John Williams

Arlington, VA

Bib: 28250 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 (M45-49)
#0 / 1775
Top 34%
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
9:56/mi
30:52
279164
10K· 6.21 mi
9:22/mi
59:57
103217
15K· 9.32 mi
9:19/mi
1:28:54
5155
21K· 13.05 mi
9:31/mi
2:04:22
2037
25K· 15.53 mi
9:21/mi
2:27:37
35
30K· 18.64 mi
10:08/mi
2:59:05
5857
35K· 21.75 mi
10:31/mi
3:31:44
9892
40K· 24.85 mi
10:49/mi
4:05:21
3653
Finish· 26.22 mi
10:25/mi
4:19:34
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:04:229:32 /mi⚡ faster
2nd Half
2:15:1210:16 /mi+8.7%
Positive split — 8.7% 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
30:529:563.11 mi30:52
9:56
-
10K
59:579:393.10 mi29:05
9:22
-0:34
15K
1:28:549:323.11 mi28:57
9:19
-0:03
21K
2:04:229:323.73 mi35:28
9:31
+0:12
25K
2:27:379:302.48 mi23:15
9:21
-0:10
30K
2:59:059:363.11 mi31:28
10:08
+0:47
35K
3:31:449:443.11 mi32:39
10:31
+0:23
40K
4:05:219:523.10 mi33:37
10:49
+0:18
Finish(26.22 mi)
4:19:349:541.37 mi14:13
10:25
-0:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:19 /mi

Average Pace

9:54 /mi

Slowest Pace

10:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:59:05

69% of race

Time at Steady Pace

1:20:29

31% of race

Time at Slower Pace

0:00

0% 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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi112168033686109057857663
10K3.10 mi11412-1968177-144703-17117698406722
15K3.11 mi11205+2078052+125684+19109057857663
21K3.73 mi10979+2267903+149663+21107297731649
25K2.48 mi10761+2187738+165647+16104497430613
30K3.11 mi10670+917622+116637+10110927611643
35K3.11 mi10552+1187431+191622+15111077291630
40K3.10 mi10425+1277223+208611+11108566887587
Finish(26.22 mi)1.37 mi10323+1027125+98601+1096346124494

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×18story building
+279ft-164ft

Overall

10905

Males

7857

M45-49

7857

5K→10K

3.1 - 6.2 mi

Top 39%
×11story building
+103ft-217ft

Overall

11769

Males

8406

M45-49

8406

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+51ft-55ft

Overall

10905

Males

7857

M45-49

7857

15K→21K

9.3 - 13.1 mi

Top 36%
×1story
+20ft-37ft

Overall

10729

Males

7731

M45-49

7731

21K→25K

13.1 - 15.5 mi

Top 35%
×2story building
+35ft-8ft

Overall

10449

Males

7430

M45-49

7430

25K→30K

15.5 - 18.6 mi

Top 37%
×2story building
+58ft-57ft

Overall

11092

Males

7611

M45-49

7611

30K→35K

18.6 - 21.8 mi

Top 37%
×2story building
+98ft-92ft

Overall

11107

Males

7291

M45-49

7291

35K→40K

21.8 - 24.9 mi

Top 36%
×2story building
+36ft-53ft

Overall

10856

Males

6887

M45-49

6887

40K→Finish

24.9 - 26.2 mi

Top 32%
×5story building
+80ft-24ft

Overall

9634

Males

6124

M45-49

6124

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#11216
5K10K
447251*-196
#11216 #11412
10K15K
158365*+207
#11412 #11205
15K21K
167393*+226
#11205 #10979
21K25K
108326*+218
#10979 #10761
25K30K
227318*+91
#10761 #10670
30K35K
286404*+118
#10670 #10552
35K40K
254381*+127
#10552 #10425
40KFinish
78180*+102
#10425 #10323
TOTALS
17252618*+893
#11216 #10323

* 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