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MARINE CORPS MARATHON 2025

Jiyoon Song

Rockville, MD

Bib: 23969 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F30-34)
#0 / 1621
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
11:48/mi
36:40
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:53/mi
1:10:28
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:54/mi
1:44:21
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:05/mi
2:25:41
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:27/mi
2:54:09
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:29/mi
3:32:56
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
14:00/mi
4:16:25
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:34/mi
4:58:35
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:32/mi
5:17:03
↑ 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
Time2:25:41
Pace11:10 /mi
2nd Half
Distance13.17 mi
Time2:51:22
Pace13:01 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:30:5736:4011:4836:40
11:48
-
10K
6.21 mi09:04:451:10:2811:2033:48
10:53
-0:55
15K
9.32 mi09:38:381:44:2111:1233:53
10:54
+0:01
21K
13.05 mi10:19:582:25:4111:1041:20
11:05
+0:11
25K
15.53 mi10:48:262:54:0911:1328:28
11:27
+0:22
30K
18.64 mi11:27:133:32:5611:2538:47
12:29
+1:02
35K
21.75 mi12:10:424:16:2511:4743:29
14:00
+1:31
40K
24.85 mi12:52:524:58:3512:0142:10
13:34
-0:26
Finish
26.22 mi13:11:205:17:0312:0618:28
13:32
-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

10:53 /mi

Average Pace

12:06 /mi

Slowest Pace

14:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:01

34% of race

Time at Steady Pace

1:05:08

21% of race

Time at Slower Pace

2:22:54

45% of race

Average Pace: 12:06 /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 mi08:30:5736:4011:4836:40
11:48
#22863
10K
6.21 mi09:04:451:10:2811:2033:48
10:53
#22120
15K
9.32 mi09:38:381:44:2111:1233:53
10:54
#21380
21K
13.05 mi10:19:582:25:4111:1041:20
11:05
#20303
25K
15.53 mi10:48:262:54:0911:1328:28
11:27
#20131
30K
18.64 mi11:27:133:32:5611:2538:47
12:29
#20090
35K
21.75 mi12:10:424:16:2511:4743:29
14:00
#20715
40K
24.85 mi12:52:524:58:3512:0142:10
13:34
#20568
Finish
26.22 mi13:11:205:17:0312:0618:28
13:32
#20539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi228638393120520204(Top 67%)7113(Top 58%)1029(Top 64%)
10K6.21 mi3.10 mi22120+7438032+3611163+4221491(Top 72%)7710(Top 62%)1100(Top 68%)
15K9.32 mi3.11 mi21380+7407655+3771104+5920204(Top 67%)7113(Top 58%)1029(Top 64%)
21K13.05 mi3.73 mi20303+10777172+4831040+6418774(Top 62%)6533(Top 53%)952(Top 59%)
25K15.53 mi2.48 mi20131+1727165+71045-519835(Top 66%)7288(Top 59%)1060(Top 66%)
30K18.64 mi3.11 mi20090+417243-781047-220082(Top 67%)7577(Top 61%)1085(Top 67%)
35K21.75 mi3.11 mi20715-6257638-3951094-4722997(Top 77%)9318(Top 76%)1277(Top 79%)
40K24.85 mi3.10 mi20568+1477661-231093+120065(Top 67%)8059(Top 65%)1126(Top 70%)
Finish26.22 mi1.37 mi20539+297681-201099-620797(Top 69%)8340(Top 68%)1197(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×18story building
+279ft-164ft

Overall

20204

Females

7113

F30-34

7113

5K→10K

3.1 - 6.2 mi

Top 72%
×11story building
+103ft-217ft

Overall

21491

Females

7710

F30-34

7710

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+51ft-55ft

Overall

20204

Females

7113

F30-34

7113

15K→21K

9.3 - 13.1 mi

Top 62%
×1story
+20ft-37ft

Overall

18774

Females

6533

F30-34

6533

21K→25K

13.1 - 15.5 mi

Top 66%
×2story building
+35ft-8ft

Overall

19835

Females

7288

F30-34

7288

25K→30K

15.5 - 18.6 mi

Top 67%
×2story building
+58ft-57ft

Overall

20082

Females

7577

F30-34

7577

30K→35K

18.6 - 21.8 mi

Top 77%
×2story building
+98ft-92ft

Overall

22997

Females

9318

F30-34

9318

35K→40K

21.8 - 24.9 mi

Top 67%
×2story building
+36ft-53ft

Overall

20065

Females

8059

F30-34

8059

40K→Finish

24.9 - 26.2 mi

Top 69%
×5story building
+80ft-24ft

Overall

20797

Females

8340

F30-34

8340

Passing Analysis

Category:
Athletes Passed
4416*
Passed By
2092
Net Change
+2324
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22863
5K → 10K929*186+743#22863#22120
10K → 15K833*93+740#22120#21380
15K → 21K1165*88+1077#21380#20303
21K → 25K428*256+172#20303#20131
25K → 30K400*359+41#20131#20090
30K → 35K152*777-625#20090#20715
35K → 40K389*242+147#20715#20568
40K → Finish120*91+29#20568#20539
TOTALS4416*2092+2324

* 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