John Seok

Fairfax, VA

Bib: 10702 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 38%
Gender (Male)
#0 / 17709
Top 44%
Masters (Masters Men)
#0 / 8330
Top 35%
Division (M50-54)
#0 / 1638
Top 35%
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
8:37/mi
26:45
279164
10K· 6.21 mi
7:57/mi
51:27
103217
15K· 9.32 mi
8:17/mi
1:17:10
5155
21K· 13.05 mi
8:47/mi
1:49:54
2037
25K· 15.53 mi
9:40/mi
2:13:56
35
30K· 18.64 mi
11:02/mi
2:48:13
5857
35K· 21.75 mi
12:23/mi
3:26:41
9892
40K· 24.85 mi
13:13/mi
4:07:46
3653
Finish· 26.22 mi
13:12/mi
4:25:46
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:49:548:25 /mi⚡ faster
2nd Half
2:35:5111:50 /mi+41.8%
Positive split — 41.8% 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
26:458:373.11 mi26:45
8:37
-
10K
51:278:173.10 mi24:42
7:57
-0:40
15K
1:17:108:173.11 mi25:43
8:17
+0:20
21K
1:49:548:253.73 mi32:44
8:47
+0:30
25K
2:13:568:372.48 mi24:02
9:40
+0:53
30K
2:48:139:013.11 mi34:17
11:02
+1:22
35K
3:26:419:303.11 mi38:28
12:23
+1:21
40K
4:07:469:583.10 mi41:05
13:13
+0:50
Finish(26.22 mi)
4:25:4610:091.37 mi18:00
13:12
-0:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:57 /mi

Average Pace

10:09 /mi

Slowest Pace

13:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:17:10

29% of race

Time at Steady Pace

56:46

21% of race

Time at Slower Pace

2:11:50

50% of race

Average Pace: 10:08 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3693297816046523706212
10K3.10 mi3684+92989-11158+236632977154
15K3.11 mi3978-2943203-214167-946523706212
21K3.73 mi4450-4723539-336195-2862454798289
25K2.48 mi5471-10214268-729256-61119628296589
30K3.11 mi7458-19875583-1315361-105148729707733
35K3.11 mi9451-19936781-1198481-1201793710984895
40K3.10 mi10930-14797516-735538-571900611416917
Finish(26.22 mi)1.37 mi11524-5947829-313570-321977711909945

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×18story building
+279ft-164ft

Overall

4652

Males

3706

M50-54

3706

5K→10K

3.1 - 6.2 mi

Top 12%
×11story building
+103ft-217ft

Overall

3663

Males

2977

M50-54

2977

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+51ft-55ft

Overall

4652

Males

3706

M50-54

3706

15K→21K

9.3 - 13.1 mi

Top 21%
×1story
+20ft-37ft

Overall

6245

Males

4798

M50-54

4798

21K→25K

13.1 - 15.5 mi

Top 40%
×2story building
+35ft-8ft

Overall

11962

Males

8296

M50-54

8296

25K→30K

15.5 - 18.6 mi

Top 49%
×2story building
+58ft-57ft

Overall

14872

Males

9707

M50-54

9707

30K→35K

18.6 - 21.8 mi

Top 60%
×2story building
+98ft-92ft

Overall

17937

Males

10984

M50-54

10984

35K→40K

21.8 - 24.9 mi

Top 63%
×2story building
+36ft-53ft

Overall

19006

Males

11416

M50-54

11416

40K→Finish

24.9 - 26.2 mi

Top 66%
×5story building
+80ft-24ft

Overall

19777

Males

11909

M50-54

11909

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#3693
5K10K
147156*+9
#3693 #3684
10K15K
33036*-294
#3684 #3978
15K21K
50533*-472
#3978 #4450
21K25K
104019-1021
#4450 #5471
25K30K
201326*-1987
#5471 #7458
30K35K
203239*-1993
#7458 #9451
35K40K
153657*-1479
#9451 #10930
40KFinish
61925*-594
#10930 #11524
TOTALS
8222391*-7831
#3693 #11524

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions