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MARINE CORPS MARATHON 2025

Stephen Mercer

Washington, DC

Bib: 12976 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 49%
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Top 45%
Division (M40-44)
#0 / 2340
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
10:58/mi
34:04
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:16/mi
1:05:58
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:22/mi
1:38:09
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:30/mi
2:17:16
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:38/mi
2:43:41
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:07/mi
3:18:12
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:10/mi
3:52:55
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:04/mi
4:27:18
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:09/mi
4:42:30
↑ 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
Time2:17:16
Pace10:31 /mi
2nd Half
Distance13.17 mi
Time2:25:14
Pace11:02 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:17:5634:0410:5834:04
10:58
-
10K
6.21 mi08:49:501:05:5810:3731:54
10:16
-0:42
15K
9.32 mi09:22:011:38:0910:3232:11
10:22
+0:06
21K
13.05 mi10:01:082:17:1610:3139:07
10:30
+0:08
25K
15.53 mi10:27:332:43:4110:3226:25
10:38
+0:08
30K
18.64 mi11:02:043:18:1210:3834:31
11:07
+0:29
35K
21.75 mi11:36:473:52:5510:4334:43
11:10
+0:03
40K
24.85 mi12:11:104:27:1810:4534:23
11:04
-0:06
Finish
26.22 mi12:26:224:42:3010:4715:12
11:09
+0:05

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

10:16 /mi

Average Pace

10:47 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:37

46% of race

Time at Steady Pace

2:32:53

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:46 /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 mi08:17:5634:0410:5834:04
10:58
#17889
10K
6.21 mi08:49:501:05:5810:3731:54
10:16
#17682
15K
9.32 mi09:22:011:38:0910:3232:11
10:22
#17304
21K
13.05 mi10:01:082:17:1610:3139:07
10:30
#16645
25K
15.53 mi10:27:332:43:4110:3226:25
10:38
#16515
30K
18.64 mi11:02:043:18:1210:3834:31
11:07
#16110
35K
21.75 mi11:36:473:52:5510:4334:43
11:10
#15553
40K
24.85 mi12:11:104:27:1810:4534:23
11:04
#14872
Finish
26.22 mi12:26:224:42:3010:4715:12
11:09
#14671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1788911875153616962(Top 56%)11372(Top 64%)1494(Top 64%)
10K6.21 mi3.10 mi17682+20711784+911534+217574(Top 58%)11733(Top 66%)1532(Top 66%)
15K9.32 mi3.11 mi17304+37811580+2041506+2816962(Top 56%)11372(Top 64%)1494(Top 64%)
21K13.05 mi3.73 mi16645+65911205+3751470+3615781(Top 53%)10624(Top 60%)1393(Top 60%)
25K15.53 mi2.48 mi16515+13011060+1451451+1916545(Top 55%)10828(Top 61%)1413(Top 61%)
30K18.64 mi3.11 mi16110+40510732+3281414+3715193(Top 51%)9876(Top 56%)1295(Top 56%)
35K21.75 mi3.11 mi15553+55710293+4391363+5113702(Top 46%)8698(Top 49%)1126(Top 48%)
40K24.85 mi3.10 mi14872+6819777+5161278+8511791(Top 39%)7360(Top 42%)940(Top 40%)
Finish26.22 mi1.37 mi14671+2019620+1571257+2112462(Top 41%)7693(Top 43%)977(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×18story building
+279ft-164ft

Overall

16962

Males

11372

M40-44

11372

5K→10K

3.1 - 6.2 mi

Top 58%
×11story building
+103ft-217ft

Overall

17574

Males

11733

M40-44

11733

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+51ft-55ft

Overall

16962

Males

11372

M40-44

11372

15K→21K

9.3 - 13.1 mi

Top 53%
×1story
+20ft-37ft

Overall

15781

Males

10624

M40-44

10624

21K→25K

13.1 - 15.5 mi

Top 55%
×2story building
+35ft-8ft

Overall

16545

Males

10828

M40-44

10828

25K→30K

15.5 - 18.6 mi

Top 51%
×2story building
+58ft-57ft

Overall

15193

Males

9876

M40-44

9876

30K→35K

18.6 - 21.8 mi

Top 46%
×2story building
+98ft-92ft

Overall

13702

Males

8698

M40-44

8698

35K→40K

21.8 - 24.9 mi

Top 39%
×2story building
+36ft-53ft

Overall

11791

Males

7360

M40-44

7360

40K→Finish

24.9 - 26.2 mi

Top 41%
×5story building
+80ft-24ft

Overall

12462

Males

7693

M40-44

7693

Passing Analysis

Category:
Athletes Passed
4563*
Passed By
1345
Net Change
+3218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17889
5K → 10K540*333+207#17889#17682
10K → 15K583*205+378#17682#17304
15K → 21K804*145+659#17304#16645
21K → 25K372*242+130#16645#16515
25K → 30K574*169+405#16515#16110
30K → 35K698*141+557#16110#15553
35K → 40K744*63+681#15553#14872
40K → Finish248*47+201#14872#14671
TOTALS4563*1345+3218

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions