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MARINE CORPS MARATHON 2025

Maciej Szczerba

Niemcz

Bib: 4279 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 19%
Gender (Male)
#0 / 17709
Top 24%
Masters (Masters Men)
#0 / 8330
Top 16%
Division (M50-54)
#0 / 1638
Top 15%
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
9:06/mi
28:17
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:36/mi
55:00
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:20/mi
1:20:53
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:27/mi
1:52:22
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:34/mi
2:13:40
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:51/mi
2:41:11
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:17/mi
3:10:01
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:52/mi
3:40:40
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:09/mi
3:54:31
↑ 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
Time1:52:22
Pace8:37 /mi
2nd Half
Distance13.17 mi
Time2:02:08
Pace9:16 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:53:1028:179:0628:17
9:06
-
10K
6.21 mi08:19:5355:008:5126:43
8:36
-0:30
15K
9.32 mi08:45:461:20:538:4125:53
8:20
-0:16
21K
13.05 mi09:17:151:52:228:3731:29
8:27
+0:07
25K
15.53 mi09:38:332:13:408:3621:18
8:34
+0:07
30K
18.64 mi10:06:042:41:118:3927:31
8:51
+0:17
35K
21.75 mi10:34:543:10:018:4428:50
9:17
+0:26
40K
24.85 mi11:05:333:40:408:5330:39
9:52
+0:35
Finish
26.22 mi11:19:243:54:318:5713:51
10:09
+0:17

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

8:20 /mi

Average Pace

8:57 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:22

24% of race

Time at Steady Pace

1:43:49

44% of race

Time at Slower Pace

1:13:20

31% of race

Average Pace: 8:57 /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 mi07:53:1028:179:0628:17
9:06
#6163
10K
6.21 mi08:19:5355:008:5126:43
8:36
#6408
15K
9.32 mi08:45:461:20:538:4125:53
8:20
#5815
21K
13.05 mi09:17:151:52:228:3731:29
8:27
#5349
25K
15.53 mi09:38:332:13:408:3621:18
8:34
#5377
30K
18.64 mi10:06:042:41:118:3927:31
8:51
#5283
35K
21.75 mi10:34:543:10:018:4428:50
9:17
#5287
40K
24.85 mi11:05:333:40:408:5330:39
9:52
#5451
Finish
26.22 mi11:19:243:54:318:5713:51
10:09
#5592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi616347402924900(Top 16%)3881(Top 22%)220(Top 14%)
10K6.21 mi3.10 mi6408-2454925-185311-196748(Top 22%)5191(Top 29%)329(Top 20%)
15K9.32 mi3.11 mi5815+5934518+407282+294900(Top 16%)3881(Top 22%)220(Top 14%)
21K13.05 mi3.73 mi5349+4664196+322249+334524(Top 15%)3583(Top 20%)192(Top 12%)
25K15.53 mi2.48 mi5377-284207-11251-26157(Top 20%)4679(Top 26%)276(Top 17%)
30K18.64 mi3.11 mi5283+944099+108240+115303(Top 18%)4010(Top 23%)228(Top 14%)
35K21.75 mi3.11 mi5287-44036+63249-96274(Top 21%)4512(Top 25%)288(Top 18%)
40K24.85 mi3.10 mi5451-1644088-52245+47274(Top 24%)4880(Top 28%)337(Top 21%)
Finish26.22 mi1.37 mi5592-1414166-782458588(Top 29%)5543(Top 31%)382(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×18story building
+279ft-164ft

Overall

4900

Males

3881

M50-54

3881

5K→10K

3.1 - 6.2 mi

Top 22%
×11story building
+103ft-217ft

Overall

6748

Males

5191

M50-54

5191

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+51ft-55ft

Overall

4900

Males

3881

M50-54

3881

15K→21K

9.3 - 13.1 mi

Top 15%
×1story
+20ft-37ft

Overall

4524

Males

3583

M50-54

3583

21K→25K

13.1 - 15.5 mi

Top 20%
×2story building
+35ft-8ft

Overall

6157

Males

4679

M50-54

4679

25K→30K

15.5 - 18.6 mi

Top 18%
×2story building
+58ft-57ft

Overall

5303

Males

4010

M50-54

4010

30K→35K

18.6 - 21.8 mi

Top 21%
×2story building
+98ft-92ft

Overall

6274

Males

4512

M50-54

4512

35K→40K

21.8 - 24.9 mi

Top 24%
×2story building
+36ft-53ft

Overall

7274

Males

4880

M50-54

4880

40K→Finish

24.9 - 26.2 mi

Top 29%
×5story building
+80ft-24ft

Overall

8588

Males

5543

M50-54

5543

Passing Analysis

Category:
Athletes Passed
2065*
Passed By
1494
Net Change
+571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6163
5K → 10K154*399-245#6163#6408
10K → 15K614*21+593#6408#5815
15K → 21K490*24+466#5815#5349
21K → 25K115143-28#5349#5377
25K → 30K228*134+94#5377#5283
30K → 35K224*228-4#5283#5287
35K → 40K185*349-164#5287#5451
40K → Finish55*196-141#5451#5592
TOTALS2065*1494+571

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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