David Groom

Quantico, VA

Bib: 884 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 6%
Gender (Male)
#0 / 17709
Top 8%
Masters (Masters Men)
#0 / 8330
Top 5%
Division (M40-44)
#0 / 2340
Top 7%
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
7:42/mi
23:56
279164
10K· 6.21 mi
7:23/mi
46:51
103217
15K· 9.32 mi
7:36/mi
1:10:28
5155
21K· 13.05 mi
7:52/mi
1:39:47
2037
25K· 15.53 mi
7:37/mi
1:58:43
35
30K· 18.64 mi
7:56/mi
2:23:23
5857
35K· 21.75 mi
8:17/mi
2:49:07
9892
40K· 24.85 mi
8:22/mi
3:15:08
3653
Finish· 26.22 mi
8:15/mi
3:26:23
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:39:477:39 /mi⚡ faster
2nd Half
1:46:358:06 /mi+6.8%
Positive split — 6.8% 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
23:567:423.11 mi23:56
7:42
-
10K
46:517:323.10 mi22:55
7:23
-0:19
15K
1:10:287:343.11 mi23:37
7:36
+0:13
21K
1:39:477:393.73 mi29:19
7:52
+0:16
25K
1:58:437:392.48 mi18:56
7:37
-0:15
30K
2:23:237:423.11 mi24:40
7:56
+0:19
35K
2:49:077:473.11 mi25:44
8:17
+0:21
40K
3:15:087:513.10 mi26:01
8:22
+0:05
Finish(26.22 mi)
3:26:237:531.37 mi11:15
8:15
-0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:23 /mi

Average Pace

7:53 /mi

Slowest Pace

8:22 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:23:23

69% of race

Time at Steady Pace

1:03:00

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi1275110413521741795214
10K3.10 mi1487-2121270-166155-2017541487182
15K3.11 mi1663-1761410-140171-1621741795214
21K3.73 mi1797-1341513-103182-1123841976242
25K2.48 mi1830-331531-18181+122471840220
30K3.11 mi1834-41529+2177+421801756205
35K3.11 mi1886-521554-25180-325892040242
40K3.10 mi1863+231520+34172+823471812208
Finish(26.22 mi)1.37 mi1851+121505+15166+620191553169

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×18story building
+279ft-164ft

Overall

2174

Males

1795

M40-44

1795

5K→10K

3.1 - 6.2 mi

Top 6%
×11story building
+103ft-217ft

Overall

1754

Males

1487

M40-44

1487

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+51ft-55ft

Overall

2174

Males

1795

M40-44

1795

15K→21K

9.3 - 13.1 mi

Top 8%
×1story
+20ft-37ft

Overall

2384

Males

1976

M40-44

1976

21K→25K

13.1 - 15.5 mi

Top 7%
×2story building
+35ft-8ft

Overall

2247

Males

1840

M40-44

1840

25K→30K

15.5 - 18.6 mi

Top 7%
×2story building
+58ft-57ft

Overall

2180

Males

1756

M40-44

1756

30K→35K

18.6 - 21.8 mi

Top 9%
×2story building
+98ft-92ft

Overall

2589

Males

2040

M40-44

2040

35K→40K

21.8 - 24.9 mi

Top 8%
×2story building
+36ft-53ft

Overall

2347

Males

1812

M40-44

1812

40K→Finish

24.9 - 26.2 mi

Top 7%
×5story building
+80ft-24ft

Overall

2019

Males

1553

M40-44

1553

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#1275
5K10K
2175-212
#1275 #1487
10K15K
1837-176
#1487 #1663
15K21K
14814*-134
#1663 #1797
21K25K
6532-33
#1797 #1830
25K30K
6965*-4
#1830 #1834
30K35K
11866-52
#1834 #1886
35K40K
83106*+23
#1886 #1863
40KFinish
2840*+12
#1863 #1851
TOTALS
911335*-576
#1275 #1851

* 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