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MARINE CORPS MARATHON 2025

Shengxi Duan

Naperville, IL

Bib: 5335 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 7%
Gender (Male)
#0 / 17709
Top 10%
Masters (Masters Men)
#0 / 8330
Top 6%
Division (M55-59)
#0 / 1294
Top 3%
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
8:28/mi
26:17
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:44/mi
50:19
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:41/mi
1:14:12
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:55/mi
1:43:43
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:43/mi
2:02:53
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:59/mi
2:27:42
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:03/mi
2:52:42
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:10/mi
3:18:04
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:21/mi
3:29:27
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:43:437:57 /mi⚡ faster
2nd Half
1:45:448:02 /mi+1.9%
Positive split — 1.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:178:283.11 mi26:17
8:28
-
10K
50:198:063.10 mi24:02
7:44
-0:44
15K
1:14:127:583.11 mi23:53
7:41
-0:03
21K
1:43:437:573.73 mi29:31
7:55
+0:14
25K
2:02:537:552.48 mi19:10
7:43
-0:12
30K
2:27:427:553.11 mi24:49
7:59
+0:16
35K
2:52:427:563.11 mi25:00
8:03
+0:04
40K
3:18:047:583.10 mi25:22
8:10
+0:07
Finish(26.22 mi)
3:29:278:001.37 mi11:23
8:21
+0:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:41 /mi

Average Pace

8:00 /mi

Slowest Pace

8:28 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:03:10

87% of race

Time at Steady Pace

26:17

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi304124732473246820302030
10K6.21 mi3.10 mi2905+1362379+942379+94282023172317
15K9.32 mi3.11 mi2728+1772241+1382241+138246820302030
21K13.05 mi3.73 mi2694+342209+322209+32265721832183
25K15.53 mi2.48 mi2646+482167+422167+42256220872087
30K18.64 mi3.11 mi2514+1322055+1122055+112233018781878
35K21.75 mi3.11 mi2347+1671916+1391916+139198915941594
40K24.85 mi3.10 mi2172+1751763+1531763+153187914801480
Finish26.22 mi1.37 mi2148+241741+221741+22228117371737

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×18story building
+279ft-164ft

Overall

2468

Males

2030

M55-59

2030

5K→10K

3.1 - 6.2 mi

Top 9%
×11story building
+103ft-217ft

Overall

2820

Males

2317

M55-59

2317

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+51ft-55ft

Overall

2468

Males

2030

M55-59

2030

15K→21K

9.3 - 13.1 mi

Top 9%
×1story
+20ft-37ft

Overall

2657

Males

2183

M55-59

2183

21K→25K

13.1 - 15.5 mi

Top 9%
×2story building
+35ft-8ft

Overall

2562

Males

2087

M55-59

2087

25K→30K

15.5 - 18.6 mi

Top 8%
×2story building
+58ft-57ft

Overall

2330

Males

1878

M55-59

1878

30K→35K

18.6 - 21.8 mi

Top 7%
×2story building
+98ft-92ft

Overall

1989

Males

1594

M55-59

1594

35K→40K

21.8 - 24.9 mi

Top 6%
×2story building
+36ft-53ft

Overall

1879

Males

1480

M55-59

1480

40K→Finish

24.9 - 26.2 mi

Top 8%
×5story building
+80ft-24ft

Overall

2281

Males

1737

M55-59

1737

Passing Analysis

Category:
Athletes Passed
1271*
Passed By
378
Net Change
+893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3041
5K → 10K243*107+136#3041#2905
10K → 15K210*33+177#2905#2728
15K → 21K107*73+34#2728#2694
21K → 25K9547+48#2694#2646
25K → 30K171*39+132#2646#2514
30K → 35K189*22+167#2514#2347
35K → 40K205*30+175#2347#2172
40K → Finish51*27+24#2172#2148
TOTALS1271*378+893

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions