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SHAMROCK MARATHON 2026

Robert Rezendes

Bib: 1061•M•Age: 45

Fredericksburg, VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 30%
Gender (Male)
#0 / 1480
Top 38%
Masters (Masters Men)
#0 / 477
Top 31%
Division (M45-49)
#0 / 106
Top 25%
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
8:21/mi
25:56
↑ 26↓ 31
10K· 6.21 mi
8:22/mi
51:56
↑ 38↓ 170.1%
15K· 9.32 mi
8:47/mi
1:19:14
↑ 26↓ 440.1%
20K· 12.43 mi
8:43/mi
1:46:20
↑ 35↓ 22
Half· 13.10 mi
8:43/mi
1:52:11
↓ 130.2%
30K· 18.64 mi
9:25/mi
2:44:22
↑ 86↓ 72
35K· 21.75 mi
11:23/mi
3:19:44
↑ 39↓ 39
25.2M
10:01/mi
3:54:17
↑ 57↓ 58
Finish· 26.22 mi
8:34/mi
4:03:01
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:52:11
Pace8:34 /mi
2nd Half
Distance13.12 mi
Time2:10:50
Pace9:58 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:02:0125:568:2125:56
8:21
-
10K
6.21 mi08:28:0151:568:2126:00
8:22
+0:01
15K
9.32 mi08:55:191:19:148:3027:18
8:47
+0:25
20K
12.43 mi09:22:251:46:208:3327:06
8:43
-0:04
Half
13.10 mi09:28:161:52:118:345:51
8:43
0:00
30K
18.64 mi10:20:272:44:228:4952:11
9:25
+0:42
35K
21.75 mi10:55:493:19:449:1135:22
11:23
+1:58
25.2M
25.20 mi11:30:223:54:179:1834:33
10:01
-1:22
Finish
26.22 mi11:39:064:03:019:178:44
8:34
-1:27

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

8:21 /mi

Average Pace

9:17 /mi

Slowest Pace

11:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:00:55

50% of race

Time at Slower Pace

2:02:06

50% of race

Average Pace: 9:16 /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 mi08:02:0125:568:2125:56
8:21
#632
10K
6.21 mi08:28:0151:568:2126:00
8:22
#641
15K
9.32 mi08:55:191:19:148:3027:18
8:47
#698
20K
12.43 mi09:22:251:46:208:3327:06
8:43
#706
Half
13.10 mi09:28:161:52:118:345:51
8:43
#701
30K
18.64 mi10:20:272:44:228:4952:11
9:25
#762
35K
21.75 mi10:55:493:19:449:1135:22
11:23
#796
25.2M
25.20 mi11:30:223:54:179:1834:33
10:01
#754
Finish
26.22 mi11:39:064:03:019:178:44
8:34
#731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi63250821880(Top 36%)676(Top 46%)28(Top 27%)
10K6.21 mi3.10 mi641-9520-1221649(Top 27%)521(Top 35%)20(Top 19%)
15K9.32 mi3.11 mi698-57551-3122-1880(Top 36%)676(Top 46%)28(Top 27%)
20K12.43 mi3.11 mi706-8561-1022777(Top 32%)617(Top 42%)26(Top 25%)
Half13.10 mi0.67 mi701+5558+322725(Top 30%)575(Top 39%)26(Top 25%)
30K18.64 mi5.54 mi762-61600-4226-4962(Top 40%)710(Top 48%)34(Top 32%)
35K21.75 mi3.11 mi796-34609-929-3971(Top 40%)673(Top 45%)37(Top 35%)
25.2M25.20 mi3.45 mi754+42572+3728+1620(Top 26%)437(Top 30%)24(Top 23%)
Finish26.22 mi1.02 mi731+23556+1626+2463(Top 19%)345(Top 23%)14(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×1story
+26ft-31ft

Overall

880

Males

676

M45-49

31

5K→10K

3.1 - 6.2 mi

Top 27%
×2story building
+38ft-17ft

Overall

649

Males

521

M45-49

23

10K→15K

6.2 - 9.3 mi

Top 36%
×2story building
+26ft-44ft

Overall

880

Males

676

M45-49

31

15K→20K

9.3 - 12.4 mi

Top 32%
×1story
+35ft-22ft

Overall

777

Males

617

M45-49

29

20K→Half

12.4 - 13.1 mi

Top 30%
×1human
+7ft-13ft

Overall

725

Males

575

M45-49

28

Half→30K

13.1 - 18.6 mi

Top 40%
×2story building
+86ft-72ft

Overall

962

Males

710

M45-49

35

30K→35K

18.6 - 21.8 mi

Top 40%
×2stacked humans
+39ft-39ft

Overall

971

Males

673

M45-49

38

35K→25.2M

21.8 - 25.2 mi

Top 26%
×3story building
+57ft-58ft

Overall

620

Males

437

M45-49

25

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×1human
+17ft-12ft

Overall

463

Males

345

M45-49

15

Passing Analysis

Category:
Athletes Passed
196*
Passed By
295
Net Change
-99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#632
5K → 10K1625-9#632#641
10K → 15K461-57#641#698
15K → 20K16*24-8#698#706
20K → Half9*4+5#706#701
Half → 30K41*102-61#701#762
30K → 35K28*62-34#762#796
35K → 25.2M58*16+42#796#754
25.2M → Finish24*1+23#754#731
TOTALS196*295-99

* 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