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SHAMROCK MARATHON 2025

Julie Stallings

Fairfax, VA

Bib: 3001 F 56

0:00
0:00
/ mi
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Overall
#0 / 1949
Top 10%
Gender (Female)
#0 / 791
Top 6%
Masters (Masters Women)
#0 / 277
Top 4%
Division (F55-59)
#0 / 27
Top 4%
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
7:36/mi
23:34
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
7:31/mi
46:55
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
7:22/mi
1:09:48
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
7:25/mi
1:32:49
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
8:08/mi
1:38:16
↓ 130.2%
11 ft elev
25K· 15.53 mi
7:39/mi
1:56:53
↑ 48↓ 190.2%
38 ft elev
30K· 18.64 mi
6:43/mi
2:17:44
↑ 38↓ 52
25 ft elev
35K· 21.75 mi
9:01/mi
2:45:43
↑ 39↓ 39
25 ft elev
25.2M
8:46/mi
3:15:58
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
8:28/mi
3:24:35
↑ 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
1:38:167:31 /mi⚡ faster
2nd Half
1:46:198:07 /mi+8.2%
Positive split — 8.2% 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
23:347:363.11 mi23:34
7:36
-
10K
46:557:343.10 mi23:21
7:31
-0:05
15K
1:09:487:303.11 mi22:53
7:22
-0:09
20K
1:32:497:293.11 mi23:01
7:25
+0:03
Half(13.10 mi)
1:38:167:310.67 mi5:27
8:08
+0:43
25K
1:56:537:322.43 mi18:37
7:39
-0:29
30K
2:17:447:243.11 mi20:51
6:43
-0:56
35K
2:45:437:383.11 mi27:59
9:01
+2:18
25.2M
3:15:587:473.45 mi30:15
8:46
-0:15
Finish(26.22 mi)
3:24:357:491.02 mi8:37
8:28
-0:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:43 /mi

Average Pace

7:49 /mi

Slowest Pace

9:01 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

20:51

10% of race

Time at Steady Pace

1:51:26

54% of race

Time at Slower Pace

1:12:18

35% of race

Average Pace: 7:48 /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 mi243521153241
10K3.10 mi221+2245+71193371
15K3.11 mi190+3136+91153241
20K3.11 mi187+334+21178291
Half(13.10 mi)0.67 mi187341227431
25K2.43 mi182+5341184361
30K3.11 mi181+136-21174371
35K3.11 mi18141-51233622
25.2M3.45 mi193-1245-41308892
Finish(26.22 mi)1.02 mi194-147-214191332

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×1story
+26ft-31ft

Overall

153

Females

24

F55-59

1

5K→10K

3.1 - 6.2 mi

Top 10%
×2story building
+38ft-17ft

Overall

193

Females

37

F55-59

1

10K→15K

6.2 - 9.3 mi

Top 8%
×2story building
+26ft-44ft

Overall

153

Females

24

F55-59

1

15K→20K

9.3 - 12.4 mi

Top 9%
×1story
+35ft-22ft

Overall

178

Females

29

F55-59

1

20K→Half

12.4 - 13.1 mi

Top 12%
×1human
+7ft-13ft

Overall

227

Females

43

F55-59

1

Half→25K

13.1 - 15.5 mi

Top 9%
×2story building
+48ft-19ft

Overall

184

Females

36

F55-59

1

25K→30K

15.5 - 18.6 mi

Top 9%
×2story building
+38ft-52ft

Overall

174

Females

37

F55-59

1

30K→35K

18.6 - 21.8 mi

Top 12%
×2stacked humans
+39ft-39ft

Overall

233

Females

62

F55-59

2

35K→25.2M

21.8 - 25.2 mi

Top 16%
×3story building
+57ft-58ft

Overall

308

Females

89

F55-59

2

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×1human
+17ft-12ft

Overall

419

Females

133

F55-59

2

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#243
5K → 10K
325+22
#243 → #221
10K → 15K
132+31
#221 → #190
15K → 20K
36+3
#190 → #187
20K → Half
330
#187 → #187
Half → 25K
49+5
#187 → #182
25K → 30K
67+1
#182 → #181
30K → 35K
13130
#181 → #181
35K → 25.2M
164-12
#181 → #193
25.2M → Finish
32-1
#193 → #194
TOTALS
52101+49
#243 → #194

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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