ByoungGu Ko

Alexandria, VA

Bib: 646 M 53

0:00
0:00
/ mi
MastersBQ
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Overall
#0 / 1949
Top 5%
Gender (Male)
#0 / 1153
Top 7%
Masters (Masters Men)
#0 / 398
Top 4%
Division (M50-54)
#0 / 76
Top 1%
Race Day Weather
71°/61°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
6:48/mi
21:06
2631
1 ft elev
10K· 6.21 mi
6:48/mi
42:12
38170.1%
22 ft elev
15K· 9.32 mi
6:52/mi
1:03:29
26440.1%
5 ft elev
20K· 12.43 mi
6:56/mi
1:25:00
3522
17 ft elev
Half· 13.10 mi
7:23/mi
1:29:57
130.2%
11 ft elev
25K· 15.53 mi
7:52/mi
1:49:05
48190.2%
38 ft elev
30K· 18.64 mi
6:16/mi
2:08:33
3852
25 ft elev
35K· 21.75 mi
8:21/mi
2:34:29
3939
25 ft elev
25.2M
7:49/mi
3:01:25
5758
24 ft elev
Finish· 26.22 mi
7:29/mi
3:09:02
1712
28 ft elev
Course Elevation
-855 ft
×5story building
331 ft climb · 310 ft descent

The Course

Half Splits

1st Half· via Half
1:29:576:53 /mi⚡ faster
2nd Half
1:39:067:34 /mi+10.2%
Positive split — 10.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:066:483.11 mi21:06
6:48
-
10K
42:126:483.10 mi21:06
6:48
0:00
15K
1:03:296:493.11 mi21:17
6:52
+0:04
20K
1:25:006:513.11 mi21:31
6:56
+0:04
Half(13.10 mi)
1:29:576:530.67 mi4:57
7:23
+0:27
25K
1:49:057:022.43 mi19:08
7:52
+0:29
30K
2:08:336:543.11 mi19:28
6:16
-1:36
35K
2:34:297:073.11 mi25:56
8:21
+2:05
25.2M
3:01:257:123.45 mi26:56
7:49
-0:32
Finish(26.22 mi)
3:09:027:131.02 mi7:37
7:29
-0:20
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:16 /mi

Average Pace

7:13 /mi

Slowest Pace

8:21 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:44:28

55% of race

Time at Steady Pace

12:34

7% of race

Time at Slower Pace

1:12:00

38% of race

Average Pace: 7:13 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi6355180731
10K3.10 mi51+1246+9148431
15K3.11 mi50+145+1180731
20K3.11 mi65-1559-14193831
Half(13.10 mi)0.67 mi67-261-2171651
25K2.43 mi92-2582-2112241769
30K3.11 mi85+776+6176711
35K3.11 mi86-177-11116971
25.2M3.45 mi87-179-21120961
Finish(26.22 mi)1.02 mi91-482-311671273

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×1story
+26ft-31ft

Overall

80

Males

73

M50-54

1

5K→10K

3.1 - 6.2 mi

Top 2%
×2story building
+38ft-17ft

Overall

48

Males

43

M50-54

1

10K→15K

6.2 - 9.3 mi

Top 4%
×2story building
+26ft-44ft

Overall

80

Males

73

M50-54

1

15K→20K

9.3 - 12.4 mi

Top 5%
×1story
+35ft-22ft

Overall

93

Males

83

M50-54

1

20K→Half

12.4 - 13.1 mi

Top 4%
×1human
+7ft-13ft

Overall

71

Males

65

M50-54

1

Half→25K

13.1 - 15.5 mi

Top 11%
×2story building
+48ft-19ft

Overall

224

Males

176

M50-54

9

25K→30K

15.5 - 18.6 mi

Top 4%
×2story building
+38ft-52ft

Overall

76

Males

71

M50-54

1

30K→35K

18.6 - 21.8 mi

Top 6%
×2stacked humans
+39ft-39ft

Overall

116

Males

97

M50-54

1

35K→25.2M

21.8 - 25.2 mi

Top 6%
×3story building
+57ft-58ft

Overall

120

Males

96

M50-54

1

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×1human
+17ft-12ft

Overall

167

Males

127

M50-54

3

Passing Analysis

Category:
Passed
37
Passed By
65
Net Change
-28
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#63
5K10K142+12#63#51
10K15K21+1#51#50
15K20K015-15#50#65
20KHalf13-2#65#67
Half25K126-25#67#92
25K30K70+7#92#85
30K35K34-1#85#86
35K25.2M89-1#86#87
25.2MFinish15-4#87#91
TOTALS3765-28

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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