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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Andrew Hackman

Bib: 717 •M •Age: 45

Alexandria, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 10%
Gender (Male)
#0 / 1153
Top 13%
Masters (Masters Men)
#0 / 398
Top 11%
Age Group (M45-49)
Official
#0 / 89
Calculated (M45-49)
#0 / 89
Top 16%
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
23:05
3.11 mi
Rank: #187
Start → 5K
23:05 | 7:26/mi
10K
46:31
6.21 mi
Rank: #190 (-3)
5K → 10K
23:26 | 7:33/mi
15K
1:10:05
9.32 mi
Rank: #203 (-13)
10K → 15K
23:34 | 7:36/mi
20K
1:33:28
12.43 mi
Rank: #199 (+4)
15K → 20K
23:23 | 7:32/mi
Half
1:38:51
13.10 mi
Rank: #196 (+3)
20K → Half
5:23 | 8:02/mi
25K
1:57:43
15.53 mi
Rank: #215 (-19)
Half → 25K
18:52 | 7:45/mi
30K
2:19:02
18.64 mi
Rank: #207 (+8)
25K → 30K
21:19 | 6:52/mi
35K
2:46:37
21.75 mi
Rank: #197 (+10)
30K → 35K
27:35 | 8:53/mi
25.2M
3:16:21
25.20 mi
Rank: #198 (-1)
35K → 25.2M
29:44 | 8:37/mi
Finish
3:24:36
26.22 mi
Rank: #195 (+3)
25.2M → Finish
8:15 | 8:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:38:51
Pace7:33 /mi
2nd Half
Distance13.12 mi
Time1:45:46
Pace8:04 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:57:1023:057:2623:05
7:26
-
10K
6.21 mi08:20:3646:317:3023:26
7:33
+0:07
15K
9.32 mi08:44:101:10:057:3223:34
7:36
+0:03
20K
12.43 mi09:07:331:33:287:3223:23
7:32
-0:04
Half
13.10 mi09:12:561:38:517:335:23
8:02
+0:30
25K
15.53 mi09:31:481:57:437:3518:52
7:45
-0:17
30K
18.64 mi09:53:072:19:027:2821:19
6:52
-0:53
35K
21.75 mi10:20:422:46:377:4027:35
8:53
+2:01
25.2M
25.20 mi10:50:263:16:217:4829:44
8:37
-0:16
Finish
26.22 mi10:58:413:24:367:498:15
8:06
-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

6:52 /mi

Average Pace

7:49 /mi

Slowest Pace

8:53 /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

44:24

22% of race

Time at Steady Pace

1:29:15

44% of race

Time at Slower Pace

1:10:57

35% of race

Average Pace: 7:48 /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 mi07:57:1023:057:2623:05
7:26
#187
10K
6.21 mi08:20:3646:317:3023:26
7:33
#190
15K
9.32 mi08:44:101:10:057:3223:34
7:36
#203
20K
12.43 mi09:07:331:33:287:3223:23
7:32
#199
Half
13.10 mi09:12:561:38:517:335:23
8:02
#196
25K
15.53 mi09:31:481:57:437:3518:52
7:45
#215
30K
18.64 mi09:53:072:19:027:2821:19
6:52
#207
35K
21.75 mi10:20:422:46:377:4027:35
8:53
#197
25.2M
25.20 mi10:50:263:16:217:4829:44
8:37
#198
Finish
26.22 mi10:58:413:24:367:498:15
8:06
#195
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18715515222(Top 11%)179(Top 16%)15(Top 17%)
10K6.21 mi3.10 mi190-315515203(Top 10%)160(Top 14%)15(Top 17%)
15K9.32 mi3.11 mi203-13164-915222(Top 11%)179(Top 16%)15(Top 17%)
20K12.43 mi3.11 mi199+4162+215215(Top 11%)173(Top 15%)14(Top 16%)
Half13.10 mi0.67 mi196+3159+314+1211(Top 11%)173(Top 15%)14(Top 16%)
25K15.53 mi2.43 mi215-19171-1214208(Top 11%)164(Top 14%)15(Top 17%)
30K18.64 mi3.11 mi207+8164+714213(Top 11%)160(Top 14%)14(Top 16%)
35K21.75 mi3.11 mi197+10153+1114203(Top 10%)151(Top 13%)13(Top 15%)
25.2M25.20 mi3.45 mi198-1151+214289(Top 15%)209(Top 18%)20(Top 22%)
Finish26.22 mi1.02 mi195+3148+314309(Top 16%)220(Top 19%)21(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×1
+26ft-31ft

Overall

222

Males

179

M45-49

15

5K→10K

3.1 - 6.2 mi

Top 10%
×2
+38ft-17ft

Overall

203

Males

160

M45-49

15

10K→15K

6.2 - 9.3 mi

Top 11%
×2
+26ft-44ft

Overall

222

Males

179

M45-49

15

15K→20K

9.3 - 12.4 mi

Top 11%
×1
+35ft-22ft

Overall

215

Males

173

M45-49

14

20K→Half

12.4 - 13.1 mi

Top 11%
×1
+7ft-13ft

Overall

211

Males

173

M45-49

14

Half→25K

13.1 - 15.5 mi

Top 11%
×2
+48ft-19ft

Overall

208

Males

164

M45-49

15

25K→30K

15.5 - 18.6 mi

Top 11%
×2
+38ft-52ft

Overall

213

Males

160

M45-49

14

30K→35K

18.6 - 21.8 mi

Top 10%
×2
+39ft-39ft

Overall

203

Males

151

M45-49

13

35K→25.2M

21.8 - 25.2 mi

Top 15%
×3
+57ft-58ft

Overall

289

Males

209

M45-49

20

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×1
+17ft-12ft

Overall

309

Males

220

M45-49

21

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
60
Passed By
68
Net Change
-8
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#187
5K → 10K69-3#187#190
10K → 15K215-13#190#203
15K → 20K73+4#203#199
20K → Half30+3#199#196
Half → 25K625-19#196#215
25K → 30K102+8#215#207
30K → 35K133+10#207#197
35K → 25.2M1011-1#197#198
25.2M → Finish30+3#198#195
TOTALS6068-8
📊

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

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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