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MARINE CORPS MARATHON 2025

Zhendong Sun

Shandong

Bib: 17528 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Division (M40-44)
#0 / 2340
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
16:50/mi
52:17
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:27/mi
1:30:59
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:40/mi
2:10:19
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
15:57/mi
3:09:48
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
13:05/mi
3:42:20
↑ 350.2%
30 ft elev
30K· 18.64 mi
15:22/mi
4:30:06
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:36/mi
5:12:20
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
18:35/mi
6:10:03
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
17:48/mi
6:34:20
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time3:09:48
Pace14:33 /mi
2nd Half
Distance13.17 mi
Time3:24:31
Pace15:32 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:48:2052:1716:5052:17
16:50
-
10K
6.21 mi09:27:021:30:5914:3938:42
12:27
-4:23
15K
9.32 mi10:06:222:10:1913:5939:20
12:40
+0:13
21K
13.05 mi11:05:513:09:4814:3359:29
15:57
+3:17
25K
15.53 mi11:38:233:42:2014:1932:32
13:05
-2:52
30K
18.64 mi12:26:094:30:0614:2947:46
15:22
+2:17
35K
21.75 mi13:08:235:12:2014:2242:14
13:36
-1:46
40K
24.85 mi14:06:066:10:0314:5357:43
18:35
+4:59
Finish
26.22 mi14:30:236:34:2015:0324:17
17:48
-0:47

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

12:27 /mi

Average Pace

15:03 /mi

Slowest Pace

18:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:48

39% of race

Time at Steady Pace

1:47:15

27% of race

Time at Slower Pace

2:14:17

34% of race

Average Pace: 15:02 /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 mi08:48:2052:1716:5052:17
16:50
#30370
10K
6.21 mi09:27:021:30:5914:3938:42
12:27
#30104
15K
9.32 mi10:06:222:10:1913:5939:20
12:40
#29702
21K
13.05 mi11:05:513:09:4814:3359:29
15:57
#29787
25K
15.53 mi11:38:233:42:2014:1932:32
13:05
#29428
30K
18.64 mi12:26:094:30:0614:2947:46
15:22
#29208
35K
21.75 mi13:08:235:12:2014:2242:14
13:36
#28559
40K
24.85 mi14:06:066:10:0314:5357:43
18:35
#28762
Finish
26.22 mi14:30:236:34:2015:0324:17
17:48
#28746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3037017882232826939(Top 90%)16434(Top 93%)2163(Top 93%)
10K6.21 mi3.10 mi30104+26617778+1042321+727751(Top 92%)16807(Top 95%)2219(Top 95%)
15K9.32 mi3.11 mi29702+40217617+1612310+1126939(Top 90%)16434(Top 93%)2163(Top 93%)
21K13.05 mi3.73 mi29787-8517636-192314-429731(Top 99%)17585(Top 99%)2305(Top 99%)
25K15.53 mi2.48 mi29428+35917466+1702295+1924889(Top 83%)15109(Top 85%)1990(Top 85%)
30K18.64 mi3.11 mi29208+22017341+1252283+1227610(Top 92%)16346(Top 92%)2147(Top 92%)
35K21.75 mi3.11 mi28559+64917022+3192239+4421815(Top 73%)13068(Top 74%)1734(Top 74%)
40K24.85 mi3.10 mi28762-20317083-612255-1629026(Top 97%)17085(Top 96%)2245(Top 96%)
Finish26.22 mi1.37 mi28746+1617064+192249+628281(Top 94%)16675(Top 94%)2185(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×18story building
+279ft-164ft

Overall

26939

Males

16434

M40-44

16434

5K→10K

3.1 - 6.2 mi

Top 92%
×11story building
+103ft-217ft

Overall

27751

Males

16807

M40-44

16807

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+51ft-55ft

Overall

26939

Males

16434

M40-44

16434

15K→21K

9.3 - 13.1 mi

Top 99%
×1story
+20ft-37ft

Overall

29731

Males

17585

M40-44

17585

21K→25K

13.1 - 15.5 mi

Top 83%
×2story building
+35ft-8ft

Overall

24889

Males

15109

M40-44

15109

25K→30K

15.5 - 18.6 mi

Top 92%
×2story building
+58ft-57ft

Overall

27610

Males

16346

M40-44

16346

30K→35K

18.6 - 21.8 mi

Top 73%
×2story building
+98ft-92ft

Overall

21815

Males

13068

M40-44

13068

35K→40K

21.8 - 24.9 mi

Top 97%
×2story building
+36ft-53ft

Overall

29026

Males

17085

M40-44

17085

40K→Finish

24.9 - 26.2 mi

Top 94%
×5story building
+80ft-24ft

Overall

28281

Males

16675

M40-44

16675

Passing Analysis

Category:
Athletes Passed
2169*
Passed By
545
Net Change
+1624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#30370
5K → 10K267*1+266#30370#30104
10K → 15K405*3+402#30104#29702
15K → 21K104*189-85#29702#29787
21K → 25K361*2+359#29787#29428
25K → 30K244*24+220#29428#29208
30K → 35K650*1+649#29208#28559
35K → 40K82*285-203#28559#28762
40K → Finish56*40+16#28762#28746
TOTALS2169*545+1624

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions