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MARINE CORPS MARATHON 2025

Samuel Koranda

Coleville, CA

Bib: 8414 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 23%
Gender (Male)
#0 / 17709
Top 29%
Division (M25-29)
#0 / 2720
Top 39%
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
7:58/mi
24:46
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:11/mi
47:04
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:16/mi
1:09:39
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:43/mi
1:38:25
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:00/mi
1:58:18
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:23/mi
2:27:27
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:56/mi
3:01:24
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:17/mi
3:42:41
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:13/mi
4:00:43
↑ 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
1:38:257:33 /mi⚡ faster
2nd Half
2:22:1810:48 /mi+44.6%
Positive split — 44.6% 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
24:467:583.11 mi24:46
7:58
-
10K
47:047:343.10 mi22:18
7:11
-0:47
15K
1:09:397:283.11 mi22:35
7:16
+0:05
21K
1:38:257:333.73 mi28:46
7:43
+0:27
25K
1:58:187:372.48 mi19:53
8:00
+0:17
30K
2:27:277:553.11 mi29:09
9:23
+1:23
35K
3:01:248:203.11 mi33:57
10:56
+1:33
40K
3:42:418:583.10 mi41:17
13:17
+2:21
Finish(26.22 mi)
4:00:439:111.37 mi18:02
13:13
-0:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:11 /mi

Average Pace

9:11 /mi

Slowest Pace

13:17 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:58:18

49% of race

Time at Slower Pace

2:02:25

51% of race

Average Pace: 9:11 /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. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi1758146532013591172266
10K6.21 mi3.10 mi1534+2241310+155288+3213401168254
15K9.32 mi3.11 mi1501+331285+25280+813591172266
21K13.05 mi3.73 mi1598-971363-78303-2319771654369
25K15.53 mi2.48 mi1775-1771493-130327-2435772854631
30K18.64 mi3.11 mi2457-6822011-518444-117797257511191
35K21.75 mi3.11 mi3632-11752885-874636-1921275181521586
40K24.85 mi3.10 mi5881-22494382-1497919-28319212115322070
Finish26.22 mi1.37 mi6975-10945084-7021067-14819869119662169

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×18story building
+279ft-164ft

Overall

1359

Males

1172

M25-29

1172

5K→10K

3.1 - 6.2 mi

Top 4%
×11story building
+103ft-217ft

Overall

1340

Males

1168

M25-29

1168

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+51ft-55ft

Overall

1359

Males

1172

M25-29

1172

15K→21K

9.3 - 13.1 mi

Top 7%
×1story
+20ft-37ft

Overall

1977

Males

1654

M25-29

1654

21K→25K

13.1 - 15.5 mi

Top 12%
×2story building
+35ft-8ft

Overall

3577

Males

2854

M25-29

2854

25K→30K

15.5 - 18.6 mi

Top 27%
×2story building
+58ft-57ft

Overall

7972

Males

5751

M25-29

5751

30K→35K

18.6 - 21.8 mi

Top 42%
×2story building
+98ft-92ft

Overall

12751

Males

8152

M25-29

8152

35K→40K

21.8 - 24.9 mi

Top 64%
×2story building
+36ft-53ft

Overall

19212

Males

11532

M25-29

11532

40K→Finish

24.9 - 26.2 mi

Top 66%
×5story building
+80ft-24ft

Overall

19869

Males

11966

M25-29

11966

Passing Analysis

Category:
Athletes Passed
351*
Passed By
5568
Net Change
-5217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1758
5K → 10K237*13+224#1758#1534
10K → 15K5926+33#1534#1501
15K → 21K15*112-97#1501#1598
21K → 25K7184-177#1598#1775
25K → 30K9*691-682#1775#2457
30K → 35K10*1185-1175#2457#3632
35K → 40K9*2258-2249#3632#5881
40K → Finish5*1099-1094#5881#6975
TOTALS351*5568-5217

* 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