Lou Byun

Washington, DC

Bib: 9654 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 15907
Top 38%
Gender (Male)
#0 / 9934
Top 44%
Masters (Masters Men)
#0 / 4070
Top 33%
Division (M40-44)
#0 / 1238
Top 42%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:28/mi
29:25
279164
10K· 6.21 mi
8:58/mi
57:18
103217
15K· 9.32 mi
9:26/mi
1:26:36
5155
21K· 13.05 mi
9:09/mi
2:00:43
2037
25K· 15.53 mi
9:00/mi
2:23:06
35
30K· 18.64 mi
9:52/mi
2:53:44
5857
35K· 21.75 mi
10:44/mi
3:27:05
9892
40K· 24.85 mi
10:50/mi
4:00:46
3653
Finish· 26.22 mi
10:48/mi
4:15:30
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:00:439:15 /mi⚡ faster
2nd Half
2:14:4610:14 /mi+11.6%
Positive split — 11.6% 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
29:259:283.11 mi29:25
9:28
-
10K
57:189:133.10 mi27:53
8:58
-0:30
15K
1:26:369:173.11 mi29:18
9:26
+0:28
21K
2:00:439:153.73 mi34:07
9:09
-0:17
25K
2:23:069:132.48 mi22:23
9:00
-0:09
30K
2:53:449:193.11 mi30:38
9:52
+0:52
35K
3:27:059:313.11 mi33:21
10:44
+0:52
40K
4:00:469:413.10 mi33:41
10:50
+0:06
Finish(26.22 mi)
4:15:309:451.37 mi14:44
10:48
-0:02
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:58 /mi

Average Pace

9:45 /mi

Slowest Pace

10:50 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

50:16

20% of race

Time at Steady Pace

1:32:50

36% of race

Time at Slower Pace

1:52:24

44% of race

Average Pace: 9:45 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi5886445752767645023609
10K3.10 mi5888-24470-13528-159654522528
15K3.11 mi6191-3034669-199558-3067645023609
21K3.73 mi5943+2484495+174537+2153574096482
25K2.48 mi5810+1334372+123522+1555344125495
30K3.11 mi5757+534307+65518+460054356526
35K3.11 mi5969-2124385-78525-774535006617
40K3.10 mi5928+414287+98513+1266384396516
Finish(26.22 mi)1.37 mi5954-264271+16511+270104568544

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×18story building
+279ft-164ft

Overall

6764

Males

5023

M40-44

5023

5K→10K

3.1 - 6.2 mi

Top 37%
×11story building
+103ft-217ft

Overall

5965

Males

4522

M40-44

4522

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+51ft-55ft

Overall

6764

Males

5023

M40-44

5023

15K→21K

9.3 - 13.1 mi

Top 34%
×1story
+20ft-37ft

Overall

5357

Males

4096

M40-44

4096

21K→25K

13.1 - 15.5 mi

Top 35%
×2story building
+35ft-8ft

Overall

5534

Males

4125

M40-44

4125

25K→30K

15.5 - 18.6 mi

Top 38%
×2story building
+58ft-57ft

Overall

6005

Males

4356

M40-44

4356

30K→35K

18.6 - 21.8 mi

Top 47%
×2story building
+98ft-92ft

Overall

7453

Males

5006

M40-44

5006

35K→40K

21.8 - 24.9 mi

Top 42%
×2story building
+36ft-53ft

Overall

6638

Males

4396

M40-44

4396

40K→Finish

24.9 - 26.2 mi

Top 44%
×5story building
+80ft-24ft

Overall

7010

Males

4568

M40-44

4568

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#5886
5K10K
199197*-2
#5886 #5888
10K15K
36259*-303
#5888 #6191
15K21K
42290*+248
#6191 #5943
21K25K
68201*+133
#5943 #5810
25K30K
155208*+53
#5810 #5757
30K35K
352140*-212
#5757 #5969
35K40K
158199*+41
#5969 #5928
40KFinish
9973*-26
#5928 #5954
TOTALS
14351367*-68
#5886 #5954

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
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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

U.S. Marine Corps Community Services (MCCS)

Timing Productions