Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Catherine Slocum

Washington, DC

Bib: 19578 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 37%
Gender (Female)
#0 / 12338
Top 28%
Division (F20-24)
#0 / 1404
Top 43%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:29/mi
32:35
↑ 279↓ 164
10K· 6.21 mi
9:49/mi
1:03:05
↑ 103↓ 217
15K· 9.32 mi
9:47/mi
1:33:29
↑ 51↓ 55
21K· 13.05 mi
9:59/mi
2:10:41
↑ 20↓ 37
25K· 15.53 mi
9:46/mi
2:34:58
↑ 35
30K· 18.64 mi
10:10/mi
3:06:33
↑ 58↓ 57
35K· 21.75 mi
10:19/mi
3:38:35
↑ 98↓ 92
40K· 24.85 mi
10:11/mi
4:10:14
↑ 36↓ 53
Finish· 26.22 mi
9:46/mi
4:23:33
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:10:4110:01 /mi⚡ faster
2nd Half
2:12:5210:05 /mi+1.7%
Positive split — 1.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
32:3510:293.11 mi32:35
10:29
-
10K
1:03:0510:093.10 mi30:30
9:49
-0:40
15K
1:33:2910:023.11 mi30:24
9:47
-0:02
21K
2:10:4110:013.73 mi37:12
9:59
+0:12
25K
2:34:589:592.48 mi24:17
9:46
-0:13
30K
3:06:3310:003.11 mi31:35
10:10
+0:24
35K
3:38:3510:033.11 mi32:02
10:19
+0:09
40K
4:10:1410:043.10 mi31:39
10:11
-0:08
Finish(26.22 mi)
4:23:3310:041.37 mi13:19
9:46
-0:25
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:46 /mi

Average Pace

10:04 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:18:56

75% of race

Time at Steady Pace

1:04:37

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:03 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi147404607748134854114672
10K3.10 mi14544+1964525+82722+26144704476714
15K3.11 mi14095+4494350+175701+21134854114672
21K3.73 mi13657+4384191+159689+12130673992649
25K2.48 mi13343+3144103+88672+17124873887660
30K3.11 mi12806+5373944+159661+11112443552616
35K3.11 mi12176+6303804+140638+23103223464603
40K3.10 mi11426+7503612+192619+1984252907518
Finish(26.22 mi)1.37 mi11075+3513510+102602+1769762355460

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×18story building
+279ft-164ft

Overall

13485

Females

4114

F20-24

4114

5K→10K

3.1 - 6.2 mi

Top 48%
×11story building
+103ft-217ft

Overall

14470

Females

4476

F20-24

4476

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+51ft-55ft

Overall

13485

Females

4114

F20-24

4114

15K→21K

9.3 - 13.1 mi

Top 43%
×1story
+20ft-37ft

Overall

13067

Females

3992

F20-24

3992

21K→25K

13.1 - 15.5 mi

Top 42%
×2story building
+35ft-8ft

Overall

12487

Females

3887

F20-24

3887

25K→30K

15.5 - 18.6 mi

Top 37%
×2story building
+58ft-57ft

Overall

11244

Females

3552

F20-24

3552

30K→35K

18.6 - 21.8 mi

Top 34%
×2story building
+98ft-92ft

Overall

10322

Females

3464

F20-24

3464

35K→40K

21.8 - 24.9 mi

Top 28%
×2story building
+36ft-53ft

Overall

8425

Females

2907

F20-24

2907

40K→Finish

24.9 - 26.2 mi

Top 23%
×5story building
+80ft-24ft

Overall

6976

Females

2355

F20-24

2355

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#14740
5K → 10K
333529*+196
#14740 → #14544
10K → 15K
109558*+449
#14544 → #14095
15K → 21K
143581*+438
#14095 → #13657
21K → 25K
101415*+314
#13657 → #13343
25K → 30K
84621*+537
#13343 → #12806
30K → 35K
83713*+630
#12806 → #12176
35K → 40K
44794*+750
#12176 → #11426
40K → Finish
17368*+351
#11426 → #11075
TOTALS
9144579*+3665
#14740 → #11075

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions