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SHAMROCK MARATHON 2026

Thomas Arbuthnot

Bib: 3551•M•Age: 50

Charlotte, NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 15%
Gender (Male)
#0 / 1480
Top 21%
Masters (Masters Men)
#0 / 477
Top 16%
Division (M50-54)
#0 / 77
Top 23%
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
8:12/mi
25:30
↑ 26↓ 31
10K· 6.21 mi
8:02/mi
50:27
↑ 38↓ 170.1%
15K· 9.32 mi
8:01/mi
1:15:22
↑ 26↓ 440.1%
20K· 12.43 mi
8:01/mi
1:40:16
↑ 35↓ 22
Half· 13.10 mi
7:57/mi
1:45:36
↓ 130.2%
30K· 18.64 mi
7:53/mi
2:29:20
↑ 86↓ 72
35K· 21.75 mi
8:59/mi
2:57:14
↑ 39↓ 39
25.2M
9:19/mi
3:29:23
↑ 57↓ 58
Finish· 26.22 mi
9:09/mi
3:38:42
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:45:36
Pace8:04 /mi
2nd Half
Distance13.12 mi
Time1:53:06
Pace8:37 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:57:4125:308:1225:30
8:12
-
10K
6.21 mi08:22:3850:278:0724:57
8:02
-0:10
15K
9.32 mi08:47:331:15:228:0524:55
8:01
-0:01
20K
12.43 mi09:12:271:40:168:0424:54
8:01
0:00
Half
13.10 mi09:17:471:45:368:045:20
7:57
-0:04
30K
18.64 mi10:01:312:29:208:0143:44
7:53
-0:04
35K
21.75 mi10:29:252:57:148:0927:54
8:59
+1:06
25.2M
25.20 mi11:01:343:29:238:1932:09
9:19
+0:20
Finish
26.22 mi11:10:533:38:428:219:19
9:09
-0:10

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

7:53 /mi

Average Pace

8:21 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:20

68% of race

Time at Steady Pace

37:13

17% of race

Time at Slower Pace

32:09

15% of race

Average Pace: 8:20 /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 mi07:57:4125:308:1225:30
8:12
#573
10K
6.21 mi08:22:3850:278:0724:57
8:02
#556
15K
9.32 mi08:47:331:15:228:0524:55
8:01
#550
20K
12.43 mi09:12:271:40:168:0424:54
8:01
#516
Half
13.10 mi09:17:471:45:368:045:20
7:57
#505
30K
18.64 mi10:01:312:29:208:0143:44
7:53
#425
35K
21.75 mi10:29:252:57:148:0927:54
8:59
#391
25.2M
25.20 mi11:01:343:29:238:1932:09
9:19
#362
Finish
26.22 mi11:10:533:38:428:219:19
9:09
#375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi57346623521(Top 21%)432(Top 29%)22(Top 29%)
10K6.21 mi3.10 mi556+17457+922+1538(Top 22%)444(Top 30%)22(Top 29%)
15K9.32 mi3.11 mi550+6453+422521(Top 21%)432(Top 29%)22(Top 29%)
20K12.43 mi3.11 mi516+34429+2422466(Top 19%)394(Top 27%)20(Top 26%)
Half13.10 mi0.67 mi505+11422+722400(Top 16%)343(Top 23%)18(Top 24%)
30K18.64 mi5.54 mi425+80354+6818+4348(Top 14%)294(Top 20%)14(Top 18%)
35K21.75 mi3.11 mi391+34326+2818297(Top 12%)245(Top 17%)14(Top 18%)
25.2M25.20 mi3.45 mi362+29300+2618439(Top 18%)324(Top 22%)16(Top 21%)
Finish26.22 mi1.02 mi375-13307-718658(Top 27%)463(Top 31%)23(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×1story
+26ft-31ft

Overall

521

Males

432

M50-54

24

5K→10K

3.1 - 6.2 mi

Top 22%
×2story building
+38ft-17ft

Overall

538

Males

444

M50-54

24

10K→15K

6.2 - 9.3 mi

Top 21%
×2story building
+26ft-44ft

Overall

521

Males

432

M50-54

24

15K→20K

9.3 - 12.4 mi

Top 19%
×1story
+35ft-22ft

Overall

466

Males

394

M50-54

22

20K→Half

12.4 - 13.1 mi

Top 16%
×1human
+7ft-13ft

Overall

400

Males

343

M50-54

19

Half→30K

13.1 - 18.6 mi

Top 14%
×2story building
+86ft-72ft

Overall

348

Males

294

M50-54

15

30K→35K

18.6 - 21.8 mi

Top 12%
×2stacked humans
+39ft-39ft

Overall

297

Males

245

M50-54

15

35K→25.2M

21.8 - 25.2 mi

Top 18%
×3story building
+57ft-58ft

Overall

439

Males

324

M50-54

17

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×1human
+17ft-12ft

Overall

658

Males

463

M50-54

24

Passing Analysis

Category:
Athletes Passed
246*
Passed By
48
Net Change
+198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#573
5K → 10K247+17#573#556
10K → 15K148+6#556#550
15K → 20K38*4+34#550#516
20K → Half11*0+11#516#505
Half → 30K83*3+80#505#425
30K → 35K36*2+34#425#391
35K → 25.2M37*8+29#391#362
25.2M → Finish3*16-13#362#375
TOTALS246*48+198

* 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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J & A Racing

Big River Race Management

Big River Race Management