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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 Chadim

Bib: 2702 •M •Age: 78

Midlothian, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M75-79)
#0 / 4
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
45:26
3.11 mi
Rank: #1938
Start → 5K
45:26 | 14:38/mi
10K
1:37:09
6.21 mi
Rank: #1947 (-9)
5K → 10K
51:43 | 16:39/mi
15K
2:28:18
9.32 mi
Rank: #1947
10K → 15K
51:09 | 16:28/mi
20K
3:18:21
12.43 mi
Rank: #1946 (+1)
15K → 20K
50:03 | 16:07/mi
Half
3:30:04
13.10 mi
Rank: #1940 (+6)
20K → Half
11:43 | 17:28/mi
25K
4:11:23
15.53 mi
Rank: #1947 (-7)
Half → 25K
41:19 | 16:58/mi
30K
4:57:06
18.64 mi
Rank: #1948 (-1)
25K → 30K
45:43 | 14:43/mi
35K
5:54:31
21.75 mi
Rank: #1948
30K → 35K
57:25 | 18:29/mi
25.2M
6:50:19
25.20 mi
Rank: #1942 (+6)
35K → 25.2M
55:48 | 16:10/mi
Finish
7:05:45
26.22 mi
Rank: #1942
25.2M → Finish
15:26 | 15:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time3:30:04
Pace16:03 /mi
2nd Half
Distance13.12 mi
Time3:35:42
Pace16:27 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:0345:2614:3845:26
14:38
-
10K
6.21 mi09:13:461:37:0915:3951:43
16:39
+2:01
15K
9.32 mi10:04:552:28:1815:5551:09
16:28
-0:11
20K
12.43 mi10:54:583:18:2115:5850:03
16:07
-0:21
Half
13.10 mi11:06:413:30:0416:0311:43
17:28
+1:21
25K
15.53 mi11:48:004:11:2316:1141:19
16:58
-0:30
30K
18.64 mi12:33:434:57:0615:5745:43
14:43
-2:15
35K
21.75 mi13:31:085:54:3116:1957:25
18:29
+3:46
25.2M
25.20 mi14:26:566:50:1916:1755:48
16:10
-2:19
Finish
26.22 mi14:42:227:05:4516:1515:26
15:09
-1:01

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

14:38 /mi

Average Pace

16:15 /mi

Slowest Pace

18:29 /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

1:46:35

25% of race

Time at Moderate Pace

4:10:02

59% of race

Time at Slow Pace

1:09:08

16% of race

Average Pace: 16:14 /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 mi08:22:0345:2614:3845:26
14:38
#1938
10K
6.21 mi09:13:461:37:0915:3951:43
16:39
#1947
15K
9.32 mi10:04:552:28:1815:5551:09
16:28
#1947
20K
12.43 mi10:54:583:18:2115:5850:03
16:07
#1946
Half
13.10 mi11:06:413:30:0416:0311:43
17:28
#1940
25K
15.53 mi11:48:004:11:2316:1141:19
16:58
#1947
30K
18.64 mi12:33:434:57:0615:5745:43
14:43
#1948
35K
21.75 mi13:31:085:54:3116:1957:25
18:29
#1948
25.2M
25.20 mi14:26:566:50:1916:1755:48
16:10
#1942
Finish
26.22 mi14:42:227:05:4516:1515:26
15:09
#1942
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 mi1938114941948(Top 100%)1152(Top 100%)4(Top 100%)
10K6.21 mi3.10 mi1947-91151-241948(Top 100%)1153(Top 100%)4(Top 100%)
15K9.32 mi3.11 mi1947115141948(Top 100%)1152(Top 100%)4(Top 100%)
20K12.43 mi3.11 mi1946+11150+141940(Top 100%)1149(Top 100%)4(Top 100%)
Half13.10 mi0.67 mi1940+61146+441924(Top 99%)1138(Top 99%)4(Top 100%)
25K15.53 mi2.43 mi1947-71152-641921(Top 99%)1134(Top 98%)4(Top 100%)
30K18.64 mi3.11 mi1948-1115241918(Top 98%)1134(Top 98%)4(Top 100%)
35K21.75 mi3.11 mi1948115241859(Top 95%)1104(Top 96%)4(Top 100%)
25.2M25.20 mi3.45 mi1942+61149+341833(Top 94%)1086(Top 94%)4(Top 100%)
Finish26.22 mi1.02 mi1942114941869(Top 96%)1107(Top 96%)3(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×1
+26ft-31ft

Overall

1948

Males

1152

M75-79

4

5K→10K

3.1 - 6.2 mi

Top 100%
×2
+38ft-17ft

Overall

1948

Males

1153

M75-79

4

10K→15K

6.2 - 9.3 mi

Top 100%
×2
+26ft-44ft

Overall

1948

Males

1152

M75-79

4

15K→20K

9.3 - 12.4 mi

Top 100%
×1
+35ft-22ft

Overall

1940

Males

1149

M75-79

4

20K→Half

12.4 - 13.1 mi

Top 99%
×1
+7ft-13ft

Overall

1924

Males

1138

M75-79

4

Half→25K

13.1 - 15.5 mi

Top 99%
×2
+48ft-19ft

Overall

1921

Males

1134

M75-79

4

25K→30K

15.5 - 18.6 mi

Top 98%
×2
+38ft-52ft

Overall

1918

Males

1134

M75-79

4

30K→35K

18.6 - 21.8 mi

Top 95%
×2
+39ft-39ft

Overall

1859

Males

1104

M75-79

4

35K→25.2M

21.8 - 25.2 mi

Top 94%
×3
+57ft-58ft

Overall

1833

Males

1086

M75-79

4

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×1
+17ft-12ft

Overall

1869

Males

1107

M75-79

3

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
16
Passed By
20
Net Change
-4
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1938
5K → 10K09-9#1938#1947
10K → 15K000#1947#1947
15K → 20K10+1#1947#1946
20K → Half82+6#1946#1940
Half → 25K18-7#1940#1947
25K → 30K01-1#1947#1948
30K → 35K000#1948#1948
35K → 25.2M60+6#1948#1942
25.2M → Finish000#1942#1942
TOTALS1620-4
📊

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.

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