Adam DuBoff

Arlington, VA

Bib: 4289 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 14%
Gender (Male)
#0 / 17709
Top 18%
Masters (Masters Men)
#0 / 8330
Top 12%
Division (M40-44)
#0 / 2340
Top 17%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
9:13/mi
28:38
2791640.7%
140 ft elev
10K· 6.21 mi
8:30/mi
55:01
1032170.7%
25 ft elev
15K· 9.32 mi
8:12/mi
1:20:29
5155
21 ft elev
21K· 13.05 mi
8:16/mi
1:51:20
2037
4 ft elev
25K· 15.53 mi
8:23/mi
2:12:09
350.2%
30 ft elev
30K· 18.64 mi
8:28/mi
2:38:28
5857
30 ft elev
35K· 21.75 mi
8:46/mi
3:05:41
9892
36 ft elev
40K· 24.85 mi
9:06/mi
3:33:57
36530.1%
18 ft elev
Finish· 26.22 mi
9:05/mi
3:46:20
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:51:208:32 /mi⚡ faster
2nd Half
1:55:008:44 /mi+3.3%
Positive split — 3.3% 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
28:389:133.11 mi28:38
9:13
-
10K
55:018:513.10 mi26:23
8:30
-0:43
15K
1:20:298:383.11 mi25:28
8:12
-0:18
21K
1:51:208:323.73 mi30:51
8:16
+0:04
25K
2:12:098:302.48 mi20:49
8:23
+0:07
30K
2:38:288:303.11 mi26:19
8:28
+0:05
35K
3:05:418:323.11 mi27:13
8:46
+0:18
40K
3:33:578:363.10 mi28:16
9:06
+0:20
Finish(26.22 mi)
3:46:208:381.37 mi12:23
9:05
-0:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:12 /mi

Average Pace

8:38 /mi

Slowest Pace

9:13 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:37:03

69% of race

Time at Steady Pace

1:09:17

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi6800517366043313476422
10K3.10 mi6416+3844930+243626+3460864743602
15K3.11 mi5583+8334364+566549+7743313476422
21K3.73 mi4967+6163921+443482+6738623106370
25K2.48 mi4933+343876+45479+351163954487
30K3.11 mi4574+3593585+291448+3137662946363
35K3.11 mi4368+2063388+197424+2440643059372
40K3.10 mi4253+1153265+123404+2044563190383
Finish(26.22 mi)1.37 mi4187+663195+70395+944453145364

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×18story building
+279ft-164ft

Overall

4331

Males

3476

M40-44

3476

5K→10K

3.1 - 6.2 mi

Top 20%
×11story building
+103ft-217ft

Overall

6086

Males

4743

M40-44

4743

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+51ft-55ft

Overall

4331

Males

3476

M40-44

3476

15K→21K

9.3 - 13.1 mi

Top 13%
×1story
+20ft-37ft

Overall

3862

Males

3106

M40-44

3106

21K→25K

13.1 - 15.5 mi

Top 17%
×2story building
+35ft-8ft

Overall

5116

Males

3954

M40-44

3954

25K→30K

15.5 - 18.6 mi

Top 13%
×2story building
+58ft-57ft

Overall

3766

Males

2946

M40-44

2946

30K→35K

18.6 - 21.8 mi

Top 14%
×2story building
+98ft-92ft

Overall

4064

Males

3059

M40-44

3059

35K→40K

21.8 - 24.9 mi

Top 15%
×2story building
+36ft-53ft

Overall

4456

Males

3190

M40-44

3190

40K→Finish

24.9 - 26.2 mi

Top 15%
×5story building
+80ft-24ft

Overall

4445

Males

3145

M40-44

3145

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#6800
5K10K
126510*+384
#6800 #6416
10K15K
3836*+833
#6416 #5583
15K21K
15631*+616
#5583 #4967
21K25K
99133+34
#4967 #4933
25K30K
21380*+359
#4933 #4574
30K35K
74280*+206
#4574 #4368
35K40K
117232*+115
#4368 #4253
40KFinish
46112*+66
#4253 #4187
TOTALS
5013114*+2613
#6800 #4187

* 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