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MARINE CORPS MARATHON 2025

Erica Grochowski

Charlotte, NC

Bib: 12960 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 39%
Gender (Female)
#0 / 12338
Top 30%
Division (F30-34)
#0 / 1621
Top 34%
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
10:05/mi
31:19
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:29/mi
1:00:48
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:32/mi
1:30:26
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:46/mi
2:06:49
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:24/mi
2:30:11
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:24/mi
3:02:30
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:09/mi
3:37:09
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:10/mi
4:11:52
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:25/mi
4:26:04
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:06:499:43 /mi⚡ faster
2nd Half
2:19:1510:34 /mi+9.8%
Positive split — 9.8% 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
31:1910:053.11 mi31:19
10:05
-
10K
1:00:489:473.10 mi29:29
9:29
-0:36
15K
1:30:269:423.11 mi29:38
9:32
+0:03
21K
2:06:499:433.73 mi36:23
9:46
+0:14
25K
2:30:119:402.48 mi23:22
9:24
-0:22
30K
3:02:309:473.11 mi32:19
10:24
+1:00
35K
3:37:099:593.11 mi34:39
11:09
+0:45
40K
4:11:5210:083.10 mi34:43
11:10
+0:01
Finish(26.22 mi)
4:26:0410:091.37 mi14:12
10:25
-0:45
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:24 /mi

Average Pace

10:09 /mi

Slowest Pace

11:10 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:30:11

56% of race

Time at Steady Pace

46:31

17% of race

Time at Slower Pace

1:09:22

26% of race

Average Pace: 10:09 /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

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi121633556515121643544524
10K6.21 mi3.10 mi12302-1393597-41524-9125093661530
15K9.32 mi3.11 mi12192+1103533+64515+9121643544524
21K13.05 mi3.73 mi12043+1493497+36513+2120143543521
25K15.53 mi2.48 mi11660+3833384+113493+20106713120468
30K18.64 mi3.11 mi11647+133469-85510-17122323990611
35K21.75 mi3.11 mi11865-2183668-199540-30136174966741
40K24.85 mi3.10 mi11763+1023756-88556-16122094610690
Finish26.22 mi1.37 mi11602+1613731+25557-195763488528

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×18story building
+279ft-164ft

Overall

12164

Females

3544

F30-34

3544

5K→10K

3.1 - 6.2 mi

Top 42%
×11story building
+103ft-217ft

Overall

12509

Females

3661

F30-34

3661

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+51ft-55ft

Overall

12164

Females

3544

F30-34

3544

15K→21K

9.3 - 13.1 mi

Top 40%
×1story
+20ft-37ft

Overall

12014

Females

3543

F30-34

3543

21K→25K

13.1 - 15.5 mi

Top 36%
×2story building
+35ft-8ft

Overall

10671

Females

3120

F30-34

3120

25K→30K

15.5 - 18.6 mi

Top 41%
×2story building
+58ft-57ft

Overall

12232

Females

3990

F30-34

3990

30K→35K

18.6 - 21.8 mi

Top 45%
×2story building
+98ft-92ft

Overall

13617

Females

4966

F30-34

4966

35K→40K

21.8 - 24.9 mi

Top 41%
×2story building
+36ft-53ft

Overall

12209

Females

4610

F30-34

4610

40K→Finish

24.9 - 26.2 mi

Top 32%
×5story building
+80ft-24ft

Overall

9576

Females

3488

F30-34

3488

Passing Analysis

Category:
Athletes Passed
2641*
Passed By
2080
Net Change
+561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12163
5K → 10K306*445-139#12163#12302
10K → 15K325*215+110#12302#12192
15K → 21K369*220+149#12192#12043
21K → 25K446*63+383#12043#11660
25K → 30K314*301+13#11660#11647
30K → 35K281*499-218#11647#11865
35K → 40K379*277+102#11865#11763
40K → Finish221*60+161#11763#11602
TOTALS2641*2080+561

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions