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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Nick Chen

Bib: 1232 •M •Age: 67

Great Falls, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 50%
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M65-69)
#0 / 15
Top 47%
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
29:20
3.11 mi
Rank: #988
Start → 5K
29:20 | 9:27/mi
10K
1:00:05
6.21 mi
Rank: #1042 (-54)
5K → 10K
30:45 | 9:54/mi
15K
1:30:10
9.32 mi
Rank: #1042
10K → 15K
30:05 | 9:41/mi
20K
2:00:30
12.43 mi
Rank: #1035 (+7)
15K → 20K
30:20 | 9:46/mi
Half
2:07:32
13.10 mi
Rank: #1025 (+10)
20K → Half
7:02 | 10:29/mi
25K
2:32:06
15.53 mi
Rank: #1012 (+13)
Half → 25K
24:34 | 10:06/mi
30K
3:00:36
18.64 mi
Rank: #1007 (+5)
25K → 30K
28:30 | 9:11/mi
35K
3:36:17
21.75 mi
Rank: #958 (+49)
30K → 35K
35:41 | 11:30/mi
25.2M
4:15:11
25.20 mi
Rank: #945 (+13)
35K → 25.2M
38:54 | 11:17/mi
Finish
4:26:50
26.22 mi
Rank: #968 (-23)
25.2M → Finish
11:39 | 11:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:07:32
Pace9:45 /mi
2nd Half
Distance13.12 mi
Time2:19:19
Pace10:38 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:07:3729:209:2729:20
9:27
-
10K
6.21 mi08:38:221:00:059:4130:45
9:54
+0:27
15K
9.32 mi09:08:271:30:109:4130:05
9:41
-0:13
20K
12.43 mi09:38:472:00:309:4230:20
9:46
+0:05
Half
13.10 mi09:45:492:07:329:457:02
10:29
+0:43
25K
15.53 mi10:10:232:32:069:4824:34
10:06
-0:23
30K
18.64 mi10:38:533:00:369:4228:30
9:11
-0:55
35K
21.75 mi11:14:343:36:179:5735:41
11:30
+2:19
25.2M
25.20 mi11:53:284:15:1110:0838:54
11:17
-0:13
Finish
26.22 mi12:05:074:26:5010:1211:39
11:26
+0:09

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

9:11 /mi

Average Pace

10:11 /mi

Slowest Pace

11:30 /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

1:27:55

33% of race

Time at Steady Pace

1:32:41

35% of race

Time at Slower Pace

1:26:14

32% of race

Average Pace: 10:11 /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 mi08:07:3729:209:2729:20
9:27
#988
10K
6.21 mi08:38:221:00:059:4130:45
9:54
#1042
15K
9.32 mi09:08:271:30:109:4130:05
9:41
#1042
20K
12.43 mi09:38:472:00:309:4230:20
9:46
#1035
Half
13.10 mi09:45:492:07:329:457:02
10:29
#1025
25K
15.53 mi10:10:232:32:069:4824:34
10:06
#1012
30K
18.64 mi10:38:533:00:369:4228:30
9:11
#1007
35K
21.75 mi11:14:343:36:179:5735:41
11:30
#958
25.2M
25.20 mi11:53:284:15:1110:0838:54
11:17
#945
Finish
26.22 mi12:05:074:26:5010:1211:39
11:26
#968
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 mi98868971037(Top 53%)714(Top 62%)8(Top 53%)
10K6.21 mi3.10 mi1042-54720-318-11120(Top 57%)769(Top 67%)8(Top 53%)
15K9.32 mi3.11 mi1042718+281037(Top 53%)714(Top 62%)8(Top 53%)
20K12.43 mi3.11 mi1035+7713+581054(Top 54%)727(Top 63%)8(Top 53%)
Half13.10 mi0.67 mi1025+10705+881024(Top 53%)703(Top 61%)9(Top 60%)
25K15.53 mi2.43 mi1012+13697+88962(Top 49%)668(Top 58%)7(Top 47%)
30K18.64 mi3.11 mi1007+5688+98996(Top 51%)665(Top 58%)7(Top 47%)
35K21.75 mi3.11 mi958+49649+397+1776(Top 40%)504(Top 44%)6(Top 40%)
25.2M25.20 mi3.45 mi945+13634+156+1981(Top 50%)599(Top 52%)6(Top 40%)
Finish26.22 mi1.02 mi968-23641-77-11392(Top 71%)841(Top 73%)9(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×1
+26ft-31ft

Overall

1037

Males

714

M65-69

8

5K→10K

3.1 - 6.2 mi

Top 57%
×2
+38ft-17ft

Overall

1120

Males

769

M65-69

8

10K→15K

6.2 - 9.3 mi

Top 53%
×2
+26ft-44ft

Overall

1037

Males

714

M65-69

8

15K→20K

9.3 - 12.4 mi

Top 54%
×1
+35ft-22ft

Overall

1054

Males

727

M65-69

8

20K→Half

12.4 - 13.1 mi

Top 53%
×1
+7ft-13ft

Overall

1024

Males

703

M65-69

9

Half→25K

13.1 - 15.5 mi

Top 49%
×2
+48ft-19ft

Overall

962

Males

668

M65-69

7

25K→30K

15.5 - 18.6 mi

Top 51%
×2
+38ft-52ft

Overall

996

Males

665

M65-69

7

30K→35K

18.6 - 21.8 mi

Top 40%
×2
+39ft-39ft

Overall

776

Males

504

M65-69

6

35K→25.2M

21.8 - 25.2 mi

Top 50%
×3
+57ft-58ft

Overall

981

Males

599

M65-69

6

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×1
+17ft-12ft

Overall

1392

Males

841

M65-69

9

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
185
Passed By
165
Net Change
+20
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#988
5K → 10K963-54#988#1042
10K → 15K13130#1042#1042
15K → 20K169+7#1042#1035
20K → Half111+10#1035#1025
Half → 25K207+13#1025#1012
25K → 30K2520+5#1012#1007
30K → 35K6011+49#1007#958
35K → 25.2M3017+13#958#945
25.2M → Finish124-23#945#968
TOTALS185165+20
📊

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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