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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Connor Norris

Bib: 3015 •M •Age: 31

Reston, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M30-34)
#0 / 185
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
28:25
3.11 mi
Rank: #853
Start → 5K
28:25 | 9:09/mi
10K
56:41
6.21 mi
Rank: #831 (+22)
5K → 10K
28:16 | 9:06/mi
15K
1:25:06
9.32 mi
Rank: #832 (-1)
10K → 15K
28:25 | 9:09/mi
20K
1:53:44
12.43 mi
Rank: #834 (-2)
15K → 20K
28:38 | 9:13/mi
Half
2:00:30
13.10 mi
Rank: #835 (-1)
20K → Half
6:46 | 10:05/mi
25K
2:27:08
15.53 mi
Rank: #921 (-86)
Half → 25K
26:38 | 10:57/mi
30K
2:59:05
18.64 mi
Rank: #968 (-47)
25K → 30K
31:57 | 10:18/mi
35K
3:45:40
21.75 mi
Rank: #1111 (-143)
30K → 35K
46:35 | 15:00/mi
25.2M
4:30:00
25.20 mi
Rank: #1149 (-38)
35K → 25.2M
44:20 | 12:51/mi
Finish
4:42:12
26.22 mi
Rank: #1163 (-14)
25.2M → Finish
12:12 | 11:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:00:30
Pace9:12 /mi
2nd Half
Distance13.12 mi
Time2:41:43
Pace12:20 /mi
📊Positive Split: 34.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:00:5028:259:0928:25
9:09
-
10K
6.21 mi08:29:0656:419:0828:16
9:06
-0:03
15K
9.32 mi08:57:311:25:069:0828:25
9:09
+0:03
20K
12.43 mi09:26:091:53:449:1028:38
9:13
+0:04
Half
13.10 mi09:32:552:00:309:126:46
10:05
+0:52
25K
15.53 mi09:59:332:27:089:2926:38
10:57
+0:52
30K
18.64 mi10:31:302:59:059:3731:57
10:18
-0:39
35K
21.75 mi11:18:053:45:4010:2346:35
15:00
+4:42
25.2M
25.20 mi12:02:254:30:0010:4344:20
12:51
-2:09
Finish
26.22 mi12:14:374:42:1210:4712:12
11:59
-0:52

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

9:06 /mi

Average Pace

10:46 /mi

Slowest Pace

15:00 /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

1:53:44

40% of race

Time at Steady Pace

1:05:21

23% of race

Time at Slower Pace

1:43:07

37% of race

Average Pace: 10:46 /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 mi08:00:5028:259:0928:25
9:09
#853
10K
6.21 mi08:29:0656:419:0828:16
9:06
#831
15K
9.32 mi08:57:311:25:069:0828:25
9:09
#832
20K
12.43 mi09:26:091:53:449:1028:38
9:13
#834
Half
13.10 mi09:32:552:00:309:126:46
10:05
#835
25K
15.53 mi09:59:332:27:089:2926:38
10:57
#921
30K
18.64 mi10:31:302:59:059:3731:57
10:18
#968
35K
21.75 mi11:18:053:45:4010:2346:35
15:00
#1111
25.2M
25.20 mi12:02:254:30:0010:4344:20
12:51
#1149
Finish
26.22 mi12:14:374:42:1210:4712:12
11:59
#1163
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi853607106844(Top 43%)602(Top 52%)106(Top 57%)
10K6.21 mi3.10 mi831+22595+12103+3820(Top 42%)581(Top 50%)105(Top 57%)
15K9.32 mi3.11 mi832-1593+2104-1844(Top 43%)602(Top 52%)106(Top 57%)
20K12.43 mi3.11 mi834-2595-2108-4849(Top 44%)608(Top 53%)109(Top 59%)
Half13.10 mi0.67 mi835-1595107+1894(Top 46%)635(Top 55%)109(Top 59%)
25K15.53 mi2.43 mi921-86651-56115-81226(Top 63%)805(Top 70%)138(Top 75%)
30K18.64 mi3.11 mi968-47668-171151331(Top 68%)833(Top 72%)137(Top 74%)
35K21.75 mi3.11 mi1111-143740-72125-101494(Top 77%)908(Top 79%)150(Top 81%)
25.2M25.20 mi3.45 mi1149-38752-12131-61374(Top 70%)827(Top 72%)135(Top 73%)
Finish26.22 mi1.02 mi1163-14761-91311520(Top 78%)907(Top 79%)151(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×1
+26ft-31ft

Overall

844

Males

602

M30-34

106

5K→10K

3.1 - 6.2 mi

Top 42%
×2
+38ft-17ft

Overall

820

Males

581

M30-34

105

10K→15K

6.2 - 9.3 mi

Top 43%
×2
+26ft-44ft

Overall

844

Males

602

M30-34

106

15K→20K

9.3 - 12.4 mi

Top 44%
×1
+35ft-22ft

Overall

849

Males

608

M30-34

109

20K→Half

12.4 - 13.1 mi

Top 46%
×1
+7ft-13ft

Overall

894

Males

635

M30-34

109

Half→25K

13.1 - 15.5 mi

Top 63%
×2
+48ft-19ft

Overall

1226

Males

805

M30-34

138

25K→30K

15.5 - 18.6 mi

Top 68%
×2
+38ft-52ft

Overall

1331

Males

833

M30-34

137

30K→35K

18.6 - 21.8 mi

Top 77%
×2
+39ft-39ft

Overall

1494

Males

908

M30-34

150

35K→25.2M

21.8 - 25.2 mi

Top 70%
×3
+57ft-58ft

Overall

1374

Males

827

M30-34

135

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×1
+17ft-12ft

Overall

1520

Males

907

M30-34

151

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
104
Passed By
414
Net Change
-310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#853
5K → 10K4018+22#853#831
10K → 15K1819-1#831#832
15K → 20K1618-2#832#834
20K → Half45-1#834#835
Half → 25K187-86#835#921
25K → 30K754-47#921#968
30K → 35K3146-143#968#1111
35K → 25.2M1351-38#1111#1149
25.2M → Finish216-14#1149#1163
TOTALS104414-310
📊

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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