Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Mason Short

White Plains, MD

Bib: 5252 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 25%
Gender (Male)
#0 / 17709
Top 31%
Division (M30-34)
#0 / 2603
Top 37%
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
8:58/mi
27:50
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:21/mi
53:46
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:39/mi
1:20:40
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:05/mi
1:54:31
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:43/mi
2:16:12
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:41/mi
2:46:16
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:10/mi
3:17:50
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:33/mi
3:50:38
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:58/mi
4:04:13
↑ 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

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:54:31
Pace8:47 /mi
2nd Half
Distance13.17 mi
Time2:09:42
Pace9:51 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:50:3027:508:5827:50
8:58
-
10K
6.21 mi08:16:2653:468:3925:56
8:21
-0:37
15K
9.32 mi08:43:201:20:408:3926:54
8:39
+0:18
21K
13.05 mi09:17:111:54:318:4733:51
9:05
+0:26
25K
15.53 mi09:38:522:16:128:4621:41
8:43
-0:22
30K
18.64 mi10:08:562:46:168:5530:04
9:41
+0:58
35K
21.75 mi10:40:303:17:509:0631:34
10:10
+0:29
40K
24.85 mi11:13:183:50:389:1732:48
10:33
+0:23
Finish
26.22 mi11:26:534:04:139:1913:35
9:58
-0:35

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

8:21 /mi

Average Pace

9:19 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:31

31% of race

Time at Steady Pace

1:01:41

25% of race

Time at Slower Pace

1:48:01

44% of race

Average Pace: 9:19 /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 mi07:50:3027:508:5827:50
8:58
#5338
10K
6.21 mi08:16:2653:468:3925:56
8:21
#5272
15K
9.32 mi08:43:201:20:408:3926:54
8:39
#5682
21K
13.05 mi09:17:111:54:318:4733:51
9:05
#6277
25K
15.53 mi09:38:522:16:128:4621:41
8:43
#6287
30K
18.64 mi10:08:562:46:168:5530:04
9:41
#6787
35K
21.75 mi10:40:303:17:509:0631:34
10:10
#7274
40K
24.85 mi11:13:183:50:389:1732:48
10:33
#7654
Finish
26.22 mi11:26:534:04:139:1913:35
9:58
#7578
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi533841697576822(Top 23%)5195(Top 29%)945(Top 36%)
10K6.21 mi3.10 mi5272+664147+22758-15329(Top 18%)4204(Top 24%)763(Top 29%)
15K9.32 mi3.11 mi5682-4104430-283801-436822(Top 23%)5195(Top 29%)945(Top 36%)
21K13.05 mi3.73 mi6277-5954842-412879-788230(Top 27%)6130(Top 35%)1102(Top 42%)
25K15.53 mi2.48 mi6287-104840+2882-37103(Top 24%)5330(Top 30%)947(Top 36%)
30K18.64 mi3.11 mi6787-5005135-295923-419185(Top 31%)6500(Top 37%)1114(Top 43%)
35K21.75 mi3.11 mi7274-4875390-255965-429738(Top 32%)6530(Top 37%)1103(Top 42%)
40K24.85 mi3.10 mi7654-3805569-179980-159848(Top 33%)6326(Top 36%)1052(Top 40%)
Finish26.22 mi1.37 mi7578+765475+94970+107795(Top 26%)5089(Top 29%)867(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×18story building
+279ft-164ft

Overall

6822

Males

5195

M30-34

5195

5K→10K

3.1 - 6.2 mi

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

Overall

5329

Males

4204

M30-34

4204

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+51ft-55ft

Overall

6822

Males

5195

M30-34

5195

15K→21K

9.3 - 13.1 mi

Top 27%
×1story
+20ft-37ft

Overall

8230

Males

6130

M30-34

6130

21K→25K

13.1 - 15.5 mi

Top 24%
×2story building
+35ft-8ft

Overall

7103

Males

5330

M30-34

5330

25K→30K

15.5 - 18.6 mi

Top 31%
×2story building
+58ft-57ft

Overall

9185

Males

6500

M30-34

6500

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9738

Males

6530

M30-34

6530

35K→40K

21.8 - 24.9 mi

Top 33%
×2story building
+36ft-53ft

Overall

9848

Males

6326

M30-34

6326

40K→Finish

24.9 - 26.2 mi

Top 26%
×5story building
+80ft-24ft

Overall

7795

Males

5089

M30-34

5089

Passing Analysis

Category:
Athletes Passed
1184*
Passed By
3424
Net Change
-2240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5338
5K → 10K287*221+66#5338#5272
10K → 15K50*460-410#5272#5682
15K → 21K59*654-595#5682#6277
21K → 25K151161-10#6277#6287
25K → 30K137*637-500#6287#6787
30K → 35K183*670-487#6787#7274
35K → 40K173*553-380#7274#7654
40K → Finish144*68+76#7654#7578
TOTALS1184*3424-2240

* 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