Brian Contreras

Chicago, IL

Bib: 3611 M

0:00

0:00

/ mi

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Overall

#0 / 15907

Top 28%

Gender (Male)

#0 / 9934

Top 33%

Division (M35-39)

#0 / 1396

Top 34%

Race Day Weather

43°/33°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

27 ft elev

5K· 3.11 mi

9:32/mi

29:36

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

9:02/mi

57:39

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

9:24/mi

1:26:50

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

9:01/mi

2:00:26

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

8:33/mi

2:21:42

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

9:02/mi

2:49:47

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

8:56/mi

3:17:32

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

9:27/mi

3:46:54

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

9:22/mi

3:59:41

↑ 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

2:00:269:14 /mi⚖️ balanced

2nd Half

1:59:159:03 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:36	9:32	3.11 mi	29:36	9:32	-
10K	57:39	9:17	3.10 mi	28:03	9:02	-0:30
15K	1:26:50	9:19	3.11 mi	29:11	9:24	+0:22
21K	2:00:26	9:14	3.73 mi	33:36	9:01	-0:23
25K	2:21:42	9:07	2.48 mi	21:16	8:33	-0:28
30K	2:49:47	9:06	3.11 mi	28:05	9:02	+0:29
35K	3:17:32	9:05	3.11 mi	27:45	8:56	-0:06
40K	3:46:54	9:08	3.10 mi	29:22	9:27	+0:31
Finish(26.22 mi)	3:59:41	9:09	1.37 mi	12:47	9:22	-0:05

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:33 /mi

Average Pace

9:09 /mi

Slowest Pace

9:32 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:00:43

75% of race

Time at Steady Pace

58:58

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:08 /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	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
5K	3.11 mi	6087	4590	686	6643	4949	753
10K	3.10 mi	6107-20	4615-25	688-2	6169	4661	698
15K	3.11 mi	6283-176	4724-109	717-29	6643	4949	753
21K	3.73 mi	5854+429	4436+288	655+62	4765	3680	525
25K	2.48 mi	5426+428	4131+305	606+49	3827	2976	429
30K	3.11 mi	5028+398	3828+303	558+48	3732	2851	418
35K	3.11 mi	4560+468	3459+369	493+65	3276	2453	356
40K	3.10 mi	4364+196	3278+181	477+16	3639	2573	375
Finish(26.22 mi)	1.37 mi	4333+31	3240+38	471+6	3692	2583	365

2583

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#6087
5K → 10K	208188*-20	#6087 → #6107
10K → 15K	27094*-176	#6107 → #6283
15K → 21K	13442*+429	#6283 → #5854
21K → 25K	3431*+428	#5854 → #5426
25K → 30K	10408*+398	#5426 → #5028
30K → 35K	16484*+468	#5028 → #4560
35K → 40K	79275*+196	#4560 → #4364
40K → Finish	4677*+31	#4364 → #4333
TOTALS	6452399*+1754	#6087 → #4333

* 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 21 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