Joon Lee

Herndon, VA

Bib: 1720 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 15907
Top 8%
Gender (Male)
#0 / 9934
Top 11%
Masters (Masters Men)
#0 / 4070
Top 6%
Division (M45-49)
#0 / 933
Top 7%
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
8:21/mi
25:55
279164
10K· 6.21 mi
7:53/mi
50:25
103217
15K· 9.32 mi
7:56/mi
1:15:05
5155
21K· 13.05 mi
7:57/mi
1:44:44
2037
25K· 15.53 mi
7:36/mi
2:03:38
35
30K· 18.64 mi
8:07/mi
2:28:52
5857
35K· 21.75 mi
7:51/mi
2:53:16
9892
40K· 24.85 mi
7:48/mi
3:17:30
3653
Finish· 26.22 mi
7:48/mi
3:28:08
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:44:448:02 /mi+1.3%
2nd Half
1:43:237:51 /mi✓ faster
Negative split — 1.3% faster 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
25:558:213.11 mi25:55
8:21
-
10K
50:258:073.10 mi24:30
7:53
-0:28
15K
1:15:058:033.11 mi24:40
7:56
+0:03
21K
1:44:448:023.73 mi29:39
7:57
+0:01
25K
2:03:387:582.48 mi18:54
7:36
-0:21
30K
2:28:527:593.11 mi25:14
8:07
+0:31
35K
2:53:167:583.11 mi24:24
7:51
-0:16
40K
3:17:307:573.10 mi24:14
7:48
-0:03
Finish(26.22 mi)
3:28:087:571.37 mi10:38
7:48
0:00
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:36 /mi

Average Pace

7:57 /mi

Slowest Pace

8:21 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:36:59

75% of race

Time at Steady Pace

51:09

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi204816761101800149398
10K3.10 mi2078-301698-22105+521191740111
15K3.11 mi1984+941635+63103+21800149398
21K3.73 mi1898+861577+5899+41661139284
25K2.48 mi1776+1221478+9987+121384116071
30K3.11 mi1700+761412+6685+21586129980
35K3.11 mi1542+1581279+13379+6113894458
40K3.10 mi1351+1911112+16769+1081266343
Finish(26.22 mi)1.37 mi1290+611065+4763+687171044

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×18story building
+279ft-164ft

Overall

1800

Males

1493

M45-49

1493

5K→10K

3.1 - 6.2 mi

Top 13%
×11story building
+103ft-217ft

Overall

2119

Males

1740

M45-49

1740

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+51ft-55ft

Overall

1800

Males

1493

M45-49

1493

15K→21K

9.3 - 13.1 mi

Top 10%
×1story
+20ft-37ft

Overall

1661

Males

1392

M45-49

1392

21K→25K

13.1 - 15.5 mi

Top 9%
×2story building
+35ft-8ft

Overall

1384

Males

1160

M45-49

1160

25K→30K

15.5 - 18.6 mi

Top 10%
×2story building
+58ft-57ft

Overall

1586

Males

1299

M45-49

1299

30K→35K

18.6 - 21.8 mi

Top 7%
×2story building
+98ft-92ft

Overall

1138

Males

944

M45-49

944

35K→40K

21.8 - 24.9 mi

Top 5%
×2story building
+36ft-53ft

Overall

812

Males

663

M45-49

663

40K→Finish

24.9 - 26.2 mi

Top 5%
×5story building
+80ft-24ft

Overall

871

Males

710

M45-49

710

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#2048
5K10K
10373-30
#2048 #2078
10K15K
17111*+94
#2078 #1984
15K21K
22108*+86
#1984 #1898
21K25K
4126*+122
#1898 #1776
25K30K
26102*+76
#1776 #1700
30K35K
6164*+158
#1700 #1542
35K40K
9200*+191
#1542 #1351
40KFinish
263+61
#1351 #1290
TOTALS
189947*+758
#2048 #1290

* 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