Chang Hoon Yoo

Bib: 9077M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:30
Rank: #21754
Start5K
27:30 | 8:51/mi
10K· 6.21 mi
51:37
Rank: #18654 (+3100)
5K10K
24:07 | 7:46/mi
15K· 9.32 mi
1:15:18
Rank: #16914 (+1740)
10K15K
23:41 | 7:37/mi
20K· 12.43 mi
1:39:54
Rank: #16234 (+680)
15K20K
24:36 | 7:55/mi
Half· 13.11 mi
1:45:12
Rank: #16133 (+101)
20KHalf
5:18 | 7:46/mi
25K· 15.53 mi
2:04:39
Rank: #15742 (+391)
Half25K
19:27 | 8:01/mi
30K· 18.64 mi
2:30:48
Rank: #15430 (+312)
25K30K
26:09 | 8:25/mi
20M
2:42:23
Rank: #15281 (+149)
30K20M
11:35 | 8:31/mi
21M
2:51:20
Rank: #15090 (+191)
20M21M
8:57 | 8:57/mi
35K· 21.75 mi
2:57:34
Rank: #15053 (+37)
21M35K
6:14 | 8:20/mi
23M
3:08:36
Rank: #15020 (+33)
35K23M
11:02 | 8:49/mi
24M
3:17:12
Rank: #14999 (+21)
23M24M
8:36 | 8:36/mi
40K· 24.85 mi
3:24:52
Rank: #15052 (-53)
24M40K
7:40 | 8:58/mi
25.2M
3:28:16
Rank: #15064 (-12)
40K25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:36:47
Rank: #15045 (+19)
25.2MFinish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:12
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:51:35
Pace8:31 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3827:308:5127:30
8:51
-
10K
6.21 mi11:52:4551:378:1824:07
7:46
-1:05
15K
9.32 mi12:16:261:15:188:0523:41
7:37
-0:09
20K
12.43 mi12:41:021:39:548:0224:36
7:55
+0:18
Half
13.11 mi12:46:201:45:128:015:18
7:46
-0:09
25K
15.53 mi13:05:472:04:398:0119:27
8:01
+0:15
30K
18.64 mi13:31:562:30:488:0526:09
8:25
+0:24
20M
20.00 mi13:43:312:42:238:0711:35
8:31
+0:06
21M
21.00 mi13:52:282:51:208:108:57
8:57
+0:26
35K
21.75 mi13:58:422:57:348:106:14
8:20
-0:37
23M
23.00 mi14:09:443:08:368:1211:02
8:49
+0:29
24M
24.00 mi14:18:203:17:128:138:36
8:36
-0:13
40K
24.85 mi14:26:003:24:528:157:40
8:58
+0:22
25.2M
25.20 mi14:29:243:28:168:163:24
9:52
+0:54
Finish
26.22 mi14:37:553:36:478:168:31
8:21
-1:31

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

7:37 /mi

Average Pace

8:16 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:09

45% of race

Time at Steady Pace

1:01:05

28% of race

Time at Slower Pace

58:33

27% of race

Average Pace: 8:16 /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 mi11:28:3827:308:5127:30
8:51
#21754
10K
6.21 mi11:52:4551:378:1824:07
7:46
#18654
15K
9.32 mi12:16:261:15:188:0523:41
7:37
#16914
20K
12.43 mi12:41:021:39:548:0224:36
7:55
#16234
Half
13.11 mi12:46:201:45:128:015:18
7:46
#16133
25K
15.53 mi13:05:472:04:398:0119:27
8:01
#15742
30K
18.64 mi13:31:562:30:488:0526:09
8:25
#15430
20M
20.00 mi13:43:312:42:238:0711:35
8:31
#15281
21M
21.00 mi13:52:282:51:208:108:57
8:57
#15090
35K
21.75 mi13:58:422:57:348:106:14
8:20
#15053
23M
23.00 mi14:09:443:08:368:1211:02
8:49
#15020
24M
24.00 mi14:18:203:17:128:138:36
8:36
#14999
40K
24.85 mi14:26:003:24:528:157:40
8:58
#15052
25.2M
25.20 mi14:29:243:28:168:163:24
9:52
#15064
Finish
26.22 mi14:37:553:36:478:168:31
8:21
#15045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21754131991319912788(Top 45%)9428(Top 59%)9428(Top 572%)
10K6.21 mi3.10 mi18654+310011886+131311886+131314453(Top 51%)10192(Top 63%)10192(Top 618%)
15K9.32 mi3.11 mi16914+174011194+69211194+69212788(Top 45%)9428(Top 59%)9428(Top 572%)
20K12.43 mi3.11 mi16234+68010893+30110893+30114246(Top 50%)9988(Top 62%)9988(Top 606%)
Half13.11 mi0.68 mi16133+10110848+4510848+4513954(Top 49%)9898(Top 61%)9898(Top 601%)
25K15.53 mi2.42 mi15742+39110676+17210676+17214063(Top 50%)9792(Top 61%)9792(Top 594%)
30K18.64 mi3.11 mi15430+31210479+19710479+19714233(Top 50%)9698(Top 60%)9698(Top 588%)
20M20.00 mi1.36 mi15281+14910384+9510384+9513935(Top 49%)9419(Top 58%)9419(Top 572%)
21M21.00 mi1.00 mi15090+19110270+11410270+11413202(Top 46%)8958(Top 56%)8958(Top 544%)
35K21.75 mi0.75 mi15053+3710239+3110239+3114452(Top 51%)9484(Top 59%)9484(Top 575%)
23M23.00 mi1.25 mi15020+3310201+3810201+3815169(Top 53%)9704(Top 60%)9704(Top 589%)
24M24.00 mi1.00 mi14999+2110156+4510156+4515144(Top 53%)9646(Top 60%)9646(Top 585%)
40K24.85 mi0.85 mi15052-5310141+1510141+1516083(Top 57%)9956(Top 62%)9956(Top 604%)
25.2M25.20 mi0.35 mi15064-1210133+810133+816328(Top 57%)10038(Top 62%)10038(Top 609%)
Finish26.22 mi1.02 mi15045+1910103+3010103+3015268(Top 54%)9598(Top 60%)9598(Top 582%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12788

Males

9428

M55-59

9428

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14453

Males

10192

M55-59

10192

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12788

Males

9428

M55-59

9428

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14246

Males

9988

M55-59

9988

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13954

Males

9898

M55-59

9898

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14063

Males

9792

M55-59

9792

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14233

Males

9698

M55-59

9698

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13935

Males

9419

M55-59

9419

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13202

Males

8958

M55-59

8958

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14452

Males

9484

M55-59

9484

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15169

Males

9704

M55-59

9704

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15144

Males

9646

M55-59

9646

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16083

Males

9956

M55-59

9956

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16328

Males

10038

M55-59

10038

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15268

Males

9598

M55-59

9598

Passing Analysis

Category:
Athletes Passed
7308
Passed By
599
Net Change
+6709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21754
5K10K31000+3100#21754#18654
10K15K17400+1740#18654#16914
15K20K69616+680#16914#16234
20KHalf1010+101#16234#16133
Half25K40211+391#16133#15742
25K30K40391+312#15742#15430
30K20M19041+149#15430#15281
20M21M21524+191#15281#15090
21M35K7841+37#15090#15053
35K23M12592+33#15053#15020
23M24M9372+21#15020#14999
24M40K50103-53#14999#15052
40K25.2M3244-12#15052#15064
25.2MFinish8364+19#15064#15045
TOTALS7308599+6709
📊

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