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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Giacomo Castiglioni

Bib: 46 •M •Age: 45

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 15%
Gender (Male)
#0 / 1153
Top 19%
Masters (Masters Men)
#0 / 398
Top 17%
Age Group (M45-49)
Official
#0 / 89
Calculated (M45-49)
#0 / 89
Top 19%
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
23:29
3.11 mi
Rank: #233
Start → 5K
23:29 | 7:34/mi
10K
47:11
6.21 mi
Rank: #235 (-2)
5K → 10K
23:42 | 7:38/mi
15K
1:10:53
9.32 mi
Rank: #234 (+1)
10K → 15K
23:42 | 7:38/mi
20K
1:34:43
12.43 mi
Rank: #241 (-7)
15K → 20K
23:50 | 7:41/mi
Half
1:40:12
13.10 mi
Rank: #240 (+1)
20K → Half
5:29 | 8:11/mi
25K
2:00:03
15.53 mi
Rank: #241 (-1)
Half → 25K
19:51 | 8:09/mi
30K
2:24:19
18.64 mi
Rank: #275 (-34)
25K → 30K
24:16 | 7:49/mi
35K
2:54:54
21.75 mi
Rank: #293 (-18)
30K → 35K
30:35 | 9:51/mi
25.2M
3:26:24
25.20 mi
Rank: #301 (-8)
35K → 25.2M
31:30 | 9:08/mi
Finish
3:34:39
26.22 mi
Rank: #297 (+4)
25.2M → Finish
8:15 | 8:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.12 mi
Time1:54:28
Pace8:44 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:53:5323:297:3423:29
7:34
-
10K
6.21 mi08:17:3547:117:3623:42
7:38
+0:04
15K
9.32 mi08:41:171:10:537:3723:42
7:38
0:00
20K
12.43 mi09:05:071:34:437:3823:50
7:41
+0:03
Half
13.10 mi09:10:361:40:127:395:29
8:11
+0:30
25K
15.53 mi09:30:272:00:037:4419:51
8:09
-0:02
30K
18.64 mi09:54:432:24:197:4524:16
7:49
-0:20
35K
21.75 mi10:25:182:54:548:0330:35
9:51
+2:02
25.2M
25.20 mi10:56:483:26:248:1231:30
9:08
-0:43
Finish
26.22 mi11:05:033:34:398:128:15
8:06
-1:02

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

7:34 /mi

Average Pace

8:12 /mi

Slowest Pace

9:51 /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

1:34:43

44% of race

Time at Steady Pace

57:51

27% of race

Time at Slower Pace

1:02:05

29% of race

Average Pace: 8:11 /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 mi07:53:5323:297:3423:29
7:34
#233
10K
6.21 mi08:17:3547:117:3623:42
7:38
#235
15K
9.32 mi08:41:171:10:537:3723:42
7:38
#234
20K
12.43 mi09:05:071:34:437:3823:50
7:41
#241
Half
13.10 mi09:10:361:40:127:395:29
8:11
#240
25K
15.53 mi09:30:272:00:037:4419:51
8:09
#241
30K
18.64 mi09:54:432:24:197:4524:16
7:49
#275
35K
21.75 mi10:25:182:54:548:0330:35
9:51
#293
25.2M
25.20 mi10:56:483:26:248:1231:30
9:08
#301
Finish
26.22 mi11:05:033:34:398:128:15
8:06
#297
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23318618234(Top 12%)186(Top 16%)16(Top 18%)
10K6.21 mi3.10 mi235-2185+116+2235(Top 12%)186(Top 16%)16(Top 18%)
15K9.32 mi3.11 mi234+118516234(Top 12%)186(Top 16%)16(Top 18%)
20K12.43 mi3.11 mi241-7193-816243(Top 12%)192(Top 17%)17(Top 19%)
Half13.10 mi0.67 mi240+1192+116235(Top 12%)190(Top 16%)16(Top 18%)
25K15.53 mi2.43 mi241-119216310(Top 16%)240(Top 21%)18(Top 20%)
30K18.64 mi3.11 mi275-34215-2318-2495(Top 25%)362(Top 31%)30(Top 34%)
35K21.75 mi3.11 mi293-18227-1218389(Top 20%)276(Top 24%)23(Top 26%)
25.2M25.20 mi3.45 mi301-822717+1397(Top 20%)273(Top 24%)24(Top 27%)
Finish26.22 mi1.02 mi297+4223+417310(Top 16%)221(Top 19%)22(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×1
+26ft-31ft

Overall

234

Males

186

M45-49

16

5K→10K

3.1 - 6.2 mi

Top 12%
×2
+38ft-17ft

Overall

235

Males

186

M45-49

16

10K→15K

6.2 - 9.3 mi

Top 12%
×2
+26ft-44ft

Overall

234

Males

186

M45-49

16

15K→20K

9.3 - 12.4 mi

Top 12%
×1
+35ft-22ft

Overall

243

Males

192

M45-49

17

20K→Half

12.4 - 13.1 mi

Top 12%
×1
+7ft-13ft

Overall

235

Males

190

M45-49

16

Half→25K

13.1 - 15.5 mi

Top 16%
×2
+48ft-19ft

Overall

310

Males

240

M45-49

18

25K→30K

15.5 - 18.6 mi

Top 25%
×2
+38ft-52ft

Overall

495

Males

362

M45-49

30

30K→35K

18.6 - 21.8 mi

Top 20%
×2
+39ft-39ft

Overall

389

Males

276

M45-49

23

35K→25.2M

21.8 - 25.2 mi

Top 20%
×3
+57ft-58ft

Overall

397

Males

273

M45-49

24

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×1
+17ft-12ft

Overall

310

Males

221

M45-49

22

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
46
Passed By
110
Net Change
-64
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#233
5K → 10K79-2#233#235
10K → 15K21+1#235#234
15K → 20K310-7#234#241
20K → Half21+1#241#240
Half → 25K56-1#240#241
25K → 30K236-34#241#275
30K → 35K927-18#275#293
35K → 25.2M1220-8#293#301
25.2M → Finish40+4#301#297
TOTALS46110-64
📊

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

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
Loading certificate...

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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