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SHAMROCK MARATHON 2025

Roman Kastin

Bib: 160•M•Age: 46

Clarksburg, MD

Masters
Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 17%
Gender (Male)
#0 / 1153
Top 22%
Masters (Masters Men)
#0 / 398
Top 20%
Age Group (M45-49)
Official
#0 / 89
Calculated (M45-49)
#0 / 89
Top 26%
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· 3.11 mi
24:42
Rank: #325
Start → 5K
24:42 | 7:58/mi
10K· 6.21 mi
49:26
Rank: #320 (+5)
5K → 10K
24:44 | 7:58/mi
15K· 9.32 mi
1:13:46
Rank: #303 (+17)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:38:05
Rank: #295 (+8)
15K → 20K
24:19 | 7:50/mi
Half· 13.10 mi
1:43:40
Rank: #294 (+1)
20K → Half
5:35 | 8:20/mi
25K· 15.53 mi
2:03:47
Rank: #300 (-6)
Half → 25K
20:07 | 8:16/mi
30K· 18.64 mi
2:28:10
Rank: #341 (-41)
25K → 30K
24:23 | 7:51/mi
35K· 21.75 mi
2:59:39
Rank: #355 (-14)
30K → 35K
31:29 | 10:09/mi
25.2M
3:30:28
Rank: #340 (+15)
35K → 25.2M
30:49 | 8:56/mi
Finish· 26.22 mi
3:37:57
Rank: #328 (+12)
25.2M → Finish
7:29 | 7:21/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:43:40
Pace7:55 /mi
2nd Half
Distance13.12 mi
Time1:54:17
Pace8:43 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:55:1124:427:5824:42
7:58
-
10K
6.21 mi08:19:5549:267:5824:44
7:58
0:00
15K
9.32 mi08:44:151:13:467:5524:20
7:50
-0:08
20K
12.43 mi09:08:341:38:057:5424:19
7:50
0:00
Half
13.10 mi09:14:091:43:407:555:35
8:20
+0:30
25K
15.53 mi09:34:162:03:477:5920:07
8:16
-0:04
30K
18.64 mi09:58:392:28:107:5724:23
7:51
-0:25
35K
21.75 mi10:30:082:59:398:1631:29
10:09
+2:18
25.2M
25.20 mi11:00:573:30:288:2230:49
8:56
-1:13
Finish
26.22 mi11:08:263:37:578:207:29
7:21
-1:35

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

7:21 /mi

Average Pace

8:19 /mi

Slowest Pace

10:09 /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

7:29

3% of race

Time at Steady Pace

2:28:10

68% of race

Time at Slower Pace

1:02:18

29% of race

Average Pace: 8:19 /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 mi07:55:1124:427:5824:42
7:58
#325
10K
6.21 mi08:19:5549:267:5824:44
7:58
#320
15K
9.32 mi08:44:151:13:467:5524:20
7:50
#303
20K
12.43 mi09:08:341:38:057:5424:19
7:50
#295
Half
13.10 mi09:14:091:43:407:555:35
8:20
#294
25K
15.53 mi09:34:162:03:477:5920:07
8:16
#300
30K
18.64 mi09:58:392:28:107:5724:23
7:51
#341
35K
21.75 mi10:30:082:59:398:1631:29
10:09
#355
25.2M
25.20 mi11:00:573:30:288:2230:49
8:56
#340
Finish
26.22 mi11:08:263:37:578:207:29
7:21
#328
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 mi32524924283(Top 15%)219(Top 19%)19(Top 21%)
10K6.21 mi3.10 mi320+5245+422+2314(Top 16%)245(Top 21%)21(Top 24%)
15K9.32 mi3.11 mi303+17233+1220+2283(Top 15%)219(Top 19%)19(Top 21%)
20K12.43 mi3.11 mi295+8228+519+1291(Top 15%)228(Top 20%)19(Top 21%)
Half13.10 mi0.67 mi294+1226+220-1261(Top 13%)205(Top 18%)18(Top 20%)
25K15.53 mi2.43 mi300-6232-620339(Top 17%)260(Top 23%)20(Top 22%)
30K18.64 mi3.11 mi341-41265-3321-1510(Top 26%)372(Top 32%)32(Top 36%)
35K21.75 mi3.11 mi355-14273-823-2470(Top 24%)328(Top 28%)29(Top 33%)
25.2M25.20 mi3.45 mi340+15258+1524-1358(Top 18%)249(Top 22%)23(Top 26%)
Finish26.22 mi1.02 mi328+12248+1023+1135(Top 7%)109(Top 9%)11(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×1story
+26ft-31ft

Overall

283

Males

219

M45-49

19

5K→10K

3.1 - 6.2 mi

Top 16%
×2stories
+38ft-17ft

Overall

314

Males

245

M45-49

21

10K→15K

6.2 - 9.3 mi

Top 15%
×2stories
+26ft-44ft

Overall

283

Males

219

M45-49

19

15K→20K

9.3 - 12.4 mi

Top 15%
×1story
+35ft-22ft

Overall

291

Males

228

M45-49

19

20K→Half

12.4 - 13.1 mi

Top 13%
×1human
+7ft-13ft

Overall

261

Males

205

M45-49

18

Half→25K

13.1 - 15.5 mi

Top 17%
×2stories
+48ft-19ft

Overall

339

Males

260

M45-49

20

25K→30K

15.5 - 18.6 mi

Top 26%
×2stories
+38ft-52ft

Overall

510

Males

372

M45-49

32

30K→35K

18.6 - 21.8 mi

Top 24%
×2humans
+39ft-39ft

Overall

470

Males

328

M45-49

29

35K→25.2M

21.8 - 25.2 mi

Top 18%
×3stories
+57ft-58ft

Overall

358

Males

249

M45-49

23

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×1human
+17ft-12ft

Overall

135

Males

109

M45-49

11

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
84
Passed By
87
Net Change
-3
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#325
5K → 10K116+5#325#320
10K → 15K170+17#320#303
15K → 20K80+8#303#295
20K → Half43+1#295#294
Half → 25K39-6#294#300
25K → 30K243-41#300#341
30K → 35K822-14#341#355
35K → 25.2M194+15#355#340
25.2M → Finish120+12#340#328
TOTALS8487-3
📊

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

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🏆 Finisher Certificate
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Activity Data

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management