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MARINE CORPS MARATHON 2024

Grace Duncan

Washington, DC

Bib: 9830 F

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 37%
Gender (Female)
#0 / 5973
Top 27%
Division (F25-29)
#0 / 1282
Top 37%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
9:51/mi
30:36
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:25/mi
59:52
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:27/mi
1:29:15
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:36/mi
2:05:01
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:13/mi
2:27:56
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:36/mi
2:57:46
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:44/mi
3:28:01
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:16/mi
3:59:56
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:09/mi
4:13:46
↑ 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
2:05:019:35 /mi⚡ faster
2nd Half
2:08:459:47 /mi+3.0%
Positive split — 3.0% 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
30:369:513.11 mi30:36
9:51
-
10K
59:529:383.10 mi29:16
9:25
-0:26
15K
1:29:159:353.11 mi29:23
9:27
+0:02
21K
2:05:019:353.73 mi35:46
9:36
+0:09
25K
2:27:569:312.48 mi22:55
9:13
-0:23
30K
2:57:469:323.11 mi29:50
9:36
+0:23
35K
3:28:019:343.11 mi30:15
9:44
+0:08
40K
3:59:569:393.10 mi31:55
10:16
+0:32
Finish(26.22 mi)
4:13:469:411.37 mi13:50
10:09
-0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:13 /mi

Average Pace

9:41 /mi

Slowest Pace

10:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:28:01

82% of race

Time at Steady Pace

45:45

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:41 /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

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi7177189752868481771499
10K6.21 mi3.10 mi7412-2351967-70545-1776202028555
15K9.32 mi3.11 mi7166+2461891+76526+1968481771499
21K13.05 mi3.73 mi7042+1241848+43514+1268761802502
25K15.53 mi2.48 mi6805+2371776+72496+1861601642474
30K18.64 mi3.11 mi6432+3731699+77490+654251437424
35K21.75 mi3.11 mi6089+3431629+70483+751981497419
40K24.85 mi3.10 mi5828+2611599+30473+1053911733486
Finish26.22 mi1.37 mi5763+651608-9475-254961796523

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×18story building
+279ft-164ft

Overall

6848

Females

1771

F25-29

1771

5K→10K

3.1 - 6.2 mi

Top 48%
×11story building
+103ft-217ft

Overall

7620

Females

2028

F25-29

2028

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+51ft-55ft

Overall

6848

Females

1771

F25-29

1771

15K→21K

9.3 - 13.1 mi

Top 43%
×1story
+20ft-37ft

Overall

6876

Females

1802

F25-29

1802

21K→25K

13.1 - 15.5 mi

Top 39%
×2story building
+35ft-8ft

Overall

6160

Females

1642

F25-29

1642

25K→30K

15.5 - 18.6 mi

Top 34%
×2story building
+58ft-57ft

Overall

5425

Females

1437

F25-29

1437

30K→35K

18.6 - 21.8 mi

Top 33%
×2story building
+98ft-92ft

Overall

5198

Females

1497

F25-29

1497

35K→40K

21.8 - 24.9 mi

Top 34%
×2story building
+36ft-53ft

Overall

5391

Females

1733

F25-29

1733

40K→Finish

24.9 - 26.2 mi

Top 35%
×5story building
+80ft-24ft

Overall

5496

Females

1796

F25-29

1796

Passing Analysis

Category:
Athletes Passed
2157*
Passed By
743
Net Change
+1414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7177
5K → 10K119*354-235#7177#7412
10K → 15K317*71+246#7412#7166
15K → 21K224*100+124#7166#7042
21K → 25K272*35+237#7042#6805
25K → 30K399*26+373#6805#6432
30K → 35K396*53+343#6432#6089
35K → 40K322*61+261#6089#5828
40K → Finish108*43+65#5828#5763
TOTALS2157*743+1414

* 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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Questions or issues regarding timing data?

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions