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MARINE CORPS MARATHON 2025

Katherine Lopez

Twentynin Plm, CA

Bib: 37656 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F35-39)
#0 / 1413
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
11:43/mi
36:24
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:18/mi
1:08:23
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:11/mi
1:40:00
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:41/mi
2:19:49
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:30/mi
2:48:24
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:33/mi
3:27:22
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:24/mi
4:09:01
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:17/mi
4:53:24
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
16:38/mi
5:16:05
↑ 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
Time2:19:49
Pace10:43 /mi
2nd Half
Distance13.17 mi
Time2:56:16
Pace13:23 /mi
📊Positive Split: 26.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:0836:2411:4336:24
11:43
-
10K
6.21 mi08:37:071:08:2311:0031:59
10:18
-1:25
15K
9.32 mi09:08:441:40:0010:4431:37
10:11
-0:07
21K
13.05 mi09:48:332:19:4910:4339:49
10:41
+0:30
25K
15.53 mi10:17:082:48:2410:5028:35
11:30
+0:49
30K
18.64 mi10:56:063:27:2211:0738:58
12:33
+1:03
35K
21.75 mi11:37:454:09:0111:2741:39
13:24
+0:51
40K
24.85 mi12:22:084:53:2411:4844:23
14:17
+0:53
Finish
26.22 mi12:44:495:16:0512:0422:41
16:38
+2:21

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

10:11 /mi

Average Pace

12:04 /mi

Slowest Pace

16:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:25

33% of race

Time at Steady Pace

1:43:57

33% of race

Time at Slower Pace

1:48:43

34% of race

Average Pace: 12:03 /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 mi08:05:0836:2411:4336:24
11:43
#22411
10K
6.21 mi08:37:071:08:2311:0031:59
10:18
#20277
15K
9.32 mi09:08:441:40:0010:4431:37
10:11
#18629
21K
13.05 mi09:48:332:19:4910:4339:49
10:41
#17845
25K
15.53 mi10:17:082:48:2410:5028:35
11:30
#18243
30K
18.64 mi10:56:063:27:2211:0738:58
12:33
#18677
35K
21.75 mi11:37:454:09:0111:2741:39
13:24
#19203
40K
24.85 mi12:22:084:53:2411:4844:23
14:17
#19765
Finish
26.22 mi12:44:495:16:0512:0422:41
16:38
#20420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi224118173941157915094598
10K6.21 mi3.10 mi20277+21347142+1031819+122177885955702
15K9.32 mi3.11 mi18629+16486345+797737+82157915094598
21K13.05 mi3.73 mi17845+7845993+352682+55168075590649
25K15.53 mi2.48 mi18243-3986251-258711-29200177373838
30K18.64 mi3.11 mi18677-4346554-303753-42202727684875
35K21.75 mi3.11 mi19203-5266929-375789-36211398426965
40K24.85 mi3.10 mi19765-5627312-383841-522226090651034
Finish26.22 mi1.37 mi20420-6557617-305871-3027119110891283

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×18story building
+279ft-164ft

Overall

15791

Females

5094

F35-39

5094

5K→10K

3.1 - 6.2 mi

Top 59%
×11story building
+103ft-217ft

Overall

17788

Females

5955

F35-39

5955

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+51ft-55ft

Overall

15791

Females

5094

F35-39

5094

15K→21K

9.3 - 13.1 mi

Top 56%
×1story
+20ft-37ft

Overall

16807

Females

5590

F35-39

5590

21K→25K

13.1 - 15.5 mi

Top 67%
×2story building
+35ft-8ft

Overall

20017

Females

7373

F35-39

7373

25K→30K

15.5 - 18.6 mi

Top 67%
×2story building
+58ft-57ft

Overall

20272

Females

7684

F35-39

7684

30K→35K

18.6 - 21.8 mi

Top 70%
×2story building
+98ft-92ft

Overall

21139

Females

8426

F35-39

8426

35K→40K

21.8 - 24.9 mi

Top 74%
×2story building
+36ft-53ft

Overall

22260

Females

9065

F35-39

9065

40K→Finish

24.9 - 26.2 mi

Top 90%
×5story building
+80ft-24ft

Overall

27119

Females

11089

F35-39

11089

Passing Analysis

Category:
Athletes Passed
5620*
Passed By
3629
Net Change
+1991
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22411
5K → 10K2160*26+2134#22411#20277
10K → 15K1668*20+1648#20277#18629
15K → 21K921*137+784#18629#17845
21K → 25K251*649-398#17845#18243
25K → 30K239*673-434#18243#18677
30K → 35K216*742-526#18677#19203
35K → 40K147*709-562#19203#19765
40K → Finish18*673-655#19765#20420
TOTALS5620*3629+1991

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions