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MARINE CORPS MARATHON 2025

Arthur Sredni

Gaithersburg, MD

Bib: 4483 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 20%
Gender (Male)
#0 / 17709
Top 26%
Division (M25-29)
#0 / 2720
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
8:27/mi
26:14
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:50/mi
50:33
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:50/mi
1:14:52
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:25/mi
1:46:16
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:55/mi
2:08:26
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:20/mi
2:37:25
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:05/mi
3:08:45
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:05/mi
3:43:12
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:05/mi
3:56:57
↑ 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
Time1:46:16
Pace8:09 /mi
2nd Half
Distance13.17 mi
Time2:10:40
Pace9:55 /mi
📊Positive Split: 23.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:48:2126:148:2726:14
8:27
-
10K
6.21 mi08:12:4050:338:0824:19
7:50
-0:37
15K
9.32 mi08:36:591:14:528:0224:19
7:50
0:00
21K
13.05 mi09:08:231:46:168:0931:24
8:25
+0:35
25K
15.53 mi09:30:332:08:268:1622:10
8:55
+0:30
30K
18.64 mi09:59:322:37:258:2728:59
9:20
+0:25
35K
21.75 mi10:30:523:08:458:4131:20
10:05
+0:45
40K
24.85 mi11:05:193:43:128:5934:27
11:05
+1:00
Finish
26.22 mi11:19:043:56:579:0313:45
10:05
-1:00

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

7:50 /mi

Average Pace

9:03 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:38

21% of race

Time at Steady Pace

1:48:47

46% of race

Time at Slower Pace

1:19:32

34% of race

Average Pace: 9:02 /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.

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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 mi07:48:2126:148:2726:14
8:27
#2951
10K
6.21 mi08:12:4050:338:0824:19
7:50
#3108
15K
9.32 mi08:36:591:14:528:0224:19
7:50
#3060
21K
13.05 mi09:08:231:46:168:0931:24
8:25
#3435
25K
15.53 mi09:30:332:08:268:1622:10
8:55
#3940
30K
18.64 mi09:59:322:37:258:2728:59
9:20
#4339
35K
21.75 mi10:30:523:08:458:4131:20
10:05
#5005
40K
24.85 mi11:05:193:43:128:5934:27
11:05
#6007
Finish
26.22 mi11:19:043:56:579:0313:45
10:05
#6126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi2951240352930222465546
10K6.21 mi3.10 mi3108-1572541-138562-3331892619574
15K9.32 mi3.11 mi3060+482505+36554+830222465546
21K13.05 mi3.73 mi3435-3752798-293619-6544103501768
25K15.53 mi2.48 mi3940-5053157-359696-77839661631293
30K18.64 mi3.11 mi4339-3993419-262737-41771555891165
35K21.75 mi3.11 mi5005-6663841-422810-73944663751298
40K24.85 mi3.10 mi6007-10024468-627936-1261186374021458
Finish26.22 mi1.37 mi6126-1194524-56954-18827353641130

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×18story building
+279ft-164ft

Overall

3022

Males

2465

M25-29

2465

5K→10K

3.1 - 6.2 mi

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

Overall

3189

Males

2619

M25-29

2619

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+51ft-55ft

Overall

3022

Males

2465

M25-29

2465

15K→21K

9.3 - 13.1 mi

Top 15%
×1story
+20ft-37ft

Overall

4410

Males

3501

M25-29

3501

21K→25K

13.1 - 15.5 mi

Top 28%
×2story building
+35ft-8ft

Overall

8396

Males

6163

M25-29

6163

25K→30K

15.5 - 18.6 mi

Top 26%
×2story building
+58ft-57ft

Overall

7715

Males

5589

M25-29

5589

30K→35K

18.6 - 21.8 mi

Top 31%
×2story building
+98ft-92ft

Overall

9446

Males

6375

M25-29

6375

35K→40K

21.8 - 24.9 mi

Top 39%
×2story building
+36ft-53ft

Overall

11863

Males

7402

M25-29

7402

40K→Finish

24.9 - 26.2 mi

Top 28%
×5story building
+80ft-24ft

Overall

8273

Males

5364

M25-29

5364

Passing Analysis

Category:
Athletes Passed
526*
Passed By
3701
Net Change
-3175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2951
5K → 10K110*267-157#2951#3108
10K → 15K132*84+48#3108#3060
15K → 21K35*410-375#3060#3435
21K → 25K15520-505#3435#3940
25K → 30K47*446-399#3940#4339
30K → 35K68*734-666#4339#5005
35K → 40K50*1052-1002#5005#6007
40K → Finish69*188-119#6007#6126
TOTALS526*3701-3175

* 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