Chuan Dai

Mclean, VA

Bib: 17443 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 15907
Gender (Male)
#0 / 9934
Masters (Masters Men)
#0 / 4070
Division (M50-54)
#0 / 768
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
10:32/mi
32:43
279164
10K· 6.21 mi
10:15/mi
1:04:34
103217
15K· 9.32 mi
11:14/mi
1:39:27
5155
21K· 13.05 mi
13:29/mi
2:29:42
2037
25K· 15.53 mi
11:25/mi
2:58:05
35
30K· 18.64 mi
12:58/mi
3:38:22
5857
35K· 21.75 mi
13:38/mi
4:20:44
9892
40K· 24.85 mi
14:06/mi
5:04:31
3653
Finish· 26.22 mi
14:32/mi
5:24:21
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:29:4211:28 /mi⚡ faster
2nd Half
2:54:3813:16 /mi+16.7%
Positive split — 16.7% 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
32:4310:323.11 mi32:43
10:32
-
10K
1:04:3410:233.10 mi31:51
10:15
-0:17
15K
1:39:2710:403.11 mi34:53
11:14
+0:59
21K
2:29:4211:283.73 mi50:15
13:29
+2:15
25K
2:58:0511:282.48 mi28:23
11:25
-2:04
30K
3:38:2211:433.11 mi40:17
12:58
+1:33
35K
4:20:4411:593.11 mi42:22
13:38
+0:40
40K
5:04:3112:153.10 mi43:47
14:06
+0:28
Finish(26.22 mi)
5:24:2112:231.37 mi19:50
14:32
+0:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:15 /mi

Average Pace

12:23 /mi

Slowest Pace

14:32 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:07:50

39% of race

Time at Steady Pace

2:12:54

41% of race

Time at Slower Pace

1:03:37

20% of race

Average Pace: 12:22 /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 mi97326830449125838409591
10K3.10 mi10252-5207153-323484-35107117409498
15K3.11 mi11141-8897643-490520-36125838409591
21K3.73 mi13068-19278662-1019629-109149529512719
25K2.48 mi12813+2558495+167608+21119477854553
30K3.11 mi12728+858385+110600+8126008087581
35K3.11 mi12817-898359+26593+7127958065590
40K3.10 mi12827-108313+46597-4126727964586
Finish(26.22 mi)1.37 mi12876-498321-8600-3136028501633

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×18story building
+279ft-164ft

Overall

12583

Males

8409

M50-54

8409

5K→10K

3.1 - 6.2 mi

Top 67%
×11story building
+103ft-217ft

Overall

10711

Males

7409

M50-54

7409

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+51ft-55ft

Overall

12583

Males

8409

M50-54

8409

15K→21K

9.3 - 13.1 mi

Top 94%
×1story
+20ft-37ft

Overall

14952

Males

9512

M50-54

9512

21K→25K

13.1 - 15.5 mi

Top 75%
×2story building
+35ft-8ft

Overall

11947

Males

7854

M50-54

7854

25K→30K

15.5 - 18.6 mi

Top 79%
×2story building
+58ft-57ft

Overall

12600

Males

8087

M50-54

8087

30K→35K

18.6 - 21.8 mi

Top 80%
×2story building
+98ft-92ft

Overall

12795

Males

8065

M50-54

8065

35K→40K

21.8 - 24.9 mi

Top 80%
×2story building
+36ft-53ft

Overall

12672

Males

7964

M50-54

7964

40K→Finish

24.9 - 26.2 mi

Top 86%
×5story building
+80ft-24ft

Overall

13602

Males

8501

M50-54

8501

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#9732
5K10K
60080*-520
#9732 #10252
10K15K
94758*-889
#10252 #11141
15K21K
194720*-1927
#11141 #13068
21K25K
57312*+255
#13068 #12813
25K30K
146231*+85
#12813 #12728
30K35K
242153*-89
#12728 #12817
35K40K
161151*-10
#12817 #12827
40KFinish
9950*-49
#12827 #12876
TOTALS
41991055*-3144
#9732 #12876

* 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