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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Mark Njore

Bib: 701 •M •Age: 51

Dumfries, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Top 10%
Gender (Male)
#0 / 1153
Top 13%
Masters (Masters Men)
#0 / 398
Top 11%
Age Group (M50-54)
#0 / 76
Top 7%
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
23:14
3.11 mi
Rank: #207
Start → 5K
23:14 | 7:29/mi
10K
46:15
6.21 mi
Rank: #178 (+29)
5K → 10K
23:01 | 7:25/mi
15K
1:09:21
9.32 mi
Rank: #177 (+1)
10K → 15K
23:06 | 7:27/mi
20K
1:32:39
12.43 mi
Rank: #183 (-6)
15K → 20K
23:18 | 7:30/mi
Half
1:38:01
13.10 mi
Rank: #180 (+3)
20K → Half
5:22 | 8:00/mi
25K
1:56:58
15.53 mi
Rank: #188 (-8)
Half → 25K
18:57 | 7:47/mi
30K
2:17:59
18.64 mi
Rank: #184 (+4)
25K → 30K
21:01 | 6:46/mi
35K
2:46:29
21.75 mi
Rank: #194 (-10)
30K → 35K
28:30 | 9:11/mi
25.2M
3:15:17
25.20 mi
Rank: #188 (+6)
35K → 25.2M
28:48 | 8:21/mi
Finish
3:23:21
26.22 mi
Rank: #188
25.2M → Finish
8:04 | 7:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:38:01
Pace7:29 /mi
2nd Half
Distance13.12 mi
Time1:45:20
Pace8:02 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:53:4023:147:2923:14
7:29
-
10K
6.21 mi08:16:4146:157:2723:01
7:25
-0:04
15K
9.32 mi08:39:471:09:217:2723:06
7:27
+0:02
20K
12.43 mi09:03:051:32:397:2823:18
7:30
+0:03
Half
13.10 mi09:08:271:38:017:295:22
8:00
+0:30
25K
15.53 mi09:27:241:56:587:3218:57
7:47
-0:13
30K
18.64 mi09:48:252:17:597:2521:01
6:46
-1:01
35K
21.75 mi10:16:552:46:297:4028:30
9:11
+2:25
25.2M
25.20 mi10:45:433:15:177:4528:48
8:21
-0:50
Finish
26.22 mi10:53:473:23:217:468:04
7:55
-0:26

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. Green = fastest, yellow = moderate, red = slowest segments.

Fastest Pace

6:46 /mi

Average Pace

7:46 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Color indicates pace quality: green = fast pace, yellow = moderate, red = slow pace.

Time at Fast Pace

1:07:08

33% of race

Time at Moderate Pace

1:18:55

39% of race

Time at Slow Pace

57:18

28% of race

Average Pace: 7:45 /mi

Loading chart...
Fast pace (< avg)
Moderate pace (≈ avg)
Slow pace (> avg)

🎨Heatmap

Pace Heatmap

Visual intensity map of your pacing throughout the race. Green = fastest, yellow = moderate, red = slowest.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Fast
Moderate
Slow

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 mi07:53:4023:147:2923:14
7:29
#207
10K
6.21 mi08:16:4146:157:2723:01
7:25
#178
15K
9.32 mi08:39:471:09:217:2723:06
7:27
#177
20K
12.43 mi09:03:051:32:397:2823:18
7:30
#183
Half
13.10 mi09:08:271:38:017:295:22
8:00
#180
25K
15.53 mi09:27:241:56:587:3218:57
7:47
#188
30K
18.64 mi09:48:252:17:597:2521:01
6:46
#184
35K
21.75 mi10:16:552:46:297:4028:30
9:11
#194
25.2M
25.20 mi10:45:433:15:177:4528:48
8:21
#188
Finish
26.22 mi10:53:473:23:217:468:04
7:55
#188
Fast pace
Moderate pace
Slow pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2071688168(Top 9%)138(Top 12%)7(Top 9%)
10K6.21 mi3.10 mi178+29146+226+2167(Top 9%)139(Top 12%)6(Top 8%)
15K9.32 mi3.11 mi177+1145+17-1168(Top 9%)138(Top 12%)7(Top 9%)
20K12.43 mi3.11 mi183-6151-67210(Top 11%)171(Top 15%)8(Top 11%)
Half13.10 mi0.67 mi180+3148+37198(Top 10%)161(Top 14%)7(Top 9%)
25K15.53 mi2.43 mi188-8151-37214(Top 11%)169(Top 15%)7(Top 9%)
30K18.64 mi3.11 mi184+4147+47186(Top 10%)145(Top 13%)6(Top 8%)
35K21.75 mi3.11 mi194-10151-47255(Top 13%)187(Top 16%)6(Top 8%)
25.2M25.20 mi3.45 mi188+6146+55+2229(Top 12%)164(Top 14%)7(Top 9%)
Finish26.22 mi1.02 mi188145+15257(Top 13%)190(Top 16%)7(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×1
+26ft-31ft

Overall

168

Males

138

M50-54

7

5K→10K

3.1 - 6.2 mi

Top 9%
×2
+38ft-17ft

Overall

167

Males

139

M50-54

6

10K→15K

6.2 - 9.3 mi

Top 9%
×2
+26ft-44ft

Overall

168

Males

138

M50-54

7

15K→20K

9.3 - 12.4 mi

Top 11%
×1
+35ft-22ft

Overall

210

Males

171

M50-54

8

20K→Half

12.4 - 13.1 mi

Top 10%
×1
+7ft-13ft

Overall

198

Males

161

M50-54

7

Half→25K

13.1 - 15.5 mi

Top 11%
×2
+48ft-19ft

Overall

214

Males

169

M50-54

7

25K→30K

15.5 - 18.6 mi

Top 10%
×2
+38ft-52ft

Overall

186

Males

145

M50-54

6

30K→35K

18.6 - 21.8 mi

Top 13%
×2
+39ft-39ft

Overall

255

Males

187

M50-54

6

35K→25.2M

21.8 - 25.2 mi

Top 12%
×3
+57ft-58ft

Overall

229

Males

164

M50-54

7

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×1
+17ft-12ft

Overall

257

Males

190

M50-54

7

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
73
Passed By
54
Net Change
+19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#207
5K → 10K301+29#207#178
10K → 15K43+1#178#177
15K → 20K17-6#177#183
20K → Half30+3#183#180
Half → 25K311-8#180#188
25K → 30K95+4#188#184
30K → 35K919-10#184#194
35K → 25.2M126+6#194#188
25.2M → Finish220#188#188
TOTALS7354+19
📊

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

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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