Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Jackson Sheehy

Arlington, VA

Bib: 39797 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 44%
Gender (Male)
#0 / 17709
Division (M20-24)
#0 / 1424
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
9:31/mi
29:35
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:52/mi
57:08
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:06/mi
1:25:24
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:22/mi
2:00:18
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:22/mi
2:23:35
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:22/mi
2:55:47
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:03/mi
3:36:19
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:07/mi
4:20:09
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:50/mi
4:34:56
↑ 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 21KFaster
Distance13.05 mi
Time2:00:18
Pace9:13 /mi
2nd Half
Distance13.17 mi
Time2:34:38
Pace11:44 /mi
📊Positive Split: 28.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:48:2929:359:3129:35
9:31
-
10K
6.21 mi08:16:0257:089:1227:33
8:52
-0:39
15K
9.32 mi08:44:181:25:249:1028:16
9:06
+0:14
21K
13.05 mi09:19:122:00:189:1334:54
9:22
+0:16
25K
15.53 mi09:42:292:23:359:1523:17
9:22
0:00
30K
18.64 mi10:14:412:55:479:2632:12
10:22
+1:00
35K
21.75 mi10:55:133:36:199:5740:32
13:03
+2:41
40K
24.85 mi11:39:034:20:0910:2843:50
14:07
+1:04
Finish
26.22 mi11:53:504:34:5610:3014:47
10:50
-3:17

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

8:52 /mi

Average Pace

10:30 /mi

Slowest Pace

14:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:55:47

64% of race

Time at Slower Pace

1:39:09

36% of race

Average Pace: 10:29 /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 mi07:48:2929:359:3129:35
9:31
#8785
10K
6.21 mi08:16:0257:089:1227:33
8:52
#8631
15K
9.32 mi08:44:181:25:249:1028:16
9:06
#8992
21K
13.05 mi09:19:122:00:189:1334:54
9:22
#9217
25K
15.53 mi09:42:292:23:359:1523:17
9:22
#9407
30K
18.64 mi10:14:412:55:479:2632:12
10:22
#9835
35K
21.75 mi10:55:133:36:199:5740:32
13:03
#11662
40K
24.85 mi11:39:034:20:0910:2843:50
14:07
#13428
Finish
26.22 mi11:53:504:34:5610:3014:47
10:50
#13268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi878565057119746(Top 32%)7136(Top 40%)776(Top 55%)
10K6.21 mi3.10 mi8631+1546407+98696+158541(Top 28%)6369(Top 36%)691(Top 49%)
15K9.32 mi3.11 mi8992-3616650-243721-259746(Top 32%)7136(Top 40%)776(Top 55%)
21K13.05 mi3.73 mi9217-2256789-139732-119901(Top 33%)7207(Top 41%)790(Top 56%)
25K15.53 mi2.48 mi9407-1906891-102747-1510503(Top 35%)7464(Top 42%)813(Top 57%)
30K18.64 mi3.11 mi9835-4287119-228771-2412080(Top 40%)8146(Top 46%)868(Top 61%)
35K21.75 mi3.11 mi11662-18278077-958844-7320019(Top 67%)12105(Top 68%)1109(Top 78%)
40K24.85 mi3.10 mi13428-17668969-892918-7421757(Top 72%)12930(Top 73%)1169(Top 82%)
Finish26.22 mi1.37 mi13268+1608839+130911+711229(Top 37%)6991(Top 39%)777(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×18story building
+279ft-164ft

Overall

9746

Males

7136

M20-24

7136

5K→10K

3.1 - 6.2 mi

Top 28%
×11story building
+103ft-217ft

Overall

8541

Males

6369

M20-24

6369

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+51ft-55ft

Overall

9746

Males

7136

M20-24

7136

15K→21K

9.3 - 13.1 mi

Top 33%
×1story
+20ft-37ft

Overall

9901

Males

7207

M20-24

7207

21K→25K

13.1 - 15.5 mi

Top 35%
×2story building
+35ft-8ft

Overall

10503

Males

7464

M20-24

7464

25K→30K

15.5 - 18.6 mi

Top 40%
×2story building
+58ft-57ft

Overall

12080

Males

8146

M20-24

8146

30K→35K

18.6 - 21.8 mi

Top 67%
×2story building
+98ft-92ft

Overall

20019

Males

12105

M20-24

12105

35K→40K

21.8 - 24.9 mi

Top 72%
×2story building
+36ft-53ft

Overall

21757

Males

12930

M20-24

12930

40K→Finish

24.9 - 26.2 mi

Top 37%
×5story building
+80ft-24ft

Overall

11229

Males

6991

M20-24

6991

Passing Analysis

Category:
Athletes Passed
1334*
Passed By
5817
Net Change
-4483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8785
5K → 10K362*208+154#8785#8631
10K → 15K120*481-361#8631#8992
15K → 21K183*408-225#8992#9217
21K → 25K185*375-190#9217#9407
25K → 30K160*588-428#9407#9835
30K → 35K59*1886-1827#9835#11662
35K → 40K47*1813-1766#11662#13428
40K → Finish218*58+160#13428#13268
TOTALS1334*5817-4483

* 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