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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

William Colvin

Bib: 3168 •M •Age: 49

Fredericksbrg, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 50%
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
30:30
3.11 mi
Rank: #1120
Start → 5K
30:30 | 9:50/mi
10K
1:01:19
6.21 mi
Rank: #1125 (-5)
5K → 10K
30:49 | 9:56/mi
15K
1:31:49
9.32 mi
Rank: #1101 (+24)
10K → 15K
30:30 | 9:50/mi
20K
2:01:59
12.43 mi
Rank: #1086 (+15)
15K → 20K
30:10 | 9:43/mi
Half
2:09:05
13.10 mi
Rank: #1079 (+7)
20K → Half
7:06 | 10:35/mi
25K
2:33:07
15.53 mi
Rank: #1041 (+38)
Half → 25K
24:02 | 9:53/mi
30K
2:59:53
18.64 mi
Rank: #991 (+50)
25K → 30K
26:46 | 8:37/mi
35K
3:36:08
21.75 mi
Rank: #955 (+36)
30K → 35K
36:15 | 11:41/mi
25.2M
4:16:08
25.20 mi
Rank: #966 (-11)
35K → 25.2M
40:00 | 11:36/mi
Finish
4:27:02
26.22 mi
Rank: #972 (-6)
25.2M → Finish
10:54 | 10:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:09:05
Pace9:52 /mi
2nd Half
Distance13.12 mi
Time2:17:58
Pace10:31 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:10:4430:309:5030:30
9:50
-
10K
6.21 mi08:41:331:01:199:5330:49
9:56
+0:06
15K
9.32 mi09:12:031:31:499:5230:30
9:50
-0:06
20K
12.43 mi09:42:132:01:599:4930:10
9:43
-0:07
Half
13.10 mi09:49:192:09:059:527:06
10:35
+0:52
25K
15.53 mi10:13:212:33:079:5224:02
9:53
-0:42
30K
18.64 mi10:40:072:59:539:3926:46
8:37
-1:16
35K
21.75 mi11:16:223:36:089:5736:15
11:41
+3:04
25.2M
25.20 mi11:56:224:16:0810:1040:00
11:36
-0:05
Finish
26.22 mi12:07:164:27:0210:1210:54
10:42
-0:54

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

8:37 /mi

Average Pace

10:12 /mi

Slowest Pace

11:41 /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

26:46

10% of race

Time at Steady Pace

2:26:01

55% of race

Time at Slower Pace

1:34:15

35% of race

Average Pace: 10:11 /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 mi08:10:4430:309:5030:30
9:50
#1120
10K
6.21 mi08:41:331:01:199:5330:49
9:56
#1125
15K
9.32 mi09:12:031:31:499:5230:30
9:50
#1101
20K
12.43 mi09:42:132:01:599:4930:10
9:43
#1086
Half
13.10 mi09:49:192:09:059:527:06
10:35
#1079
25K
15.53 mi10:13:212:33:079:5224:02
9:53
#1041
30K
18.64 mi10:40:072:59:539:3926:46
8:37
#991
35K
21.75 mi11:16:223:36:089:5736:15
11:41
#955
25.2M
25.20 mi11:56:224:16:0810:1040:00
11:36
#966
Finish
26.22 mi12:07:164:27:0210:1210:54
10:42
#972
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 mi1120757601077(Top 55%)732(Top 63%)55(Top 62%)
10K6.21 mi3.10 mi1125-5766-955+51131(Top 58%)775(Top 67%)55(Top 62%)
15K9.32 mi3.11 mi1101+24750+16551077(Top 55%)732(Top 63%)55(Top 62%)
20K12.43 mi3.11 mi1086+15742+854+11026(Top 53%)707(Top 61%)54(Top 61%)
Half13.10 mi0.67 mi1079+7739+3541070(Top 55%)730(Top 63%)58(Top 65%)
25K15.53 mi2.43 mi1041+38714+2553+1895(Top 46%)630(Top 55%)50(Top 56%)
30K18.64 mi3.11 mi991+50681+3351+2800(Top 41%)553(Top 48%)47(Top 53%)
35K21.75 mi3.11 mi955+36646+3549+2826(Top 42%)541(Top 47%)48(Top 54%)
25.2M25.20 mi3.45 mi966-11644+2491062(Top 54%)646(Top 56%)55(Top 62%)
Finish26.22 mi1.02 mi972-6644491198(Top 61%)740(Top 64%)61(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×1
+26ft-31ft

Overall

1077

Males

732

M45-49

55

5K→10K

3.1 - 6.2 mi

Top 58%
×2
+38ft-17ft

Overall

1131

Males

775

M45-49

55

10K→15K

6.2 - 9.3 mi

Top 55%
×2
+26ft-44ft

Overall

1077

Males

732

M45-49

55

15K→20K

9.3 - 12.4 mi

Top 53%
×1
+35ft-22ft

Overall

1026

Males

707

M45-49

54

20K→Half

12.4 - 13.1 mi

Top 55%
×1
+7ft-13ft

Overall

1070

Males

730

M45-49

58

Half→25K

13.1 - 15.5 mi

Top 46%
×2
+48ft-19ft

Overall

895

Males

630

M45-49

50

25K→30K

15.5 - 18.6 mi

Top 41%
×2
+38ft-52ft

Overall

800

Males

553

M45-49

47

30K→35K

18.6 - 21.8 mi

Top 42%
×2
+39ft-39ft

Overall

826

Males

541

M45-49

48

35K→25.2M

21.8 - 25.2 mi

Top 54%
×3
+57ft-58ft

Overall

1062

Males

646

M45-49

55

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×1
+17ft-12ft

Overall

1198

Males

740

M45-49

61

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
252
Passed By
104
Net Change
+148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1120
5K → 10K3035-5#1120#1125
10K → 15K295+24#1125#1101
15K → 20K194+15#1101#1086
20K → Half92+7#1086#1079
Half → 25K446+38#1079#1041
25K → 30K511+50#1041#991
30K → 35K5014+36#991#955
35K → 25.2M1829-11#955#966
25.2M → Finish28-6#966#972
TOTALS252104+148
📊

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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