Shamrock Marathon - Half logo
SHAMROCK MARATHON HALF 2026

Kristin Morrow

Bib: 6119•F•Age: 29

Arlington, VA

0:00
0:00
/ mi
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Overall
#0 / 6406
Top 48%
Gender (Female)
#0 / 3596
Top 38%
Division (F25-29)
#0 / 658
Top 43%
Race Day Weather
55°/45°F
few clouds

⏱️ Race Timeline

Course Elevation
-8–22 ft
≈
×3story building
•▲ 147 ft climb · ▼ 134 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:44/mi
36:28
↑ 26↓ 31
10K· 6.21 mi
10:32/mi
1:09:12
↑ 38↓ 170.1%
15K· 9.32 mi
10:26/mi
1:41:38
↑ 26↓ 440.1%
20K· 12.43 mi
10:10/mi
2:13:12
↑ 35↓ 22
Finish· 13.10 mi
9:27/mi
2:19:32
↓ 130.2%

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:5436:2811:4436:28
11:44
-
10K
6.21 mi08:51:381:09:1211:0832:44
10:32
-1:12
15K
9.32 mi09:24:041:41:3810:5432:26
10:26
-0:06
20K
12.43 mi09:55:382:13:1210:4331:34
10:10
-0:16
Finish
13.10 mi10:01:582:19:3210:396:20
9:27
-0:43

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:27 /mi

Average Pace

10:39 /mi

Slowest Pace

11:44 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:20

5% of race

Time at Steady Pace

1:36:44

69% of race

Time at Slower Pace

36:28

26% of race

Average Pace: 10:39 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:18:5436:2811:4436:28
11:44
#4832
10K
6.21 mi08:51:381:09:1211:0832:44
10:32
#4116
15K
9.32 mi09:24:041:41:3810:5432:26
10:26
#3662
20K
12.43 mi09:55:382:13:1210:4331:34
10:10
#3209
Finish
13.10 mi10:01:582:19:3210:396:20
9:27
#3124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi483224584792896(Top 45%)1227(Top 34%)253(Top 39%)
10K6.21 mi3.10 mi4116+7161962+496401+783383(Top 53%)1486(Top 41%)316(Top 49%)
15K9.32 mi3.11 mi3662+4541674+288343+582896(Top 45%)1227(Top 34%)253(Top 39%)
20K12.43 mi3.11 mi3209+4531419+255290+532180(Top 34%)890(Top 25%)184(Top 28%)
Finish13.10 mi0.67 mi3124+851377+42286+42065(Top 32%)833(Top 23%)180(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×1story
+26ft-31ft

Overall

2896

Females

1227

F25-29

258

5K→10K

3.1 - 6.2 mi

Top 53%
×2story building
+38ft-17ft

Overall

3383

Females

1486

F25-29

321

10K→15K

6.2 - 9.3 mi

Top 45%
×2story building
+26ft-44ft

Overall

2896

Females

1227

F25-29

258

15K→20K

9.3 - 12.4 mi

Top 34%
×1story
+35ft-22ft

Overall

2180

Females

890

F25-29

187

20K→Finish

12.4 - 13.1 mi

Top 32%
×1human
+7ft-13ft

Overall

2065

Females

833

F25-29

183

Passing Analysis

Category:
Athletes Passed
1735*
Passed By
27
Net Change
+1708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4832
5K → 10K73014+716#4832#4116
10K → 15K462*8+454#4116#3662
15K → 20K456*3+453#3662#3209
20K → Finish87*2+85#3209#3124
TOTALS1735*27+1708

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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

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