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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Russell Williams

Bib: 757 •M •Age: 30

Richmond, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 22%
Gender (Male)
#0 / 1153
Top 27%
Age Group (M30-34)
#0 / 185
Top 28%
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
24:17
3.11 mi
Rank: #282
Start → 5K
24:17 | 7:49/mi
10K
48:47
6.21 mi
Rank: #286 (-4)
5K → 10K
24:30 | 7:54/mi
15K
1:13:36
9.32 mi
Rank: #297 (-11)
10K → 15K
24:49 | 8:00/mi
20K
1:38:55
12.43 mi
Rank: #314 (-17)
15K → 20K
25:19 | 8:09/mi
Half
1:44:46
13.10 mi
Rank: #319 (-5)
20K → Half
5:51 | 8:44/mi
25K
2:04:32
15.53 mi
Rank: #313 (+6)
Half → 25K
19:46 | 8:07/mi
30K
2:28:55
18.64 mi
Rank: #349 (-36)
25K → 30K
24:23 | 7:51/mi
35K
3:03:41
21.75 mi
Rank: #395 (-46)
30K → 35K
34:46 | 11:12/mi
25.2M
3:37:27
25.20 mi
Rank: #411 (-16)
35K → 25.2M
33:46 | 9:47/mi
Finish
3:46:57
26.22 mi
Rank: #426 (-15)
25.2M → Finish
9:30 | 9:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:44:46
Pace8:00 /mi
2nd Half
Distance13.12 mi
Time2:02:12
Pace9:19 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:3024:177:4924:17
7:49
-
10K
6.21 mi08:21:0048:477:5224:30
7:54
+0:05
15K
9.32 mi08:45:491:13:367:5424:49
8:00
+0:06
20K
12.43 mi09:11:081:38:557:5825:19
8:09
+0:09
Half
13.10 mi09:16:591:44:468:005:51
8:44
+0:35
25K
15.53 mi09:36:452:04:328:0219:46
8:07
-0:37
30K
18.64 mi10:01:082:28:558:0024:23
7:51
-0:16
35K
21.75 mi10:35:543:03:418:2734:46
11:12
+3:21
25.2M
25.20 mi11:09:403:37:278:3833:46
9:47
-1:25
Finish
26.22 mi11:19:103:46:578:409:30
9:20
-0:27

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

7:49 /mi

Average Pace

8:40 /mi

Slowest Pace

11:12 /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

2:23:04

63% of race

Time at Slower Pace

1:23:53

37% of race

Average Pace: 8:39 /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 mi07:56:3024:177:4924:17
7:49
#282
10K
6.21 mi08:21:0048:477:5224:30
7:54
#286
15K
9.32 mi08:45:491:13:367:5424:49
8:00
#297
20K
12.43 mi09:11:081:38:557:5825:19
8:09
#314
Half
13.10 mi09:16:591:44:468:005:51
8:44
#319
25K
15.53 mi09:36:452:04:328:0219:46
8:07
#313
30K
18.64 mi10:01:082:28:558:0024:23
7:51
#349
35K
21.75 mi10:35:543:03:418:2734:46
11:12
#395
25.2M
25.20 mi11:09:403:37:278:3833:46
9:47
#411
Finish
26.22 mi11:19:103:46:578:409:30
9:20
#426
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi28221843330(Top 17%)257(Top 22%)43(Top 23%)
10K6.21 mi3.10 mi286-4223-541+2289(Top 15%)226(Top 20%)41(Top 22%)
15K9.32 mi3.11 mi297-11231-842-1330(Top 17%)257(Top 22%)43(Top 23%)
20K12.43 mi3.11 mi314-17242-1143-1401(Top 21%)309(Top 27%)53(Top 29%)
Half13.10 mi0.67 mi319-5246-444-1391(Top 20%)303(Top 26%)51(Top 28%)
25K15.53 mi2.43 mi313+6243+345-1297(Top 15%)229(Top 20%)41(Top 22%)
30K18.64 mi3.11 mi349-36271-2848-3513(Top 26%)375(Top 33%)62(Top 34%)
35K21.75 mi3.11 mi395-46299-2851-3699(Top 36%)468(Top 41%)75(Top 41%)
25.2M25.20 mi3.45 mi411-16306-751565(Top 29%)374(Top 32%)58(Top 31%)
Finish26.22 mi1.02 mi426-15316-1051693(Top 36%)441(Top 38%)72(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×1
+26ft-31ft

Overall

330

Males

257

M30-34

43

5K→10K

3.1 - 6.2 mi

Top 15%
×2
+38ft-17ft

Overall

289

Males

226

M30-34

41

10K→15K

6.2 - 9.3 mi

Top 17%
×2
+26ft-44ft

Overall

330

Males

257

M30-34

43

15K→20K

9.3 - 12.4 mi

Top 21%
×1
+35ft-22ft

Overall

401

Males

309

M30-34

53

20K→Half

12.4 - 13.1 mi

Top 20%
×1
+7ft-13ft

Overall

391

Males

303

M30-34

51

Half→25K

13.1 - 15.5 mi

Top 15%
×2
+48ft-19ft

Overall

297

Males

229

M30-34

41

25K→30K

15.5 - 18.6 mi

Top 26%
×2
+38ft-52ft

Overall

513

Males

375

M30-34

62

30K→35K

18.6 - 21.8 mi

Top 36%
×2
+39ft-39ft

Overall

699

Males

468

M30-34

75

35K→25.2M

21.8 - 25.2 mi

Top 29%
×3
+57ft-58ft

Overall

565

Males

374

M30-34

58

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×1
+17ft-12ft

Overall

693

Males

441

M30-34

72

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
36
Passed By
180
Net Change
-144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#282
5K → 10K812-4#282#286
10K → 15K314-11#286#297
15K → 20K017-17#297#314
20K → Half38-5#314#319
Half → 25K115+6#319#313
25K → 30K036-36#313#349
30K → 35K349-46#349#395
35K → 25.2M824-16#395#411
25.2M → Finish015-15#411#426
TOTALS36180-144
📊

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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