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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Clarence Edwards

Bib: 2812 •M •Age: 68

Florissant, MO

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 (M65-69)
#0 / 15
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
41:45
3.11 mi
Rank: #1906
Start → 5K
41:45 | 13:27/mi
10K
1:25:35
6.21 mi
Rank: #1916 (-10)
5K → 10K
43:50 | 14:07/mi
15K
2:08:42
9.32 mi
Rank: #1909 (+7)
10K → 15K
43:07 | 13:53/mi
20K
2:51:25
12.43 mi
Rank: #1903 (+6)
15K → 20K
42:43 | 13:45/mi
Half
3:01:15
13.10 mi
Rank: #1896 (+7)
20K → Half
9:50 | 14:40/mi
25K
3:36:15
15.53 mi
Rank: #1896
Half → 25K
35:00 | 14:23/mi
30K
4:16:36
18.64 mi
Rank: #1887 (+9)
25K → 30K
40:21 | 13:00/mi
35K
5:13:15
21.75 mi
Rank: #1884 (+3)
30K → 35K
56:39 | 18:15/mi
25.2M
6:12:58
25.20 mi
Rank: #1892 (-8)
35K → 25.2M
59:43 | 17:19/mi
Finish
6:30:13
26.22 mi
Rank: #1896 (-4)
25.2M → Finish
17:15 | 16:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time3:01:15
Pace13:51 /mi
2nd Half
Distance13.12 mi
Time3:28:59
Pace15:56 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:30:0341:4513:2741:45
13:27
-
10K
6.21 mi09:13:531:25:3513:4743:50
14:07
+0:40
15K
9.32 mi09:57:002:08:4213:4943:07
13:53
-0:14
20K
12.43 mi10:39:432:51:2513:4842:43
13:45
-0:08
Half
13.10 mi10:49:333:01:1513:519:50
14:40
+0:55
25K
15.53 mi11:24:333:36:1513:5635:00
14:23
-0:17
30K
18.64 mi12:04:544:16:3613:4640:21
13:00
-1:23
35K
21.75 mi13:01:335:13:1514:2556:39
18:15
+5:15
25.2M
25.20 mi14:01:166:12:5814:4959:43
17:19
-0:56
Finish
26.22 mi14:18:316:30:1314:5417:15
16:56
-0:23

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

13:00 /mi

Average Pace

14:54 /mi

Slowest Pace

18:15 /mi

Loading chart...
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

1:22:06

21% of race

Time at Steady Pace

2:54:30

45% of race

Time at Slower Pace

2:13:37

34% of race

Average Pace: 14:53 /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 mi08:30:0341:4513:2741:45
13:27
#1906
10K
6.21 mi09:13:531:25:3513:4743:50
14:07
#1916
15K
9.32 mi09:57:002:08:4213:4943:07
13:53
#1909
20K
12.43 mi10:39:432:51:2513:4842:43
13:45
#1903
Half
13.10 mi10:49:333:01:1513:519:50
14:40
#1896
25K
15.53 mi11:24:333:36:1513:5635:00
14:23
#1896
30K
18.64 mi12:04:544:16:3613:4640:21
13:00
#1887
35K
21.75 mi13:01:335:13:1514:2556:39
18:15
#1884
25.2M
25.20 mi14:01:166:12:5814:4959:43
17:19
#1892
Finish
26.22 mi14:18:316:30:1314:5417:15
16:56
#1896
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19061135141896(Top 97%)1133(Top 98%)14(Top 93%)
10K6.21 mi3.10 mi1916-101142-7141906(Top 98%)1136(Top 99%)14(Top 93%)
15K9.32 mi3.11 mi1909+71138+4141896(Top 97%)1133(Top 98%)14(Top 93%)
20K12.43 mi3.11 mi1903+61136+2141855(Top 95%)1117(Top 97%)14(Top 93%)
Half13.10 mi0.67 mi1896+71130+6141845(Top 95%)1106(Top 96%)14(Top 93%)
25K15.53 mi2.43 mi18961134-4141793(Top 92%)1084(Top 94%)14(Top 93%)
30K18.64 mi3.11 mi1887+91130+4141771(Top 91%)1070(Top 93%)14(Top 93%)
35K21.75 mi3.11 mi1884+31126+4141844(Top 95%)1094(Top 95%)15(Top 100%)
25.2M25.20 mi3.45 mi1892-81129-3141902(Top 98%)1124(Top 97%)15(Top 100%)
Finish26.22 mi1.02 mi1896-41129141928(Top 99%)1138(Top 99%)15(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×1
+26ft-31ft

Overall

1896

Males

1133

M65-69

14

5K→10K

3.1 - 6.2 mi

Top 98%
×2
+38ft-17ft

Overall

1906

Males

1136

M65-69

14

10K→15K

6.2 - 9.3 mi

Top 97%
×2
+26ft-44ft

Overall

1896

Males

1133

M65-69

14

15K→20K

9.3 - 12.4 mi

Top 95%
×1
+35ft-22ft

Overall

1855

Males

1117

M65-69

14

20K→Half

12.4 - 13.1 mi

Top 95%
×1
+7ft-13ft

Overall

1845

Males

1106

M65-69

14

Half→25K

13.1 - 15.5 mi

Top 92%
×2
+48ft-19ft

Overall

1793

Males

1084

M65-69

14

25K→30K

15.5 - 18.6 mi

Top 91%
×2
+38ft-52ft

Overall

1771

Males

1070

M65-69

14

30K→35K

18.6 - 21.8 mi

Top 95%
×2
+39ft-39ft

Overall

1844

Males

1094

M65-69

15

35K→25.2M

21.8 - 25.2 mi

Top 98%
×3
+57ft-58ft

Overall

1902

Males

1124

M65-69

15

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×1
+17ft-12ft

Overall

1928

Males

1138

M65-69

15

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
56
Passed By
46
Net Change
+10
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1906
5K → 10K414-10#1906#1916
10K → 15K70+7#1916#1909
15K → 20K60+6#1909#1903
20K → Half81+7#1903#1896
Half → 25K990#1896#1896
25K → 30K112+9#1896#1887
30K → 35K85+3#1887#1884
35K → 25.2M311-8#1884#1892
25.2M → Finish04-4#1892#1896
TOTALS5646+10
📊

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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