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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Bryan Chan

Bib: 3222 •M •Age: 25

Richmond, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 35%
Gender (Male)
#0 / 1153
Top 41%
Age Group (M25-29)
#0 / 240
Top 43%
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
26:48
3.11 mi
Rank: #582
Start → 5K
26:48 | 8:38/mi
10K
53:42
6.21 mi
Rank: #585 (-3)
5K → 10K
26:54 | 8:40/mi
15K
1:21:14
9.32 mi
Rank: #635 (-50)
10K → 15K
27:32 | 8:52/mi
20K
1:48:27
12.43 mi
Rank: #640 (-5)
15K → 20K
27:13 | 8:46/mi
Half
1:54:46
13.10 mi
Rank: #630 (+10)
20K → Half
6:19 | 9:25/mi
25K
2:16:50
15.53 mi
Rank: #621 (+9)
Half → 25K
22:04 | 9:04/mi
30K
2:43:22
18.64 mi
Rank: #636 (-15)
25K → 30K
26:32 | 8:33/mi
35K
3:21:18
21.75 mi
Rank: #707 (-71)
30K → 35K
37:56 | 12:13/mi
25.2M
3:57:35
25.20 mi
Rank: #702 (+5)
35K → 25.2M
36:17 | 10:31/mi
Finish
4:06:27
26.22 mi
Rank: #683 (+19)
25.2M → Finish
8:52 | 8:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:54:46
Pace8:46 /mi
2nd Half
Distance13.12 mi
Time2:11:42
Pace10:03 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:01:0226:488:3826:48
8:38
-
10K
6.21 mi08:27:5653:428:3926:54
8:40
+0:02
15K
9.32 mi08:55:281:21:148:4327:32
8:52
+0:12
20K
12.43 mi09:22:411:48:278:4427:13
8:46
-0:06
Half
13.10 mi09:29:001:54:468:466:19
9:25
+0:39
25K
15.53 mi09:51:042:16:508:4922:04
9:04
-0:21
30K
18.64 mi10:17:362:43:228:4626:32
8:33
-0:31
35K
21.75 mi10:55:323:21:189:1637:56
12:13
+3:40
25.2M
25.20 mi11:31:493:57:359:2636:17
10:31
-1:42
Finish
26.22 mi11:40:414:06:279:258:52
8:43
-1:48

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

8:33 /mi

Average Pace

9:24 /mi

Slowest Pace

12:13 /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

0:00

0% of race

Time at Steady Pace

2:52:14

70% of race

Time at Slower Pace

1:14:13

30% of race

Average Pace: 9:24 /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 mi08:01:0226:488:3826:48
8:38
#582
10K
6.21 mi08:27:5653:428:3926:54
8:40
#585
15K
9.32 mi08:55:281:21:148:4327:32
8:52
#635
20K
12.43 mi09:22:411:48:278:4427:13
8:46
#640
Half
13.10 mi09:29:001:54:468:466:19
9:25
#630
25K
15.53 mi09:51:042:16:508:4922:04
9:04
#621
30K
18.64 mi10:17:362:43:228:4626:32
8:33
#636
35K
21.75 mi10:55:323:21:189:1637:56
12:13
#707
25.2M
25.20 mi11:31:493:57:359:2636:17
10:31
#702
Finish
26.22 mi11:40:414:06:279:258:52
8:43
#683
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi58243593698(Top 36%)507(Top 44%)109(Top 45%)
10K6.21 mi3.10 mi585-3434+193589(Top 30%)438(Top 38%)95(Top 40%)
15K9.32 mi3.11 mi635-50464-30100-7698(Top 36%)507(Top 44%)109(Top 45%)
20K12.43 mi3.11 mi640-5469-599+1653(Top 34%)481(Top 42%)102(Top 43%)
Half13.10 mi0.67 mi630+10463+696+3638(Top 33%)470(Top 41%)98(Top 41%)
25K15.53 mi2.43 mi621+9456+797-1611(Top 31%)446(Top 39%)98(Top 41%)
30K18.64 mi3.11 mi636-15468-12101-4772(Top 40%)537(Top 47%)112(Top 47%)
35K21.75 mi3.11 mi707-71504-36109-8957(Top 49%)619(Top 54%)129(Top 54%)
25.2M25.20 mi3.45 mi702+5490+14105+4763(Top 39%)483(Top 42%)101(Top 42%)
Finish26.22 mi1.02 mi683+19478+12103+2492(Top 25%)330(Top 29%)80(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×1
+26ft-31ft

Overall

698

Males

507

M25-29

109

5K→10K

3.1 - 6.2 mi

Top 30%
×2
+38ft-17ft

Overall

589

Males

438

M25-29

95

10K→15K

6.2 - 9.3 mi

Top 36%
×2
+26ft-44ft

Overall

698

Males

507

M25-29

109

15K→20K

9.3 - 12.4 mi

Top 34%
×1
+35ft-22ft

Overall

653

Males

481

M25-29

102

20K→Half

12.4 - 13.1 mi

Top 33%
×1
+7ft-13ft

Overall

638

Males

470

M25-29

98

Half→25K

13.1 - 15.5 mi

Top 31%
×2
+48ft-19ft

Overall

611

Males

446

M25-29

98

25K→30K

15.5 - 18.6 mi

Top 40%
×2
+38ft-52ft

Overall

772

Males

537

M25-29

112

30K→35K

18.6 - 21.8 mi

Top 49%
×2
+39ft-39ft

Overall

957

Males

619

M25-29

129

35K→25.2M

21.8 - 25.2 mi

Top 39%
×3
+57ft-58ft

Overall

763

Males

483

M25-29

101

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×1
+17ft-12ft

Overall

492

Males

330

M25-29

80

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
131
Passed By
232
Net Change
-101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#582
5K → 10K2023-3#582#585
10K → 15K454-50#585#635
15K → 20K813-5#635#640
20K → Half100+10#640#630
Half → 25K1910+9#630#621
25K → 30K1631-15#621#636
30K → 35K778-71#636#707
35K → 25.2M2722+5#707#702
25.2M → Finish201+19#702#683
TOTALS131232-101
📊

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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