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SHAMROCK MARATHON 2025

Colin Walker

Bib: 3332•M•Age: 25

Chester, VA

0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Division (M25-29)
#0 / 240
Race Day Weather
71°/61°F
overcast 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
13:02/mi
40:29
↑ 26↓ 31
10K· 6.21 mi
13:47/mi
1:23:16
↑ 38↓ 170.1%
15K· 9.32 mi
12:59/mi
2:03:34
↑ 26↓ 440.1%
20K· 12.43 mi
13:18/mi
2:44:51
↑ 35↓ 22
Half· 13.10 mi
14:38/mi
2:54:40
↓ 130.2%
25K· 15.53 mi
14:12/mi
3:29:15
↑ 48↓ 190.2%
30K· 18.64 mi
12:21/mi
4:07:37
↑ 38↓ 52
35K· 21.75 mi
15:46/mi
4:56:36
↑ 39↓ 39
25.2M
13:55/mi
5:44:37
↑ 57↓ 58
Finish· 26.22 mi
13:26/mi
5:58:18
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:54:40
Pace13:21 /mi
2nd Half
Distance13.12 mi
Time3:03:39
Pace14:00 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:24:4640:2913:0240:29
13:02
-
10K
6.21 mi09:07:331:23:1613:2542:47
13:47
+0:45
15K
9.32 mi09:47:512:03:3413:1640:18
12:59
-0:48
20K
12.43 mi10:29:082:44:5113:1641:17
13:18
+0:19
Half
13.10 mi10:38:572:54:4013:219:49
14:38
+1:20
25K
15.53 mi11:13:323:29:1513:2934:35
14:12
-0:26
30K
18.64 mi11:51:544:07:3713:1838:22
12:21
-1:51
35K
21.75 mi12:40:534:56:3613:3948:59
15:46
+3:25
25.2M
25.20 mi13:28:545:44:3713:4148:01
13:55
-1:51
Finish
26.22 mi13:42:355:58:1813:4113:41
13:26
-0:29

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

12:21 /mi

Average Pace

13:41 /mi

Slowest Pace

15:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:26

45% of race

Time at Steady Pace

2:19:04

39% of race

Time at Slower Pace

58:48

16% of race

Average Pace: 13:40 /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 mi08:24:4640:2913:0240:29
13:02
#1887
10K
6.21 mi09:07:331:23:1613:2542:47
13:47
#1896
15K
9.32 mi09:47:512:03:3413:1640:18
12:59
#1888
20K
12.43 mi10:29:082:44:5113:1641:17
13:18
#1873
Half
13.10 mi10:38:572:54:4013:219:49
14:38
#1864
25K
15.53 mi11:13:323:29:1513:2934:35
14:12
#1863
30K
18.64 mi11:51:544:07:3713:1838:22
12:21
#1847
35K
21.75 mi12:40:534:56:3613:3948:59
15:46
#1819
25.2M
25.20 mi13:28:545:44:3713:4148:01
13:55
#1787
Finish
26.22 mi13:42:355:58:1813:4113:41
13:26
#1786
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi188711282331829(Top 94%)1115(Top 97%)236(Top 98%)
10K6.21 mi3.10 mi1896-91134-6238-51897(Top 97%)1134(Top 98%)239(Top 100%)
15K9.32 mi3.11 mi1888+81132+22381829(Top 94%)1115(Top 97%)236(Top 98%)
20K12.43 mi3.11 mi1873+151130+22381823(Top 94%)1105(Top 96%)234(Top 98%)
Half13.10 mi0.67 mi1864+91123+72381844(Top 95%)1105(Top 96%)235(Top 98%)
25K15.53 mi2.43 mi1863+111232381772(Top 91%)1070(Top 93%)226(Top 94%)
30K18.64 mi3.11 mi1847+161118+5236+21702(Top 87%)1030(Top 89%)221(Top 92%)
35K21.75 mi3.11 mi1819+281104+14232+41601(Top 82%)966(Top 84%)208(Top 87%)
25.2M25.20 mi3.45 mi1787+321088+16229+31597(Top 82%)955(Top 83%)202(Top 84%)
Finish26.22 mi1.02 mi1786+11087+12291743(Top 89%)1042(Top 90%)219(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×1story
+26ft-31ft

Overall

1829

Males

1115

M25-29

236

5K→10K

3.1 - 6.2 mi

Top 97%
×2story building
+38ft-17ft

Overall

1897

Males

1134

M25-29

239

10K→15K

6.2 - 9.3 mi

Top 94%
×2story building
+26ft-44ft

Overall

1829

Males

1115

M25-29

236

15K→20K

9.3 - 12.4 mi

Top 94%
×1story
+35ft-22ft

Overall

1823

Males

1105

M25-29

234

20K→Half

12.4 - 13.1 mi

Top 95%
×1human
+7ft-13ft

Overall

1844

Males

1105

M25-29

235

Half→25K

13.1 - 15.5 mi

Top 91%
×2story building
+48ft-19ft

Overall

1772

Males

1070

M25-29

226

25K→30K

15.5 - 18.6 mi

Top 87%
×2story building
+38ft-52ft

Overall

1702

Males

1030

M25-29

221

30K→35K

18.6 - 21.8 mi

Top 82%
×2stacked humans
+39ft-39ft

Overall

1601

Males

966

M25-29

208

35K→25.2M

21.8 - 25.2 mi

Top 82%
×3story building
+57ft-58ft

Overall

1597

Males

955

M25-29

202

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×1human
+17ft-12ft

Overall

1743

Males

1042

M25-29

219

Passing Analysis

Category:
Athletes Passed
142
Passed By
41
Net Change
+101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1887
5K → 10K1019-9#1887#1896
10K → 15K113+8#1896#1888
15K → 20K150+15#1888#1873
20K → Half90+9#1873#1864
Half → 25K1312+1#1864#1863
25K → 30K171+16#1863#1847
30K → 35K324+28#1847#1819
35K → 25.2M320+32#1819#1787
25.2M → Finish32+1#1787#1786
TOTALS14241+101
📊

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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BQ

Boston Qualifying analysis available

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management