Brad Kostrzebski

Purcellville, VA

Bib: 3467 M

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 12%
Gender (Male)
#0 / 9934
Top 16%
Division (M30-34)
#0 / 1564
Top 20%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:31/mi
23:22
279164
10K· 6.21 mi
6:51/mi
44:40
103217
15K· 9.32 mi
7:22/mi
1:07:32
5155
21K· 13.05 mi
7:51/mi
1:36:49
2037
25K· 15.53 mi
7:54/mi
1:56:28
35
30K· 18.64 mi
8:54/mi
2:24:08
5857
35K· 21.75 mi
9:32/mi
2:53:44
9892
40K· 24.85 mi
10:04/mi
3:24:59
3653
Finish· 26.22 mi
9:08/mi
3:37:27
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:36:497:25 /mi⚡ faster
2nd Half
2:00:379:10 /mi+24.6%
Positive split — 24.6% 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
23:227:313.11 mi23:22
7:31
-
10K
44:407:113.10 mi21:18
6:51
-0:40
15K
1:07:327:153.11 mi22:52
7:22
+0:31
21K
1:36:497:253.73 mi29:17
7:51
+0:29
25K
1:56:287:302.48 mi19:39
7:54
+0:03
30K
2:24:087:443.11 mi27:40
8:54
+1:00
35K
2:53:447:593.11 mi29:36
9:32
+0:38
40K
3:24:598:153.10 mi31:15
10:04
+0:32
Finish(26.22 mi)
3:37:278:181.37 mi12:28
9:08
-0:56
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:51 /mi

Average Pace

8:18 /mi

Slowest Pace

10:04 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

44:10

20% of race

Time at Steady Pace

1:12:18

33% of race

Time at Slower Pace

1:40:59

46% of race

Average Pace: 8:18 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi750651142855742162
10K3.10 mi634+116557+94127+15559502118
15K3.11 mi689-55606-49139-12855742162
21K3.73 mi845-156737-131159-2014881261252
25K2.48 mi989-144855-118180-2120571682327
30K3.11 mi1232-2431046-191216-3633192568490
35K3.11 mi1604-3721326-280263-4747563426615
40K3.10 mi1915-3111531-205297-3449273394610
Finish(26.22 mi)1.37 mi1945-301549-18303-631662256413

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×18story building
+279ft-164ft

Overall

855

Males

742

M30-34

742

5K→10K

3.1 - 6.2 mi

Top 4%
×11story building
+103ft-217ft

Overall

559

Males

502

M30-34

502

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+51ft-55ft

Overall

855

Males

742

M30-34

742

15K→21K

9.3 - 13.1 mi

Top 9%
×1story
+20ft-37ft

Overall

1488

Males

1261

M30-34

1261

21K→25K

13.1 - 15.5 mi

Top 13%
×2story building
+35ft-8ft

Overall

2057

Males

1682

M30-34

1682

25K→30K

15.5 - 18.6 mi

Top 21%
×2story building
+58ft-57ft

Overall

3319

Males

2568

M30-34

2568

30K→35K

18.6 - 21.8 mi

Top 30%
×2story building
+98ft-92ft

Overall

4756

Males

3426

M30-34

3426

35K→40K

21.8 - 24.9 mi

Top 31%
×2story building
+36ft-53ft

Overall

4927

Males

3394

M30-34

3394

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

3166

Males

2256

M30-34

2256

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#750
5K10K
6122+116
#750 #634
10K15K
616*-55
#634 #689
15K21K
1593*-156
#689 #845
21K25K
1528*-144
#845 #989
25K30K
2529*-243
#989 #1232
30K35K
38210*-372
#1232 #1604
35K40K
33726*-311
#1604 #1915
40KFinish
5121-30
#1915 #1945
TOTALS
1400205*-1195
#750 #1945

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

Passing Visualized

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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