Jun Hyun Cho

Bib: 6640M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 18%
Gender (Male)
#0 / 14578
Top 28%
Masters (Masters Men)
#0 / 9729
Top 16%
Division (M45-49)
#0 / 2218
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:07
Rank: #3172
Start5K
6:28/mi
20:07 split
10K· 6.21 mi
40:29
Rank: #3266 (-94)
5K10K
6:33/mi
20:22 split
15K· 9.32 mi
1:01:17
Rank: #3414 (-148)
10K15K
6:42/mi
20:48 split
20K· 12.43 mi
1:22:29
Rank: #3520 (-106)
15K20K
6:49/mi
21:12 split
Half· 13.11 mi
1:27:05
Rank: #3545 (-25)
20KHalf
6:45/mi
4:36 split
25K· 15.53 mi
1:44:31
Rank: #3850 (-305)
Half25K
7:11/mi
17:26 split
30K· 18.64 mi
2:07:44
Rank: #4099 (-249)
25K30K
7:28/mi
23:13 split
20M
2:17:46
Rank: #4017 (+82)
30K20M
7:23/mi
10:02 split
21M
2:26:32
Rank: #4182 (-165)
20M21M
8:46/mi
8:46 split
35K· 21.75 mi
2:33:09
Rank: #4430 (-248)
21M35K
8:51/mi
6:37 split
23M
2:44:24
Rank: #4707 (-277)
35K23M
8:59/mi
11:15 split
24M
2:51:58
Rank: #4626 (+81)
23M24M
7:34/mi
7:34 split
40K· 24.85 mi
2:58:34
Rank: #4534 (+92)
24M40K
7:43/mi
6:36 split
25.2M
3:01:33
Rank: #4495 (+39)
40K25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:09:28
Rank: #4534 (-39)
25.2MFinish
7:46/mi
7:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:05
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4120:076:2820:07
6:28
-
10K
6.21 mi10:46:0340:296:3120:22
6:33
+0:05
15K
9.32 mi11:06:511:01:176:3520:48
6:42
+0:09
20K
12.43 mi11:28:031:22:296:3821:12
6:49
+0:07
Half
13.11 mi11:32:391:27:056:394:36
6:45
-0:04
25K
15.53 mi11:50:051:44:316:4417:26
7:11
+0:26
30K
18.64 mi12:13:182:07:446:5123:13
7:28
+0:17
20M
20.00 mi12:23:202:17:466:5310:02
7:23
-0:05
21M
21.00 mi12:32:062:26:326:598:46
8:46
+1:23
35K
21.75 mi12:38:432:33:097:036:37
8:51
+0:05
23M
23.00 mi12:49:582:44:247:0911:15
8:59
+0:08
24M
24.00 mi12:57:322:51:587:107:34
7:34
-1:25
40K
24.85 mi13:04:082:58:347:116:36
7:43
+0:09
25.2M
25.20 mi13:07:073:01:337:122:59
8:39
+0:56
Finish
26.22 mi13:15:023:09:287:147:55
7:46
-0:53

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

6:28 /mi

Average Pace

7:14 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:05

46% of race

Time at Steady Pace

1:12:46

38% of race

Time at Slower Pace

29:37

16% of race

Average Pace: 7:14 /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 mi10:25:4120:076:2820:07
6:28
#3172
10K
6.21 mi10:46:0340:296:3120:22
6:33
#3266
15K
9.32 mi11:06:511:01:176:3520:48
6:42
#3414
20K
12.43 mi11:28:031:22:296:3821:12
6:49
#3520
Half
13.11 mi11:32:391:27:056:394:36
6:45
#3545
25K
15.53 mi11:50:051:44:316:4417:26
7:11
#3850
30K
18.64 mi12:13:182:07:446:5123:13
7:28
#4099
20M
20.00 mi12:23:202:17:466:5310:02
7:23
#4017
21M
21.00 mi12:32:062:26:326:598:46
8:46
#4182
35K
21.75 mi12:38:432:33:097:036:37
8:51
#4430
23M
23.00 mi12:49:582:44:247:0911:15
8:59
#4707
24M
24.00 mi12:57:322:51:587:107:34
7:34
#4626
40K
24.85 mi13:04:082:58:347:116:36
7:43
#4534
25.2M
25.20 mi13:07:073:01:337:122:59
8:39
#4495
Finish
26.22 mi13:15:023:09:287:147:55
7:46
#4534
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3172302430243910(Top 15%)3680(Top 25%)3680(Top 166%)
10K6.21 mi3.10 mi3266-943112-883112-883363(Top 13%)3196(Top 22%)3196(Top 144%)
15K9.32 mi3.11 mi3414-1483248-1363248-1363910(Top 15%)3680(Top 25%)3680(Top 166%)
20K12.43 mi3.11 mi3520-1063341-933341-934066(Top 16%)3793(Top 26%)3793(Top 171%)
Half13.11 mi0.68 mi3545-253365-243365-244188(Top 16%)3892(Top 27%)3892(Top 175%)
25K15.53 mi2.42 mi3850-3053624-2593624-2595267(Top 21%)4673(Top 32%)4673(Top 211%)
30K18.64 mi3.11 mi4099-2493824-2003824-2004967(Top 19%)4320(Top 30%)4320(Top 195%)
20M20.00 mi1.36 mi4017+823732+923732+923893(Top 15%)3466(Top 24%)3466(Top 156%)
21M21.00 mi1.00 mi4182-1653862-1303862-1307514(Top 29%)5538(Top 38%)5538(Top 250%)
35K21.75 mi0.75 mi4430-2484056-1944056-19412621(Top 49%)7976(Top 55%)7976(Top 360%)
23M23.00 mi1.25 mi4707-2774245-1894245-18911122(Top 44%)7124(Top 49%)7124(Top 321%)
24M24.00 mi1.00 mi4626+814152+934152+934439(Top 17%)3563(Top 24%)3563(Top 161%)
40K24.85 mi0.85 mi4534+924054+984054+984469(Top 17%)3481(Top 24%)3481(Top 157%)
25.2M25.20 mi0.35 mi4495+394011+434011+435163(Top 20%)3786(Top 26%)3786(Top 171%)
Finish26.22 mi1.02 mi4534-394021-104021-107213(Top 28%)4966(Top 34%)4966(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3910

Males

3680

M45-49

3680

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3363

Males

3196

M45-49

3196

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3910

Males

3680

M45-49

3680

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4066

Males

3793

M45-49

3793

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4188

Males

3892

M45-49

3892

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5267

Males

4673

M45-49

4673

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4967

Males

4320

M45-49

4320

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3893

Males

3466

M45-49

3466

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7514

Males

5538

M45-49

5538

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12621

Males

7976

M45-49

7976

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11122

Males

7124

M45-49

7124

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4439

Males

3563

M45-49

3563

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4469

Males

3481

M45-49

3481

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5163

Males

3786

M45-49

3786

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7213

Males

4966

M45-49

4966

Passing Analysis

Category:
Athletes Passed
1003
Passed By
2365
Net Change
-1362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3172
5K10K90184-94#3172#3266
10K15K62210-148#3266#3414
15K20K81187-106#3414#3520
20KHalf1439-25#3520#3545
Half25K63368-305#3545#3850
25K30K132381-249#3850#4099
30K20M15169+82#4099#4017
20M21M41206-165#4017#4182
21M35K13261-248#4182#4430
35K23M27304-277#4430#4707
23M24M11231+81#4707#4626
24M40K11422+92#4626#4534
40K25.2M5415+39#4534#4495
25.2MFinish4988-39#4495#4534
TOTALS10032365-1362
📊

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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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing