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MARINE CORPS MARATHON 2025

David Shields

Mesa, AZ

Bib: 10285 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 50%
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Top 45%
Division (M50-54)
#0 / 1638
Top 45%
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
10:51/mi
33:43
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:25/mi
1:06:05
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:19/mi
1:38:09
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:53/mi
2:18:43
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:20/mi
2:44:25
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:06/mi
3:18:53
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:04/mi
3:53:16
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:11/mi
4:28:01
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:26/mi
4:43:37
↑ 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
Time2:18:43
Pace10:38 /mi
2nd Half
Distance13.17 mi
Time2:24:54
Pace11:00 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:20:3333:4310:5133:43
10:51
-
10K
6.21 mi08:52:551:06:0510:3832:22
10:25
-0:26
15K
9.32 mi09:24:591:38:0910:3232:04
10:19
-0:06
21K
13.05 mi10:05:332:18:4310:3840:34
10:53
+0:34
25K
15.53 mi10:31:152:44:2510:3525:42
10:20
-0:33
30K
18.64 mi11:05:433:18:5310:4034:28
11:06
+0:46
35K
21.75 mi11:40:063:53:1610:4434:23
11:04
-0:02
40K
24.85 mi12:14:514:28:0110:4734:45
11:11
+0:07
Finish
26.22 mi12:30:274:43:3710:5015:36
11:26
+0:15

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

10:19 /mi

Average Pace

10:50 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:28:01

94% of race

Time at Steady Pace

15:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:49 /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 mi08:20:3333:4310:5133:43
10:51
#17143
10K
6.21 mi08:52:551:06:0510:3832:22
10:25
#17808
15K
9.32 mi09:24:591:38:0910:3232:04
10:19
#17301
21K
13.05 mi10:05:332:18:4310:3840:34
10:53
#17338
25K
15.53 mi10:31:152:44:2510:3525:42
10:20
#16797
30K
18.64 mi11:05:433:18:5310:4034:28
11:06
#16285
35K
21.75 mi11:40:063:53:1610:4434:23
11:04
#15640
40K
24.85 mi12:14:514:28:0110:4734:45
11:11
#15000
Finish
26.22 mi12:30:274:43:3710:5015:36
11:26
#14885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi171431145489716707(Top 56%)11220(Top 63%)854(Top 53%)
10K6.21 mi3.10 mi17808-66511844-390932-3518611(Top 62%)12265(Top 69%)969(Top 60%)
15K9.32 mi3.11 mi17301+50711579+265899+3316707(Top 56%)11220(Top 63%)854(Top 53%)
21K13.05 mi3.73 mi17338-3711568+11889+1017842(Top 59%)11774(Top 66%)912(Top 56%)
25K15.53 mi2.48 mi16797+54111222+346860+2915195(Top 51%)10107(Top 57%)765(Top 47%)
30K18.64 mi3.11 mi16285+51210828+394826+3415126(Top 50%)9835(Top 56%)746(Top 46%)
35K21.75 mi3.11 mi15640+64510348+480777+4913308(Top 44%)8485(Top 48%)641(Top 39%)
40K24.85 mi3.10 mi15000+6409859+489744+3312250(Top 41%)7618(Top 43%)566(Top 35%)
Finish26.22 mi1.37 mi14885+1159754+105739+513680(Top 46%)8382(Top 47%)590(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

16707

Males

11220

M50-54

11220

5K→10K

3.1 - 6.2 mi

Top 62%
×11story building
+103ft-217ft

Overall

18611

Males

12265

M50-54

12265

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+51ft-55ft

Overall

16707

Males

11220

M50-54

11220

15K→21K

9.3 - 13.1 mi

Top 59%
×1story
+20ft-37ft

Overall

17842

Males

11774

M50-54

11774

21K→25K

13.1 - 15.5 mi

Top 51%
×2story building
+35ft-8ft

Overall

15195

Males

10107

M50-54

10107

25K→30K

15.5 - 18.6 mi

Top 50%
×2story building
+58ft-57ft

Overall

15126

Males

9835

M50-54

9835

30K→35K

18.6 - 21.8 mi

Top 44%
×2story building
+98ft-92ft

Overall

13308

Males

8485

M50-54

8485

35K→40K

21.8 - 24.9 mi

Top 41%
×2story building
+36ft-53ft

Overall

12250

Males

7618

M50-54

7618

40K→Finish

24.9 - 26.2 mi

Top 46%
×5story building
+80ft-24ft

Overall

13680

Males

8382

M50-54

8382

Passing Analysis

Category:
Athletes Passed
4268*
Passed By
2010
Net Change
+2258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17143
5K → 10K206*871-665#17143#17808
10K → 15K665*158+507#17808#17301
15K → 21K467*504-37#17301#17338
21K → 25K622*81+541#17338#16797
25K → 30K660*148+512#16797#16285
30K → 35K748*103+645#16285#15640
35K → 40K715*75+640#15640#15000
40K → Finish185*70+115#15000#14885
TOTALS4268*2010+2258

* 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