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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Antonia Cerino

Bib: 1965 •M •Age: 44

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M40-44)
Official
#0 / 120
Calculated (M40-44)
#0 / 120
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
35:20
3.11 mi
Rank: #1661
Start → 5K
35:20 | 11:23/mi
10K
1:11:49
6.21 mi
Rank: #1682 (-21)
5K → 10K
36:29 | 11:45/mi
15K
1:50:51
9.32 mi
Rank: #1724 (-42)
10K → 15K
39:02 | 12:34/mi
20K
2:29:17
12.43 mi
Rank: #1727 (-3)
15K → 20K
38:26 | 12:23/mi
Half
2:37:37
13.10 mi
Rank: #1710 (+17)
20K → Half
8:20 | 12:26/mi
25K
3:11:21
15.53 mi
Rank: #1723 (-13)
Half → 25K
33:44 | 13:51/mi
30K
3:46:59
18.64 mi
Rank: #1706 (+17)
25K → 30K
35:38 | 11:29/mi
35K
4:36:52
21.75 mi
Rank: #1690 (+16)
30K → 35K
49:53 | 16:04/mi
25.2M
5:24:47
25.20 mi
Rank: #1676 (+14)
35K → 25.2M
47:55 | 13:53/mi
Finish
5:37:12
26.22 mi
Rank: #1673 (+3)
25.2M → Finish
12:25 | 12:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:37:37
Pace12:02 /mi
2nd Half
Distance13.12 mi
Time2:59:35
Pace13:42 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:20:0035:2011:2335:20
11:23
-
10K
6.21 mi08:56:291:11:4911:3436:29
11:45
+0:22
15K
9.32 mi09:35:311:50:5111:5439:02
12:34
+0:49
20K
12.43 mi10:13:572:29:1712:0138:26
12:23
-0:11
Half
13.10 mi10:22:172:37:3712:028:20
12:26
+0:03
25K
15.53 mi10:56:013:11:2112:2033:44
13:51
+1:25
30K
18.64 mi11:31:393:46:5912:1135:38
11:29
-2:22
35K
21.75 mi12:21:324:36:5212:4449:53
16:04
+4:35
25.2M
25.20 mi13:09:275:24:4712:5447:55
13:53
-2:11
Finish
26.22 mi13:21:525:37:1212:5312:25
12:12
-1:41

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

11:23 /mi

Average Pace

12:52 /mi

Slowest Pace

16:04 /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

1:47:27

32% of race

Time at Steady Pace

1:38:13

29% of race

Time at Slower Pace

2:11:32

39% of race

Average Pace: 12:52 /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 mi08:20:0035:2011:2335:20
11:23
#1661
10K
6.21 mi08:56:291:11:4911:3436:29
11:45
#1682
15K
9.32 mi09:35:311:50:5111:5439:02
12:34
#1724
20K
12.43 mi10:13:572:29:1712:0138:26
12:23
#1727
Half
13.10 mi10:22:172:37:3712:028:20
12:26
#1710
25K
15.53 mi10:56:013:11:2112:2033:44
13:51
#1723
30K
18.64 mi11:31:393:46:5912:1135:38
11:29
#1706
35K
21.75 mi12:21:324:36:5212:4449:53
16:04
#1690
25.2M
25.20 mi13:09:275:24:4712:5447:55
13:53
#1676
Finish
26.22 mi13:21:525:37:1212:5312:25
12:12
#1673
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi166110351061782(Top 91%)1098(Top 95%)111(Top 93%)
10K6.21 mi3.10 mi1682-211056-21108-21678(Top 86%)1054(Top 91%)107(Top 89%)
15K9.32 mi3.11 mi1724-421074-18111-31782(Top 91%)1098(Top 95%)111(Top 93%)
20K12.43 mi3.11 mi1727-31068+6110+11717(Top 88%)1056(Top 92%)110(Top 92%)
Half13.10 mi0.67 mi1710+171060+8109+11590(Top 82%)998(Top 87%)103(Top 86%)
25K15.53 mi2.43 mi1723-131066-61091739(Top 89%)1055(Top 92%)107(Top 89%)
30K18.64 mi3.11 mi1706+171056+101091578(Top 81%)965(Top 84%)101(Top 84%)
35K21.75 mi3.11 mi1690+161043+13108+11643(Top 84%)991(Top 86%)104(Top 87%)
25.2M25.20 mi3.45 mi1676+141033+10107+11592(Top 82%)952(Top 83%)97(Top 81%)
Finish26.22 mi1.02 mi1673+31030+31071553(Top 80%)928(Top 80%)94(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×1
+26ft-31ft

Overall

1782

Males

1098

M40-44

111

5K→10K

3.1 - 6.2 mi

Top 86%
×2
+38ft-17ft

Overall

1678

Males

1054

M40-44

107

10K→15K

6.2 - 9.3 mi

Top 91%
×2
+26ft-44ft

Overall

1782

Males

1098

M40-44

111

15K→20K

9.3 - 12.4 mi

Top 88%
×1
+35ft-22ft

Overall

1717

Males

1056

M40-44

110

20K→Half

12.4 - 13.1 mi

Top 82%
×1
+7ft-13ft

Overall

1590

Males

998

M40-44

103

Half→25K

13.1 - 15.5 mi

Top 89%
×2
+48ft-19ft

Overall

1739

Males

1055

M40-44

107

25K→30K

15.5 - 18.6 mi

Top 81%
×2
+38ft-52ft

Overall

1578

Males

965

M40-44

101

30K→35K

18.6 - 21.8 mi

Top 84%
×2
+39ft-39ft

Overall

1643

Males

991

M40-44

104

35K→25.2M

21.8 - 25.2 mi

Top 82%
×3
+57ft-58ft

Overall

1592

Males

952

M40-44

97

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×1
+17ft-12ft

Overall

1553

Males

928

M40-44

94

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
137
Passed By
149
Net Change
-12
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1661
5K → 10K2142-21#1661#1682
10K → 15K648-42#1682#1724
15K → 20K1316-3#1724#1727
20K → Half170+17#1727#1710
Half → 25K922-13#1710#1723
25K → 30K192+17#1723#1706
30K → 35K248+16#1706#1690
35K → 25.2M228+14#1690#1676
25.2M → Finish63+3#1676#1673
TOTALS137149-12
📊

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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