Leah Shaffner

Washington, DC

Bib: 2561 F

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 16%
Gender (Female)
#0 / 5973
Top 9%
Division (F25-29)
#0 / 1282
Top 13%
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
8:49/mi
27:22
279164
10K· 6.21 mi
8:33/mi
53:56
103217
15K· 9.32 mi
8:36/mi
1:20:39
5155
21K· 13.05 mi
8:38/mi
1:52:49
2037
25K· 15.53 mi
8:14/mi
2:13:17
35
30K· 18.64 mi
8:38/mi
2:40:05
5857
35K· 21.75 mi
8:35/mi
3:06:45
9892
40K· 24.85 mi
8:20/mi
3:32:38
3653
Finish· 26.22 mi
8:02/mi
3:43:35
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:52:498:39 /mi+1.8%
2nd Half
1:50:468:25 /mi✓ faster
Negative split — 1.8% 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
27:228:493.11 mi27:22
8:49
-
10K
53:568:413.10 mi26:34
8:33
-0:16
15K
1:20:398:393.11 mi26:43
8:36
+0:03
21K
1:52:498:393.73 mi32:10
8:38
+0:02
25K
2:13:178:352.48 mi20:28
8:14
-0:24
30K
2:40:058:353.11 mi26:48
8:38
+0:24
35K
3:06:458:353.11 mi26:40
8:35
-0:03
40K
3:32:388:333.10 mi25:53
8:20
-0:15
Finish(26.22 mi)
3:43:358:321.37 mi10:57
8:02
-0:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:02 /mi

Average Pace

8:32 /mi

Slowest Pace

8:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

57:18

26% of race

Time at Steady Pace

2:46:17

74% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi34467342213564737219
10K3.10 mi3787-341797-63239-184227901266
15K3.11 mi3726+61789+8234+53564737219
21K3.73 mi3560+166733+56220+143318662206
25K2.48 mi3392+168700+33212+82858580189
30K3.11 mi3189+203661+39205+72619554174
35K3.11 mi2958+231621+40189+162447585176
40K3.10 mi2586+372558+63174+151516354113
Finish(26.22 mi)1.37 mi2454+132535+23167+7116924879

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×18story building
+279ft-164ft

Overall

3564

Females

737

F25-29

737

5K→10K

3.1 - 6.2 mi

Top 27%
×11story building
+103ft-217ft

Overall

4227

Females

901

F25-29

901

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+51ft-55ft

Overall

3564

Females

737

F25-29

737

15K→21K

9.3 - 13.1 mi

Top 21%
×1story
+20ft-37ft

Overall

3318

Females

662

F25-29

662

21K→25K

13.1 - 15.5 mi

Top 18%
×2story building
+35ft-8ft

Overall

2858

Females

580

F25-29

580

25K→30K

15.5 - 18.6 mi

Top 16%
×2story building
+58ft-57ft

Overall

2619

Females

554

F25-29

554

30K→35K

18.6 - 21.8 mi

Top 15%
×2story building
+98ft-92ft

Overall

2447

Females

585

F25-29

585

35K→40K

21.8 - 24.9 mi

Top 10%
×2story building
+36ft-53ft

Overall

1516

Females

354

F25-29

354

40K→Finish

24.9 - 26.2 mi

Top 7%
×5story building
+80ft-24ft

Overall

1169

Females

248

F25-29

248

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#3446
5K10K
36827*-341
#3446 #3787
10K15K
80141*+61
#3787 #3726
15K21K
45211*+166
#3726 #3560
21K25K
11179*+168
#3560 #3392
25K30K
21224*+203
#3392 #3189
30K35K
27258*+231
#3189 #2958
35K40K
9381*+372
#2958 #2586
40KFinish
1133*+132
#2586 #2454
TOTALS
5621554*+992
#3446 #2454

* 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