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MARINE CORPS MARATHON 2025

Sean Li

Arlington, VA

Bib: 8596 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 11%
Gender (Male)
#0 / 17709
Top 14%
Division (M35-39)
#0 / 2420
Top 16%
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
8:37/mi
26:46
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:19/mi
52:37
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:19/mi
1:18:26
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:19/mi
1:49:28
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:04/mi
2:09:32
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:22/mi
2:35:31
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:25/mi
3:01:40
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:30/mi
3:28:04
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:05/mi
3:39:06
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:49:288:23 /mi⚖️ balanced
2nd Half
1:49:378:19 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:58:4226:468:3726:46
8:37
-
10K
6.21 mi08:24:3352:378:2825:51
8:19
-0:18
15K
9.32 mi08:50:221:18:268:2525:49
8:19
0:00
21K
13.05 mi09:21:241:49:288:2331:02
8:19
0:00
25K
15.53 mi09:41:282:09:328:2020:04
8:04
-0:15
30K
18.64 mi10:07:272:35:318:2125:59
8:22
+0:18
35K
21.75 mi10:33:363:01:408:2126:09
8:25
+0:03
40K
24.85 mi11:00:003:28:048:2226:24
8:30
+0:05
Finish
26.22 mi11:11:023:39:068:2211:02
8:05
-0:25

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

8:22 /mi

Slowest Pace

8:37 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:45:56

76% of race

Time at Steady Pace

53:10

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /mi

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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.

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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 mi07:58:4226:468:3726:46
8:37
#3726
10K
6.21 mi08:24:3352:378:2825:51
8:19
#4452
15K
9.32 mi08:50:221:18:268:2525:49
8:19
#4519
21K
13.05 mi09:21:241:49:288:2331:02
8:19
#4314
25K
15.53 mi09:41:282:09:328:2020:04
8:04
#4195
30K
18.64 mi10:07:272:35:318:2125:59
8:22
#3990
35K
21.75 mi10:33:363:01:408:2126:09
8:25
#3686
40K
24.85 mi11:00:003:28:048:2226:24
8:30
#3376
Finish
26.22 mi11:11:023:39:068:2211:02
8:05
#3197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi3726300245948093820589
10K6.21 mi3.10 mi4452-7263556-554552-9351884104631
15K9.32 mi3.11 mi4519-673607-51558-648093820589
21K13.05 mi3.73 mi4314+2053449+158539+1940333231499
25K15.53 mi2.48 mi4195+1193346+103521+1838393042465
30K18.64 mi3.11 mi3990+2053173+173494+2734142697408
35K21.75 mi3.11 mi3686+3042923+250457+3729312275337
40K24.85 mi3.10 mi3376+3102651+272412+4526422011301
Finish26.22 mi1.37 mi3197+1792510+141385+2716891313185

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

4809

Males

3820

M35-39

3820

5K→10K

3.1 - 6.2 mi

Top 17%
×11story building
+103ft-217ft

Overall

5188

Males

4104

M35-39

4104

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+51ft-55ft

Overall

4809

Males

3820

M35-39

3820

15K→21K

9.3 - 13.1 mi

Top 13%
×1story
+20ft-37ft

Overall

4033

Males

3231

M35-39

3231

21K→25K

13.1 - 15.5 mi

Top 13%
×2story building
+35ft-8ft

Overall

3839

Males

3042

M35-39

3042

25K→30K

15.5 - 18.6 mi

Top 11%
×2story building
+58ft-57ft

Overall

3414

Males

2697

M35-39

2697

30K→35K

18.6 - 21.8 mi

Top 10%
×2story building
+98ft-92ft

Overall

2931

Males

2275

M35-39

2275

35K→40K

21.8 - 24.9 mi

Top 9%
×2story building
+36ft-53ft

Overall

2642

Males

2011

M35-39

2011

40K→Finish

24.9 - 26.2 mi

Top 6%
×5story building
+80ft-24ft

Overall

1689

Males

1313

M35-39

1313

Passing Analysis

Category:
Athletes Passed
1613*
Passed By
1084
Net Change
+529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3726
5K → 10K23*749-726#3726#4452
10K → 15K100*167-67#4452#4519
15K → 21K251*46+205#4519#4314
21K → 25K14829+119#4314#4195
25K → 30K245*40+205#4195#3990
30K → 35K332*28+304#3990#3686
35K → 40K330*20+310#3686#3376
40K → Finish184*5+179#3376#3197
TOTALS1613*1084+529

* 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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions