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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Alan Helberg

Bib: 460 •M •Age: 36

Virginia Bch, 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
33:33
3.11 mi
Rank: #1476
Start → 5K
33:33 | 10:48/mi
10K
1:03:49
6.21 mi
Rank: #1258 (+218)
5K → 10K
30:16 | 9:45/mi
15K
1:35:41
9.32 mi
Rank: #1237 (+21)
10K → 15K
31:52 | 10:16/mi
20K
2:09:22
12.43 mi
Rank: #1302 (-65)
15K → 20K
33:41 | 10:51/mi
Half
2:17:36
13.10 mi
Rank: #1317 (-15)
20K → Half
8:14 | 12:17/mi
25K
2:50:32
15.53 mi
Rank: #1409 (-92)
Half → 25K
32:56 | 13:32/mi
30K
3:31:20
18.64 mi
Rank: #1537 (-128)
25K → 30K
40:48 | 13:08/mi
35K
4:27:23
21.75 mi
Rank: #1624 (-87)
30K → 35K
56:03 | 18:03/mi
25.2M
5:22:32
25.20 mi
Rank: #1665 (-41)
35K → 25.2M
55:09 | 15:59/mi
Finish
5:35:15
26.22 mi
Rank: #1664 (+1)
25.2M → Finish
12:43 | 12:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:17:36
Pace10:31 /mi
2nd Half
Distance13.12 mi
Time3:17:39
Pace15:04 /mi
📊Positive Split: 43.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:16:1833:3310:4833:33
10:48
-
10K
6.21 mi08:46:341:03:4910:1730:16
9:45
-1:03
15K
9.32 mi09:18:261:35:4110:1631:52
10:16
+0:31
20K
12.43 mi09:52:072:09:2210:2533:41
10:51
+0:35
Half
13.10 mi10:00:212:17:3610:318:14
12:17
+1:26
25K
15.53 mi10:33:172:50:3210:5932:56
13:32
+1:15
30K
18.64 mi11:14:053:31:2011:2140:48
13:08
-0:24
35K
21.75 mi12:10:084:27:2312:1856:03
18:03
+4:55
25.2M
25.20 mi13:05:175:22:3212:4855:09
15:59
-2:04
Finish
26.22 mi13:18:005:35:1512:4812:43
12:29
-3:30

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

9:45 /mi

Average Pace

12:48 /mi

Slowest Pace

18:03 /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

2:09:22

39% of race

Time at Steady Pace

1:34:41

28% of race

Time at Slower Pace

1:51:12

33% of race

Average Pace: 12:47 /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 mi08:16:1833:3310:4833:33
10:48
#1476
10K
6.21 mi08:46:341:03:4910:1730:16
9:45
#1258
15K
9.32 mi09:18:261:35:4110:1631:52
10:16
#1237
20K
12.43 mi09:52:072:09:2210:2533:41
10:51
#1302
Half
13.10 mi10:00:212:17:3610:318:14
12:17
#1317
25K
15.53 mi10:33:172:50:3210:5932:56
13:32
#1409
30K
18.64 mi11:14:053:31:2011:2140:48
13:08
#1537
35K
21.75 mi12:10:084:27:2312:1856:03
18:03
#1624
25.2M
25.20 mi13:05:175:22:3212:4855:09
15:59
#1665
Finish
26.22 mi13:18:005:35:1512:4812:43
12:29
#1664
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 mi14769461491228(Top 63%)827(Top 72%)131(Top 74%)
10K6.21 mi3.10 mi1258+218838+108136+131065(Top 55%)737(Top 64%)117(Top 66%)
15K9.32 mi3.11 mi1237+21829+9134+21228(Top 63%)827(Top 72%)131(Top 74%)
20K12.43 mi3.11 mi1302-65858-29139-51400(Top 72%)902(Top 78%)141(Top 79%)
Half13.10 mi0.67 mi1317-15862-41391564(Top 80%)982(Top 85%)152(Top 85%)
25K15.53 mi2.43 mi1409-92907-45146-71706(Top 88%)1039(Top 90%)162(Top 91%)
30K18.64 mi3.11 mi1537-128975-68156-101786(Top 92%)1077(Top 93%)169(Top 95%)
35K21.75 mi3.11 mi1624-871010-35158-21831(Top 94%)1087(Top 94%)171(Top 96%)
25.2M25.20 mi3.45 mi1665-411026-16161-31824(Top 94%)1082(Top 94%)170(Top 96%)
Finish26.22 mi1.02 mi1664+110261611599(Top 82%)958(Top 83%)155(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×1
+26ft-31ft

Overall

1228

Males

827

M35-39

131

5K→10K

3.1 - 6.2 mi

Top 55%
×2
+38ft-17ft

Overall

1065

Males

737

M35-39

117

10K→15K

6.2 - 9.3 mi

Top 63%
×2
+26ft-44ft

Overall

1228

Males

827

M35-39

131

15K→20K

9.3 - 12.4 mi

Top 72%
×1
+35ft-22ft

Overall

1400

Males

902

M35-39

141

20K→Half

12.4 - 13.1 mi

Top 80%
×1
+7ft-13ft

Overall

1564

Males

982

M35-39

152

Half→25K

13.1 - 15.5 mi

Top 88%
×2
+48ft-19ft

Overall

1706

Males

1039

M35-39

162

25K→30K

15.5 - 18.6 mi

Top 92%
×2
+38ft-52ft

Overall

1786

Males

1077

M35-39

169

30K→35K

18.6 - 21.8 mi

Top 94%
×2
+39ft-39ft

Overall

1831

Males

1087

M35-39

171

35K→25.2M

21.8 - 25.2 mi

Top 94%
×3
+57ft-58ft

Overall

1824

Males

1082

M35-39

170

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×1
+17ft-12ft

Overall

1599

Males

958

M35-39

155

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
273*
Passed By
461
Net Change
-188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1476
5K → 10K219*1+218#1476#1258
10K → 15K298+21#1258#1237
15K → 20K570-65#1237#1302
20K → Half823-15#1302#1317
Half → 25K395-92#1317#1409
25K → 30K1129-128#1409#1537
30K → 35K390-87#1537#1624
35K → 25.2M445-41#1624#1665
25.2M → Finish10+1#1665#1664
TOTALS273*461-188

* 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.

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