Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Robert Kopesky

Fredericksbrg, VA

Bib: 3946 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 36%
Gender (Male)
#0 / 17709
Top 41%
Division (M30-34)
#0 / 2603
Top 48%
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
9:07/mi
28:18
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:38/mi
55:06
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:27/mi
1:21:22
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:43/mi
1:53:50
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:50/mi
2:15:48
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:10/mi
2:47:23
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:33/mi
3:23:16
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:45/mi
4:02:52
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:32/mi
4:21:19
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:53:50
Pace8:43 /mi
2nd Half
Distance13.17 mi
Time2:27:28
Pace11:12 /mi
📊Positive Split: 29.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:54:4628:189:0728:18
9:07
-
10K
6.21 mi08:21:3455:068:5226:48
8:38
-0:29
15K
9.32 mi08:47:501:21:228:4426:16
8:27
-0:11
21K
13.05 mi09:20:181:53:508:4332:28
8:43
+0:16
25K
15.53 mi09:42:162:15:488:4521:58
8:50
+0:07
30K
18.64 mi10:13:512:47:238:5931:35
10:10
+1:20
35K
21.75 mi10:49:443:23:169:2135:53
11:33
+1:23
40K
24.85 mi11:29:204:02:529:4639:36
12:45
+1:12
Finish
26.22 mi11:47:474:21:199:5818:27
13:32
+0:47

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

8:27 /mi

Average Pace

9:58 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:15:48

52% of race

Time at Slower Pace

2:05:31

48% of race

Average Pace: 9:58 /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 mi07:54:4628:189:0728:18
9:07
#6190
10K
6.21 mi08:21:3455:068:5226:48
8:38
#6497
15K
9.32 mi08:47:501:21:228:4426:16
8:27
#6140
21K
13.05 mi09:20:181:53:508:4332:28
8:43
#5978
25K
15.53 mi09:42:162:15:488:4521:58
8:50
#6159
30K
18.64 mi10:13:512:47:238:5931:35
10:10
#7172
35K
21.75 mi10:49:443:23:169:2135:53
11:33
#8700
40K
24.85 mi11:29:204:02:529:4639:36
12:45
#9881
Finish
26.22 mi11:47:474:21:199:5818:27
13:32
#10651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi619047578475520(Top 18%)4308(Top 24%)780(Top 30%)
10K6.21 mi3.10 mi6497-3074987-230900-536909(Top 23%)5285(Top 30%)955(Top 37%)
15K9.32 mi3.11 mi6140+3574744+243859+415520(Top 18%)4308(Top 24%)780(Top 30%)
21K13.05 mi3.73 mi5978+1624635+109837+225849(Top 19%)4530(Top 26%)827(Top 32%)
25K15.53 mi2.48 mi6159-1814752-117865-287881(Top 26%)5848(Top 33%)1032(Top 40%)
30K18.64 mi3.11 mi7172-10135398-646983-11811256(Top 37%)7698(Top 43%)1282(Top 49%)
35K21.75 mi3.11 mi8700-15286317-9191109-12615126(Top 50%)9474(Top 53%)1517(Top 58%)
40K24.85 mi3.10 mi9881-11816908-5911179-7017591(Top 59%)10594(Top 60%)1674(Top 64%)
Finish26.22 mi1.37 mi10651-7707310-4021243-6420777(Top 69%)12447(Top 70%)1950(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

5520

Males

4308

M30-34

4308

5K→10K

3.1 - 6.2 mi

Top 23%
×11story building
+103ft-217ft

Overall

6909

Males

5285

M30-34

5285

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+51ft-55ft

Overall

5520

Males

4308

M30-34

4308

15K→21K

9.3 - 13.1 mi

Top 19%
×1story
+20ft-37ft

Overall

5849

Males

4530

M30-34

4530

21K→25K

13.1 - 15.5 mi

Top 26%
×2story building
+35ft-8ft

Overall

7881

Males

5848

M30-34

5848

25K→30K

15.5 - 18.6 mi

Top 37%
×2story building
+58ft-57ft

Overall

11256

Males

7698

M30-34

7698

30K→35K

18.6 - 21.8 mi

Top 50%
×2story building
+98ft-92ft

Overall

15126

Males

9474

M30-34

9474

35K→40K

21.8 - 24.9 mi

Top 59%
×2story building
+36ft-53ft

Overall

17591

Males

10594

M30-34

10594

40K→Finish

24.9 - 26.2 mi

Top 69%
×5story building
+80ft-24ft

Overall

20777

Males

12447

M30-34

12447

Passing Analysis

Category:
Athletes Passed
1168*
Passed By
5629
Net Change
-4461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6190
5K → 10K141*448-307#6190#6497
10K → 15K402*45+357#6497#6140
15K → 21K287*125+162#6140#5978
21K → 25K93274-181#5978#6159
25K → 30K79*1092-1013#6159#7172
30K → 35K78*1606-1528#7172#8700
35K → 40K70*1251-1181#8700#9881
40K → Finish18*788-770#9881#10651
TOTALS1168*5629-4461

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

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions