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MARINE CORPS MARATHON 2025

Judd Serenko

Frederick, MD

Bib: 9524 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
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
11:47/mi
36:37
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
11:02/mi
1:10:54
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:59/mi
1:48:09
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
12:42/mi
2:35:31
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
13:20/mi
3:08:40
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:25/mi
3:50:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:24/mi
4:31:58
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
15:16/mi
5:19:25
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
14:11/mi
5:38:46
↑ 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
2:35:3111:55 /mi⚡ faster
2nd Half
3:03:1513:55 /mi+17.8%
Positive split — 17.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:55:2536:3711:4736:37
11:47
-
10K
6.21 mi08:29:421:10:5411:2534:17
11:02
-0:45
15K
9.32 mi09:06:571:48:0911:3637:15
11:59
+0:57
21K
13.05 mi09:54:192:35:3111:5547:22
12:42
+0:43
25K
15.53 mi10:27:283:08:4012:0933:09
13:20
+0:38
30K
18.64 mi11:09:083:50:2012:2141:40
13:25
+0:05
35K
21.75 mi11:50:464:31:5812:3041:38
13:24
-0:01
40K
24.85 mi12:38:135:19:2512:5147:27
15:16
+1:52
Finish
26.22 mi12:57:345:38:4612:5619:21
14:11
-1:05

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

11:02 /mi

Average Pace

12:56 /mi

Slowest Pace

15:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:35:31

46% of race

Time at Steady Pace

1:56:27

34% of race

Time at Slower Pace

1:06:48

20% of race

Average Pace: 12:55 /mi

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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.

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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 mi07:55:2536:3711:4736:37
11:47
#22783
10K
6.21 mi08:29:421:10:5411:2534:17
11:02
#22500
15K
9.32 mi09:06:571:48:0911:3637:15
11:59
#23539
21K
13.05 mi09:54:192:35:3111:5547:22
12:42
#23834
25K
15.53 mi10:27:283:08:4012:0933:09
13:20
#24168
30K
18.64 mi11:09:083:50:2012:2141:40
13:25
#23834
35K
21.75 mi11:50:464:31:5812:3041:38
13:24
#23395
40K
24.85 mi12:38:135:19:2512:5147:27
15:16
#23638
Finish
26.22 mi12:57:345:38:4612:5619:21
14:11
#23585
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi2278314422207024919154892210
10K6.21 mi3.10 mi22500+28314291+1312058+1222339141942054
15K9.32 mi3.11 mi23539-103914836-5452141-8324919154892210
21K13.05 mi3.73 mi23834-29514935-992143-224582152192159
25K15.53 mi2.48 mi24168-33415049-1142155-1225512153982147
30K18.64 mi3.11 mi23834+33414781+2682111+4422814138981959
35K21.75 mi3.11 mi23395+43914473+3082068+4321112126981795
40K24.85 mi3.10 mi23638-24314493-202069-124748146192055
Finish26.22 mi1.37 mi23585+5314435+582065+422597134541905

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×18story building
+279ft-164ft

Overall

24919

Males

15489

M35-39

15489

5K→10K

3.1 - 6.2 mi

Top 74%
×11story building
+103ft-217ft

Overall

22339

Males

14194

M35-39

14194

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+51ft-55ft

Overall

24919

Males

15489

M35-39

15489

15K→21K

9.3 - 13.1 mi

Top 82%
×1story
+20ft-37ft

Overall

24582

Males

15219

M35-39

15219

21K→25K

13.1 - 15.5 mi

Top 85%
×2story building
+35ft-8ft

Overall

25512

Males

15398

M35-39

15398

25K→30K

15.5 - 18.6 mi

Top 76%
×2story building
+58ft-57ft

Overall

22814

Males

13898

M35-39

13898

30K→35K

18.6 - 21.8 mi

Top 70%
×2story building
+98ft-92ft

Overall

21112

Males

12698

M35-39

12698

35K→40K

21.8 - 24.9 mi

Top 82%
×2story building
+36ft-53ft

Overall

24748

Males

14619

M35-39

14619

40K→Finish

24.9 - 26.2 mi

Top 75%
×5story building
+80ft-24ft

Overall

22597

Males

13454

M35-39

13454

Passing Analysis

Category:
Athletes Passed
2821*
Passed By
3623
Net Change
-802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22783
5K → 10K613*330+283#22783#22500
10K → 15K202*1241-1039#22500#23539
15K → 21K389*684-295#23539#23834
21K → 25K223*557-334#23834#24168
25K → 30K521*187+334#24168#23834
30K → 35K555*116+439#23834#23395
35K → 40K186*429-243#23395#23638
40K → Finish132*79+53#23638#23585
TOTALS2821*3623-802

* 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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions