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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Nicholas Tibbetts

Bib: 2858 •M •Age: 27

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M25-29)
#0 / 240
Race Day Weather
71°/61°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
39:12
3.11 mi
Rank: #1852
Start → 5K
39:12 | 12:38/mi
10K
1:17:36
6.21 mi
Rank: #1821 (+31)
5K → 10K
38:24 | 12:22/mi
15K
1:55:28
9.32 mi
Rank: #1793 (+28)
10K → 15K
37:52 | 12:12/mi
20K
2:40:08
12.43 mi
Rank: #1839 (-46)
15K → 20K
44:40 | 14:23/mi
Half
2:49:17
13.10 mi
Rank: #1827 (+12)
20K → Half
9:09 | 13:39/mi
25K
3:22:52
15.53 mi
Rank: #1826 (+1)
Half → 25K
33:35 | 13:48/mi
30K
4:05:44
18.64 mi
Rank: #1835 (-9)
25K → 30K
42:52 | 13:48/mi
35K
5:02:06
21.75 mi
Rank: #1847 (-12)
30K → 35K
56:22 | 18:09/mi
25.2M
5:53:07
25.20 mi
Rank: #1833 (+14)
35K → 25.2M
51:01 | 14:47/mi
Finish
6:07:16
26.22 mi
Rank: #1838 (-5)
25.2M → Finish
14:09 | 13:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:49:17
Pace12:56 /mi
2nd Half
Distance13.12 mi
Time3:18:00
Pace15:06 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:3339:1212:3839:12
12:38
-
10K
6.21 mi09:05:571:17:3612:3038:24
12:22
-0:16
15K
9.32 mi09:43:491:55:2812:2437:52
12:12
-0:10
20K
12.43 mi10:28:292:40:0812:5444:40
14:23
+2:11
Half
13.10 mi10:37:382:49:1712:569:09
13:39
-0:44
25K
15.53 mi11:11:133:22:5213:0433:35
13:48
+0:09
30K
18.64 mi11:54:054:05:4413:1142:52
13:48
0:00
35K
21.75 mi12:50:275:02:0613:5456:22
18:09
+4:21
25.2M
25.20 mi13:41:285:53:0714:0151:01
14:47
-3:22
Finish
26.22 mi13:55:376:07:1614:0214:09
13:54
-0:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

12:12 /mi

Average Pace

14:01 /mi

Slowest Pace

18:09 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:55:28

31% of race

Time at Steady Pace

2:24:25

39% of race

Time at Slower Pace

1:47:23

29% of race

Average Pace: 14:00 /mi

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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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:27:3339:1212:3839:12
12:38
#1852
10K
6.21 mi09:05:571:17:3612:3038:24
12:22
#1821
15K
9.32 mi09:43:491:55:2812:2437:52
12:12
#1793
20K
12.43 mi10:28:292:40:0812:5444:40
14:23
#1839
Half
13.10 mi10:37:382:49:1712:569:09
13:39
#1827
25K
15.53 mi11:11:133:22:5213:0433:35
13:48
#1826
30K
18.64 mi11:54:054:05:4413:1142:52
13:48
#1835
35K
21.75 mi12:50:275:02:0613:5456:22
18:09
#1847
25.2M
25.20 mi13:41:285:53:0714:0151:01
14:47
#1833
Finish
26.22 mi13:55:376:07:1614:0214:09
13:54
#1838
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi185211162291741(Top 89%)1076(Top 93%)228(Top 95%)
10K6.21 mi3.10 mi1821+311109+72291779(Top 91%)1095(Top 95%)230(Top 96%)
15K9.32 mi3.11 mi1793+281099+10228+11741(Top 89%)1076(Top 93%)228(Top 95%)
20K12.43 mi3.11 mi1839-461120-21236-81896(Top 97%)1129(Top 98%)239(Top 100%)
Half13.10 mi0.67 mi1827+121110+10235+11760(Top 90%)1074(Top 93%)224(Top 93%)
25K15.53 mi2.43 mi1826+11111-1233+21726(Top 89%)1048(Top 91%)223(Top 93%)
30K18.64 mi3.11 mi1835-91114-3234-11858(Top 95%)1108(Top 96%)231(Top 96%)
35K21.75 mi3.11 mi1847-121115-1233+11838(Top 94%)1090(Top 95%)229(Top 95%)
25.2M25.20 mi3.45 mi1833+141109+62331721(Top 88%)1034(Top 90%)214(Top 89%)
Finish26.22 mi1.02 mi1838-51108+12331782(Top 91%)1059(Top 92%)222(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×1
+26ft-31ft

Overall

1741

Males

1076

M25-29

228

5K→10K

3.1 - 6.2 mi

Top 91%
×2
+38ft-17ft

Overall

1779

Males

1095

M25-29

230

10K→15K

6.2 - 9.3 mi

Top 89%
×2
+26ft-44ft

Overall

1741

Males

1076

M25-29

228

15K→20K

9.3 - 12.4 mi

Top 97%
×1
+35ft-22ft

Overall

1896

Males

1129

M25-29

239

20K→Half

12.4 - 13.1 mi

Top 90%
×1
+7ft-13ft

Overall

1760

Males

1074

M25-29

224

Half→25K

13.1 - 15.5 mi

Top 89%
×2
+48ft-19ft

Overall

1726

Males

1048

M25-29

223

25K→30K

15.5 - 18.6 mi

Top 95%
×2
+38ft-52ft

Overall

1858

Males

1108

M25-29

231

30K→35K

18.6 - 21.8 mi

Top 94%
×2
+39ft-39ft

Overall

1838

Males

1090

M25-29

229

35K→25.2M

21.8 - 25.2 mi

Top 88%
×3
+57ft-58ft

Overall

1721

Males

1034

M25-29

214

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×1
+17ft-12ft

Overall

1782

Males

1059

M25-29

222

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
132
Passed By
118
Net Change
+14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1852
5K → 10K4514+31#1852#1821
10K → 15K291+28#1821#1793
15K → 20K147-46#1793#1839
20K → Half142+12#1839#1827
Half → 25K1211+1#1827#1826
25K → 30K312-9#1826#1835
30K → 35K820-12#1835#1847
35K → 25.2M184+14#1847#1833
25.2M → Finish27-5#1833#1838
TOTALS132118+14
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

BQ

Boston Qualifying analysis available

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
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Your certificate is generated on-demand and can be shared on social media or saved for your records

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
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