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MARINE CORPS MARATHON 2025

Colin Duffy

Arlington, VA

Bib: 7685 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 27%
Gender (Male)
#0 / 17709
Top 33%
Division (M30-34)
#0 / 2603
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
9:55/mi
30:48
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:07/mi
59:09
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:55/mi
1:26:50
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:58/mi
2:00:16
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:35/mi
2:21:36
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:04/mi
2:49:47
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:57/mi
3:20:43
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:30/mi
3:53:19
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:31/mi
4:07:40
↑ 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
Time2:00:16
Pace9:13 /mi
2nd Half
Distance13.17 mi
Time2:07:24
Pace9:40 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:00:3830:489:5530:48
9:55
-
10K
6.21 mi08:28:5959:099:3128:21
9:07
-0:48
15K
9.32 mi08:56:401:26:509:1927:41
8:55
-0:12
21K
13.05 mi09:30:062:00:169:1333:26
8:58
+0:03
25K
15.53 mi09:51:262:21:369:0721:20
8:35
-0:23
30K
18.64 mi10:19:372:49:479:0628:11
9:04
+0:29
35K
21.75 mi10:50:333:20:439:1430:56
9:57
+0:53
40K
24.85 mi11:23:093:53:199:2332:36
10:30
+0:33
Finish
26.22 mi11:37:304:07:409:2714:21
10:31
+0:01

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

8:35 /mi

Average Pace

9:27 /mi

Slowest Pace

10:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:20

9% of race

Time at Steady Pace

1:57:39

48% of race

Time at Slower Pace

1:48:41

44% of race

Average Pace: 9:27 /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 mi08:00:3830:489:5530:48
9:55
#11077
10K
6.21 mi08:28:5959:099:3128:21
9:07
#10690
15K
9.32 mi08:56:401:26:509:1927:41
8:55
#9965
21K
13.05 mi09:30:062:00:169:1333:26
8:58
#9204
25K
15.53 mi09:51:262:21:369:0721:20
8:35
#8625
30K
18.64 mi10:19:372:49:479:0628:11
9:04
#7993
35K
21.75 mi10:50:333:20:439:1430:56
9:57
#8082
40K
24.85 mi11:23:093:53:199:2332:36
10:30
#8121
Finish
26.22 mi11:37:304:07:409:2714:21
10:31
#8125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi1107779501344852863341124
10K6.21 mi3.10 mi10690+3877728+2221326+181030275131303
15K9.32 mi3.11 mi9965+7257287+4411251+75852863341124
21K13.05 mi3.73 mi9204+7616780+5071192+59746956451023
25K15.53 mi2.48 mi8625+5796384+3961129+6362064713856
30K18.64 mi3.11 mi7993+6325927+4571054+7563254698839
35K21.75 mi3.11 mi8082-895922+51044+10894160971046
40K24.85 mi3.10 mi8121-395853+691031+13959061751031
Finish26.22 mi1.37 mi8125-45818+351014+171003363351065

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×18story building
+279ft-164ft

Overall

8528

Males

6334

M30-34

6334

5K→10K

3.1 - 6.2 mi

Top 34%
×11story building
+103ft-217ft

Overall

10302

Males

7513

M30-34

7513

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+51ft-55ft

Overall

8528

Males

6334

M30-34

6334

15K→21K

9.3 - 13.1 mi

Top 25%
×1story
+20ft-37ft

Overall

7469

Males

5645

M30-34

5645

21K→25K

13.1 - 15.5 mi

Top 21%
×2story building
+35ft-8ft

Overall

6206

Males

4713

M30-34

4713

25K→30K

15.5 - 18.6 mi

Top 21%
×2story building
+58ft-57ft

Overall

6325

Males

4698

M30-34

4698

30K→35K

18.6 - 21.8 mi

Top 30%
×2story building
+98ft-92ft

Overall

8941

Males

6097

M30-34

6097

35K→40K

21.8 - 24.9 mi

Top 32%
×2story building
+36ft-53ft

Overall

9590

Males

6175

M30-34

6175

40K→Finish

24.9 - 26.2 mi

Top 33%
×5story building
+80ft-24ft

Overall

10033

Males

6335

M30-34

6335

Passing Analysis

Category:
Athletes Passed
4061*
Passed By
1109
Net Change
+2952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11077
5K → 10K565*178+387#11077#10690
10K → 15K751*26+725#10690#9965
15K → 21K785*24+761#9965#9204
21K → 25K596*17+579#9204#8625
25K → 30K663*31+632#8625#7993
30K → 35K320*409-89#7993#8082
35K → 40K282*321-39#8082#8121
40K → Finish99*103-4#8121#8125
TOTALS4061*1109+2952

* 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