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MARINE CORPS MARATHON 2025

Junlin Ren

Garnet Valley, PA

Bib: 8574 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 8%
Gender (Male)
#0 / 17709
Top 11%
Division (M35-39)
#0 / 2420
Top 12%
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
8:30/mi
26:26
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:51/mi
50:48
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:36/mi
1:14:26
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:45/mi
1:43:18
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:37/mi
2:02:14
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:58/mi
2:26:58
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:13/mi
2:52:31
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:36/mi
3:19:14
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:01/mi
3:31:32
↑ 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
1:43:187:55 /mi⚡ faster
2nd Half
1:48:138:13 /mi+4.8%
Positive split — 4.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:53:3626:268:3026:26
8:30
-
10K
6.21 mi08:17:5850:488:1124:22
7:51
-0:39
15K
9.32 mi08:41:361:14:267:5923:38
7:36
-0:15
21K
13.05 mi09:10:281:43:187:5528:52
7:45
+0:09
25K
15.53 mi09:29:242:02:147:5218:56
7:37
-0:08
30K
18.64 mi09:54:082:26:587:5324:44
7:58
+0:21
35K
21.75 mi10:19:412:52:317:5625:33
8:13
+0:15
40K
24.85 mi10:46:243:19:148:0126:43
8:36
+0:23
Finish
26.22 mi10:58:423:31:328:0412:18
9:01
+0:25

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

7:36 /mi

Average Pace

8:04 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:26:05

69% of race

Time at Steady Pace

53:09

25% of race

Time at Slower Pace

12:18

6% of race

Average Pace: 8:04 /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.

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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 mi07:53:3626:268:3026:26
8:30
#3311
10K
6.21 mi08:17:5850:488:1124:22
7:51
#3281
15K
9.32 mi08:41:361:14:267:5923:38
7:36
#2846
21K
13.05 mi09:10:281:43:187:5528:52
7:45
#2526
25K
15.53 mi09:29:242:02:147:5218:56
7:37
#2450
30K
18.64 mi09:54:082:26:587:5324:44
7:58
#2352
35K
21.75 mi10:19:412:52:317:5625:33
8:13
#2313
40K
24.85 mi10:46:243:19:148:0126:43
8:36
#2329
Finish
26.22 mi10:58:423:31:328:0412:18
9:01
#2377
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi3311268141221941810264
10K6.21 mi3.10 mi3281+302671+10404+832602673412
15K9.32 mi3.11 mi2846+4352340+331352+5221941810264
21K13.05 mi3.73 mi2526+3202069+271310+4220391701247
25K15.53 mi2.48 mi2450+762007+62293+1722481841264
30K18.64 mi3.11 mi2352+981931+76280+1322351802265
35K21.75 mi3.11 mi2313+391887+44284-424451937292
40K24.85 mi3.10 mi2329-161880+7287-329202197330
Finish26.22 mi1.37 mi2377-481911-31289-242683028453

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×18story building
+279ft-164ft

Overall

2194

Males

1810

M35-39

1810

5K→10K

3.1 - 6.2 mi

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

Overall

3260

Males

2673

M35-39

2673

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+51ft-55ft

Overall

2194

Males

1810

M35-39

1810

15K→21K

9.3 - 13.1 mi

Top 7%
×1story
+20ft-37ft

Overall

2039

Males

1701

M35-39

1701

21K→25K

13.1 - 15.5 mi

Top 7%
×2story building
+35ft-8ft

Overall

2248

Males

1841

M35-39

1841

25K→30K

15.5 - 18.6 mi

Top 7%
×2story building
+58ft-57ft

Overall

2235

Males

1802

M35-39

1802

30K→35K

18.6 - 21.8 mi

Top 8%
×2story building
+98ft-92ft

Overall

2445

Males

1937

M35-39

1937

35K→40K

21.8 - 24.9 mi

Top 10%
×2story building
+36ft-53ft

Overall

2920

Males

2197

M35-39

2197

40K→Finish

24.9 - 26.2 mi

Top 14%
×5story building
+80ft-24ft

Overall

4268

Males

3028

M35-39

3028

Passing Analysis

Category:
Athletes Passed
1450*
Passed By
516
Net Change
+934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3311
5K → 10K177*147+30#3311#3281
10K → 15K439*4+435#3281#2846
15K → 21K330*10+320#2846#2526
21K → 25K10327+76#2526#2450
25K → 30K140*42+98#2450#2352
30K → 35K11980+39#2352#2313
35K → 40K111*127-16#2313#2329
40K → Finish31*79-48#2329#2377
TOTALS1450*516+934

* 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