Byungsuk Choi

Fairfax, VA

Bib: 30239 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Division (M45-49)
#0 / 1775
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
11:58/mi
37:10
2791640.7%
140 ft elev
10K· 6.21 mi
11:32/mi
1:13:00
1032170.7%
25 ft elev
15K· 9.32 mi
11:37/mi
1:49:04
5155
21 ft elev
21K· 13.05 mi
12:37/mi
2:36:07
2037
4 ft elev
25K· 15.53 mi
12:57/mi
3:08:17
350.2%
30 ft elev
30K· 18.64 mi
14:27/mi
3:53:12
5857
30 ft elev
35K· 21.75 mi
14:51/mi
4:39:21
9892
36 ft elev
40K· 24.85 mi
14:32/mi
5:24:29
36530.1%
18 ft elev
Finish· 26.22 mi
18:28/mi
5:49:40
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:36:07
Pace11:58 /mi
2nd Half
Distance13.17 mi
Time3:13:32
Pace14:42 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:25:2637:1011:5837:10
11:58
-
10K
6.21 mi09:01:161:13:0011:4535:50
11:32
-0:26
15K
9.32 mi09:37:201:49:0411:4236:04
11:37
+0:05
21K
13.05 mi10:24:232:36:0711:5847:03
12:37
+1:00
25K
15.53 mi10:56:333:08:1712:0732:10
12:57
+0:20
30K
18.64 mi11:41:283:53:1212:3144:55
14:27
+1:30
35K
21.75 mi12:27:374:39:2112:5146:09
14:51
+0:24
40K
24.85 mi13:12:455:24:2913:0345:08
14:32
-0:19
Finish
26.22 mi13:37:565:49:4013:2125:11
18:28
+3:56

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

11:32 /mi

Average Pace

13:21 /mi

Slowest Pace

18:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:54

21% of race

Time at Steady Pace

1:56:23

33% of race

Time at Slower Pace

2:41:23

46% of race

Average Pace: 13:20 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:25:2637:1011:5837:10
11:58
#23749
10K
6.21 mi09:01:161:13:0011:4535:50
11:32
#24288
15K
9.32 mi09:37:201:49:0411:4236:04
11:37
#24001
21K
13.05 mi10:24:232:36:0711:5847:03
12:37
#24017
25K
15.53 mi10:56:333:08:1712:0732:10
12:57
#24059
30K
18.64 mi11:41:283:53:1212:3144:55
14:27
#24422
35K
21.75 mi12:27:374:39:2112:5146:09
14:51
#24616
40K
24.85 mi13:12:455:24:2913:0345:08
14:32
#24377
Finish
26.22 mi13:37:565:49:4013:2125:11
18:28
#25007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2374914905141723530(Top 78%)14818(Top 84%)1424(Top 81%)
10K6.21 mi3.10 mi24288-53915199-2941456-3924781(Top 82%)15403(Top 87%)1488(Top 85%)
15K9.32 mi3.11 mi24001+28715058+1411447+923530(Top 78%)14818(Top 84%)1424(Top 81%)
21K13.05 mi3.73 mi24017-1615023+351438+924297(Top 81%)15070(Top 85%)1452(Top 83%)
25K15.53 mi2.48 mi24059-4214989+341437+124462(Top 81%)14889(Top 84%)1414(Top 81%)
30K18.64 mi3.11 mi24422-36315087-981445-825698(Top 86%)15311(Top 86%)1484(Top 85%)
35K21.75 mi3.11 mi24616-19415079+81447-225198(Top 84%)14885(Top 84%)1425(Top 81%)
40K24.85 mi3.10 mi24377+23914893+1861418+2922906(Top 76%)13568(Top 77%)1280(Top 73%)
Finish26.22 mi1.37 mi25007-63015188-2951449-3128733(Top 96%)16933(Top 96%)1669(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×18story building
+279ft-164ft

Overall

23530

Males

14818

M45-49

14818

5K→10K

3.1 - 6.2 mi

Top 82%
×11story building
+103ft-217ft

Overall

24781

Males

15403

M45-49

15403

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+51ft-55ft

Overall

23530

Males

14818

M45-49

14818

15K→21K

9.3 - 13.1 mi

Top 81%
×1story
+20ft-37ft

Overall

24297

Males

15070

M45-49

15070

21K→25K

13.1 - 15.5 mi

Top 81%
×2story building
+35ft-8ft

Overall

24462

Males

14889

M45-49

14889

25K→30K

15.5 - 18.6 mi

Top 86%
×2story building
+58ft-57ft

Overall

25698

Males

15311

M45-49

15311

30K→35K

18.6 - 21.8 mi

Top 84%
×2story building
+98ft-92ft

Overall

25198

Males

14885

M45-49

14885

35K→40K

21.8 - 24.9 mi

Top 76%
×2story building
+36ft-53ft

Overall

22906

Males

13568

M45-49

13568

40K→Finish

24.9 - 26.2 mi

Top 96%
×5story building
+80ft-24ft

Overall

28733

Males

16933

M45-49

16933

Passing Analysis

Category:
Athletes Passed
2428*
Passed By
3686
Net Change
-1258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23749
5K10K240*779-539#23749#24288
10K15K531*244+287#24288#24001
15K21K494*510-16#24001#24017
21K25K308*350-42#24017#24059
25K30K231*594-363#24059#24422
30K35K227*421-194#24422#24616
35K40K380*141+239#24616#24377
40KFinish17*647-630#24377#25007
TOTALS2428*3686-1258

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

📊

Passing Visuals

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