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MARINE CORPS MARATHON 2025

Shengsheng Shen

Sykesville, MD

Bib: 2773 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 8%
Gender (Female)
#0 / 12338
Top 4%
Division (F35-39)
#0 / 1413
Top 5%
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
8:28/mi
26:19
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:43/mi
50:19
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:42/mi
1:14:13
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:54/mi
1:43:42
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:40/mi
2:02:46
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:00/mi
2:27:37
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:03/mi
2:52:37
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:27/mi
3:18:51
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:55/mi
3:32:23
↑ 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
Time1:43:42
Pace7:57 /mi
2nd Half
Distance13.17 mi
Time1:48:40
Pace8:15 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:48:1226:198:2826:19
8:28
-
10K
6.21 mi08:12:1250:198:0624:00
7:43
-0:45
15K
9.32 mi08:36:061:14:137:5823:54
7:42
-0:01
21K
13.05 mi09:05:351:43:427:5729:29
7:54
+0:12
25K
15.53 mi09:24:392:02:467:5419:04
7:40
-0:14
30K
18.64 mi09:49:302:27:377:5524:51
8:00
+0:20
35K
21.75 mi10:14:302:52:377:5625:00
8:03
+0:03
40K
24.85 mi10:40:443:18:518:0026:14
8:27
+0:24
Finish
26.22 mi10:54:163:32:238:0613:32
9:55
+1:28

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

7:40 /mi

Average Pace

8:06 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:26:18

69% of race

Time at Slower Pace

1:06:05

31% of race

Average Pace: 8:06 /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 mi07:48:1226:198:2826:19
8:28
#3128
10K
6.21 mi08:12:1250:198:0624:00
7:43
#2914
15K
9.32 mi08:36:061:14:137:5823:54
7:42
#2747
21K
13.05 mi09:05:351:43:427:5729:29
7:54
#2689
25K
15.53 mi09:24:392:02:467:5419:04
7:40
#2592
30K
18.64 mi09:49:302:27:377:5524:51
8:00
#2491
35K
21.75 mi10:14:302:52:377:5625:00
8:03
#2328
40K
24.85 mi10:40:443:18:518:0026:14
8:27
#2289
Finish
26.22 mi10:54:163:32:238:0613:32
9:55
#2453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi3128585892512(Top 8%)449(Top 4%)59(Top 4%)
10K6.21 mi3.10 mi2914+214529+5680+92767(Top 9%)495(Top 4%)71(Top 5%)
15K9.32 mi3.11 mi2747+167490+3972+82512(Top 8%)449(Top 4%)59(Top 4%)
21K13.05 mi3.73 mi2689+58485+568+42593(Top 9%)453(Top 4%)60(Top 4%)
25K15.53 mi2.48 mi2592+97470+1564+42438(Top 8%)449(Top 4%)61(Top 4%)
30K18.64 mi3.11 mi2491+101456+1466-22381(Top 8%)460(Top 4%)63(Top 5%)
35K21.75 mi3.11 mi2328+163428+2861+51997(Top 7%)398(Top 3%)52(Top 4%)
40K24.85 mi3.10 mi2289+39441-1365-42519(Top 8%)594(Top 5%)77(Top 6%)
Finish26.22 mi1.37 mi2453-164486-4573-87632(Top 25%)2632(Top 21%)309(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×18story building
+279ft-164ft

Overall

2512

Females

449

F35-39

449

5K→10K

3.1 - 6.2 mi

Top 9%
×11story building
+103ft-217ft

Overall

2767

Females

495

F35-39

495

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+51ft-55ft

Overall

2512

Females

449

F35-39

449

15K→21K

9.3 - 13.1 mi

Top 9%
×1story
+20ft-37ft

Overall

2593

Females

453

F35-39

453

21K→25K

13.1 - 15.5 mi

Top 8%
×2story building
+35ft-8ft

Overall

2438

Females

449

F35-39

449

25K→30K

15.5 - 18.6 mi

Top 8%
×2story building
+58ft-57ft

Overall

2381

Females

460

F35-39

460

30K→35K

18.6 - 21.8 mi

Top 7%
×2story building
+98ft-92ft

Overall

1997

Females

398

F35-39

398

35K→40K

21.8 - 24.9 mi

Top 8%
×2story building
+36ft-53ft

Overall

2519

Females

594

F35-39

594

40K→Finish

24.9 - 26.2 mi

Top 25%
×5story building
+80ft-24ft

Overall

7632

Females

2632

F35-39

2632

Passing Analysis

Category:
Athletes Passed
1225*
Passed By
550
Net Change
+675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3128
5K → 10K297*83+214#3128#2914
10K → 15K203*36+167#2914#2747
15K → 21K120*62+58#2747#2689
21K → 25K13033+97#2689#2592
25K → 30K143*42+101#2592#2491
30K → 35K186*23+163#2491#2328
35K → 40K132*93+39#2328#2289
40K → Finish14*178-164#2289#2453
TOTALS1225*550+675

* 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