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MARINE CORPS MARATHON 2025

Laura Rosekrans

Williamston, MI

Bib: 31167 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 36%
Gender (Female)
#0 / 12338
Top 27%
Division (F30-34)
#0 / 1621
Top 31%
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
10:13/mi
31:43
↑ 279↓ 164
10K· 6.21 mi
9:18/mi
1:00:38
↑ 103↓ 217
15K· 9.32 mi
9:21/mi
1:29:41
↑ 51↓ 55
21K· 13.05 mi
9:29/mi
2:05:04
↑ 20↓ 37
25K· 15.53 mi
9:20/mi
2:28:15
↑ 35
30K· 18.64 mi
10:00/mi
2:59:18
↑ 58↓ 57
35K· 21.75 mi
10:28/mi
3:31:49
↑ 98↓ 92
40K· 24.85 mi
11:12/mi
4:06:36
↑ 36↓ 53
Finish· 26.22 mi
10:46/mi
4:21:17
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:05:049:35 /mi⚡ faster
2nd Half
2:16:1310:21 /mi+8.9%
Positive split — 8.9% 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
31:4310:133.11 mi31:43
10:13
-
10K
1:00:389:453.10 mi28:55
9:18
-0:55
15K
1:29:419:373.11 mi29:03
9:21
+0:03
21K
2:05:049:353.73 mi35:23
9:29
+0:08
25K
2:28:159:332.48 mi23:11
9:20
-0:09
30K
2:59:189:373.11 mi31:03
10:00
+0:40
35K
3:31:499:443.11 mi32:31
10:28
+0:28
40K
4:06:369:553.10 mi34:47
11:12
+0:44
Finish(26.22 mi)
4:21:179:581.37 mi14:41
10:46
-0:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:18 /mi

Average Pace

9:58 /mi

Slowest Pace

11:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:56:32

45% of race

Time at Steady Pace

1:02:46

24% of race

Time at Slower Pace

1:21:59

31% of race

Average Pace: 9:58 /mi

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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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi129393872571111083133461
10K3.10 mi12132+8073520+352509+62113843215471
15K3.11 mi11734+3983376+144491+18111083133461
21K3.73 mi11270+4643187+189465+26106002946430
25K2.48 mi10983+2873099+88459+6103322977447
30K3.11 mi10736+2473074+25459105123245501
35K3.11 mi10573+1633131-57466-7109353745567
40K3.10 mi10691-1183303-172496-30122964654697
Finish(26.22 mi)1.37 mi10645+463338-35503-7109694125638

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×18story building
+279ft-164ft

Overall

11108

Females

3133

F30-34

3133

5K→10K

3.1 - 6.2 mi

Top 38%
×11story building
+103ft-217ft

Overall

11384

Females

3215

F30-34

3215

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+51ft-55ft

Overall

11108

Females

3133

F30-34

3133

15K→21K

9.3 - 13.1 mi

Top 35%
×1story
+20ft-37ft

Overall

10600

Females

2946

F30-34

2946

21K→25K

13.1 - 15.5 mi

Top 34%
×2story building
+35ft-8ft

Overall

10332

Females

2977

F30-34

2977

25K→30K

15.5 - 18.6 mi

Top 35%
×2story building
+58ft-57ft

Overall

10512

Females

3245

F30-34

3245

30K→35K

18.6 - 21.8 mi

Top 36%
×2story building
+98ft-92ft

Overall

10935

Females

3745

F30-34

3745

35K→40K

21.8 - 24.9 mi

Top 41%
×2story building
+36ft-53ft

Overall

12296

Females

4654

F30-34

4654

40K→Finish

24.9 - 26.2 mi

Top 37%
×5story building
+80ft-24ft

Overall

10969

Females

4125

F30-34

4125

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#12939
5K → 10K
93900*+807
#12939 → #12132
10K → 15K
105503*+398
#12132 → #11734
15K → 21K
82546*+464
#11734 → #11270
21K → 25K
89376*+287
#11270 → #10983
25K → 30K
147394*+247
#10983 → #10736
30K → 35K
267430*+163
#10736 → #10573
35K → 40K
404286*-118
#10573 → #10691
40K → Finish
98144*+46
#10691 → #10645
TOTALS
12853579*+2294
#12939 → #10645

* 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