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MARINE CORPS MARATHON 2025

Chris Grooms

Fredericksbrg, VA

Bib: 1827 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 10%
Gender (Male)
#0 / 17709
Top 14%
Division (M30-34)
#0 / 2603
Top 18%
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
8:41/mi
27:00
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:10/mi
52:21
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:22/mi
1:18:22
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:13/mi
1:48:59
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:00/mi
2:08:52
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:11/mi
2:34:17
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:14/mi
2:59:52
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:25/mi
3:26:00
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:55/mi
3:38:10
↑ 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
1:48:598:21 /mi⚖️ balanced
2nd Half
1:49:108:17 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:008:413.11 mi27:00
8:41
-
10K
52:218:253.10 mi25:21
8:10
-0:31
15K
1:18:228:243.11 mi26:01
8:22
+0:12
21K
1:48:598:213.73 mi30:37
8:13
-0:09
25K
2:08:528:182.48 mi19:53
8:00
-0:13
30K
2:34:178:173.11 mi25:25
8:11
+0:11
35K
2:59:528:163.11 mi25:35
8:14
+0:03
40K
3:26:008:173.10 mi26:08
8:25
+0:11
Finish(26.22 mi)
3:38:108:201.37 mi12:10
8:55
+0:30
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:00 /mi

Average Pace

8:20 /mi

Slowest Pace

8:55 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:26:00

94% of race

Time at Steady Pace

12:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:19 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi4011322160051164034735
10K6.21 mi3.10 mi4282-2713430-209635-3545243611661
15K9.32 mi3.11 mi4492-2103587-157662-2751164034735
21K13.05 mi3.73 mi4176+3163352+235626+3636782978559
25K15.53 mi2.48 mi4029+1473223+129600+2635732850526
30K18.64 mi3.11 mi3745+2842992+231561+3928982313428
35K21.75 mi3.11 mi3396+3492706+286517+4424681949352
40K24.85 mi3.10 mi3104+2922446+260464+5324321871335
Finish26.22 mi1.37 mi3099+52436+10463+139532831489

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×18story building
+279ft-164ft

Overall

5116

Males

4034

M30-34

4034

5K→10K

3.1 - 6.2 mi

Top 15%
×11story building
+103ft-217ft

Overall

4524

Males

3611

M30-34

3611

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+51ft-55ft

Overall

5116

Males

4034

M30-34

4034

15K→21K

9.3 - 13.1 mi

Top 12%
×1story
+20ft-37ft

Overall

3678

Males

2978

M30-34

2978

21K→25K

13.1 - 15.5 mi

Top 12%
×2story building
+35ft-8ft

Overall

3573

Males

2850

M30-34

2850

25K→30K

15.5 - 18.6 mi

Top 10%
×2story building
+58ft-57ft

Overall

2898

Males

2313

M30-34

2313

30K→35K

18.6 - 21.8 mi

Top 8%
×2story building
+98ft-92ft

Overall

2468

Males

1949

M30-34

1949

35K→40K

21.8 - 24.9 mi

Top 8%
×2story building
+36ft-53ft

Overall

2432

Males

1871

M30-34

1871

40K→Finish

24.9 - 26.2 mi

Top 13%
×5story building
+80ft-24ft

Overall

3953

Males

2831

M30-34

2831

Passing Analysis

Category:
Athletes Passed
1693*
Passed By
781
Net Change
+912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4011
5K → 10K92*363-271#4011#4282
10K → 15K52*262-210#4282#4492
15K → 21K340*24+316#4492#4176
21K → 25K17932+147#4176#4029
25K → 30K297*13+284#4029#3745
30K → 35K366*17+349#3745#3396
35K → 40K315*23+292#3396#3104
40K → Finish52*47+5#3104#3099
TOTALS1693*781+912

* 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