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SHAMROCK MARATHON 2026

Norris Cochran

Bib: 914•M•Age: 55

Arlington, VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 33%
Gender (Male)
#0 / 1480
Top 40%
Masters (Masters Men)
#0 / 477
Top 34%
Division (M55-59)
#0 / 60
Top 32%
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
8:27/mi
26:14
↑ 26↓ 31
10K· 6.21 mi
8:27/mi
52:28
↑ 38↓ 170.1%
15K· 9.32 mi
8:33/mi
1:19:01
↑ 26↓ 440.1%
20K· 12.43 mi
8:45/mi
1:46:13
↑ 35↓ 22
Half· 13.10 mi
8:52/mi
1:52:10
↓ 130.2%
30K· 18.64 mi
9:24/mi
2:44:14
↑ 86↓ 72
35K· 21.75 mi
11:10/mi
3:18:56
↑ 39↓ 39
25.2M
11:05/mi
3:57:10
↑ 57↓ 58
Finish· 26.22 mi
9:29/mi
4:06:50
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:52:10
Pace8:34 /mi
2nd Half
Distance13.12 mi
Time2:14:40
Pace10:16 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:00:2226:148:2726:14
8:27
-
10K
6.21 mi08:26:3652:288:2726:14
8:27
0:00
15K
9.32 mi08:53:091:19:018:2926:33
8:33
+0:06
20K
12.43 mi09:20:211:46:138:3327:12
8:45
+0:12
Half
13.10 mi09:26:181:52:108:345:57
8:52
+0:07
30K
18.64 mi10:18:222:44:148:4952:04
9:24
+0:32
35K
21.75 mi10:53:043:18:569:0934:42
11:10
+1:46
25.2M
25.20 mi11:31:183:57:109:2538:14
11:05
-0:05
Finish
26.22 mi11:40:584:06:509:259:40
9:29
-1:36

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

8:27 /mi

Average Pace

9:25 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:52:10

45% of race

Time at Slower Pace

2:14:40

55% of race

Average Pace: 9:25 /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 mi08:00:2226:148:2726:14
8:27
#675
10K
6.21 mi08:26:3652:288:2726:14
8:27
#682
15K
9.32 mi08:53:091:19:018:2926:33
8:33
#682
20K
12.43 mi09:20:211:46:138:3327:12
8:45
#700
Half
13.10 mi09:26:181:52:108:345:57
8:52
#700
30K
18.64 mi10:18:222:44:148:4952:04
9:24
#755
35K
21.75 mi10:53:043:18:569:0934:42
11:10
#780
25.2M
25.20 mi11:31:183:57:109:2538:14
11:05
#804
Finish
26.22 mi11:40:584:06:509:259:40
9:29
#799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi67554022722(Top 30%)574(Top 39%)21(Top 35%)
10K6.21 mi3.10 mi682-7543-320+2687(Top 28%)549(Top 37%)20(Top 33%)
15K9.32 mi3.11 mi682542+119+1722(Top 30%)574(Top 39%)21(Top 35%)
20K12.43 mi3.11 mi700-18556-1421-2791(Top 33%)624(Top 42%)24(Top 40%)
Half13.10 mi0.67 mi700557-122-1808(Top 33%)632(Top 43%)22(Top 37%)
30K18.64 mi5.54 mi755-55597-4022954(Top 39%)704(Top 48%)22(Top 37%)
35K21.75 mi3.11 mi780-25601-422902(Top 37%)629(Top 43%)22(Top 37%)
25.2M25.20 mi3.45 mi804-24595+620+2932(Top 38%)615(Top 42%)22(Top 37%)
Finish26.22 mi1.02 mi799+5590+519+1763(Top 31%)527(Top 36%)16(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×1story
+26ft-31ft

Overall

722

Males

574

M55-59

21

5K→10K

3.1 - 6.2 mi

Top 28%
×2story building
+38ft-17ft

Overall

687

Males

549

M55-59

20

10K→15K

6.2 - 9.3 mi

Top 30%
×2story building
+26ft-44ft

Overall

722

Males

574

M55-59

21

15K→20K

9.3 - 12.4 mi

Top 33%
×1story
+35ft-22ft

Overall

791

Males

624

M55-59

24

20K→Half

12.4 - 13.1 mi

Top 33%
×1human
+7ft-13ft

Overall

808

Males

632

M55-59

22

Half→30K

13.1 - 18.6 mi

Top 39%
×2story building
+86ft-72ft

Overall

954

Males

704

M55-59

22

30K→35K

18.6 - 21.8 mi

Top 37%
×2stacked humans
+39ft-39ft

Overall

902

Males

629

M55-59

22

35K→25.2M

21.8 - 25.2 mi

Top 38%
×3story building
+57ft-58ft

Overall

932

Males

615

M55-59

22

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×1human
+17ft-12ft

Overall

763

Males

527

M55-59

16

Passing Analysis

Category:
Athletes Passed
165*
Passed By
289
Net Change
-124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#675
5K → 10K1522-7#675#682
10K → 15K17170#682#682
15K → 20K11*29-18#682#700
20K → Half9*90#700#700
Half → 30K43*98-55#700#755
30K → 35K28*53-25#755#780
35K → 25.2M31*55-24#780#804
25.2M → Finish11*6+5#804#799
TOTALS165*289-124

* 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