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SHAMROCK MARATHON 2026

Justin Grund

Lake Grove, NY

Bib: 2551 M 20

0:00
0:00
/ mi
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Overall
#0 / 2429
Top 32%
Gender (Male)
#0 / 1480
Top 39%
Division (M20-24)
#0 / 202
Top 44%
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
8:09/mi
25:19
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
7:59/mi
50:06
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
8:42/mi
1:17:08
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
9:10/mi
1:45:38
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
8:18/mi
1:51:12
↓ 130.2%
11 ft elev
30K· 18.64 mi
9:42/mi
2:44:56
↑ 86↓ 72
25 ft elev
35K· 21.75 mi
12:20/mi
3:23:14
↑ 39↓ 39
25 ft elev
25.2M
10:03/mi
3:57:56
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
7:45/mi
4:05:50
↑ 17↓ 12
28 ft elev
Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:51:12
Pace8:29 /mi
2nd Half
Distance13.12 mi
Time2:14:38
Pace10:16 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:01:2325:198:0925:19
8:09
-
10K
6.21 mi08:26:1050:068:0424:47
7:59
-0:10
15K
9.32 mi08:53:121:17:088:1727:02
8:42
+0:43
20K
12.43 mi09:21:421:45:388:3028:30
9:10
+0:28
Half
13.10 mi09:27:161:51:128:295:34
8:18
-0:52
30K
18.64 mi10:21:002:44:568:5153:44
9:42
+1:24
35K
21.75 mi10:59:183:23:149:2138:18
12:20
+2:38
25.2M
25.20 mi11:34:003:57:569:2734:42
10:03
-2:17
Finish
26.22 mi11:41:544:05:509:237:54
7:45
-2:18

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

7:45 /mi

Average Pace

9:23 /mi

Slowest Pace

12:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:41

13% of race

Time at Steady Pace

1:26:25

35% of race

Time at Slower Pace

2:06:44

52% of race

Average Pace: 9:23 /mi

Loading chart...
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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
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 mi08:01:2325:198:0925:19
8:09
#555
10K
6.21 mi08:26:1050:068:0424:47
7:59
#530
15K
9.32 mi08:53:121:17:088:1727:02
8:42
#604
20K
12.43 mi09:21:421:45:388:3028:30
9:10
#677
Half
13.10 mi09:27:161:51:128:295:34
8:18
#659
30K
18.64 mi10:21:002:44:568:5153:44
9:42
#785
35K
21.75 mi10:59:183:23:149:2138:18
12:20
#888
25.2M
25.20 mi11:34:003:57:569:2734:42
10:03
#817
Finish
26.22 mi11:41:544:05:509:237:54
7:45
#783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi55545364810631103
10K6.21 mi3.10 mi530+25436+1760+450741956
15K9.32 mi3.11 mi604-74494-5873-13810631103
20K12.43 mi3.11 mi677-73540-4681-81076799125
Half13.10 mi0.67 mi659+18529+118154544975
30K18.64 mi5.54 mi785-126617-8894-131088777122
35K21.75 mi3.11 mi888-103661-44101-71239816119
25.2M25.20 mi3.45 mi817+71603+5893+863844767
Finish26.22 mi1.02 mi783+34580+2389+421517232

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×1story
+26ft-31ft

Overall

810

Males

631

M20-24

106

5K→10K

3.1 - 6.2 mi

Top 21%
×2story building
+38ft-17ft

Overall

507

Males

419

M20-24

58

10K→15K

6.2 - 9.3 mi

Top 33%
×2story building
+26ft-44ft

Overall

810

Males

631

M20-24

106

15K→20K

9.3 - 12.4 mi

Top 44%
×1story
+35ft-22ft

Overall

1076

Males

799

M20-24

128

20K→Half

12.4 - 13.1 mi

Top 22%
×1human
+7ft-13ft

Overall

545

Males

449

M20-24

77

Half→30K

13.1 - 18.6 mi

Top 45%
×2story building
+86ft-72ft

Overall

1088

Males

777

M20-24

125

30K→35K

18.6 - 21.8 mi

Top 51%
×2stacked humans
+39ft-39ft

Overall

1239

Males

816

M20-24

122

35K→25.2M

21.8 - 25.2 mi

Top 26%
×3story building
+57ft-58ft

Overall

638

Males

447

M20-24

69

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×1human
+17ft-12ft

Overall

215

Males

172

M20-24

34

Passing Analysis

Category:
Athletes Passed
217*
Passed By
445
Net Change
-228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#555
5K → 10K294+25#555#530
10K → 15K478-74#530#604
15K → 20K3*76-73#604#677
20K → Half18*0+18#677#659
Half → 30K24*150-126#659#785
30K → 35K21*124-103#785#888
35K → 25.2M84*13+71#888#817
25.2M → Finish34*0+34#817#783
TOTALS217*445-228

* 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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Public Race Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management