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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

David Orme

Bib: 105 •M •Age: 37

Chesapeake, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 33%
Gender (Male)
#0 / 1153
Top 40%
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
Top 37%
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
25:59
3.11 mi
Rank: #471
Start → 5K
25:59 | 8:22/mi
10K
51:16
6.21 mi
Rank: #425 (+46)
5K → 10K
25:17 | 8:09/mi
15K
1:16:06
9.32 mi
Rank: #395 (+30)
10K → 15K
24:50 | 8:00/mi
20K
1:42:50
12.43 mi
Rank: #429 (-34)
15K → 20K
26:44 | 8:37/mi
Half
1:48:43
13.10 mi
Rank: #420 (+9)
20K → Half
5:53 | 8:47/mi
25K
2:11:04
15.53 mi
Rank: #450 (-30)
Half → 25K
22:21 | 9:11/mi
30K
2:39:08
18.64 mi
Rank: #527 (-77)
25K → 30K
28:04 | 9:03/mi
35K
3:16:54
21.75 mi
Rank: #622 (-95)
30K → 35K
37:46 | 12:10/mi
25.2M
3:53:49
25.20 mi
Rank: #656 (-34)
35K → 25.2M
36:55 | 10:42/mi
Finish
4:03:26
26.22 mi
Rank: #651 (+5)
25.2M → Finish
9:37 | 9:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:48:43
Pace8:18 /mi
2nd Half
Distance13.12 mi
Time2:14:43
Pace10:17 /mi
📊Positive Split: 23.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:3225:598:2225:59
8:22
-
10K
6.21 mi08:21:4951:168:1625:17
8:09
-0:13
15K
9.32 mi08:46:391:16:068:1024:50
8:00
-0:09
20K
12.43 mi09:13:231:42:508:1726:44
8:37
+0:37
Half
13.10 mi09:19:161:48:438:185:53
8:47
+0:10
25K
15.53 mi09:41:372:11:048:2722:21
9:11
+0:24
30K
18.64 mi10:09:412:39:088:3328:04
9:03
-0:08
35K
21.75 mi10:47:273:16:549:0437:46
12:10
+3:07
25.2M
25.20 mi11:24:223:53:499:1736:55
10:42
-1:28
Finish
26.22 mi11:33:594:03:269:189:37
9:27
-1:15

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

8:00 /mi

Average Pace

9:17 /mi

Slowest Pace

12:10 /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

1:16:06

31% of race

Time at Steady Pace

1:32:39

38% of race

Time at Slower Pace

1:14:41

31% of race

Average Pace: 9:17 /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 mi07:56:3225:598:2225:59
8:22
#471
10K
6.21 mi08:21:4951:168:1625:17
8:09
#425
15K
9.32 mi08:46:391:16:068:1024:50
8:00
#395
20K
12.43 mi09:13:231:42:508:1726:44
8:37
#429
Half
13.10 mi09:19:161:48:438:185:53
8:47
#420
25K
15.53 mi09:41:372:11:048:2722:21
9:11
#450
30K
18.64 mi10:09:412:39:088:3328:04
9:03
#527
35K
21.75 mi10:47:273:16:549:0437:46
12:10
#622
25.2M
25.20 mi11:24:223:53:499:1736:55
10:42
#656
Finish
26.22 mi11:33:594:03:269:189:37
9:27
#651
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi47135462340(Top 17%)262(Top 23%)44(Top 25%)
10K6.21 mi3.10 mi425+46323+3158+4402(Top 21%)313(Top 27%)57(Top 32%)
15K9.32 mi3.11 mi395+30304+1956+2340(Top 17%)262(Top 23%)44(Top 25%)
20K12.43 mi3.11 mi429-34332-2856557(Top 29%)413(Top 36%)68(Top 38%)
Half13.10 mi0.67 mi420+9324+854+2407(Top 21%)313(Top 27%)51(Top 29%)
25K15.53 mi2.43 mi450-30344-2057-3654(Top 34%)471(Top 41%)72(Top 40%)
30K18.64 mi3.11 mi527-77391-4763-6952(Top 49%)644(Top 56%)97(Top 54%)
35K21.75 mi3.11 mi622-95447-5667-4948(Top 49%)611(Top 53%)88(Top 49%)
25.2M25.20 mi3.45 mi656-34463-1666+1818(Top 42%)508(Top 44%)72(Top 40%)
Finish26.22 mi1.02 mi651+5458+566746(Top 38%)476(Top 41%)67(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×1
+26ft-31ft

Overall

340

Males

262

M35-39

44

5K→10K

3.1 - 6.2 mi

Top 21%
×2
+38ft-17ft

Overall

402

Males

313

M35-39

57

10K→15K

6.2 - 9.3 mi

Top 17%
×2
+26ft-44ft

Overall

340

Males

262

M35-39

44

15K→20K

9.3 - 12.4 mi

Top 29%
×1
+35ft-22ft

Overall

557

Males

413

M35-39

68

20K→Half

12.4 - 13.1 mi

Top 21%
×1
+7ft-13ft

Overall

407

Males

313

M35-39

51

Half→25K

13.1 - 15.5 mi

Top 34%
×2
+48ft-19ft

Overall

654

Males

471

M35-39

72

25K→30K

15.5 - 18.6 mi

Top 49%
×2
+38ft-52ft

Overall

952

Males

644

M35-39

97

30K→35K

18.6 - 21.8 mi

Top 49%
×2
+39ft-39ft

Overall

948

Males

611

M35-39

88

35K→25.2M

21.8 - 25.2 mi

Top 42%
×3
+57ft-58ft

Overall

818

Males

508

M35-39

72

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×1
+17ft-12ft

Overall

746

Males

476

M35-39

67

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
122
Passed By
302
Net Change
-180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#471
5K → 10K493+46#471#425
10K → 15K300+30#425#395
15K → 20K135-34#395#429
20K → Half101+9#429#420
Half → 25K535-30#420#450
25K → 30K380-77#450#527
30K → 35K6101-95#527#622
35K → 25.2M1145-34#622#656
25.2M → Finish72+5#656#651
TOTALS122302-180
📊

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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