Robert Williamson

Annandale, VA

Bib: 19381 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 34%
Gender (Male)
#0 / 17709
Top 40%
Masters (Masters Men)
#0 / 8330
Top 31%
Division (M40-44)
#0 / 2340
Top 39%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:04/mi
31:18
279164
10K· 6.21 mi
9:39/mi
1:01:18
103217
15K· 9.32 mi
9:32/mi
1:30:54
5155
21K· 13.05 mi
10:10/mi
2:08:50
2037
25K· 15.53 mi
9:01/mi
2:31:15
35
30K· 18.64 mi
9:38/mi
3:01:12
5857
35K· 21.75 mi
9:53/mi
3:31:55
9892
40K· 24.85 mi
10:26/mi
4:04:20
3653
Finish· 26.22 mi
11:05/mi
4:19:27
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:08:509:52 /mi⚡ faster
2nd Half
2:10:379:55 /mi+1.4%
Positive split — 1.4% 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
31:1810:043.11 mi31:18
10:04
-
10K
1:01:189:523.10 mi30:00
9:39
-0:25
15K
1:30:549:453.11 mi29:36
9:32
-0:07
21K
2:08:509:523.73 mi37:56
10:10
+0:38
25K
2:31:159:442.48 mi22:25
9:01
-1:09
30K
3:01:129:433.11 mi29:57
9:38
+0:37
35K
3:31:559:453.11 mi30:43
9:53
+0:15
40K
4:04:209:503.10 mi32:25
10:26
+0:33
Finish(26.22 mi)
4:19:279:541.37 mi15:07
11:05
+0:39
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:01 /mi

Average Pace

9:54 /mi

Slowest Pace

11:05 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

52:01

20% of race

Time at Steady Pace

2:01:58

47% of race

Time at Slower Pace

1:25:28

33% of race

Average Pace: 9:54 /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 mi12114858111021211685911112
10K3.10 mi12778-6648984-4031155-531351094391220
15K3.11 mi12486+2928820+1641139+161211685911112
21K3.73 mi12852-3668993-1731172-331411497121265
25K2.48 mi12052+8008502+4911099+7389046494828
30K3.11 mi11290+7627987+5151027+7290136405807
35K3.11 mi10599+6917455+532951+7686835946750
40K3.10 mi10194+4057090+365907+4493536033776
Finish(26.22 mi)1.37 mi10290-967106-16909-2122457567958

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×18story building
+279ft-164ft

Overall

12116

Males

8591

M40-44

8591

5K→10K

3.1 - 6.2 mi

Top 45%
×11story building
+103ft-217ft

Overall

13510

Males

9439

M40-44

9439

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+51ft-55ft

Overall

12116

Males

8591

M40-44

8591

15K→21K

9.3 - 13.1 mi

Top 47%
×1story
+20ft-37ft

Overall

14114

Males

9712

M40-44

9712

21K→25K

13.1 - 15.5 mi

Top 30%
×2story building
+35ft-8ft

Overall

8904

Males

6494

M40-44

6494

25K→30K

15.5 - 18.6 mi

Top 30%
×2story building
+58ft-57ft

Overall

9013

Males

6405

M40-44

6405

30K→35K

18.6 - 21.8 mi

Top 29%
×2story building
+98ft-92ft

Overall

8683

Males

5946

M40-44

5946

35K→40K

21.8 - 24.9 mi

Top 31%
×2story building
+36ft-53ft

Overall

9353

Males

6033

M40-44

6033

40K→Finish

24.9 - 26.2 mi

Top 41%
×5story building
+80ft-24ft

Overall

12245

Males

7567

M40-44

7567

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#12114
5K10K
812148*-664
#12114 #12778
10K15K
132424*+292
#12778 #12486
15K21K
574208*-366
#12486 #12852
21K25K
5805*+800
#12852 #12052
25K30K
27789*+762
#12052 #11290
30K35K
47738*+691
#11290 #10599
35K40K
121526*+405
#10599 #10194
40KFinish
203107*-96
#10194 #10290
TOTALS
19213745*+1824
#12114 #10290

* 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