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MARINE CORPS MARATHON 2024

Colleen Cassidy

Alexandria, VA

Bib: 18415 F

0:00
0:00
/ mi
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Overall
#0 / 15907
Gender (Female)
#0 / 5973
Top 47%
Division (F35-39)
#0 / 737
Top 44%
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
10:58/mi
34:03
↑ 279↓ 164
10K· 6.21 mi
10:43/mi
1:07:21
↑ 103↓ 217
15K· 9.32 mi
10:29/mi
1:39:54
↑ 51↓ 55
21K· 13.05 mi
10:48/mi
2:20:09
↑ 20↓ 37
25K· 15.53 mi
10:41/mi
2:46:43
↑ 35
30K· 18.64 mi
11:09/mi
3:21:20
↑ 58↓ 57
35K· 21.75 mi
10:19/mi
3:53:22
↑ 98↓ 92
40K· 24.85 mi
10:17/mi
4:25:18
↑ 36↓ 53
Finish· 26.22 mi
10:36/mi
4:39:46
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:20:0910:44 /mi⚖️ balanced
2nd Half
2:19:3710:36 /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
34:0310:583.11 mi34:03
10:58
-
10K
1:07:2110:503.10 mi33:18
10:43
-0:15
15K
1:39:5410:433.11 mi32:33
10:29
-0:14
21K
2:20:0910:443.73 mi40:15
10:48
+0:19
25K
2:46:4310:442.48 mi26:34
10:41
-0:07
30K
3:21:2010:483.11 mi34:37
11:09
+0:28
35K
3:53:2210:443.11 mi32:02
10:19
-0:50
40K
4:25:1810:403.10 mi31:56
10:17
-0:02
Finish(26.22 mi)
4:39:4610:411.37 mi14:28
10:36
+0:19
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:17 /mi

Average Pace

10:41 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:50:51

61% of race

Time at Steady Pace

1:48:55

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:40 /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 mi114513648439104163187381
10K3.10 mi11843-3923808-160456-17122964038483
15K3.11 mi11297+5463570+238427+29104163187381
21K3.73 mi11001+2963452+118412+15105683283389
25K2.48 mi10803+1983410+42401+11103123346386
30K3.11 mi10377+4263274+136380+2192393007345
35K3.11 mi9635+7423027+247350+3065312063245
40K3.10 mi8905+7302800+227322+2854051744209
Finish(26.22 mi)1.37 mi8731+1742757+43317+565592243266

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×18story building
+279ft-164ft

Overall

10416

Females

3187

F35-39

3187

5K→10K

3.1 - 6.2 mi

Top 77%
×11story building
+103ft-217ft

Overall

12296

Females

4038

F35-39

4038

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+51ft-55ft

Overall

10416

Females

3187

F35-39

3187

15K→21K

9.3 - 13.1 mi

Top 66%
×1story
+20ft-37ft

Overall

10568

Females

3283

F35-39

3283

21K→25K

13.1 - 15.5 mi

Top 65%
×2story building
+35ft-8ft

Overall

10312

Females

3346

F35-39

3346

25K→30K

15.5 - 18.6 mi

Top 58%
×2story building
+58ft-57ft

Overall

9239

Females

3007

F35-39

3007

30K→35K

18.6 - 21.8 mi

Top 41%
×2story building
+98ft-92ft

Overall

6531

Females

2063

F35-39

2063

35K→40K

21.8 - 24.9 mi

Top 34%
×2story building
+36ft-53ft

Overall

5405

Females

1744

F35-39

1744

40K→Finish

24.9 - 26.2 mi

Top 41%
×5story building
+80ft-24ft

Overall

6559

Females

2243

F35-39

2243

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#11451
5K → 10K
511119*-392
#11451 → #11843
10K → 15K
32578*+546
#11843 → #11297
15K → 21K
78374*+296
#11297 → #11001
21K → 25K
75273*+198
#11001 → #10803
25K → 30K
65491*+426
#10803 → #10377
30K → 35K
7749*+742
#10377 → #9635
35K → 40K
6736*+730
#9635 → #8905
40K → Finish
17191*+174
#8905 → #8731
TOTALS
7913511*+2720
#11451 → #8731

* 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