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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Bryce Kiser

Bib: 312 •M •Age: 38

Hampton, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 50%
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
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
30:46
3.11 mi
Rank: #1163
Start → 5K
30:46 | 9:55/mi
10K
1:00:15
6.21 mi
Rank: #1054 (+109)
5K → 10K
29:29 | 9:30/mi
15K
1:28:45
9.32 mi
Rank: #995 (+59)
10K → 15K
28:30 | 9:11/mi
20K
1:56:57
12.43 mi
Rank: #945 (+50)
15K → 20K
28:12 | 9:05/mi
Half
2:03:30
13.10 mi
Rank: #935 (+10)
20K → Half
6:33 | 9:46/mi
25K
2:26:48
15.53 mi
Rank: #908 (+27)
Half → 25K
23:18 | 9:34/mi
30K
2:54:28
18.64 mi
Rank: #884 (+24)
25K → 30K
27:40 | 8:55/mi
35K
3:34:20
21.75 mi
Rank: #920 (-36)
30K → 35K
39:52 | 12:50/mi
25.2M
4:15:15
25.20 mi
Rank: #946 (-26)
35K → 25.2M
40:55 | 11:52/mi
Finish
4:26:26
26.22 mi
Rank: #965 (-19)
25.2M → Finish
11:11 | 10:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:03:30
Pace9:26 /mi
2nd Half
Distance13.12 mi
Time2:22:56
Pace10:54 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:15:0730:469:5530:46
9:55
-
10K
6.21 mi08:44:361:00:159:4229:29
9:30
-0:25
15K
9.32 mi09:13:061:28:459:3228:30
9:11
-0:19
20K
12.43 mi09:41:181:56:579:2528:12
9:05
-0:06
Half
13.10 mi09:47:512:03:309:266:33
9:46
+0:41
25K
15.53 mi10:11:092:26:489:2823:18
9:34
-0:12
30K
18.64 mi10:38:492:54:289:2227:40
8:55
-0:39
35K
21.75 mi11:18:413:34:209:5239:52
12:50
+3:55
25.2M
25.20 mi11:59:364:15:1510:0840:55
11:52
-0:58
Finish
26.22 mi12:10:474:26:2610:1111:11
10:59
-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

8:55 /mi

Average Pace

10:10 /mi

Slowest Pace

12:50 /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

55:52

21% of race

Time at Steady Pace

1:58:36

45% of race

Time at Slower Pace

1:31:58

35% of race

Average Pace: 10:10 /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 mi08:15:0730:469:5530:46
9:55
#1163
10K
6.21 mi08:44:361:00:159:4229:29
9:30
#1054
15K
9.32 mi09:13:061:28:459:3228:30
9:11
#995
20K
12.43 mi09:41:181:56:579:2528:12
9:05
#945
Half
13.10 mi09:47:512:03:309:266:33
9:46
#935
25K
15.53 mi10:11:092:26:489:2823:18
9:34
#908
30K
18.64 mi10:38:492:54:289:2227:40
8:55
#884
35K
21.75 mi11:18:413:34:209:5239:52
12:50
#920
25.2M
25.20 mi11:59:364:15:1510:0840:55
11:52
#946
Finish
26.22 mi12:10:474:26:2610:1111:11
10:59
#965
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi1163785124860(Top 44%)613(Top 53%)98(Top 55%)
10K6.21 mi3.10 mi1054+109727+58114+10988(Top 51%)691(Top 60%)107(Top 60%)
15K9.32 mi3.11 mi995+59694+33109+5860(Top 44%)613(Top 53%)98(Top 55%)
20K12.43 mi3.11 mi945+50664+30102+7805(Top 41%)579(Top 50%)89(Top 50%)
Half13.10 mi0.67 mi935+10657+7100+2800(Top 41%)575(Top 50%)90(Top 51%)
25K15.53 mi2.43 mi908+27642+1597+3792(Top 41%)564(Top 49%)88(Top 49%)
30K18.64 mi3.11 mi884+24625+1796+1906(Top 46%)617(Top 54%)93(Top 52%)
35K21.75 mi3.11 mi920-36630-5100-41130(Top 58%)710(Top 62%)111(Top 62%)
25.2M25.20 mi3.45 mi946-26635-5101-11131(Top 58%)687(Top 60%)106(Top 60%)
Finish26.22 mi1.02 mi965-19639-4102-11281(Top 66%)785(Top 68%)123(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×1
+26ft-31ft

Overall

860

Males

613

M35-39

98

5K→10K

3.1 - 6.2 mi

Top 51%
×2
+38ft-17ft

Overall

988

Males

691

M35-39

107

10K→15K

6.2 - 9.3 mi

Top 44%
×2
+26ft-44ft

Overall

860

Males

613

M35-39

98

15K→20K

9.3 - 12.4 mi

Top 41%
×1
+35ft-22ft

Overall

805

Males

579

M35-39

89

20K→Half

12.4 - 13.1 mi

Top 41%
×1
+7ft-13ft

Overall

800

Males

575

M35-39

90

Half→25K

13.1 - 15.5 mi

Top 41%
×2
+48ft-19ft

Overall

792

Males

564

M35-39

88

25K→30K

15.5 - 18.6 mi

Top 46%
×2
+38ft-52ft

Overall

906

Males

617

M35-39

93

30K→35K

18.6 - 21.8 mi

Top 58%
×2
+39ft-39ft

Overall

1130

Males

710

M35-39

111

35K→25.2M

21.8 - 25.2 mi

Top 58%
×3
+57ft-58ft

Overall

1131

Males

687

M35-39

106

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×1
+17ft-12ft

Overall

1281

Males

785

M35-39

123

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
337
Passed By
139
Net Change
+198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1163
5K → 10K1145+109#1163#1054
10K → 15K601+59#1054#995
15K → 20K511+50#995#945
20K → Half111+10#945#935
Half → 25K325+27#935#908
25K → 30K3511+24#908#884
30K → 35K1854-36#884#920
35K → 25.2M1440-26#920#946
25.2M → Finish221-19#946#965
TOTALS337139+198
📊

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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