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MARINE CORPS MARATHON 2025

Shelly Van Slyke

Chicago, IL

Bib: 33160 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F50-54)
#0 / 1155
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
11:43/mi
36:25
↑ 279↓ 164
10K· 6.21 mi
11:39/mi
1:12:38
↑ 103↓ 217
15K· 9.32 mi
12:39/mi
1:51:55
↑ 51↓ 55
21K· 13.05 mi
14:32/mi
2:46:07
↑ 20↓ 37
25K· 15.53 mi
18:45/mi
3:32:44
↑ 35
30K· 18.64 mi
16:27/mi
4:23:49
↑ 58↓ 57
35K· 21.75 mi
16:44/mi
5:15:49
↑ 98↓ 92
40K· 24.85 mi
17:02/mi
6:08:44
↑ 36↓ 53
Finish· 26.22 mi
16:25/mi
6:31:08
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:46:0712:44 /mi⚡ faster
2nd Half
3:45:0017:05 /mi+35.4%
Positive split — 35.4% 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
36:2511:433.11 mi36:25
11:43
-
10K
1:12:3811:413.10 mi36:13
11:39
-0:04
15K
1:51:5512:003.11 mi39:17
12:39
+1:00
21K
2:46:0712:443.73 mi54:12
14:32
+1:53
25K
3:32:4413:422.48 mi46:37
18:45
+4:13
30K
4:23:4914:093.11 mi51:05
16:27
-2:18
35K
5:15:4914:313.11 mi52:00
16:44
+0:17
40K
6:08:4414:503.10 mi52:55
17:02
+0:18
Finish(26.22 mi)
6:31:0814:561.37 mi22:24
16:25
-0:37
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:39 /mi

Average Pace

14:56 /mi

Slowest Pace

18:45 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:46:07

42% of race

Time at Steady Pace

2:58:24

46% of race

Time at Slower Pace

46:37

12% of race

Average Pace: 14:55 /mi

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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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi2241881776052690010480880
10K3.10 mi24003-15858961-784683-78252719616752
15K3.11 mi25265-12629598-637758-752690010480880
21K3.73 mi26692-142710375-777858-10028563115091002
25K2.48 mi28602-191011486-11111001-14330066123381124
30K3.11 mi28777-17511624-1381024-2328921118461062
35K3.11 mi28830-5311683-591030-628459117081042
40K3.10 mi28692+13811642+4110302770011395991
Finish(26.22 mi)1.37 mi28603+8911607+351025+52687310985938

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

26900

Females

10480

F50-54

10480

5K→10K

3.1 - 6.2 mi

Top 84%
×11story building
+103ft-217ft

Overall

25271

Females

9616

F50-54

9616

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+51ft-55ft

Overall

26900

Females

10480

F50-54

10480

15K→21K

9.3 - 13.1 mi

Top 95%
×1story
+20ft-37ft

Overall

28563

Females

11509

F50-54

11509

21K→25K

13.1 - 15.5 mi

Top 100%
×2story building
+35ft-8ft

Overall

30066

Females

12338

F50-54

12338

25K→30K

15.5 - 18.6 mi

Top 96%
×2story building
+58ft-57ft

Overall

28921

Females

11846

F50-54

11846

30K→35K

18.6 - 21.8 mi

Top 95%
×2story building
+98ft-92ft

Overall

28459

Females

11708

F50-54

11708

35K→40K

21.8 - 24.9 mi

Top 92%
×2story building
+36ft-53ft

Overall

27700

Females

11395

F50-54

11395

40K→Finish

24.9 - 26.2 mi

Top 89%
×5story building
+80ft-24ft

Overall

26873

Females

10985

F50-54

10985

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#22418
5K → 10K
1687102*-1585
#22418 → #24003
10K → 15K
1378116*-1262
#24003 → #25265
15K → 21K
1535108*-1427
#25265 → #26692
21K → 25K
193828*-1910
#26692 → #28602
25K → 30K
291116*-175
#28602 → #28777
30K → 35K
171118*-53
#28777 → #28830
35K → 40K
73211*+138
#28830 → #28692
40K → Finish
1099*+89
#28692 → #28603
TOTALS
7083898*-6185
#22418 → #28603

* 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