Marine Corps Marathon logo
MARINE CORPS MARATHON 2024

Justin Park

Alexandria, VA

Bib: 4937 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 15907
Top 23%
Gender (Male)
#0 / 9934
Top 28%
Division (M35-39)
#0 / 1396
Top 29%
Race Day Weather
43°/33°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
9:05/mi
28:12
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:33/mi
54:47
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:09/mi
1:20:06
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:10/mi
1:50:33
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:44/mi
2:09:46
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:23/mi
2:35:50
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:06/mi
3:04:07
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:18/mi
3:39:13
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:34/mi
3:55:00
↑ 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
Time1:50:33
Pace8:28 /mi
2nd Half
Distance13.17 mi
Time2:04:27
Pace9:27 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:34:3328:129:0528:12
9:05
-
10K
6.21 mi09:01:0854:478:4926:35
8:33
-0:32
15K
9.32 mi09:26:271:20:068:3625:19
8:09
-0:24
21K
13.05 mi09:56:541:50:338:2830:27
8:10
+0:01
25K
15.53 mi10:16:072:09:468:2119:13
7:44
-0:26
30K
18.64 mi10:42:112:35:508:2226:04
8:23
+0:39
35K
21.75 mi11:10:283:04:078:2828:17
9:06
+0:43
40K
24.85 mi11:45:343:39:138:4935:06
11:18
+2:12
Finish
26.22 mi12:01:213:55:008:5815:47
11:34
+0:16

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

7:44 /mi

Average Pace

8:58 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:13

8% of race

Time at Steady Pace

2:44:54

70% of race

Time at Slower Pace

50:53

22% of race

Average Pace: 8:58 /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 mi08:34:3328:129:0528:12
9:05
#4348
10K
6.21 mi09:01:0854:478:4926:35
8:33
#4270
15K
9.32 mi09:26:271:20:068:3625:19
8:09
#3517
21K
13.05 mi09:56:541:50:338:2830:27
8:10
#3000
25K
15.53 mi10:16:072:09:468:2119:13
7:44
#2683
30K
18.64 mi10:42:112:35:508:2226:04
8:23
#2522
35K
21.75 mi11:10:283:04:078:2828:17
9:06
#2586
40K
24.85 mi11:45:343:39:138:4935:06
11:18
#3324
Finish
26.22 mi12:01:213:55:008:5815:47
11:34
#3664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi4348339550723151893289
10K6.21 mi3.10 mi4270+783355+40490+1742503342491
15K9.32 mi3.11 mi3517+7532787+568410+8023151893289
21K13.05 mi3.73 mi3000+5172395+392350+6021881794268
25K15.53 mi2.48 mi2683+3172157+238318+3216511370204
30K18.64 mi3.11 mi2522+1612026+131303+1521201690252
35K21.75 mi3.11 mi2586-642055-29307-437352762399
40K24.85 mi3.10 mi3324-7382547-492363-5676064947706
Finish26.22 mi1.37 mi3664-3402778-231402-3988965688808

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×18story building
+279ft-164ft

Overall

2315

Males

1893

M35-39

1893

5K→10K

3.1 - 6.2 mi

Top 27%
×11story building
+103ft-217ft

Overall

4250

Males

3342

M35-39

3342

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+51ft-55ft

Overall

2315

Males

1893

M35-39

1893

15K→21K

9.3 - 13.1 mi

Top 14%
×1story
+20ft-37ft

Overall

2188

Males

1794

M35-39

1794

21K→25K

13.1 - 15.5 mi

Top 10%
×2story building
+35ft-8ft

Overall

1651

Males

1370

M35-39

1370

25K→30K

15.5 - 18.6 mi

Top 13%
×2story building
+58ft-57ft

Overall

2120

Males

1690

M35-39

1690

30K→35K

18.6 - 21.8 mi

Top 23%
×2story building
+98ft-92ft

Overall

3735

Males

2762

M35-39

2762

35K→40K

21.8 - 24.9 mi

Top 48%
×2story building
+36ft-53ft

Overall

7606

Males

4947

M35-39

4947

40K→Finish

24.9 - 26.2 mi

Top 56%
×5story building
+80ft-24ft

Overall

8896

Males

5688

M35-39

5688

Passing Analysis

Category:
Athletes Passed
2107*
Passed By
1423
Net Change
+684
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4348
5K → 10K222*144+78#4348#4270
10K → 15K755*2+753#4270#3517
15K → 21K519*2+517#3517#3000
21K → 25K319*2+317#3000#2683
25K → 30K184*23+161#2683#2522
30K → 35K81*145-64#2522#2586
35K → 40K18*756-738#2586#3324
40K → Finish9*349-340#3324#3664
TOTALS2107*1423+684

* 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