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MARINE CORPS MARATHON 2025

Olivia Cong

Potomac, MD

Bib: 8152 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 27%
Gender (Female)
#0 / 12338
Top 19%
Division (F25-29)
#0 / 2322
Top 27%
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
9:43/mi
30:12
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:23/mi
59:20
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:12/mi
1:27:54
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:08/mi
2:01:56
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:53/mi
2:24:00
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:07/mi
2:52:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:20/mi
3:21:21
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:35/mi
3:54:15
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:12/mi
4:08:10
↑ 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
Time2:01:56
Pace9:21 /mi
2nd Half
Distance13.17 mi
Time2:06:14
Pace9:35 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:15:1330:129:4330:12
9:43
-
10K
6.21 mi08:44:2159:209:3329:08
9:23
-0:20
15K
9.32 mi09:12:551:27:549:2628:34
9:12
-0:11
21K
13.05 mi09:46:572:01:569:2134:02
9:08
-0:04
25K
15.53 mi10:09:012:24:009:1622:04
8:53
-0:15
30K
18.64 mi10:37:212:52:209:1528:20
9:07
+0:14
35K
21.75 mi11:06:223:21:219:1529:01
9:20
+0:13
40K
24.85 mi11:39:163:54:159:2532:54
10:35
+1:15
Finish
26.22 mi11:53:114:08:109:2813:55
10:12
-0:23

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

8:53 /mi

Average Pace

9:28 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:21

81% of race

Time at Steady Pace

13:55

6% of race

Time at Slower Pace

32:54

13% of race

Average Pace: 9:28 /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 mi08:15:1330:129:4330:12
9:43
#9955
10K
6.21 mi08:44:2159:209:3329:08
9:23
#10847
15K
9.32 mi09:12:551:27:549:2628:34
9:12
#10592
21K
13.05 mi09:46:572:01:569:2134:02
9:08
#9951
25K
15.53 mi10:09:012:24:009:1622:04
8:53
#9543
30K
18.64 mi10:37:212:52:209:1528:20
9:07
#8850
35K
21.75 mi11:06:223:21:219:1529:01
9:20
#8238
40K
24.85 mi11:39:163:54:159:2532:54
10:35
#8285
Finish
26.22 mi11:53:114:08:109:2813:55
10:12
#8192
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi9955271269010275(Top 34%)2802(Top 23%)727(Top 31%)
10K6.21 mi3.10 mi10847-8923031-319766-7611870(Top 40%)3405(Top 28%)843(Top 36%)
15K9.32 mi3.11 mi10592+2552928+103746+2010275(Top 34%)2802(Top 23%)727(Top 31%)
21K13.05 mi3.73 mi9951+6412687+241696+508546(Top 28%)2223(Top 18%)593(Top 26%)
25K15.53 mi2.48 mi9543+4082562+125673+238154(Top 27%)2137(Top 17%)578(Top 25%)
30K18.64 mi3.11 mi8850+6932366+196628+456567(Top 22%)1705(Top 14%)457(Top 20%)
35K21.75 mi3.11 mi8238+6122212+154597+316531(Top 22%)1864(Top 15%)516(Top 22%)
40K24.85 mi3.10 mi8285-472331-119627-309960(Top 33%)3577(Top 29%)899(Top 39%)
Finish26.22 mi1.37 mi8192+932335-4631-48760(Top 29%)3119(Top 25%)830(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×18story building
+279ft-164ft

Overall

10275

Females

2802

F25-29

2802

5K→10K

3.1 - 6.2 mi

Top 40%
×11story building
+103ft-217ft

Overall

11870

Females

3405

F25-29

3405

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+51ft-55ft

Overall

10275

Females

2802

F25-29

2802

15K→21K

9.3 - 13.1 mi

Top 28%
×1story
+20ft-37ft

Overall

8546

Females

2223

F25-29

2223

21K→25K

13.1 - 15.5 mi

Top 27%
×2story building
+35ft-8ft

Overall

8154

Females

2137

F25-29

2137

25K→30K

15.5 - 18.6 mi

Top 22%
×2story building
+58ft-57ft

Overall

6567

Females

1705

F25-29

1705

30K→35K

18.6 - 21.8 mi

Top 22%
×2story building
+98ft-92ft

Overall

6531

Females

1864

F25-29

1864

35K→40K

21.8 - 24.9 mi

Top 33%
×2story building
+36ft-53ft

Overall

9960

Females

3577

F25-29

3577

40K→Finish

24.9 - 26.2 mi

Top 29%
×5story building
+80ft-24ft

Overall

8760

Females

3119

F25-29

3119

Passing Analysis

Category:
Athletes Passed
3383*
Passed By
1620
Net Change
+1763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9955
5K → 10K70*962-892#9955#10847
10K → 15K374*119+255#10847#10592
15K → 21K677*36+641#10592#9951
21K → 25K447*39+408#9951#9543
25K → 30K722*29+693#9543#8850
30K → 35K666*54+612#8850#8238
35K → 40K275*322-47#8238#8285
40K → Finish152*59+93#8285#8192
TOTALS3383*1620+1763

* 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