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MARINE CORPS MARATHON 2025

Alexander Clark

Dallas, TX

Bib: 7939 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 20%
Gender (Male)
#0 / 17709
Top 25%
Division (M35-39)
#0 / 2420
Top 27%
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
8:48/mi
27:19
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:25/mi
53:27
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:34/mi
1:20:03
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:21/mi
1:51:09
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:04/mi
2:11:11
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:06/mi
2:36:21
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:53/mi
3:07:02
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:27/mi
3:42:37
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:07/mi
3:56:25
↑ 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
Time1:51:09
Pace8:31 /mi
2nd Half
Distance13.17 mi
Time2:05:15
Pace9:31 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:58:2327:198:4827:19
8:48
-
10K
6.21 mi08:24:3153:278:3626:08
8:25
-0:23
15K
9.32 mi08:51:071:20:038:3526:36
8:34
+0:09
21K
13.05 mi09:22:131:51:098:3131:06
8:21
-0:13
25K
15.53 mi09:42:152:11:118:2720:02
8:04
-0:17
30K
18.64 mi10:07:252:36:218:2325:10
8:06
+0:02
35K
21.75 mi10:38:063:07:028:3630:41
9:53
+1:47
40K
24.85 mi11:13:413:42:378:5735:35
11:27
+1:34
Finish
26.22 mi11:27:293:56:259:0113:48
10:07
-1:20

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

8:04 /mi

Average Pace

9:01 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:36:21

66% of race

Time at Slower Pace

1:20:04

34% of race

Average Pace: 9:01 /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 mi07:58:2327:198:4827:19
8:48
#4501
10K
6.21 mi08:24:3153:278:3626:08
8:25
#4983
15K
9.32 mi08:51:071:20:038:3526:36
8:34
#5322
21K
13.05 mi09:22:131:51:098:3131:06
8:21
#4908
25K
15.53 mi09:42:152:11:118:2720:02
8:04
#4626
30K
18.64 mi10:07:252:36:218:2325:10
8:06
#4155
35K
21.75 mi10:38:063:07:028:3630:41
9:53
#4632
40K
24.85 mi11:13:413:42:378:5735:35
11:27
#5860
Finish
26.22 mi11:27:293:56:259:0113:48
10:07
#6010
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi450135795426172(Top 21%)4757(Top 27%)711(Top 29%)
10K6.21 mi3.10 mi4983-4823926-347602-605630(Top 19%)4424(Top 25%)667(Top 28%)
15K9.32 mi3.11 mi5322-3394181-255634-326172(Top 21%)4757(Top 27%)711(Top 29%)
21K13.05 mi3.73 mi4908+4143875+306597+374093(Top 14%)3273(Top 18%)503(Top 21%)
25K15.53 mi2.48 mi4626+2823660+215567+303787(Top 13%)3002(Top 17%)460(Top 19%)
30K18.64 mi3.11 mi4155+4713287+373511+562671(Top 9%)2145(Top 12%)318(Top 13%)
35K21.75 mi3.11 mi4632-4773581-294544-338643(Top 29%)5921(Top 33%)868(Top 36%)
40K24.85 mi3.10 mi5860-12284366-785650-10613213(Top 44%)8136(Top 46%)1183(Top 49%)
Finish26.22 mi1.37 mi6010-1504444-78661-118407(Top 28%)5446(Top 31%)772(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×18story building
+279ft-164ft

Overall

6172

Males

4757

M35-39

4757

5K→10K

3.1 - 6.2 mi

Top 19%
×11story building
+103ft-217ft

Overall

5630

Males

4424

M35-39

4424

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+51ft-55ft

Overall

6172

Males

4757

M35-39

4757

15K→21K

9.3 - 13.1 mi

Top 14%
×1story
+20ft-37ft

Overall

4093

Males

3273

M35-39

3273

21K→25K

13.1 - 15.5 mi

Top 13%
×2story building
+35ft-8ft

Overall

3787

Males

3002

M35-39

3002

25K→30K

15.5 - 18.6 mi

Top 9%
×2story building
+58ft-57ft

Overall

2671

Males

2145

M35-39

2145

30K→35K

18.6 - 21.8 mi

Top 29%
×2story building
+98ft-92ft

Overall

8643

Males

5921

M35-39

5921

35K→40K

21.8 - 24.9 mi

Top 44%
×2story building
+36ft-53ft

Overall

13213

Males

8136

M35-39

8136

40K→Finish

24.9 - 26.2 mi

Top 28%
×5story building
+80ft-24ft

Overall

8407

Males

5446

M35-39

5446

Passing Analysis

Category:
Athletes Passed
1476*
Passed By
2985
Net Change
-1509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4501
5K → 10K51*533-482#4501#4983
10K → 15K55*394-339#4983#5322
15K → 21K438*24+414#5322#4908
21K → 25K29715+282#4908#4626
25K → 30K474*3+471#4626#4155
30K → 35K75*552-477#4155#4632
35K → 40K35*1263-1228#4632#5860
40K → Finish51*201-150#5860#6010
TOTALS1476*2985-1509

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions