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MARINE CORPS MARATHON 2024

Brittany Shelby

West Palm Bch, FL

Bib: 16679 F

0:00
0:00
/ mi
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Overall
#0 / 15907
Gender (Female)
#0 / 5973
Division (F35-39)
#0 / 737
Top 50%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:01/mi
34:14
↑ 279↓ 164
10K· 6.21 mi
10:48/mi
1:07:46
↑ 103↓ 217
15K· 9.32 mi
10:52/mi
1:41:31
↑ 51↓ 55
21K· 13.05 mi
11:00/mi
2:22:32
↑ 20↓ 37
25K· 15.53 mi
10:20/mi
2:48:12
↑ 35
30K· 18.64 mi
11:01/mi
3:22:27
↑ 58↓ 57
35K· 21.75 mi
10:51/mi
3:56:09
↑ 98↓ 92
40K· 24.85 mi
11:07/mi
4:30:42
↑ 36↓ 53
Finish· 26.22 mi
11:18/mi
4:46:07
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:22:3210:55 /mi⚖️ balanced
2nd Half
2:23:3410:54 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
34:1411:013.11 mi34:14
11:01
-
10K
1:07:4610:543.10 mi33:32
10:48
-0:13
15K
1:41:3110:543.11 mi33:45
10:52
+0:04
21K
2:22:3210:553.73 mi41:01
11:00
+0:08
25K
2:48:1210:502.48 mi25:40
10:20
-0:40
30K
3:22:2710:523.11 mi34:15
11:01
+0:41
35K
3:56:0910:523.11 mi33:42
10:51
-0:10
40K
4:30:4210:533.10 mi34:33
11:07
+0:16
Finish(26.22 mi)
4:46:0710:551.37 mi15:25
11:18
+0:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:20 /mi

Average Pace

10:55 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:32:54

32% of race

Time at Steady Pace

3:13:13

68% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:55 /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. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi116453735449116433746448
10K3.10 mi12063-4183915-180469-20124964138500
15K3.11 mi11860+2033833+82458+11116433746448
21K3.73 mi11553+3073701+132436+22111203531428
25K2.48 mi11102+4513535+166418+1893482950343
30K3.11 mi10549+5533353+182389+2989222873325
35K3.11 mi10021+5283185+168363+2677242567291
40K3.10 mi9545+4763069+116356+772312501298
Finish(26.22 mi)1.37 mi9457+883047+22355+182702958351

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×18story building
+279ft-164ft

Overall

11643

Females

3746

F35-39

3746

5K→10K

3.1 - 6.2 mi

Top 79%
×11story building
+103ft-217ft

Overall

12496

Females

4138

F35-39

4138

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+51ft-55ft

Overall

11643

Females

3746

F35-39

3746

15K→21K

9.3 - 13.1 mi

Top 70%
×1story
+20ft-37ft

Overall

11120

Females

3531

F35-39

3531

21K→25K

13.1 - 15.5 mi

Top 59%
×2story building
+35ft-8ft

Overall

9348

Females

2950

F35-39

2950

25K→30K

15.5 - 18.6 mi

Top 56%
×2story building
+58ft-57ft

Overall

8922

Females

2873

F35-39

2873

30K→35K

18.6 - 21.8 mi

Top 49%
×2story building
+98ft-92ft

Overall

7724

Females

2567

F35-39

2567

35K→40K

21.8 - 24.9 mi

Top 45%
×2story building
+36ft-53ft

Overall

7231

Females

2501

F35-39

2501

40K→Finish

24.9 - 26.2 mi

Top 52%
×5story building
+80ft-24ft

Overall

8270

Females

2958

F35-39

2958

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#11645
5K → 10K
526108*-418
#11645 → #12063
10K → 15K
102305*+203
#12063 → #11860
15K → 21K
106413*+307
#11860 → #11553
21K → 25K
18469*+451
#11553 → #11102
25K → 30K
26579*+553
#11102 → #10549
30K → 35K
26554*+528
#10549 → #10021
35K → 40K
32508*+476
#10021 → #9545
40K → Finish
41129*+88
#9545 → #9457
TOTALS
8773065*+2188
#11645 → #9457

* 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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Questions or issues regarding timing data?

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions