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MARINE CORPS MARATHON 2025

Kelly Rieflin

Arlington, VA

Bib: 10705 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 42%
Gender (Female)
#0 / 12338
Top 34%
Division (F25-29)
#0 / 2322
Top 46%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:13/mi
34:50
↑ 279↓ 164
10K· 6.21 mi
10:40/mi
1:07:59
↑ 103↓ 217
15K· 9.32 mi
10:18/mi
1:39:59
↑ 51↓ 55
21K· 13.05 mi
10:34/mi
2:19:21
↑ 20↓ 37
25K· 15.53 mi
10:02/mi
2:44:18
↑ 35
30K· 18.64 mi
10:35/mi
3:17:10
↑ 58↓ 57
35K· 21.75 mi
9:54/mi
3:47:56
↑ 98↓ 92
40K· 24.85 mi
9:47/mi
4:18:21
↑ 36↓ 53
Finish· 26.22 mi
9:49/mi
4:31:45
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:19:2110:41 /mi+5.0%
2nd Half
2:12:2410:03 /mi✓ faster
Negative split — 5.0% faster 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
34:5011:133.11 mi34:50
11:13
-
10K
1:07:5910:563.10 mi33:09
10:40
-0:33
15K
1:39:5910:443.11 mi32:00
10:18
-0:22
21K
2:19:2110:413.73 mi39:22
10:34
+0:16
25K
2:44:1810:352.48 mi24:57
10:02
-0:32
30K
3:17:1010:353.11 mi32:52
10:35
+0:33
35K
3:47:5610:293.11 mi30:46
9:54
-0:41
40K
4:18:2110:243.10 mi30:25
9:47
-0:07
Finish(26.22 mi)
4:31:4510:221.37 mi13:24
9:49
+0:02
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:47 /mi

Average Pace

10:22 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:56:55

87% of race

Time at Steady Pace

34:50

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:22 /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

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi19482678415431655654321296
10K3.10 mi19830-3486938-1541564-212016570721591
15K3.11 mi18605+12256331+6071457+1071655654321296
21K3.73 mi17610+9955897+4341373+841612053021272
25K2.48 mi16751+8595555+3421309+641374544431108
30K3.11 mi15798+9535235+3201258+511298643151069
35K3.11 mi14352+14464725+5101166+9287312767734
40K3.10 mi13075+12774325+4001079+8769852258595
Finish(26.22 mi)1.37 mi12646+4294187+1381061+1872362456659

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×18story building
+279ft-164ft

Overall

16556

Females

5432

F25-29

5432

5K→10K

3.1 - 6.2 mi

Top 67%
×11story building
+103ft-217ft

Overall

20165

Females

7072

F25-29

7072

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+51ft-55ft

Overall

16556

Females

5432

F25-29

5432

15K→21K

9.3 - 13.1 mi

Top 54%
×1story
+20ft-37ft

Overall

16120

Females

5302

F25-29

5302

21K→25K

13.1 - 15.5 mi

Top 46%
×2story building
+35ft-8ft

Overall

13745

Females

4443

F25-29

4443

25K→30K

15.5 - 18.6 mi

Top 43%
×2story building
+58ft-57ft

Overall

12986

Females

4315

F25-29

4315

30K→35K

18.6 - 21.8 mi

Top 29%
×2story building
+98ft-92ft

Overall

8731

Females

2767

F25-29

2767

35K→40K

21.8 - 24.9 mi

Top 23%
×2story building
+36ft-53ft

Overall

6985

Females

2258

F25-29

2258

40K→Finish

24.9 - 26.2 mi

Top 24%
×5story building
+80ft-24ft

Overall

7236

Females

2456

F25-29

2456

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#19482
5K → 10K
684336*-348
#19482 → #19830
10K → 15K
381263*+1225
#19830 → #18605
15K → 21K
761071*+995
#18605 → #17610
21K → 25K
25884*+859
#17610 → #16751
25K → 30K
31984*+953
#16751 → #15798
30K → 35K
21448*+1446
#15798 → #14352
35K → 40K
21279*+1277
#14352 → #13075
40K → Finish
7436*+429
#13075 → #12646
TOTALS
8657701*+6836
#19482 → #12646

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

Passing Visualized

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