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MARINE CORPS MARATHON 2025

Yang Jo Chung

Rockville, MD

Bib: 32503 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 36%
Gender (Male)
#0 / 17709
Top 42%
Masters (Masters Men)
#0 / 8330
Top 32%
Division (M55-59)
#0 / 1294
Top 26%
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
9:31/mi
29:33
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:56/mi
57:18
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:52/mi
1:24:51
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:38/mi
2:00:47
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:35/mi
2:24:37
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:02/mi
2:55:46
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:19/mi
3:30:55
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:22/mi
4:06:15
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:24/mi
4:21:48
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:00:47
Pace9:15 /mi
2nd Half
Distance13.17 mi
Time2:21:01
Pace10:42 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:12:4529:339:3129:33
9:31
-
10K
6.21 mi08:40:3057:189:1327:45
8:56
-0:35
15K
9.32 mi09:08:031:24:519:0627:33
8:52
-0:04
21K
13.05 mi09:43:592:00:479:1535:56
9:38
+0:46
25K
15.53 mi10:07:492:24:379:1923:50
9:35
-0:03
30K
18.64 mi10:38:582:55:469:2631:09
10:02
+0:27
35K
21.75 mi11:14:073:30:559:4235:09
11:19
+1:17
40K
24.85 mi11:49:274:06:159:5435:20
11:22
+0:03
Finish
26.22 mi12:05:004:21:4810:0015:33
11:24
+0:02

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

8:52 /mi

Average Pace

10:00 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:18

21% of race

Time at Steady Pace

2:00:28

46% of race

Time at Slower Pace

1:26:02

33% of race

Average Pace: 9:59 /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 mi08:12:4529:339:3129:33
9:31
#8726
10K
6.21 mi08:40:3057:189:1327:45
8:56
#8831
15K
9.32 mi09:08:031:24:519:0627:33
8:52
#8616
21K
13.05 mi09:43:592:00:479:1535:56
9:38
#9444
25K
15.53 mi10:07:492:24:379:1923:50
9:35
#9762
30K
18.64 mi10:38:582:55:469:2631:09
10:02
#9832
35K
21.75 mi11:14:073:30:559:4235:09
11:19
#10352
40K
24.85 mi11:49:274:06:159:5435:20
11:22
#10620
Finish
26.22 mi12:05:004:21:4810:0015:33
11:24
#10749
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi872664612658234(Top 27%)6143(Top 35%)246(Top 19%)
10K6.21 mi3.10 mi8831-1056546-85264+19063(Top 30%)6716(Top 38%)284(Top 22%)
15K9.32 mi3.11 mi8616+2156402+144257+78234(Top 27%)6143(Top 35%)246(Top 19%)
21K13.05 mi3.73 mi9444-8286939-537289-3211356(Top 38%)8082(Top 46%)370(Top 29%)
25K15.53 mi2.48 mi9762-3187122-183310-2111601(Top 39%)8090(Top 46%)375(Top 29%)
30K18.64 mi3.11 mi9832-707116+6309+110653(Top 35%)7342(Top 41%)330(Top 26%)
35K21.75 mi3.11 mi10352-5207317-201328-1914252(Top 47%)9004(Top 51%)485(Top 38%)
40K24.85 mi3.10 mi10620-2687340-23331-312926(Top 43%)7986(Top 45%)411(Top 32%)
Finish26.22 mi1.37 mi10749-1297369-29336-513563(Top 45%)8314(Top 47%)419(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×18story building
+279ft-164ft

Overall

8234

Males

6143

M55-59

6143

5K→10K

3.1 - 6.2 mi

Top 30%
×11story building
+103ft-217ft

Overall

9063

Males

6716

M55-59

6716

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+51ft-55ft

Overall

8234

Males

6143

M55-59

6143

15K→21K

9.3 - 13.1 mi

Top 38%
×1story
+20ft-37ft

Overall

11356

Males

8082

M55-59

8082

21K→25K

13.1 - 15.5 mi

Top 39%
×2story building
+35ft-8ft

Overall

11601

Males

8090

M55-59

8090

25K→30K

15.5 - 18.6 mi

Top 35%
×2story building
+58ft-57ft

Overall

10653

Males

7342

M55-59

7342

30K→35K

18.6 - 21.8 mi

Top 47%
×2story building
+98ft-92ft

Overall

14252

Males

9004

M55-59

9004

35K→40K

21.8 - 24.9 mi

Top 43%
×2story building
+36ft-53ft

Overall

12926

Males

7986

M55-59

7986

40K→Finish

24.9 - 26.2 mi

Top 45%
×5story building
+80ft-24ft

Overall

13563

Males

8314

M55-59

8314

Passing Analysis

Category:
Athletes Passed
1603*
Passed By
3626
Net Change
-2023
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8726
5K → 10K244*349-105#8726#8831
10K → 15K349*134+215#8831#8616
15K → 21K85*913-828#8616#9444
21K → 25K153471-318#9444#9762
25K → 30K262*332-70#9762#9832
30K → 35K195*715-520#9832#10352
35K → 40K233*501-268#10352#10620
40K → Finish82*211-129#10620#10749
TOTALS1603*3626-2023

* 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