Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Seung Choi

Woodbridge, VA

Bib: 20933 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Gender (Male)
#0 / 17709
Division (M35-39)
#0 / 2420
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
9:41/mi
30:06
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:05/mi
58:20
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:55/mi
1:26:03
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:54/mi
1:59:15
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:11/mi
2:22:05
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:37/mi
2:55:03
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:13/mi
3:36:08
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
17:59/mi
4:32:01
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
21:08/mi
5:00:51
↑ 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
Time1:59:15
Pace9:08 /mi
2nd Half
Distance13.17 mi
Time3:01:36
Pace13:47 /mi
📊Positive Split: 52.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:02:2830:069:4130:06
9:41
-
10K
6.21 mi08:30:4258:209:2328:14
9:05
-0:36
15K
9.32 mi08:58:251:26:039:1427:43
8:55
-0:10
21K
13.05 mi09:31:371:59:159:0833:12
8:54
-0:01
25K
15.53 mi09:54:272:22:059:0922:50
9:11
+0:17
30K
18.64 mi10:27:252:55:039:2332:58
10:37
+1:26
35K
21.75 mi11:08:303:36:089:5641:05
13:13
+2:36
40K
24.85 mi12:04:234:32:0110:5755:53
17:59
+4:46
Finish
26.22 mi12:33:135:00:5111:2928:50
21:08
+3:09

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

8:54 /mi

Average Pace

11:29 /mi

Slowest Pace

21:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:55:03

58% of race

Time at Slower Pace

2:05:48

42% of race

Average Pace: 11:28 /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 mi08:02:2830:069:4130:06
9:41
#9795
10K
6.21 mi08:30:4258:209:2328:14
9:05
#9908
15K
9.32 mi08:58:251:26:039:1427:43
8:55
#9434
21K
13.05 mi09:31:371:59:159:0833:12
8:54
#8675
25K
15.53 mi09:54:272:22:059:0922:50
9:11
#8833
30K
18.64 mi10:27:252:55:039:2332:58
10:37
#9636
35K
21.75 mi11:08:303:36:089:5641:05
13:13
#11613
40K
24.85 mi12:04:234:32:0110:5755:53
17:59
#15820
Finish
26.22 mi12:33:135:00:5111:2928:50
21:08
#18095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi97957140104686426416940
10K6.21 mi3.10 mi9908-1137250-1101072-261009973751092
15K9.32 mi3.11 mi9434+4746944+3061029+4386426416940
21K13.05 mi3.73 mi8675+7596442+502949+8070915380797
25K15.53 mi2.48 mi8833-1586526-84966-17974570101005
30K18.64 mi3.11 mi9636-8036993-4671026-601315187681271
35K21.75 mi3.11 mi11613-19778043-10501174-14820582123991743
40K24.85 mi3.10 mi15820-420710311-22681504-33028590168492317
Finish26.22 mi1.37 mi18095-227511496-11851672-16829708175092393

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×18story building
+279ft-164ft

Overall

8642

Males

6416

M35-39

6416

5K→10K

3.1 - 6.2 mi

Top 34%
×11story building
+103ft-217ft

Overall

10099

Males

7375

M35-39

7375

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+51ft-55ft

Overall

8642

Males

6416

M35-39

6416

15K→21K

9.3 - 13.1 mi

Top 24%
×1story
+20ft-37ft

Overall

7091

Males

5380

M35-39

5380

21K→25K

13.1 - 15.5 mi

Top 32%
×2story building
+35ft-8ft

Overall

9745

Males

7010

M35-39

7010

25K→30K

15.5 - 18.6 mi

Top 44%
×2story building
+58ft-57ft

Overall

13151

Males

8768

M35-39

8768

30K→35K

18.6 - 21.8 mi

Top 68%
×2story building
+98ft-92ft

Overall

20582

Males

12399

M35-39

12399

35K→40K

21.8 - 24.9 mi

Top 95%
×2story building
+36ft-53ft

Overall

28590

Males

16849

M35-39

16849

40K→Finish

24.9 - 26.2 mi

Top 99%
×5story building
+80ft-24ft

Overall

29708

Males

17509

M35-39

17509

Passing Analysis

Category:
Athletes Passed
1926*
Passed By
10226
Net Change
-8300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9795
5K → 10K257*370-113#9795#9908
10K → 15K529*55+474#9908#9434
15K → 21K788*29+759#9434#8675
21K → 25K168*326-158#8675#8833
25K → 30K109*912-803#8833#9636
30K → 35K55*2032-1977#9636#11613
35K → 40K12*4219-4207#11613#15820
40K → Finish8*2283-2275#15820#18095
TOTALS1926*10226-8300

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

Passing Charts

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