All Results|Race Analytics|Course|Contact

Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Brandon Zimmerly

Bib: 9 •M •Age: 29

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 1949
Top 14%
Gender (Male)
#0 / 1153
Top 18%
Age Group (M25-29)
#0 / 240
Top 19%
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
23:41
3.11 mi
Rank: #252
Start → 5K
23:41 | 7:38/mi
10K
47:12
6.21 mi
Rank: #236 (+16)
5K → 10K
23:31 | 7:35/mi
15K
1:11:01
9.32 mi
Rank: #237 (-1)
10K → 15K
23:49 | 7:40/mi
20K
1:35:03
12.43 mi
Rank: #247 (-10)
15K → 20K
24:02 | 7:45/mi
Half
1:40:40
13.10 mi
Rank: #246 (+1)
20K → Half
5:37 | 8:23/mi
25K
2:00:57
15.53 mi
Rank: #253 (-7)
Half → 25K
20:17 | 8:20/mi
30K
2:23:38
18.64 mi
Rank: #259 (-6)
25K → 30K
22:41 | 7:19/mi
35K
2:53:26
21.75 mi
Rank: #261 (-2)
30K → 35K
29:48 | 9:36/mi
25.2M
3:24:04
25.20 mi
Rank: #273 (-12)
35K → 25.2M
30:38 | 8:53/mi
Finish
3:32:35
26.22 mi
Rank: #271 (+2)
25.2M → Finish
8:31 | 8:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:40:40
Pace7:42 /mi
2nd Half
Distance13.12 mi
Time1:51:56
Pace8:32 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:54:0523:417:3823:41
7:38
-
10K
6.21 mi08:17:3647:127:3623:31
7:35
-0:03
15K
9.32 mi08:41:251:11:017:3823:49
7:40
+0:05
20K
12.43 mi09:05:271:35:037:3924:02
7:45
+0:05
Half
13.10 mi09:11:041:40:407:425:37
8:23
+0:38
25K
15.53 mi09:31:212:00:577:4820:17
8:20
-0:03
30K
18.64 mi09:54:022:23:387:4322:41
7:19
-1:01
35K
21.75 mi10:23:502:53:267:5929:48
9:36
+2:17
25.2M
25.20 mi10:54:283:24:048:0630:38
8:53
-0:43
Finish
26.22 mi11:02:593:32:358:078:31
8:22
-0:31

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

7:19 /mi

Average Pace

8:07 /mi

Slowest Pace

9:36 /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

1:57:44

55% of race

Time at Steady Pace

34:25

16% of race

Time at Slower Pace

1:00:26

28% of race

Average Pace: 8:06 /mi

Loading chart...
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 mi07:54:0523:417:3823:41
7:38
#252
10K
6.21 mi08:17:3647:127:3623:31
7:35
#236
15K
9.32 mi08:41:251:11:017:3823:49
7:40
#237
20K
12.43 mi09:05:271:35:037:3924:02
7:45
#247
Half
13.10 mi09:11:041:40:407:425:37
8:23
#246
25K
15.53 mi09:31:212:00:577:4820:17
8:20
#253
30K
18.64 mi09:54:022:23:387:4322:41
7:19
#259
35K
21.75 mi10:23:502:53:267:5929:48
9:36
#261
25.2M
25.20 mi10:54:283:24:048:0630:38
8:53
#273
Finish
26.22 mi11:02:593:32:358:078:31
8:22
#271
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 mi25219841245(Top 13%)196(Top 17%)42(Top 18%)
10K6.21 mi3.10 mi236+16186+1241207(Top 11%)164(Top 14%)40(Top 17%)
15K9.32 mi3.11 mi237-1188-241245(Top 13%)196(Top 17%)42(Top 18%)
20K12.43 mi3.11 mi247-10197-943-2263(Top 13%)208(Top 18%)47(Top 20%)
Half13.10 mi0.67 mi246+1196+142+1272(Top 14%)211(Top 18%)46(Top 19%)
25K15.53 mi2.43 mi253-7200-444-2352(Top 18%)269(Top 23%)57(Top 24%)
30K18.64 mi3.11 mi259-6204-447-3325(Top 17%)250(Top 22%)56(Top 23%)
35K21.75 mi3.11 mi261-2199+544+3329(Top 17%)238(Top 21%)52(Top 22%)
25.2M25.20 mi3.45 mi273-12210-1147-3335(Top 17%)235(Top 20%)56(Top 23%)
Finish26.22 mi1.02 mi271+2208+245+2380(Top 19%)258(Top 22%)64(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×1
+26ft-31ft

Overall

245

Males

196

M25-29

42

5K→10K

3.1 - 6.2 mi

Top 11%
×2
+38ft-17ft

Overall

207

Males

164

M25-29

40

10K→15K

6.2 - 9.3 mi

Top 13%
×2
+26ft-44ft

Overall

245

Males

196

M25-29

42

15K→20K

9.3 - 12.4 mi

Top 13%
×1
+35ft-22ft

Overall

263

Males

208

M25-29

47

20K→Half

12.4 - 13.1 mi

Top 14%
×1
+7ft-13ft

Overall

272

Males

211

M25-29

46

Half→25K

13.1 - 15.5 mi

Top 18%
×2
+48ft-19ft

Overall

352

Males

269

M25-29

57

25K→30K

15.5 - 18.6 mi

Top 17%
×2
+38ft-52ft

Overall

325

Males

250

M25-29

56

30K→35K

18.6 - 21.8 mi

Top 17%
×2
+39ft-39ft

Overall

329

Males

238

M25-29

52

35K→25.2M

21.8 - 25.2 mi

Top 17%
×3
+57ft-58ft

Overall

335

Males

235

M25-29

56

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×1
+17ft-12ft

Overall

380

Males

258

M25-29

64

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
58
Passed By
77
Net Change
-19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#252
5K → 10K171+16#252#236
10K → 15K23-1#236#237
15K → 20K111-10#237#247
20K → Half21+1#247#246
Half → 25K18-7#246#253
25K → 30K612-6#253#259
30K → 35K1618-2#259#261
35K → 25.2M1022-12#261#273
25.2M → Finish31+2#273#271
TOTALS5877-19
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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
Loading certificate...

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
Share Feedback