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MARINE CORPS MARATHON 2025

Korin McClendon

Ellicott City, MD

Bib: 3076 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 16%
Gender (Male)
#0 / 17709
Top 21%
Masters (Masters Men)
#0 / 8330
Top 14%
Division (M40-44)
#0 / 2340
Top 19%
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
8:36/mi
26:44
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:04/mi
51:47
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:04/mi
1:16:51
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:50/mi
1:49:47
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:21/mi
2:10:32
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:53/mi
2:38:09
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:24/mi
3:07:21
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:30/mi
3:36:52
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:53/mi
3:50:21
↑ 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
Time1:49:47
Pace8:25 /mi
2nd Half
Distance13.17 mi
Time2:00:33
Pace9:09 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:54:4426:448:3626:44
8:36
-
10K
6.21 mi08:19:4751:478:2025:03
8:04
-0:32
15K
9.32 mi08:44:511:16:518:1525:04
8:04
0:00
21K
13.05 mi09:17:471:49:478:2532:56
8:50
+0:46
25K
15.53 mi09:38:322:10:328:2420:45
8:21
-0:29
30K
18.64 mi10:06:092:38:098:2927:37
8:53
+0:32
35K
21.75 mi10:35:213:07:218:3729:12
9:24
+0:31
40K
24.85 mi11:04:523:36:528:4429:31
9:30
+0:06
Finish
26.22 mi11:18:213:50:218:4813:29
9:53
+0:23

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

8:04 /mi

Average Pace

8:48 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:52

31% of race

Time at Steady Pace

1:27:17

38% of race

Time at Slower Pace

1:12:12

31% of race

Average Pace: 8:47 /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 mi07:54:4426:448:3626:44
8:36
#3680
10K
6.21 mi08:19:4751:478:2025:03
8:04
#3873
15K
9.32 mi08:44:511:16:518:1525:04
8:04
#3859
21K
13.05 mi09:17:471:49:478:2532:56
8:50
#4411
25K
15.53 mi09:38:322:10:328:2420:45
8:21
#4434
30K
18.64 mi10:06:092:38:098:2927:37
8:53
#4501
35K
21.75 mi10:35:213:07:218:3729:12
9:24
#4689
40K
24.85 mi11:04:523:36:528:4429:31
9:30
#4710
Finish
26.22 mi11:18:213:50:218:4813:29
9:53
#4845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3680296836438633118375
10K6.21 mi3.10 mi3873-1933124-156379-1541643349415
15K9.32 mi3.11 mi3859+143112+12375+438633118375
21K13.05 mi3.73 mi4411-5523511-399436-6165955038625
25K15.53 mi2.48 mi4434-233512-1434+249883865480
30K18.64 mi3.11 mi4501-673532-20441-754384099507
35K21.75 mi3.11 mi4689-1883619-87447-667654811590
40K24.85 mi3.10 mi4710-213581+38435+1259424111511
Finish26.22 mi1.37 mi4845-1353657-76444-974614917602

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×18story building
+279ft-164ft

Overall

3863

Males

3118

M40-44

3118

5K→10K

3.1 - 6.2 mi

Top 14%
×11story building
+103ft-217ft

Overall

4164

Males

3349

M40-44

3349

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+51ft-55ft

Overall

3863

Males

3118

M40-44

3118

15K→21K

9.3 - 13.1 mi

Top 22%
×1story
+20ft-37ft

Overall

6595

Males

5038

M40-44

5038

21K→25K

13.1 - 15.5 mi

Top 17%
×2story building
+35ft-8ft

Overall

4988

Males

3865

M40-44

3865

25K→30K

15.5 - 18.6 mi

Top 18%
×2story building
+58ft-57ft

Overall

5438

Males

4099

M40-44

4099

30K→35K

18.6 - 21.8 mi

Top 23%
×2story building
+98ft-92ft

Overall

6765

Males

4811

M40-44

4811

35K→40K

21.8 - 24.9 mi

Top 20%
×2story building
+36ft-53ft

Overall

5942

Males

4111

M40-44

4111

40K→Finish

24.9 - 26.2 mi

Top 25%
×5story building
+80ft-24ft

Overall

7461

Males

4917

M40-44

4917

Passing Analysis

Category:
Athletes Passed
810*
Passed By
1975
Net Change
-1165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3680
5K → 10K78*271-193#3680#3873
10K → 15K116*102+14#3873#3859
15K → 21K23*575-552#3859#4411
21K → 25K87110-23#4411#4434
25K → 30K132*199-67#4434#4501
30K → 35K136*324-188#4501#4689
35K → 40K198*219-21#4689#4710
40K → Finish40*175-135#4710#4845
TOTALS810*1975-1165

* 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