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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Ron Carpenter

Bib: 2228 •M •Age: 75

Hudson, MI

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 (M75-79)
#0 / 4
Top 50%
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
32:51
3.11 mi
Rank: #1411
Start → 5K
32:51 | 10:35/mi
10K
1:05:55
6.21 mi
Rank: #1398 (+13)
5K → 10K
33:04 | 10:39/mi
15K
1:38:38
9.32 mi
Rank: #1378 (+20)
10K → 15K
32:43 | 10:32/mi
20K
2:11:14
12.43 mi
Rank: #1350 (+28)
15K → 20K
32:36 | 10:30/mi
Half
2:18:49
13.10 mi
Rank: #1344 (+6)
20K → Half
7:35 | 11:19/mi
25K
2:45:06
15.53 mi
Rank: #1311 (+33)
Half → 25K
26:17 | 10:48/mi
30K
3:15:11
18.64 mi
Rank: #1276 (+35)
25K → 30K
30:05 | 9:41/mi
35K
3:55:33
21.75 mi
Rank: #1249 (+27)
30K → 35K
40:22 | 13:00/mi
25.2M
4:37:54
25.20 mi
Rank: #1244 (+5)
35K → 25.2M
42:21 | 12:17/mi
Finish
4:49:48
26.22 mi
Rank: #1253 (-9)
25.2M → Finish
11:54 | 11:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:18:49
Pace10:36 /mi
2nd Half
Distance13.12 mi
Time2:30:59
Pace11:31 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:13:2732:5110:3532:51
10:35
-
10K
6.21 mi08:46:311:05:5510:3733:04
10:39
+0:04
15K
9.32 mi09:19:141:38:3810:3532:43
10:32
-0:07
20K
12.43 mi09:51:502:11:1410:3432:36
10:30
-0:02
Half
13.10 mi09:59:252:18:4910:367:35
11:19
+0:49
25K
15.53 mi10:25:422:45:0610:3826:17
10:48
-0:31
30K
18.64 mi10:55:473:15:1110:2930:05
9:41
-1:07
35K
21.75 mi11:36:093:55:3310:5040:22
13:00
+3:19
25.2M
25.20 mi12:18:304:37:5411:0242:21
12:17
-0:43
Finish
26.22 mi12:30:244:49:4811:0411:54
11:41
-0:36

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

9:41 /mi

Average Pace

11:04 /mi

Slowest Pace

13:00 /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

30:05

10% of race

Time at Moderate Pace

2:37:31

54% of race

Time at Slow Pace

1:42:12

35% of race

Average Pace: 11:03 /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 mi08:13:2732:5110:3532:51
10:35
#1411
10K
6.21 mi08:46:311:05:5510:3733:04
10:39
#1398
15K
9.32 mi09:19:141:38:3810:3532:43
10:32
#1378
20K
12.43 mi09:51:502:11:1410:3432:36
10:30
#1350
Half
13.10 mi09:59:252:18:4910:367:35
11:19
#1344
25K
15.53 mi10:25:422:45:0610:3826:17
10:48
#1311
30K
18.64 mi10:55:473:15:1110:2930:05
9:41
#1276
35K
21.75 mi11:36:093:55:3310:5040:22
13:00
#1249
25.2M
25.20 mi12:18:304:37:5411:0242:21
12:17
#1244
Finish
26.22 mi12:30:244:49:4811:0411:54
11:41
#1253
Fast pace
Moderate pace
Slow pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi141191321349(Top 69%)889(Top 77%)2(Top 50%)
10K6.21 mi3.10 mi1398+13908+521392(Top 71%)909(Top 79%)2(Top 50%)
15K9.32 mi3.11 mi1378+20904+421349(Top 69%)889(Top 77%)2(Top 50%)
20K12.43 mi3.11 mi1350+28884+2021298(Top 67%)854(Top 74%)2(Top 50%)
Half13.10 mi0.67 mi1344+6879+521304(Top 67%)856(Top 74%)2(Top 50%)
25K15.53 mi2.43 mi1311+33860+1921178(Top 60%)786(Top 68%)2(Top 50%)
30K18.64 mi3.11 mi1276+35840+2021151(Top 59%)744(Top 65%)2(Top 50%)
35K21.75 mi3.11 mi1249+27812+2821163(Top 60%)731(Top 63%)2(Top 50%)
25.2M25.20 mi3.45 mi1244+5798+1421244(Top 64%)751(Top 65%)2(Top 50%)
Finish26.22 mi1.02 mi1253-9801-321462(Top 75%)880(Top 76%)2(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×1
+26ft-31ft

Overall

1349

Males

889

M75-79

2

5K→10K

3.1 - 6.2 mi

Top 71%
×2
+38ft-17ft

Overall

1392

Males

909

M75-79

2

10K→15K

6.2 - 9.3 mi

Top 69%
×2
+26ft-44ft

Overall

1349

Males

889

M75-79

2

15K→20K

9.3 - 12.4 mi

Top 67%
×1
+35ft-22ft

Overall

1298

Males

854

M75-79

2

20K→Half

12.4 - 13.1 mi

Top 67%
×1
+7ft-13ft

Overall

1304

Males

856

M75-79

2

Half→25K

13.1 - 15.5 mi

Top 60%
×2
+48ft-19ft

Overall

1178

Males

786

M75-79

2

25K→30K

15.5 - 18.6 mi

Top 59%
×2
+38ft-52ft

Overall

1151

Males

744

M75-79

2

30K→35K

18.6 - 21.8 mi

Top 60%
×2
+39ft-39ft

Overall

1163

Males

731

M75-79

2

35K→25.2M

21.8 - 25.2 mi

Top 64%
×3
+57ft-58ft

Overall

1244

Males

751

M75-79

2

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×1
+17ft-12ft

Overall

1462

Males

880

M75-79

2

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
268
Passed By
110
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1411
5K → 10K4027+13#1411#1398
10K → 15K3818+20#1398#1378
15K → 20K346+28#1378#1350
20K → Half93+6#1350#1344
Half → 25K418+33#1344#1311
25K → 30K394+35#1311#1276
30K → 35K4316+27#1276#1249
35K → 25.2M2318+5#1249#1244
25.2M → Finish110-9#1244#1253
TOTALS268110+158
📊

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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