Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Charles Ashendorf

Mill Valley, CA

Bib: 5207 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 13%
Gender (Male)
#0 / 17709
Top 17%
Division (M20-24)
#0 / 1424
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
9:35/mi
29:45
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:23/mi
55:47
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:31/mi
1:22:16
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:34/mi
1:54:14
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:14/mi
2:14:43
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:36/mi
2:41:26
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:22/mi
3:07:26
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:09/mi
3:32:44
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:27/mi
3:44:15
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 21K
Distance13.05 mi
Time1:54:14
Pace8:45 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:50:00
Pace8:21 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:03:0029:459:3529:45
9:35
-
10K
6.21 mi08:29:0255:478:5926:02
8:23
-1:12
15K
9.32 mi08:55:311:22:168:5026:29
8:31
+0:08
21K
13.05 mi09:27:291:54:148:4531:58
8:34
+0:03
25K
15.53 mi09:47:582:14:438:4020:29
8:14
-0:20
30K
18.64 mi10:14:412:41:268:4026:43
8:36
+0:22
35K
21.75 mi10:40:413:07:268:3726:00
8:22
-0:14
40K
24.85 mi11:05:593:32:448:3425:18
8:09
-0:13
Finish
26.22 mi11:17:303:44:158:3411:31
8:27
+0:18

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

8:09 /mi

Average Pace

8:34 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:30

87% of race

Time at Steady Pace

29:45

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi08:03:0029:459:3529:45
9:35
#9117
10K
6.21 mi08:29:0255:478:5926:02
8:23
#7186
15K
9.32 mi08:55:311:22:168:5026:29
8:31
#6710
21K
13.05 mi09:27:291:54:148:4531:58
8:34
#6150
25K
15.53 mi09:47:582:14:438:4020:29
8:14
#5783
30K
18.64 mi10:14:412:41:268:4026:43
8:36
#5333
35K
21.75 mi10:40:413:07:268:3726:00
8:22
#4708
40K
24.85 mi11:05:593:32:448:3425:18
8:09
#4049
Finish
26.22 mi11:17:303:44:158:3411:31
8:27
#3888
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi911767047245972(Top 20%)4618(Top 26%)538(Top 38%)
10K6.21 mi3.10 mi7186+19315453+1251610+1145479(Top 18%)4317(Top 24%)489(Top 34%)
15K9.32 mi3.11 mi6710+4765134+319583+275972(Top 20%)4618(Top 26%)538(Top 38%)
21K13.05 mi3.73 mi6150+5604755+379556+275150(Top 17%)4038(Top 23%)493(Top 35%)
25K15.53 mi2.48 mi5783+3674489+266531+254494(Top 15%)3511(Top 20%)423(Top 30%)
30K18.64 mi3.11 mi5333+4504137+352482+494246(Top 14%)3289(Top 19%)397(Top 28%)
35K21.75 mi3.11 mi4708+6253634+503436+462809(Top 9%)2195(Top 12%)296(Top 21%)
40K24.85 mi3.10 mi4049+6593132+502396+401842(Top 6%)1454(Top 8%)207(Top 15%)
Finish26.22 mi1.37 mi3888+1613004+128380+162539(Top 8%)1918(Top 11%)275(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×18story building
+279ft-164ft

Overall

5972

Males

4618

M20-24

4618

5K→10K

3.1 - 6.2 mi

Top 18%
×11story building
+103ft-217ft

Overall

5479

Males

4317

M20-24

4317

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+51ft-55ft

Overall

5972

Males

4618

M20-24

4618

15K→21K

9.3 - 13.1 mi

Top 17%
×1story
+20ft-37ft

Overall

5150

Males

4038

M20-24

4038

21K→25K

13.1 - 15.5 mi

Top 15%
×2story building
+35ft-8ft

Overall

4494

Males

3511

M20-24

3511

25K→30K

15.5 - 18.6 mi

Top 14%
×2story building
+58ft-57ft

Overall

4246

Males

3289

M20-24

3289

30K→35K

18.6 - 21.8 mi

Top 9%
×2story building
+98ft-92ft

Overall

2809

Males

2195

M20-24

2195

35K→40K

21.8 - 24.9 mi

Top 6%
×2story building
+36ft-53ft

Overall

1842

Males

1454

M20-24

1454

40K→Finish

24.9 - 26.2 mi

Top 8%
×5story building
+80ft-24ft

Overall

2539

Males

1918

M20-24

1918

Passing Analysis

Category:
Athletes Passed
5355*
Passed By
126
Net Change
+5229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9117
5K → 10K1939*8+1931#9117#7186
10K → 15K514*38+476#7186#6710
15K → 21K581*21+560#6710#6150
21K → 25K38720+367#6150#5783
25K → 30K470*20+450#5783#5333
30K → 35K632*7+625#5333#4708
35K → 40K663*4+659#4708#4049
40K → Finish169*8+161#4049#3888
TOTALS5355*126+5229

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions