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SHAMROCK MARATHON 2025

Sharon Eldor Gerling

Chevy Chase, MD

Bib: 1274 F 57

0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Top 35%
Gender (Female)
#0 / 791
Top 26%
Masters (Masters Women)
#0 / 277
Top 17%
Division (F55-59)
#0 / 27
Top 19%
Race Day Weather
71°/61°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
9:15/mi
28:42
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
9:10/mi
57:09
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
9:15/mi
1:25:53
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
9:03/mi
1:53:57
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
9:52/mi
2:00:34
↓ 130.2%
11 ft elev
25K· 15.53 mi
9:14/mi
2:23:01
↑ 48↓ 190.2%
38 ft elev
30K· 18.64 mi
8:12/mi
2:48:28
↑ 38↓ 52
25 ft elev
35K· 21.75 mi
10:35/mi
3:21:20
↑ 39↓ 39
25 ft elev
25.2M
10:18/mi
3:56:50
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
9:30/mi
4:06:30
↑ 17↓ 12
28 ft elev
Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent

The Course

Half Splits

1st Half· via Half
2:00:349:13 /mi⚡ faster
2nd Half
2:05:569:36 /mi+4.5%
Positive split — 4.5% 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
28:429:153.11 mi28:42
9:15
-
10K
57:099:123.10 mi28:27
9:10
-0:05
15K
1:25:539:133.11 mi28:44
9:15
+0:05
20K
1:53:579:113.11 mi28:04
9:03
-0:12
Half(13.10 mi)
2:00:349:130.67 mi6:37
9:52
+0:49
25K
2:23:019:132.43 mi22:27
9:14
-0:38
30K
2:48:289:033.11 mi25:27
8:12
-1:02
35K
3:21:209:163.11 mi32:52
10:35
+2:23
25.2M
3:56:509:243.45 mi35:30
10:18
-0:17
Finish(26.22 mi)
4:06:309:251.02 mi9:40
9:30
-0:48
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:12 /mi

Average Pace

9:25 /mi

Slowest Pace

10:35 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

25:27

10% of race

Time at Steady Pace

2:26:04

59% of race

Time at Slower Pace

1:14:59

30% of race

Average Pace: 9:24 /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. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi90526178902546
10K3.10 mi887+18254+778612526
15K3.11 mi888-1259-56+18902546
20K3.11 mi847+41244+155+17882215
Half(13.10 mi)0.67 mi840+7241+358312375
25K2.43 mi804+36227+1456681884
30K3.11 mi777+27220+756551884
35K3.11 mi708+69204+1655701734
25.2M3.45 mi687+21208-44+17052516
Finish(26.22 mi)1.02 mi685+2207+15-17612745

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×1story
+26ft-31ft

Overall

890

Females

254

F55-59

6

5K→10K

3.1 - 6.2 mi

Top 44%
×2story building
+38ft-17ft

Overall

861

Females

252

F55-59

6

10K→15K

6.2 - 9.3 mi

Top 46%
×2story building
+26ft-44ft

Overall

890

Females

254

F55-59

6

15K→20K

9.3 - 12.4 mi

Top 40%
×1story
+35ft-22ft

Overall

788

Females

221

F55-59

5

20K→Half

12.4 - 13.1 mi

Top 43%
×1human
+7ft-13ft

Overall

831

Females

237

F55-59

5

Half→25K

13.1 - 15.5 mi

Top 34%
×2story building
+48ft-19ft

Overall

668

Females

188

F55-59

4

25K→30K

15.5 - 18.6 mi

Top 34%
×2story building
+38ft-52ft

Overall

655

Females

188

F55-59

4

30K→35K

18.6 - 21.8 mi

Top 29%
×2stacked humans
+39ft-39ft

Overall

570

Females

173

F55-59

4

35K→25.2M

21.8 - 25.2 mi

Top 36%
×3story building
+57ft-58ft

Overall

705

Females

251

F55-59

6

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×1human
+17ft-12ft

Overall

761

Females

274

F55-59

5

Passing Analysis

Category:
Passed
294
Passed By
74
Net Change
+220
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#905
5K → 10K3517+18#905#887
10K → 15K1617-1#887#888
15K → 20K443+41#888#847
20K → Half103+7#847#840
Half → 25K404+36#840#804
25K → 30K347+27#804#777
30K → 35K734+69#777#708
35K → 25.2M3514+21#708#687
25.2M → Finish75+2#687#685
TOTALS29474+220

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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