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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Robert Knape

Bib: 927 •M •Age: 43

Glen Allen, 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
23:18
3.11 mi
Rank: #225
Start → 5K
23:18 | 7:30/mi
10K
47:52
6.21 mi
Rank: #253 (-28)
5K → 10K
24:34 | 7:55/mi
15K
1:12:19
9.32 mi
Rank: #264 (-11)
10K → 15K
24:27 | 7:53/mi
20K
1:37:09
12.43 mi
Rank: #281 (-17)
15K → 20K
24:50 | 8:00/mi
Half
1:43:01
13.10 mi
Rank: #282 (-1)
20K → Half
5:52 | 8:45/mi
25K
2:10:06
15.53 mi
Rank: #428 (-146)
Half → 25K
27:05 | 11:08/mi
30K
2:41:06
18.64 mi
Rank: #585 (-157)
25K → 30K
31:00 | 9:59/mi
35K
3:27:24
21.75 mi
Rank: #816 (-231)
30K → 35K
46:18 | 14:55/mi
25.2M
4:12:01
25.20 mi
Rank: #910 (-94)
35K → 25.2M
44:37 | 12:56/mi
Finish
4:30:18
26.22 mi
Rank: #1021 (-111)
25.2M → Finish
18:17 | 17:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:43:01
Pace7:52 /mi
2nd Half
Distance13.12 mi
Time2:47:18
Pace12:46 /mi
📊Positive Split: 62.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:3423:187:3023:18
7:30
-
10K
6.21 mi08:24:0847:527:4324:34
7:55
+0:25
15K
9.32 mi08:48:351:12:197:4624:27
7:53
-0:02
20K
12.43 mi09:13:251:37:097:5024:50
8:00
+0:07
Half
13.10 mi09:19:171:43:017:525:52
8:45
+0:45
25K
15.53 mi09:46:222:10:068:2327:05
11:08
+2:23
30K
18.64 mi10:17:222:41:068:3931:00
9:59
-1:09
35K
21.75 mi11:03:403:27:249:3346:18
14:55
+4:56
25.2M
25.20 mi11:48:174:12:0110:0144:37
12:56
-1:59
Finish
26.22 mi12:06:344:30:1810:2018:17
17:57
+5:01

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

7:30 /mi

Average Pace

10:19 /mi

Slowest Pace

17:57 /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

1:37:09

36% of race

Time at Steady Pace

1:03:57

24% of race

Time at Slower Pace

1:49:12

40% of race

Average Pace: 10:19 /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 mi07:59:3423:187:3023:18
7:30
#225
10K
6.21 mi08:24:0847:527:4324:34
7:55
#253
15K
9.32 mi08:48:351:12:197:4624:27
7:53
#264
20K
12.43 mi09:13:251:37:097:5024:50
8:00
#281
Half
13.10 mi09:19:171:43:017:525:52
8:45
#282
25K
15.53 mi09:46:222:10:068:2327:05
11:08
#428
30K
18.64 mi10:17:222:41:068:3931:00
9:59
#585
35K
21.75 mi11:03:403:27:249:3346:18
14:55
#816
25.2M
25.20 mi11:48:174:12:0110:0144:37
12:56
#910
Finish
26.22 mi12:06:344:30:1810:2018:17
17:57
#1021
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 mi22518128295(Top 15%)228(Top 20%)33(Top 28%)
10K6.21 mi3.10 mi253-28200-1930-2300(Top 15%)233(Top 20%)34(Top 28%)
15K9.32 mi3.11 mi264-11209-931-1295(Top 15%)228(Top 20%)33(Top 28%)
20K12.43 mi3.11 mi281-17220-1132-1359(Top 18%)281(Top 24%)39(Top 33%)
Half13.10 mi0.67 mi282-1218+232401(Top 21%)311(Top 27%)41(Top 34%)
25K15.53 mi2.43 mi428-146330-11245-131271(Top 65%)827(Top 72%)86(Top 72%)
30K18.64 mi3.11 mi585-157426-9657-121246(Top 64%)791(Top 69%)83(Top 69%)
35K21.75 mi3.11 mi816-231577-15167-101477(Top 76%)898(Top 78%)93(Top 78%)
25.2M25.20 mi3.45 mi910-94614-3769-21395(Top 72%)845(Top 73%)89(Top 74%)
Finish26.22 mi1.02 mi1021-111675-6175-61939(Top 99%)1145(Top 99%)118(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×1
+26ft-31ft

Overall

295

Males

228

M40-44

33

5K→10K

3.1 - 6.2 mi

Top 15%
×2
+38ft-17ft

Overall

300

Males

233

M40-44

34

10K→15K

6.2 - 9.3 mi

Top 15%
×2
+26ft-44ft

Overall

295

Males

228

M40-44

33

15K→20K

9.3 - 12.4 mi

Top 18%
×1
+35ft-22ft

Overall

359

Males

281

M40-44

39

20K→Half

12.4 - 13.1 mi

Top 21%
×1
+7ft-13ft

Overall

401

Males

311

M40-44

41

Half→25K

13.1 - 15.5 mi

Top 65%
×2
+48ft-19ft

Overall

1271

Males

827

M40-44

86

25K→30K

15.5 - 18.6 mi

Top 64%
×2
+38ft-52ft

Overall

1246

Males

791

M40-44

83

30K→35K

18.6 - 21.8 mi

Top 76%
×2
+39ft-39ft

Overall

1477

Males

898

M40-44

93

35K→25.2M

21.8 - 25.2 mi

Top 72%
×3
+57ft-58ft

Overall

1395

Males

845

M40-44

89

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×1
+17ft-12ft

Overall

1939

Males

1145

M40-44

118

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
11
Passed By
776
Net Change
-796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#225
5K → 10K230-28#225#253
10K → 15K112-11#253#264
15K → 20K017-17#264#281
20K → Half23-1#281#282
Half → 25K0146-146#282#428
25K → 30K0157-157#428#585
30K → 35K0200-231#585#816
35K → 25.2M6100-94#816#910
25.2M → Finish0111-111#910#1021
TOTALS11776-796
📊

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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