00 mi13:10:243:07:197:488:57
8:57
-0:29
40K
24.85 mi13:18:013:14:567:517:37
8:54
-0:03
25.2M
25.20 mi13:21:253:18:207:523:24
9:52
+0:58
Finish
26.22 mi13:30:013:26:567:548:36
8:26
-1:26

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

6:51 /mi

Average Pace

7:54 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:45

55% of race

Time at Steady Pace

40:12

19% of race

Time at Slower Pace

52:59

26% of race

Average Pace: 7:54 /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 mi10:24:2321:186:5121:18
6:51
#6092
10K
6.21 mi10:47:0343:587:0522:40
7:18
#7301
15K
9.32 mi11:09:441:06:397:0922:41
7:18
#7536
20K
12.43 mi11:32:571:29:527:1423:13
7:28
#7643
Half
13.11 mi11:38:071:35:027:155:10
7:34
#7727
25K
15.53 mi11:56:501:53:457:1918:43
7:43
#7759
30K
18.64 mi12:22:162:19:117:2825:26
8:11
#7899
20M
20.00 mi12:34:082:31:037:3311:52
8:44
#8114
21M
21.00 mi12:43:282:40:237:389:20
9:20
#8165
35K
21.75 mi12:49:382:46:337:396:10
8:15
#8150
23M
23.00 mi13:01:272:58:227:4511:49
9:26
#8414
24M
24.00 mi13:10:243:07:197:488:57
8:57
#8541
40K
24.85 mi13:18:013:14:567:517:37
8:54
#8575
25.2M
25.20 mi13:21:253:18:207:523:24
9:52
#8594
Finish
26.22 mi13:30:013:26:567:548:36
8:26
#8676
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6092551855188167(Top 32%)6814(Top 47%)6814(Top 339%)
10K6.21 mi3.10 mi7301-12096350-8326350-8328634(Top 34%)7134(Top 49%)7134(Top 355%)
15K9.32 mi3.11 mi7536-2356476-1266476-1268167(Top 32%)6814(Top 47%)6814(Top 339%)
20K12.43 mi3.11 mi7643-1076521-456521-458170(Top 32%)6697(Top 46%)6697(Top 333%)
Half13.11 mi0.68 mi7727-846569-486569-489604(Top 38%)7467(Top 51%)7467(Top 372%)
25K15.53 mi2.42 mi7759-326542+276542+278416(Top 33%)6662(Top 46%)6662(Top 332%)
30K18.64 mi3.11 mi7899-1406529+136529+138926(Top 35%)6735(Top 46%)6735(Top 335%)
20M20.00 mi1.36 mi8114-2156608-796608-7910701(Top 42%)7354(Top 50%)7354(Top 366%)
21M21.00 mi1.00 mi8165-516581+276581+2710084(Top 39%)6780(Top 47%)6780(Top 337%)
35K21.75 mi0.75 mi8150+156543+386543+389189(Top 36%)6352(Top 44%)6352(Top 316%)
23M23.00 mi1.25 mi8414-2646627-846627-8413218(Top 52%)8166(Top 56%)8166(Top 406%)
24M24.00 mi1.00 mi8541-1276646-196646-1911865(Top 46%)7500(Top 51%)7500(Top 373%)
40K24.85 mi0.85 mi8575-346622+246622+2410383(Top 41%)6604(Top 45%)6604(Top 329%)
25.2M25.20 mi0.35 mi8594-196609+136609+1310304(Top 40%)6507(Top 45%)6507(Top 324%)
Finish26.22 mi1.02 mi8676-826610-16610-111159(Top 44%)7074(Top 49%)7074(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8167

Males

6814

M40-44

6814

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8634

Males

7134

M40-44

7134

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8167

Males

6814

M40-44

6814

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8170

Males

6697

M40-44

6697

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9604

Males

7467

M40-44

7467

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8416

Males

6662

M40-44

6662

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

8926

Males

6735

M40-44

6735

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

10701

Males

7354

M40-44

7354

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10084

Males

6780

M40-44

6780

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9189

Males

6352

M40-44

6352

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13218

Males

8166

M40-44

8166

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

11865

Males

7500

M40-44

7500

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10383

Males

6604

M40-44

6604

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10304

Males

6507

M40-44

6507

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11159

Males

7074

M40-44

7074

Passing Analysis

Category:
Athletes Passed
1206
Passed By
3790
Net Change
-2584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6092
5K10K141223-1209#6092#7301
10K15K84319-235#7301#7536
15K20K152259-107#7536#7643
20KHalf1498-84#7643#7727
Half25K166198-32#7727#7759
25K30K224364-140#7759#7899
30K20M66281-215#7899#8114
20M21M100151-51#8114#8165
21M35K8671+15#8165#8150
35K23M69333-264#8150#8414
23M24M58185-127#8414#8541
24M40K73107-34#8541#8575
40K25.2M3958-19#8575#8594
25.2MFinish61143-82#8594#8676
TOTALS12063790-2584
📊

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