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MARINE CORPS MARATHON 2025

Leah Williamson

Alexandria, VA

Bib: 30661 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 48%
Gender (Female)
#0 / 12338
Top 40%
Division (F25-29)
#0 / 2322
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
10:43/mi
33:17
↑ 279↓ 164
10K· 6.21 mi
10:22/mi
1:05:30
↑ 103↓ 217
15K· 9.32 mi
10:20/mi
1:37:35
↑ 51↓ 55
21K· 13.05 mi
10:41/mi
2:17:25
↑ 20↓ 37
25K· 15.53 mi
10:29/mi
2:43:29
↑ 35
30K· 18.64 mi
10:59/mi
3:17:36
↑ 58↓ 57
35K· 21.75 mi
10:50/mi
3:51:17
↑ 98↓ 92
40K· 24.85 mi
10:51/mi
4:25:00
↑ 36↓ 53
Finish· 26.22 mi
11:03/mi
4:40:04
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:17:2510:32 /mi⚡ faster
2nd Half
2:22:3810:50 /mi+3.8%
Positive split — 3.8% 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
33:1710:433.11 mi33:17
10:43
-
10K
1:05:3010:323.10 mi32:13
10:22
-0:21
15K
1:37:3510:283.11 mi32:05
10:20
-0:02
21K
2:17:2510:323.73 mi39:50
10:41
+0:21
25K
2:43:2910:312.48 mi26:04
10:29
-0:12
30K
3:17:3610:363.11 mi34:07
10:59
+0:30
35K
3:51:1710:383.11 mi33:41
10:50
-0:09
40K
4:25:0010:403.10 mi33:43
10:51
+0:01
Finish(26.22 mi)
4:40:0410:411.37 mi15:04
11:03
+0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:20 /mi

Average Pace

10:41 /mi

Slowest Pace

11:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:50:53

82% of race

Time at Steady Pace

49:11

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:41 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi16196526412461672654911304
10K3.10 mi17179-9835675-4111328-821826861681417
15K3.11 mi16903+2765540+1351304+241672654911304
21K3.73 mi16721+1825487+531300+41681155931318
25K2.48 mi16437+2845423+641287+131584753691298
30K3.11 mi15939+4985299+1241267+201465950701239
35K3.11 mi15179+7605079+2201238+291239444331102
40K3.10 mi14433+7464908+1711209+29109744026989
Finish(26.22 mi)1.37 mi14241+1924859+491204+51208146081172

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×18story building
+279ft-164ft

Overall

16726

Females

5491

F25-29

5491

5K→10K

3.1 - 6.2 mi

Top 61%
×11story building
+103ft-217ft

Overall

18268

Females

6168

F25-29

6168

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+51ft-55ft

Overall

16726

Females

5491

F25-29

5491

15K→21K

9.3 - 13.1 mi

Top 56%
×1story
+20ft-37ft

Overall

16811

Females

5593

F25-29

5593

21K→25K

13.1 - 15.5 mi

Top 53%
×2story building
+35ft-8ft

Overall

15847

Females

5369

F25-29

5369

25K→30K

15.5 - 18.6 mi

Top 49%
×2story building
+58ft-57ft

Overall

14659

Females

5070

F25-29

5070

30K→35K

18.6 - 21.8 mi

Top 41%
×2story building
+98ft-92ft

Overall

12394

Females

4433

F25-29

4433

35K→40K

21.8 - 24.9 mi

Top 37%
×2story building
+36ft-53ft

Overall

10974

Females

4026

F25-29

4026

40K→Finish

24.9 - 26.2 mi

Top 40%
×5story building
+80ft-24ft

Overall

12081

Females

4608

F25-29

4608

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#16196
5K → 10K
1122139*-983
#16196 → #17179
10K → 15K
225501*+276
#17179 → #16903
15K → 21K
353535*+182
#16903 → #16721
21K → 25K
166450*+284
#16721 → #16437
25K → 30K
128626*+498
#16437 → #15939
30K → 35K
85845*+760
#15939 → #15179
35K → 40K
52798*+746
#15179 → #14433
40K → Finish
52244*+192
#14433 → #14241
TOTALS
21834138*+1955
#16196 → #14241

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

Passing Visualized

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