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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Brandon Lee

Bib: 1387 •M •Age: 39

Annandale, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
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
35:47
3.11 mi
Rank: #1700
Start → 5K
35:47 | 11:32/mi
10K
1:07:02
6.21 mi
Rank: #1453 (+247)
5K → 10K
31:15 | 10:04/mi
15K
1:38:16
9.32 mi
Rank: #1355 (+98)
10K → 15K
31:14 | 10:04/mi
20K
2:07:36
12.43 mi
Rank: #1232 (+123)
15K → 20K
29:20 | 9:27/mi
Half
2:14:29
13.10 mi
Rank: #1214 (+18)
20K → Half
6:53 | 10:16/mi
25K
2:38:00
15.53 mi
Rank: #1141 (+73)
Half → 25K
23:31 | 9:40/mi
30K
3:03:57
18.64 mi
Rank: #1077 (+64)
25K → 30K
25:57 | 8:22/mi
35K
3:38:57
21.75 mi
Rank: #1000 (+77)
30K → 35K
35:00 | 11:16/mi
25.2M
4:18:59
25.20 mi
Rank: #1014 (-14)
35K → 25.2M
40:02 | 11:36/mi
Finish
4:28:40
26.22 mi
Rank: #997 (+17)
25.2M → Finish
9:41 | 9:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.10 mi
Time2:14:29
Pace10:17 /mi
2nd Half⚖️ Balanced
Distance13.12 mi
Time2:14:11
Pace10:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:0935:4711:3235:47
11:32
-
10K
6.21 mi08:49:241:07:0210:4831:15
10:04
-1:28
15K
9.32 mi09:20:381:38:1610:3331:14
10:04
0:00
20K
12.43 mi09:49:582:07:3610:1729:20
9:27
-0:37
Half
13.10 mi09:56:512:14:2910:176:53
10:16
+0:49
25K
15.53 mi10:20:222:38:0010:1123:31
9:40
-0:36
30K
18.64 mi10:46:193:03:579:5325:57
8:22
-1:18
35K
21.75 mi11:21:193:38:5710:0535:00
11:16
+2:54
25.2M
25.20 mi12:01:214:18:5910:1740:02
11:36
+0:20
Finish
26.22 mi12:11:024:28:4010:169:41
9:31
-2:05

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

8:22 /mi

Average Pace

10:15 /mi

Slowest Pace

11:36 /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

1:04:58

24% of race

Time at Steady Pace

1:32:53

35% of race

Time at Slower Pace

1:50:49

41% of race

Average Pace: 10:15 /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 mi08:18:0935:4711:3235:47
11:32
#1700
10K
6.21 mi08:49:241:07:0210:4831:15
10:04
#1453
15K
9.32 mi09:20:381:38:1610:3331:14
10:04
#1355
20K
12.43 mi09:49:582:07:3610:1729:20
9:27
#1232
Half
13.10 mi09:56:512:14:2910:176:53
10:16
#1214
25K
15.53 mi10:20:222:38:0010:1123:31
9:40
#1141
30K
18.64 mi10:46:193:03:579:5325:57
8:22
#1077
35K
21.75 mi11:21:193:38:5710:0535:00
11:16
#1000
25.2M
25.20 mi12:01:214:18:5910:1740:02
11:36
#1014
Finish
26.22 mi12:11:024:28:4010:169:41
9:31
#997
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 mi170010601691165(Top 60%)788(Top 68%)127(Top 71%)
10K6.21 mi3.10 mi1453+247939+121148+211176(Top 60%)797(Top 69%)126(Top 71%)
15K9.32 mi3.11 mi1355+98892+47143+51165(Top 60%)788(Top 68%)127(Top 71%)
20K12.43 mi3.11 mi1232+123829+63134+9923(Top 47%)650(Top 56%)101(Top 57%)
Half13.10 mi0.67 mi1214+18817+12132+2943(Top 48%)660(Top 57%)106(Top 60%)
25K15.53 mi2.43 mi1141+73776+41122+10820(Top 42%)586(Top 51%)92(Top 52%)
30K18.64 mi3.11 mi1077+64729+47114+8714(Top 37%)503(Top 44%)71(Top 40%)
35K21.75 mi3.11 mi1000+77676+53107+7716(Top 37%)479(Top 42%)71(Top 40%)
25.2M25.20 mi3.45 mi1014-14674+21071065(Top 55%)647(Top 56%)100(Top 56%)
Finish26.22 mi1.02 mi997+17661+13106+1774(Top 40%)497(Top 43%)70(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×1
+26ft-31ft

Overall

1165

Males

788

M35-39

127

5K→10K

3.1 - 6.2 mi

Top 60%
×2
+38ft-17ft

Overall

1176

Males

797

M35-39

126

10K→15K

6.2 - 9.3 mi

Top 60%
×2
+26ft-44ft

Overall

1165

Males

788

M35-39

127

15K→20K

9.3 - 12.4 mi

Top 47%
×1
+35ft-22ft

Overall

923

Males

650

M35-39

101

20K→Half

12.4 - 13.1 mi

Top 48%
×1
+7ft-13ft

Overall

943

Males

660

M35-39

106

Half→25K

13.1 - 15.5 mi

Top 42%
×2
+48ft-19ft

Overall

820

Males

586

M35-39

92

25K→30K

15.5 - 18.6 mi

Top 37%
×2
+38ft-52ft

Overall

714

Males

503

M35-39

71

30K→35K

18.6 - 21.8 mi

Top 37%
×2
+39ft-39ft

Overall

716

Males

479

M35-39

71

35K→25.2M

21.8 - 25.2 mi

Top 55%
×3
+57ft-58ft

Overall

1065

Males

647

M35-39

100

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×1
+17ft-12ft

Overall

774

Males

497

M35-39

70

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
750*
Passed By
47
Net Change
+703
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1700
5K → 10K250*3+247#1700#1453
10K → 15K991+98#1453#1355
15K → 20K1230+123#1355#1232
20K → Half191+18#1232#1214
Half → 25K785+73#1214#1141
25K → 30K651+64#1141#1077
30K → 35K836+77#1077#1000
35K → 25.2M1428-14#1000#1014
25.2M → Finish192+17#1014#997
TOTALS750*47+703

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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