Chang Ho Chun

Bib: 30477M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:44
Rank: #26207
Start5K
35:44 | 11:30/mi
10K· 6.21 mi
1:10:18
Rank: #25935 (+272)
5K10K
34:34 | 11:08/mi
15K· 9.32 mi
1:45:38
Rank: #25829 (+106)
10K15K
35:20 | 11:22/mi
20K· 12.43 mi
2:24:15
Rank: #25889 (-60)
15K20K
38:37 | 12:26/mi
Half· 13.11 mi
2:32:41
Rank: #25903 (-14)
20KHalf
8:26 | 12:22/mi
25K· 15.53 mi
3:05:38
Rank: #25965 (-62)
Half25K
32:57 | 13:35/mi
30K· 18.64 mi
3:52:58
Rank: #26140 (-175)
25K30K
47:20 | 15:14/mi
20M
4:11:22
Rank: #26107 (+33)
30K20M
18:24 | 13:32/mi
21M
4:26:05
Rank: #26084 (+23)
20M21M
14:43 | 14:43/mi
35K· 21.75 mi
4:35:24
Rank: #26065 (+19)
21M35K
9:19 | 12:27/mi
23M
4:51:28
Rank: #26012 (+53)
35K23M
16:04 | 12:50/mi
24M
5:03:20
Rank: #25977 (+35)
23M24M
11:52 | 11:52/mi
40K· 24.85 mi
5:14:08
Rank: #25944 (+33)
24M40K
10:48 | 12:38/mi
25.2M
5:18:53
Rank: #25937 (+7)
40K25.2M
4:45 | 13:46/mi
Finish· 26.22 mi
5:31:04
Rank: #25923 (+14)
25.2MFinish
12:11 | 11:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:41
Pace11:39 /mi
2nd Half
Distance13.11 mi
Time2:58:23
Pace13:36 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2435:4411:3035:44
11:30
-
10K
6.21 mi12:28:581:10:1811:1934:34
11:08
-0:22
15K
9.32 mi13:04:181:45:3811:2035:20
11:22
+0:14
20K
12.43 mi13:42:552:24:1511:3638:37
12:26
+1:04
Half
13.11 mi13:51:212:32:4111:398:26
12:22
-0:04
25K
15.53 mi14:24:183:05:3811:5732:57
13:35
+1:13
30K
18.64 mi15:11:383:52:5812:3047:20
15:14
+1:39
20M
20.00 mi15:30:024:11:2212:3418:24
13:32
-1:42
21M
21.00 mi15:44:454:26:0512:4014:43
14:43
+1:11
35K
21.75 mi15:54:044:35:2412:409:19
12:27
-2:16
23M
23.00 mi16:10:084:51:2812:4016:04
12:50
+0:23
24M
24.00 mi16:22:005:03:2012:3811:52
11:52
-0:58
40K
24.85 mi16:32:485:14:0812:3810:48
12:38
+0:46
25.2M
25.20 mi16:37:335:18:5312:394:45
13:46
+1:08
Finish
26.22 mi16:49:445:31:0412:3812:11
11:57
-1:49

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

11:08 /mi

Average Pace

12:38 /mi

Slowest Pace

15:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:30

35% of race

Time at Steady Pace

1:35:25

29% of race

Time at Slower Pace

1:58:09

36% of race

Average Pace: 12:38 /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 mi11:54:2435:4411:3035:44
11:30
#26207
10K
6.21 mi12:28:581:10:1811:1934:34
11:08
#25935
15K
9.32 mi13:04:181:45:3811:2035:20
11:22
#25829
20K
12.43 mi13:42:552:24:1511:3638:37
12:26
#25889
Half
13.11 mi13:51:212:32:4111:398:26
12:22
#25903
25K
15.53 mi14:24:183:05:3811:5732:57
13:35
#25965
30K
18.64 mi15:11:383:52:5812:3047:20
15:14
#26140
20M
20.00 mi15:30:024:11:2212:3418:24
13:32
#26107
21M
21.00 mi15:44:454:26:0512:4014:43
14:43
#26084
35K
21.75 mi15:54:044:35:2412:409:19
12:27
#26065
23M
23.00 mi16:10:084:51:2812:4016:04
12:50
#26012
24M
24.00 mi16:22:005:03:2012:3811:52
11:52
#25977
40K
24.85 mi16:32:485:14:0812:3810:48
12:38
#25944
25.2M
25.20 mi16:37:335:18:5312:394:45
13:46
#25937
Finish
26.22 mi16:49:445:31:0412:3812:11
11:57
#25923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi26207150091500925585(Top 96%)14763(Top 97%)14763(Top 6931%)
10K6.21 mi3.10 mi25935+27214913+9614913+9625602(Top 96%)14784(Top 97%)14784(Top 6941%)
15K9.32 mi3.11 mi25829+10614876+3714876+3725585(Top 96%)14763(Top 97%)14763(Top 6931%)
20K12.43 mi3.11 mi25889-6014901-2514901-2525925(Top 97%)14892(Top 98%)14892(Top 6992%)
Half13.11 mi0.68 mi25903-1414906-514906-526087(Top 98%)14950(Top 99%)14950(Top 7019%)
25K15.53 mi2.42 mi25965-6214913-714913-726169(Top 98%)14974(Top 99%)14974(Top 7030%)
30K18.64 mi3.11 mi26140-17514976-6314976-6326480(Top 99%)15107(Top 100%)15107(Top 7092%)
20M20.00 mi1.36 mi26107+3314961+1514961+1525564(Top 96%)14651(Top 97%)14651(Top 6878%)
21M21.00 mi1.00 mi26084+2314950+1114950+1125573(Top 96%)14660(Top 97%)14660(Top 6883%)
35K21.75 mi0.75 mi26065+1914938+1214938+1225124(Top 94%)14387(Top 95%)14387(Top 6754%)
23M23.00 mi1.25 mi26012+5314918+2014918+2024919(Top 94%)14308(Top 94%)14308(Top 6717%)
24M24.00 mi1.00 mi25977+3514903+1514903+1524359(Top 91%)13982(Top 92%)13982(Top 6564%)
40K24.85 mi0.85 mi25944+3314888+1514888+1524584(Top 92%)14090(Top 93%)14090(Top 6615%)
25.2M25.20 mi0.35 mi25937+714884+414884+424808(Top 93%)14195(Top 94%)14195(Top 6664%)
Finish26.22 mi1.02 mi25923+1414877+714877+725190(Top 95%)14404(Top 95%)14404(Top 6762%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

25585

Males

14763

M70-74

14763

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25602

Males

14784

M70-74

14784

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

25585

Males

14763

M70-74

14763

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25925

Males

14892

M70-74

14892

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26087

Males

14950

M70-74

14950

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26169

Males

14974

M70-74

14974

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26480

Males

15107

M70-74

15107

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

25564

Males

14651

M70-74

14651

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25573

Males

14660

M70-74

14660

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25124

Males

14387

M70-74

14387

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24919

Males

14308

M70-74

14308

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24359

Males

13982

M70-74

13982

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24584

Males

14090

M70-74

14090

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24808

Males

14195

M70-74

14195

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25190

Males

14404

M70-74

14404

Passing Analysis

Category:
Athletes Passed
736
Passed By
452
Net Change
+284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26207
5K10K28715+272#26207#25935
10K15K13731+106#25935#25829
15K20K3898-60#25829#25889
20KHalf620-14#25889#25903
Half25K1779-62#25903#25965
25K30K4179-175#25965#26140
30K20M418+33#26140#26107
20M21M285+23#26107#26084
21M35K212+19#26084#26065
35K23M552+53#26065#26012
23M24M394+35#26012#25977
24M40K352+33#25977#25944
40K25.2M70+7#25944#25937
25.2MFinish217+14#25937#25923
TOTALS736452+284
📊

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