Seth Byrum

Arlington, VA

Bib: 19545 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 16%
Gender (Male)
#0 / 17709
Top 21%
Masters (Masters Men)
#0 / 8330
Top 14%
Division (M40-44)
#0 / 2340
Top 19%
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
8:08/mi
25:17
279164
10K· 6.21 mi
7:35/mi
48:51
103217
15K· 9.32 mi
7:46/mi
1:12:58
5155
21K· 13.05 mi
8:07/mi
1:43:15
2037
25K· 15.53 mi
7:55/mi
2:02:56
35
30K· 18.64 mi
8:29/mi
2:29:16
5857
35K· 21.75 mi
10:37/mi
3:02:15
9892
40K· 24.85 mi
10:52/mi
3:36:02
3653
Finish· 26.22 mi
10:46/mi
3:50:43
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:43:157:55 /mi⚡ faster
2nd Half
2:07:289:41 /mi+23.5%
Positive split — 23.5% 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
25:178:083.11 mi25:17
8:08
-
10K
48:517:523.10 mi23:34
7:35
-0:33
15K
1:12:587:503.11 mi24:07
7:46
+0:11
21K
1:43:157:553.73 mi30:17
8:07
+0:21
25K
2:02:567:552.48 mi19:41
7:55
-0:12
30K
2:29:168:003.11 mi26:20
8:29
+0:34
35K
3:02:158:233.11 mi32:59
10:37
+2:08
40K
3:36:028:423.10 mi33:47
10:52
+0:15
Finish(26.22 mi)
3:50:438:481.37 mi14:41
10:46
-0:06
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:35 /mi

Average Pace

8:48 /mi

Slowest Pace

10:52 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:29:16

65% of race

Time at Slower Pace

1:21:27

35% of race

Average Pace: 8:48 /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 mi2127175320827602263277
10K3.10 mi2163-361781-28213-522351846220
15K3.11 mi2271-1081868-87224-1127602263277
21K3.73 mi2506-2352051-183245-2133672739324
25K2.48 mi2664-1582182-131261-1633202655316
30K3.11 mi2840-1762316-134280-1937972968366
35K3.11 mi3788-9482994-678365-85115297514981
40K3.10 mi4572-7843493-499420-55110686989897
Finish(26.22 mi)1.37 mi4924-3523705-212451-31109606836854

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×18story building
+279ft-164ft

Overall

2760

Males

2263

M40-44

2263

5K→10K

3.1 - 6.2 mi

Top 7%
×11story building
+103ft-217ft

Overall

2235

Males

1846

M40-44

1846

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+51ft-55ft

Overall

2760

Males

2263

M40-44

2263

15K→21K

9.3 - 13.1 mi

Top 11%
×1story
+20ft-37ft

Overall

3367

Males

2739

M40-44

2739

21K→25K

13.1 - 15.5 mi

Top 11%
×2story building
+35ft-8ft

Overall

3320

Males

2655

M40-44

2655

25K→30K

15.5 - 18.6 mi

Top 13%
×2story building
+58ft-57ft

Overall

3797

Males

2968

M40-44

2968

30K→35K

18.6 - 21.8 mi

Top 38%
×2story building
+98ft-92ft

Overall

11529

Males

7514

M40-44

7514

35K→40K

21.8 - 24.9 mi

Top 37%
×2story building
+36ft-53ft

Overall

11068

Males

6989

M40-44

6989

40K→Finish

24.9 - 26.2 mi

Top 36%
×5story building
+80ft-24ft

Overall

10960

Males

6836

M40-44

6836

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#2127
5K10K
11579*-36
#2127 #2163
10K15K
13729*-108
#2163 #2271
15K21K
25621*-235
#2271 #2506
21K25K
19436-158
#2506 #2664
25K30K
24367*-176
#2664 #2840
30K35K
96214*-948
#2840 #3788
35K40K
82642*-784
#3788 #4572
40KFinish
36715*-352
#4572 #4924
TOTALS
3100303*-2797
#2127 #4924

* 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