Shamrock Marathon logo
SHAMROCK MARATHON 2026

Giacomo Castiglioni

Bib: 279•M•Age: 46

Virginia Beach

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 2429
Top 19%
Gender (Male)
#0 / 1480
Top 25%
Masters (Masters Men)
#0 / 477
Top 20%
Division (M45-49)
#0 / 106
Top 13%
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
7:17/mi
22:37
↑ 26↓ 31
10K· 6.21 mi
7:16/mi
45:13
↑ 38↓ 170.1%
15K· 9.32 mi
7:26/mi
1:08:18
↑ 26↓ 440.1%
20K· 12.43 mi
7:56/mi
1:32:58
↑ 35↓ 22
Half· 13.10 mi
8:27/mi
1:38:38
↓ 130.2%
30K· 18.64 mi
9:28/mi
2:31:06
↑ 86↓ 72
35K· 21.75 mi
10:33/mi
3:03:52
↑ 39↓ 39
25.2M
9:42/mi
3:37:22
↑ 57↓ 58
Finish· 26.22 mi
8:50/mi
3:46:22
↑ 17↓ 12

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:38:38
Pace7:32 /mi
2nd Half
Distance13.12 mi
Time2:07:44
Pace9:44 /mi
📊Positive Split: 29.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:52:5122:377:1722:37
7:17
-
10K
6.21 mi08:15:2745:137:1722:36
7:16
-0:01
15K
9.32 mi08:38:321:08:187:2023:05
7:26
+0:10
20K
12.43 mi09:03:121:32:587:2924:40
7:56
+0:30
Half
13.10 mi09:08:521:38:387:325:40
8:27
+0:31
30K
18.64 mi10:01:202:31:068:0652:28
9:28
+1:01
35K
21.75 mi10:34:063:03:528:2732:46
10:33
+1:05
25.2M
25.20 mi11:07:363:37:228:3833:30
9:42
-0:51
Finish
26.22 mi11:16:363:46:228:389:00
8:50
-0:52

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

7:16 /mi

Average Pace

8:38 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:18

30% of race

Time at Steady Pace

39:20

17% of race

Time at Slower Pace

1:58:44

52% of race

Average Pace: 8:38 /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 mi07:52:5122:377:1722:37
7:17
#234
10K
6.21 mi08:15:2745:137:1722:36
7:16
#227
15K
9.32 mi08:38:321:08:187:2023:05
7:26
#244
20K
12.43 mi09:03:121:32:587:2924:40
7:56
#270
Half
13.10 mi09:08:521:38:387:325:40
8:27
#281
30K
18.64 mi10:01:202:31:068:0652:28
9:28
#466
35K
21.75 mi10:34:063:03:528:2732:46
10:33
#471
25.2M
25.20 mi11:07:363:37:228:3833:30
9:42
#464
Finish
26.22 mi11:16:363:46:228:389:00
8:50
#461
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2342174260(Top 11%)237(Top 16%)7(Top 7%)
10K6.21 mi3.10 mi227+7212+53+1223(Top 9%)207(Top 14%)3(Top 3%)
15K9.32 mi3.11 mi244-17225-135-2260(Top 11%)237(Top 16%)7(Top 7%)
20K12.43 mi3.11 mi270-26243-186-1423(Top 17%)361(Top 24%)12(Top 11%)
Half13.10 mi0.67 mi281-11252-97-1588(Top 24%)478(Top 32%)15(Top 14%)
30K18.64 mi5.54 mi466-185385-13312-5983(Top 40%)721(Top 49%)37(Top 35%)
35K21.75 mi3.11 mi471-5382+314-2725(Top 30%)523(Top 35%)28(Top 27%)
25.2M25.20 mi3.45 mi464+7372+1014533(Top 22%)383(Top 26%)21(Top 20%)
Finish26.22 mi1.02 mi461+3370+214550(Top 23%)397(Top 27%)18(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×1story
+26ft-31ft

Overall

260

Males

237

M45-49

9

5K→10K

3.1 - 6.2 mi

Top 9%
×2story building
+38ft-17ft

Overall

223

Males

207

M45-49

4

10K→15K

6.2 - 9.3 mi

Top 11%
×2story building
+26ft-44ft

Overall

260

Males

237

M45-49

9

15K→20K

9.3 - 12.4 mi

Top 17%
×1story
+35ft-22ft

Overall

423

Males

361

M45-49

14

20K→Half

12.4 - 13.1 mi

Top 24%
×1human
+7ft-13ft

Overall

588

Males

478

M45-49

17

Half→30K

13.1 - 18.6 mi

Top 40%
×2story building
+86ft-72ft

Overall

983

Males

721

M45-49

38

30K→35K

18.6 - 21.8 mi

Top 30%
×2stacked humans
+39ft-39ft

Overall

725

Males

523

M45-49

29

35K→25.2M

21.8 - 25.2 mi

Top 22%
×3story building
+57ft-58ft

Overall

533

Males

383

M45-49

22

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×1human
+17ft-12ft

Overall

550

Males

397

M45-49

19

Passing Analysis

Category:
Athletes Passed
85*
Passed By
312
Net Change
-227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#234
5K → 10K125+7#234#227
10K → 15K320-17#227#244
15K → 20K2*28-26#244#270
20K → Half2*13-11#270#281
Half → 30K6*191-185#281#466
30K → 35K27*32-5#466#471
35K → 25.2M25*18+7#471#464
25.2M → Finish8*5+3#464#461
TOTALS85*312-227

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...
🏆 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

Upload your GPX file

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

.gpx files up to 10MB

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
Share Feedback

Public Race Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management