David Chang

Silver Spring, MD

Bib: 17454 M

0:00

0:00

/ mi

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Overall

#0 / 30047

Top 36%

Gender (Male)

#0 / 17709

Top 42%

Division (M30-34)

#0 / 2603

Top 49%

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

9:27/mi

29:22

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

8:56/mi

57:07

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

9:06/mi

1:25:22

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

9:10/mi

1:59:33

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

8:45/mi

2:21:19

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

9:35/mi

2:51:04

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

10:48/mi

3:24:37

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

12:58/mi

4:04:54

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

13:00/mi

4:22:38

↑ 80 ft↓ 24 ft0.8% grade

74 ft elev

Course Elevation

3–237 ft

≈

×20story building

•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K

1:59:339:10 /mi⚡ faster

2nd Half

2:23:0510:52 /mi+19.7%

Positive split — 19.7% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:22	9:27	3.11 mi	29:22	9:27	-
10K	57:07	9:12	3.10 mi	27:45	8:56	-0:31
15K	1:25:22	9:10	3.11 mi	28:15	9:06	+0:10
21K	1:59:33	9:10	3.73 mi	34:11	9:10	+0:04
25K	2:21:19	9:06	2.48 mi	21:46	8:45	-0:25
30K	2:51:04	9:11	3.11 mi	29:45	9:35	+0:50
35K	3:24:37	9:25	3.11 mi	33:33	10:48	+1:13
40K	4:04:54	9:51	3.10 mi	40:17	12:58	+2:10
Finish(26.22 mi)	4:22:38	10:01	1.37 mi	17:44	13:00	+0:02

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:45 /mi

Average Pace

10:01 /mi

Slowest Pace

13:00 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:51:04

65% of race

Time at Slower Pace

1:31:34

35% of race

Average Pace: 10:01 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
5K	3.11 mi	8345	6206	1102	9718	7114	1239
10K	3.10 mi	8606-261	6388-182	1134-32	9047	6702	1184
15K	3.11 mi	8971-365	6637-249	1172-38	9718	7114	1239
21K	3.73 mi	8829+142	6540+97	1157+15	8796	6490	1157
25K	2.48 mi	8502+327	6304+236	1114+43	7341	5487	970
30K	3.11 mi	8458+44	6247+57	1104+10	8725	6242	1087
35K	3.11 mi	8990-532	6502-255	1137-33	12259	7894	1292
40K	3.10 mi	10324-1334	7161-659	1226-89	18244	10972	1711
Finish(26.22 mi)	1.37 mi	10908-584	7465-304	1262-36	19175	11548	1835

11548

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#8345
5K → 10K	427166*-261	#8345 → #8606
10K → 15K	485120*-365	#8606 → #8971
15K → 21K	180322*+142	#8971 → #8829
21K → 25K	49376*+327	#8829 → #8502
25K → 30K	278322*+44	#8502 → #8458
30K → 35K	718186*-532	#8458 → #8990
35K → 40K	139965*-1334	#8990 → #10324
40K → Finish	61127*-584	#10324 → #10908
TOTALS	41471584*-2563	#8345 → #10908

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 20 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

U.S. Marine Corps Community Services (MCCS)

Race timed by

Timing Productions