Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Kelvin Ko

New York, NY

Bib: 7331 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 19%
Gender (Male)
#0 / 17709
Top 24%
Masters (Masters Men)
#0 / 8330
Top 16%
Division (M40-44)
#0 / 2340
Top 23%
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
9:37/mi
29:53
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:50/mi
57:20
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:50/mi
1:24:46
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:23/mi
1:59:44
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:32/mi
2:20:56
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:07/mi
2:49:16
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:48/mi
3:16:35
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:33/mi
3:43:08
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:21/mi
3:54:32
↑ 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 21K
Distance13.05 mi
Time1:59:44
Pace9:11 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:54:48
Pace8:43 /mi
📊Negative Split: 4.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:5929:539:3729:53
9:37
-
10K
6.21 mi08:27:2657:209:1427:27
8:50
-0:47
15K
9.32 mi08:54:521:24:469:0627:26
8:50
0:00
21K
13.05 mi09:29:501:59:449:1134:58
9:23
+0:33
25K
15.53 mi09:51:022:20:569:0421:12
8:32
-0:51
30K
18.64 mi10:19:222:49:169:0528:20
9:07
+0:35
35K
21.75 mi10:46:413:16:359:0227:19
8:48
-0:19
40K
24.85 mi11:13:143:43:088:5926:33
8:33
-0:15
Finish
26.22 mi11:24:383:54:328:5711:24
8:21
-0:12

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

8:57 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:41

72% of race

Time at Steady Pace

1:04:51

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:57 /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 mi07:59:5929:539:3729:53
9:37
#9368
10K
6.21 mi08:27:2657:209:1427:27
8:50
#8867
15K
9.32 mi08:54:521:24:469:0627:26
8:50
#8545
21K
13.05 mi09:29:501:59:449:1134:58
9:23
#8935
25K
15.53 mi09:51:022:20:569:0421:12
8:32
#8320
30K
18.64 mi10:19:222:49:169:0528:20
9:07
#7789
35K
21.75 mi10:46:413:16:359:0227:19
8:48
#6927
40K
24.85 mi11:13:143:43:088:5926:33
8:33
#5989
Finish
26.22 mi11:24:383:54:328:5711:24
8:21
#5598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi936868718887932(Top 26%)5939(Top 34%)751(Top 32%)
10K6.21 mi3.10 mi8867+5016574+297847+418312(Top 28%)6217(Top 35%)795(Top 34%)
15K9.32 mi3.11 mi8545+3226354+220820+277932(Top 26%)5939(Top 34%)751(Top 32%)
21K13.05 mi3.73 mi8935-3906608-254842-229997(Top 33%)7268(Top 41%)929(Top 40%)
25K15.53 mi2.48 mi8320+6156187+421781+615913(Top 20%)4516(Top 26%)571(Top 25%)
30K18.64 mi3.11 mi7789+5315798+389738+436570(Top 22%)4864(Top 27%)617(Top 26%)
35K21.75 mi3.11 mi6927+8625163+635660+784217(Top 14%)3155(Top 18%)382(Top 16%)
40K24.85 mi3.10 mi5989+9384454+709567+932773(Top 9%)2096(Top 12%)244(Top 10%)
Finish26.22 mi1.37 mi5598+3914171+283529+382310(Top 8%)1758(Top 10%)194(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×18story building
+279ft-164ft

Overall

7932

Males

5939

M40-44

5939

5K→10K

3.1 - 6.2 mi

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

Overall

8312

Males

6217

M40-44

6217

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+51ft-55ft

Overall

7932

Males

5939

M40-44

5939

15K→21K

9.3 - 13.1 mi

Top 33%
×1story
+20ft-37ft

Overall

9997

Males

7268

M40-44

7268

21K→25K

13.1 - 15.5 mi

Top 20%
×2story building
+35ft-8ft

Overall

5913

Males

4516

M40-44

4516

25K→30K

15.5 - 18.6 mi

Top 22%
×2story building
+58ft-57ft

Overall

6570

Males

4864

M40-44

4864

30K→35K

18.6 - 21.8 mi

Top 14%
×2story building
+98ft-92ft

Overall

4217

Males

3155

M40-44

3155

35K→40K

21.8 - 24.9 mi

Top 9%
×2story building
+36ft-53ft

Overall

2773

Males

2096

M40-44

2096

40K→Finish

24.9 - 26.2 mi

Top 8%
×5story building
+80ft-24ft

Overall

2310

Males

1758

M40-44

1758

Passing Analysis

Category:
Athletes Passed
4595*
Passed By
825
Net Change
+3770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9368
5K → 10K614*113+501#9368#8867
10K → 15K423*101+322#8867#8545
15K → 21K139*529-390#8545#8935
21K → 25K625*10+615#8935#8320
25K → 30K584*53+531#8320#7789
30K → 35K871*9+862#7789#6927
35K → 40K944*6+938#6927#5989
40K → Finish395*4+391#5989#5598
TOTALS4595*825+3770

* 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