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SHAMROCK MARATHON HALF 2026

Libby Miller

Silver Spring, MD

Bib: 4146 F 34

0:00
0:00
/ mi
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Overall
#0 / 6406
Top 3%
Gender (Female)
#0 / 3596
Top 1%
Division (F30-34)
#0 / 547
Top 1%
Race Day Weather
55°/45°F
few clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
6:58/mi
21:40
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
7:02/mi
43:31
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
7:14/mi
1:06:00
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
7:30/mi
1:29:17
↑ 35↓ 22
17 ft elev
Finish· 13.10 mi
7:17/mi
1:34:10
↓ 130.2%
11 ft elev
Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent

The Course

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:406:583.11 mi21:40
6:58
-
10K
43:317:003.10 mi21:51
7:02
+0:04
15K
1:06:007:053.11 mi22:29
7:14
+0:12
20K
1:29:177:113.11 mi23:17
7:30
+0:16
Finish(13.10 mi)
1:34:107:110.67 mi4:53
7:17
-0:13
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:58 /mi

Average Pace

7:11 /mi

Slowest Pace

7:30 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:10:53

75% of race

Time at Steady Pace

23:17

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.5mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi182406234477
10K3.10 mi180+239+16189395
15K3.11 mi188-836+36234477
20K3.11 mi194-640-48-2255519
Finish(13.10 mi)0.67 mi198-44082955610

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×1story
+26ft-31ft

Overall

234

Females

47

F30-34

8

5K→10K

3.1 - 6.2 mi

Top 3%
×2story building
+38ft-17ft

Overall

189

Females

39

F30-34

6

10K→15K

6.2 - 9.3 mi

Top 4%
×2story building
+26ft-44ft

Overall

234

Females

47

F30-34

8

15K→20K

9.3 - 12.4 mi

Top 4%
×1story
+35ft-22ft

Overall

255

Females

51

F30-34

10

20K→Finish

12.4 - 13.1 mi

Top 5%
×1human
+7ft-13ft

Overall

295

Females

56

F30-34

11

Passing Analysis

Category:
Passed
28*
Passed By
44
Net Change
-16
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#182
5K → 10K75+2#182#180
10K → 15K8*16-8#180#188
15K → 20K11*17-6#188#194
20K → Finish2*6-4#194#198
TOTALS28*44-16

* 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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Finisher Certificate
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