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MARINE CORPS MARATHON 2025

Brent Kerschen

Edmond, OK

Bib: 15328 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 38%
Gender (Male)
#0 / 17709
Top 44%
Masters (Masters Men)
#0 / 8330
Top 34%
Division (M50-54)
#0 / 1638
Top 35%
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
9:57/mi
30:55
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:15/mi
59:40
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:26/mi
1:28:57
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:40/mi
2:04:59
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:26/mi
2:28:25
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:35/mi
3:01:19
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:23/mi
3:33:35
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:13/mi
4:08:25
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:24/mi
4:25:20
↑ 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
Time2:04:59
Pace9:35 /mi
2nd Half
Distance13.17 mi
Time2:20:20
Pace10:39 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:08:3830:559:5730:55
9:57
-
10K
6.21 mi08:37:2359:409:3628:45
9:15
-0:42
15K
9.32 mi09:06:401:28:579:3329:17
9:26
+0:11
21K
13.05 mi09:42:422:04:599:3536:02
9:40
+0:14
25K
15.53 mi10:06:082:28:259:3323:26
9:26
-0:14
30K
18.64 mi10:39:023:01:199:4432:54
10:35
+1:09
35K
21.75 mi11:11:183:33:359:4932:16
10:23
-0:12
40K
24.85 mi11:46:084:08:2510:0034:50
11:13
+0:50
Finish
26.22 mi12:03:034:25:2010:0816:55
12:24
+1:11

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

9:15 /mi

Average Pace

10:08 /mi

Slowest Pace

12:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:28

31% of race

Time at Steady Pace

1:39:13

37% of race

Time at Slower Pace

1:24:39

32% of race

Average Pace: 10:07 /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 mi08:08:3830:559:5730:55
9:57
#11318
10K
6.21 mi08:37:2359:409:3628:45
9:15
#11151
15K
9.32 mi09:06:401:28:579:3329:17
9:26
#11239
21K
13.05 mi09:42:422:04:599:3536:02
9:40
#11241
25K
15.53 mi10:06:082:28:259:3323:26
9:26
#11021
30K
18.64 mi10:39:023:01:199:4432:54
10:35
#11320
35K
21.75 mi11:11:183:33:359:4932:16
10:23
#11000
40K
24.85 mi11:46:084:08:2510:0034:50
11:13
#11069
Finish
26.22 mi12:03:034:25:2010:0816:55
12:24
#11435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi113188097575115698258588
10K6.21 mi3.10 mi11151+1678012+85564+11110527968557
15K9.32 mi3.11 mi11239-888069-57572-8115698258588
21K13.05 mi3.73 mi11241-28066+3571+1114918165575
25K15.53 mi2.48 mi11021+2207908+158557+14108057636538
30K18.64 mi3.11 mi11320-2998009-101579-22130468708647
35K21.75 mi3.11 mi11000+3207692+317554+25106157018518
40K24.85 mi3.10 mi11069-697600+92548+6123587677570
Finish26.22 mi1.37 mi11435-3667772-172562-141720010388793

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

11569

Males

8258

M50-54

8258

5K→10K

3.1 - 6.2 mi

Top 37%
×11story building
+103ft-217ft

Overall

11052

Males

7968

M50-54

7968

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+51ft-55ft

Overall

11569

Males

8258

M50-54

8258

15K→21K

9.3 - 13.1 mi

Top 38%
×1story
+20ft-37ft

Overall

11491

Males

8165

M50-54

8165

21K→25K

13.1 - 15.5 mi

Top 36%
×2story building
+35ft-8ft

Overall

10805

Males

7636

M50-54

7636

25K→30K

15.5 - 18.6 mi

Top 43%
×2story building
+58ft-57ft

Overall

13046

Males

8708

M50-54

8708

30K→35K

18.6 - 21.8 mi

Top 35%
×2story building
+98ft-92ft

Overall

10615

Males

7018

M50-54

7018

35K→40K

21.8 - 24.9 mi

Top 41%
×2story building
+36ft-53ft

Overall

12358

Males

7677

M50-54

7677

40K→Finish

24.9 - 26.2 mi

Top 57%
×5story building
+80ft-24ft

Overall

17200

Males

10388

M50-54

10388

Passing Analysis

Category:
Athletes Passed
2312*
Passed By
2429
Net Change
-117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11318
5K → 10K407*240+167#11318#11151
10K → 15K219*307-88#11151#11239
15K → 21K276*278-2#11239#11241
21K → 25K334*114+220#11241#11021
25K → 30K220*519-299#11021#11320
30K → 35K499*179+320#11320#11000
35K → 40K309*378-69#11000#11069
40K → Finish48*414-366#11069#11435
TOTALS2312*2429-117

* 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