Changyoon Kim

Bib: 14170M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:53
Rank: #21101
Start5K
28:53 | 9:18/mi
10K· 6.21 mi
59:31
Rank: #21747 (-646)
5K10K
30:38 | 9:52/mi
15K· 9.32 mi
1:31:18
Rank: #21984 (-237)
10K15K
31:47 | 10:14/mi
20K· 12.43 mi
2:12:58
Rank: #23422 (-1438)
15K20K
41:40 | 13:25/mi
Half· 13.11 mi
2:22:27
Rank: #23695 (-273)
20KHalf
9:29 | 13:54/mi
25K· 15.53 mi
2:55:59
Rank: #23998 (-303)
Half25K
33:32 | 13:50/mi
30K· 18.64 mi
3:44:05
Rank: #24324 (-326)
25K30K
48:06 | 15:29/mi
20M
4:06:29
Rank: #24484 (-160)
30K20M
22:24 | 16:29/mi
21M
4:22:02
Rank: #24480 (+4)
20M21M
15:33 | 15:33/mi
35K· 21.75 mi
4:32:52
Rank: #24501 (-21)
21M35K
10:50 | 14:29/mi
23M
4:50:39
Rank: #24504 (-3)
35K23M
17:47 | 14:12/mi
24M
5:05:19
Rank: #24547 (-43)
23M24M
14:40 | 14:40/mi
40K· 24.85 mi
5:16:41
Rank: #24514 (+33)
24M40K
11:22 | 13:18/mi
25.2M
5:22:33
Rank: #24541 (-27)
40K25.2M
5:52 | 17:01/mi
Finish· 26.22 mi
5:35:14
Rank: #24522 (+19)
25.2MFinish
12:41 | 12:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:27
Pace10:52 /mi
2nd Half
Distance13.11 mi
Time3:12:47
Pace14:42 /mi
📊Positive Split: 35.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:4128:539:1828:53
9:18
-
10K
6.21 mi11:31:1959:319:3530:38
9:52
+0:34
15K
9.32 mi12:03:061:31:189:4831:47
10:14
+0:22
20K
12.43 mi12:44:462:12:5810:4241:40
13:25
+3:11
Half
13.11 mi12:54:152:22:2710:529:29
13:54
+0:29
25K
15.53 mi13:27:472:55:5911:2033:32
13:50
-0:04
30K
18.64 mi14:15:533:44:0512:0148:06
15:29
+1:39
20M
20.00 mi14:38:174:06:2912:1922:24
16:29
+1:00
21M
21.00 mi14:53:504:22:0212:2915:33
15:33
-0:56
35K
21.75 mi15:04:404:32:5212:3310:50
14:29
-1:04
23M
23.00 mi15:22:274:50:3912:3817:47
14:12
-0:17
24M
24.00 mi15:37:075:05:1912:4314:40
14:40
+0:28
40K
24.85 mi15:48:295:16:4112:4411:22
13:18
-1:22
25.2M
25.20 mi15:54:215:22:3312:485:52
17:01
+3:43
Finish
26.22 mi16:07:025:35:1412:4812:41
12:27
-4:34

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

9:18 /mi

Average Pace

12:48 /mi

Slowest Pace

17:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:59

31% of race

Time at Steady Pace

2:19:20

42% of race

Time at Slower Pace

1:31:55

27% of race

Average Pace: 12:47 /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 mi11:00:4128:539:1828:53
9:18
#21101
10K
6.21 mi11:31:1959:319:3530:38
9:52
#21747
15K
9.32 mi12:03:061:31:189:4831:47
10:14
#21984
20K
12.43 mi12:44:462:12:5810:4241:40
13:25
#23422
Half
13.11 mi12:54:152:22:2710:529:29
13:54
#23695
25K
15.53 mi13:27:472:55:5911:2033:32
13:50
#23998
30K
18.64 mi14:15:533:44:0512:0148:06
15:29
#24324
20M
20.00 mi14:38:174:06:2912:1922:24
16:29
#24484
21M
21.00 mi14:53:504:22:0212:2915:33
15:33
#24480
35K
21.75 mi15:04:404:32:5212:3310:50
14:29
#24501
23M
23.00 mi15:22:274:50:3912:3817:47
14:12
#24504
24M
24.00 mi15:37:075:05:1912:4314:40
14:40
#24547
40K
24.85 mi15:48:295:16:4112:4411:22
13:18
#24514
25.2M
25.20 mi15:54:215:22:3312:485:52
17:01
#24541
Finish
26.22 mi16:07:025:35:1412:4812:41
12:27
#24522
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21101126091260922399(Top 88%)13262(Top 91%)13262(Top 867%)
10K6.21 mi3.10 mi21747-64612927-31812927-31822249(Top 87%)13167(Top 90%)13167(Top 861%)
15K9.32 mi3.11 mi21984-23713050-12313050-12322399(Top 88%)13262(Top 91%)13262(Top 867%)
20K12.43 mi3.11 mi23422-143813716-66613716-66625109(Top 98%)14402(Top 99%)14402(Top 942%)
Half13.11 mi0.68 mi23695-27313851-13513851-13525404(Top 99%)14505(Top 99%)14505(Top 949%)
25K15.53 mi2.42 mi23998-30313968-11713968-11724825(Top 97%)14243(Top 98%)14243(Top 932%)
30K18.64 mi3.11 mi24324-32614088-12014088-12025174(Top 99%)14356(Top 98%)14356(Top 939%)
20M20.00 mi1.36 mi24484-16014137-4914137-4925292(Top 99%)14418(Top 99%)14418(Top 943%)
21M21.00 mi1.00 mi24480+414126+1114126+1124131(Top 94%)13750(Top 94%)13750(Top 899%)
35K21.75 mi0.75 mi24501-2114130-414130-424624(Top 96%)13999(Top 96%)13999(Top 916%)
23M23.00 mi1.25 mi24504-314122+814122+823992(Top 94%)13660(Top 94%)13660(Top 893%)
24M24.00 mi1.00 mi24547-4314134-1214134-1224665(Top 97%)13982(Top 96%)13982(Top 914%)
40K24.85 mi0.85 mi24514+3314110+2414110+2422704(Top 89%)12872(Top 88%)12872(Top 842%)
25.2M25.20 mi0.35 mi24541-2714115-514115-524639(Top 96%)13960(Top 96%)13960(Top 913%)
Finish26.22 mi1.02 mi24522+1914099+1614099+1623805(Top 93%)13458(Top 92%)13458(Top 880%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

22399

Males

13262

M55-59

13262

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

22249

Males

13167

M55-59

13167

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

22399

Males

13262

M55-59

13262

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

25109

Males

14402

M55-59

14402

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

25404

Males

14505

M55-59

14505

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

24825

Males

14243

M55-59

14243

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

25174

Males

14356

M55-59

14356

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

25292

Males

14418

M55-59

14418

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

24131

Males

13750

M55-59

13750

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

24624

Males

13999

M55-59

13999

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

23992

Males

13660

M55-59

13660

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

24665

Males

13982

M55-59

13982

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

22704

Males

12872

M55-59

12872

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

24639

Males

13960

M55-59

13960

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

23805

Males

13458

M55-59

13458

Passing Analysis

Category:
Athletes Passed
439
Passed By
3860
Net Change
-3421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21101
5K10K60706-646#21101#21747
10K15K117354-237#21747#21984
15K20K61444-1438#21984#23422
20KHalf3276-273#23422#23695
Half25K29332-303#23695#23998
25K30K25351-326#23998#24324
30K20M13173-160#24324#24484
20M21M4137+4#24484#24480
21M35K1536-21#24480#24501
35K23M3336-3#24501#24504
23M24M1255-43#24504#24547
24M40K4411+33#24547#24514
40K25.2M734-27#24514#24541
25.2MFinish3415+19#24541#24522
TOTALS4393860-3421
📊

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