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SHAMROCK MARATHON 2026

Justin Sitlinger

Bib: 1664•M•Age: 42

Durham, NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 13%
Gender (Male)
#0 / 1480
Top 18%
Masters (Masters Men)
#0 / 477
Top 13%
Division (M40-44)
#0 / 179
Top 18%
Race Day Weather
55°/45°F
few clouds

⏱️ Race Timeline

Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:03/mi
25:00
↑ 26↓ 31
10K· 6.21 mi
7:56/mi
49:40
↑ 38↓ 170.1%
15K· 9.32 mi
8:00/mi
1:14:31
↑ 26↓ 440.1%
20K· 12.43 mi
7:57/mi
1:39:14
↑ 35↓ 22
Half· 13.10 mi
8:01/mi
1:44:37
↓ 130.2%
30K· 18.64 mi
8:01/mi
2:29:04
↑ 86↓ 72
35K· 21.75 mi
8:47/mi
2:56:22
↑ 39↓ 39
25.2M
8:23/mi
3:25:19
↑ 57↓ 58
Finish· 26.22 mi
8:28/mi
3:33:57
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:44:37
Pace7:59 /mi
2nd Half
Distance13.12 mi
Time1:49:20
Pace8:20 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:57:2725:008:0325:00
8:03
-
10K
6.21 mi08:22:0749:408:0024:40
7:56
-0:07
15K
9.32 mi08:46:581:14:318:0024:51
8:00
+0:04
20K
12.43 mi09:11:411:39:147:5924:43
7:57
-0:03
Half
13.10 mi09:17:041:44:377:595:23
8:01
+0:04
30K
18.64 mi10:01:312:29:048:0044:27
8:01
0:00
35K
21.75 mi10:28:492:56:228:0727:18
8:47
+0:46
25.2M
25.20 mi10:57:463:25:198:0928:57
8:23
-0:24
Finish
26.22 mi11:06:243:33:578:108:38
8:28
+0:05

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

7:56 /mi

Average Pace

8:10 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:39

87% of race

Time at Steady Pace

27:18

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi07:57:2725:008:0325:00
8:03
#518
10K
6.21 mi08:22:0749:408:0024:40
7:56
#502
15K
9.32 mi08:46:581:14:318:0024:51
8:00
#499
20K
12.43 mi09:11:411:39:147:5924:43
7:57
#476
Half
13.10 mi09:17:041:44:377:595:23
8:01
#469
30K
18.64 mi10:01:312:29:048:0044:27
8:01
#421
35K
21.75 mi10:28:492:56:228:0727:18
8:47
#375
25.2M
25.20 mi10:57:463:25:198:0928:57
8:23
#316
Finish
26.22 mi11:06:243:33:578:108:38
8:28
#315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi51842857495(Top 20%)410(Top 28%)57(Top 32%)
10K6.21 mi3.10 mi502+16415+1357451(Top 19%)378(Top 26%)55(Top 31%)
15K9.32 mi3.11 mi499+341557495(Top 20%)410(Top 28%)57(Top 32%)
20K12.43 mi3.11 mi476+23395+2056+1444(Top 18%)376(Top 25%)48(Top 27%)
Half13.10 mi0.67 mi469+7392+356440(Top 18%)377(Top 25%)47(Top 26%)
30K18.64 mi5.54 mi421+48351+4148+8385(Top 16%)321(Top 22%)38(Top 21%)
35K21.75 mi3.11 mi375+46315+3640+8266(Top 11%)223(Top 15%)26(Top 15%)
25.2M25.20 mi3.45 mi316+59265+5032+8217(Top 9%)180(Top 12%)20(Top 11%)
Finish26.22 mi1.02 mi315+126532414(Top 17%)306(Top 21%)30(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×1story
+26ft-31ft

Overall

495

Males

410

M40-44

63

5K→10K

3.1 - 6.2 mi

Top 19%
×2story building
+38ft-17ft

Overall

451

Males

378

M40-44

61

10K→15K

6.2 - 9.3 mi

Top 20%
×2story building
+26ft-44ft

Overall

495

Males

410

M40-44

63

15K→20K

9.3 - 12.4 mi

Top 18%
×1story
+35ft-22ft

Overall

444

Males

376

M40-44

53

20K→Half

12.4 - 13.1 mi

Top 18%
×1human
+7ft-13ft

Overall

440

Males

377

M40-44

50

Half→30K

13.1 - 18.6 mi

Top 16%
×2story building
+86ft-72ft

Overall

385

Males

321

M40-44

40

30K→35K

18.6 - 21.8 mi

Top 11%
×2stacked humans
+39ft-39ft

Overall

266

Males

223

M40-44

28

35K→25.2M

21.8 - 25.2 mi

Top 9%
×3story building
+57ft-58ft

Overall

217

Males

180

M40-44

21

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×1human
+17ft-12ft

Overall

414

Males

306

M40-44

31

Passing Analysis

Category:
Athletes Passed
241*
Passed By
38
Net Change
+203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#518
5K → 10K237+16#518#502
10K → 15K118+3#502#499
15K → 20K26*3+23#499#476
20K → Half10*3+7#476#469
Half → 30K61*13+48#469#421
30K → 35K49*3+46#421#375
35K → 25.2M59*0+59#375#316
25.2M → Finish2*1+1#316#315
TOTALS241*38+203

* 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

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management