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SHAMROCK MARATHON 2025

Tom Ziska

Bib: 909•M•Age: 48

Windermere, FL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M45-49)
Official
#0 / 89
Calculated (M45-49)
#0 / 89
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
28:52
3.11 mi
Rank: #933
Start → 5K
28:52 | 9:18/mi
10K
57:21
6.21 mi
Rank: #904 (+29)
5K → 10K
28:29 | 9:11/mi
15K
1:26:26
9.32 mi
Rank: #911 (-7)
10K → 15K
29:05 | 9:22/mi
20K
1:55:35
12.43 mi
Rank: #911
15K → 20K
29:09 | 9:23/mi
Half
2:02:14
13.10 mi
Rank: #898 (+13)
20K → Half
6:39 | 9:55/mi
25K
2:26:03
15.53 mi
Rank: #885 (+13)
Half → 25K
23:49 | 9:47/mi
30K
2:53:10
18.64 mi
Rank: #861 (+24)
25K → 30K
27:07 | 8:44/mi
35K
3:38:47
21.75 mi
Rank: #996 (-135)
30K → 35K
45:37 | 14:41/mi
25.2M
4:19:40
25.20 mi
Rank: #1018 (-22)
35K → 25.2M
40:53 | 11:51/mi
Finish
4:29:30
26.22 mi
Rank: #1012 (+6)
25.2M → Finish
9:50 | 9:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:02:14
Pace9:20 /mi
2nd Half
Distance13.12 mi
Time2:27:16
Pace11:14 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:1828:529:1828:52
9:18
-
10K
6.21 mi08:33:4757:219:1428:29
9:11
-0:07
15K
9.32 mi09:02:521:26:269:1729:05
9:22
+0:11
20K
12.43 mi09:32:011:55:359:1929:09
9:23
+0:01
Half
13.10 mi09:38:402:02:149:206:39
9:55
+0:32
25K
15.53 mi10:02:292:26:039:2523:49
9:47
-0:08
30K
18.64 mi10:29:362:53:109:1827:07
8:44
-1:03
35K
21.75 mi11:15:133:38:4710:0445:37
14:41
+5:57
25.2M
25.20 mi11:56:064:19:4010:1940:53
11:51
-2:50
Finish
26.22 mi12:05:564:29:3010:189:50
9:39
-2:12

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

8:44 /mi

Average Pace

10:17 /mi

Slowest Pace

14:41 /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

27:07

10% of race

Time at Steady Pace

2:35:53

58% of race

Time at Slower Pace

1:26:30

32% of race

Average Pace: 10:17 /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 mi08:05:1828:529:1828:52
9:18
#933
10K
6.21 mi08:33:4757:219:1428:29
9:11
#904
15K
9.32 mi09:02:521:26:269:1729:05
9:22
#911
20K
12.43 mi09:32:011:55:359:1929:09
9:23
#911
Half
13.10 mi09:38:402:02:149:206:39
9:55
#898
25K
15.53 mi10:02:292:26:039:2523:49
9:47
#885
30K
18.64 mi10:29:362:53:109:1827:07
8:44
#861
35K
21.75 mi11:15:133:38:4710:0445:37
14:41
#996
25.2M
25.20 mi11:56:064:19:4010:1940:53
11:51
#1018
Finish
26.22 mi12:05:564:29:3010:189:50
9:39
#1012
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 mi93366249926(Top 48%)659(Top 57%)51(Top 57%)
10K6.21 mi3.10 mi904+29642+2048+1874(Top 45%)615(Top 53%)46(Top 52%)
15K9.32 mi3.11 mi911-7646-450-2926(Top 48%)659(Top 57%)51(Top 57%)
20K12.43 mi3.11 mi911644+249+1909(Top 47%)643(Top 56%)49(Top 55%)
Half13.10 mi0.67 mi898+13637+749843(Top 43%)600(Top 52%)45(Top 51%)
25K15.53 mi2.43 mi885+13630+750-1854(Top 44%)606(Top 53%)49(Top 55%)
30K18.64 mi3.11 mi861+24610+2048+2840(Top 43%)578(Top 50%)49(Top 55%)
35K21.75 mi3.11 mi996-135674-6451-31449(Top 74%)883(Top 77%)69(Top 78%)
25.2M25.20 mi3.45 mi1018-22677-353-21128(Top 58%)684(Top 59%)60(Top 67%)
Finish26.22 mi1.02 mi1012+6670+752+1831(Top 43%)528(Top 46%)49(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×1
+26ft-31ft

Overall

926

Males

659

M45-49

51

5K→10K

3.1 - 6.2 mi

Top 45%
×2
+38ft-17ft

Overall

874

Males

615

M45-49

46

10K→15K

6.2 - 9.3 mi

Top 48%
×2
+26ft-44ft

Overall

926

Males

659

M45-49

51

15K→20K

9.3 - 12.4 mi

Top 47%
×1
+35ft-22ft

Overall

909

Males

643

M45-49

49

20K→Half

12.4 - 13.1 mi

Top 43%
×1
+7ft-13ft

Overall

843

Males

600

M45-49

45

Half→25K

13.1 - 15.5 mi

Top 44%
×2
+48ft-19ft

Overall

854

Males

606

M45-49

49

25K→30K

15.5 - 18.6 mi

Top 43%
×2
+38ft-52ft

Overall

840

Males

578

M45-49

49

30K→35K

18.6 - 21.8 mi

Top 74%
×2
+39ft-39ft

Overall

1449

Males

883

M45-49

69

35K→25.2M

21.8 - 25.2 mi

Top 58%
×3
+57ft-58ft

Overall

1128

Males

684

M45-49

60

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×1
+17ft-12ft

Overall

831

Males

528

M45-49

49

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
163
Passed By
242
Net Change
-79
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#933
5K → 10K4112+29#933#904
10K → 15K1017-7#904#911
15K → 20K17170#911#911
20K → Half163+13#911#898
Half → 25K218+13#898#885
25K → 30K328+24#885#861
30K → 35K6141-135#861#996
35K → 25.2M1133-22#996#1018
25.2M → Finish93+6#1018#1012
TOTALS163242-79
📊

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
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Activity Data

Upload your GPX file to see detailed activity metrics

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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.

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management