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MARINE CORPS MARATHON 2025

James Stalker

Montclair, VA

Bib: 30258 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 42%
Gender (Male)
#0 / 17709
Top 47%
Division (M35-39)
#0 / 2420
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
10:24/mi
32:18
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:01/mi
1:03:26
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:28/mi
1:32:50
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:47/mi
2:09:18
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:33/mi
2:33:02
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:02/mi
3:07:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:54/mi
3:41:11
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:03/mi
4:15:30
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:09/mi
4:30:42
↑ 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
Time2:09:18
Pace9:55 /mi
2nd Half
Distance13.17 mi
Time2:21:23
Pace10:44 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:10:4532:1810:2432:18
10:24
-
10K
6.21 mi08:41:531:03:2610:1331:08
10:01
-0:23
15K
9.32 mi09:11:171:32:509:5829:24
9:28
-0:33
21K
13.05 mi09:47:452:09:189:5536:28
9:47
+0:19
25K
15.53 mi10:11:292:33:029:5123:44
9:33
-0:14
30K
18.64 mi10:45:473:07:2010:0334:18
11:02
+1:29
35K
21.75 mi11:19:383:41:1110:1033:51
10:54
-0:08
40K
24.85 mi11:53:574:15:3010:1734:19
11:03
+0:09
Finish
26.22 mi12:09:094:30:4210:2015:12
11:09
+0:06

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

9:28 /mi

Average Pace

10:20 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:02

57% of race

Time at Steady Pace

1:57:40

43% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:19 /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 mi08:10:4532:1810:2432:18
10:24
#14112
10K
6.21 mi08:41:531:03:2610:1331:08
10:01
#14909
15K
9.32 mi09:11:171:32:509:5829:24
9:28
#13658
21K
13.05 mi09:47:452:09:189:5536:28
9:47
#13073
25K
15.53 mi10:11:292:33:029:5123:44
9:33
#12647
30K
18.64 mi10:45:473:07:2010:0334:18
11:02
#13017
35K
21.75 mi11:19:383:41:1110:1033:51
10:54
#12780
40K
24.85 mi11:53:574:15:3010:1734:19
11:03
#12496
Finish
26.22 mi12:09:094:30:4210:2015:12
11:09
#12484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi141129758145811748(Top 39%)8372(Top 47%)1229(Top 51%)
10K6.21 mi3.10 mi14909-79710231-4731516-5815803(Top 53%)10752(Top 61%)1591(Top 66%)
15K9.32 mi3.11 mi13658+12519492+7391395+12111748(Top 39%)8372(Top 47%)1229(Top 51%)
21K13.05 mi3.73 mi13073+5859113+3791326+6912120(Top 40%)8534(Top 48%)1233(Top 51%)
25K15.53 mi2.48 mi12647+4268837+2761286+4011391(Top 38%)7980(Top 45%)1154(Top 48%)
30K18.64 mi3.11 mi13017-3708963-1261310-2414893(Top 50%)9719(Top 55%)1407(Top 58%)
35K21.75 mi3.11 mi12780+2378720+2431269+4112618(Top 42%)8081(Top 46%)1169(Top 48%)
40K24.85 mi3.10 mi12496+2848421+2991224+4511698(Top 39%)7313(Top 41%)1060(Top 44%)
Finish26.22 mi1.37 mi12484+128368+531221+312442(Top 41%)7684(Top 43%)1110(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×18story building
+279ft-164ft

Overall

11748

Males

8372

M35-39

8372

5K→10K

3.1 - 6.2 mi

Top 53%
×11story building
+103ft-217ft

Overall

15803

Males

10752

M35-39

10752

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+51ft-55ft

Overall

11748

Males

8372

M35-39

8372

15K→21K

9.3 - 13.1 mi

Top 40%
×1story
+20ft-37ft

Overall

12120

Males

8534

M35-39

8534

21K→25K

13.1 - 15.5 mi

Top 38%
×2story building
+35ft-8ft

Overall

11391

Males

7980

M35-39

7980

25K→30K

15.5 - 18.6 mi

Top 50%
×2story building
+58ft-57ft

Overall

14893

Males

9719

M35-39

9719

30K→35K

18.6 - 21.8 mi

Top 42%
×2story building
+98ft-92ft

Overall

12618

Males

8081

M35-39

8081

35K→40K

21.8 - 24.9 mi

Top 39%
×2story building
+36ft-53ft

Overall

11698

Males

7313

M35-39

7313

40K→Finish

24.9 - 26.2 mi

Top 41%
×5story building
+80ft-24ft

Overall

12442

Males

7684

M35-39

7684

Passing Analysis

Category:
Athletes Passed
3878*
Passed By
2250
Net Change
+1628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14112
5K → 10K142*939-797#14112#14909
10K → 15K1266*15+1251#14909#13658
15K → 21K668*83+585#13658#13073
21K → 25K489*63+426#13073#12647
25K → 30K228*598-370#12647#13017
30K → 35K467*230+237#13017#12780
35K → 40K491*207+284#12780#12496
40K → Finish127*115+12#12496#12484
TOTALS3878*2250+1628

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

📊

Passing Visuals

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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions