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SHAMROCK MARATHON 2025

Brian Dusek

Bib: 1554•M•Age: 26

Timnath, CO

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0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M25-29)
#0 / 240
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
34:39
3.11 mi
Rank: #1591
Start → 5K
34:39 | 11:10/mi
10K
1:04:17
6.21 mi
Rank: #1297 (+294)
5K → 10K
29:38 | 9:33/mi
15K
1:35:21
9.32 mi
Rank: #1230 (+67)
10K → 15K
31:04 | 10:00/mi
20K
2:07:00
12.43 mi
Rank: #1221 (+9)
15K → 20K
31:39 | 10:12/mi
Half
2:13:52
13.10 mi
Rank: #1195 (+26)
20K → Half
6:52 | 10:14/mi
25K
2:37:43
15.53 mi
Rank: #1137 (+58)
Half → 25K
23:51 | 9:48/mi
30K
3:05:50
18.64 mi
Rank: #1098 (+39)
25K → 30K
28:07 | 9:03/mi
35K
3:43:09
21.75 mi
Rank: #1064 (+34)
30K → 35K
37:19 | 12:01/mi
25.2M
4:22:01
25.20 mi
Rank: #1053 (+11)
35K → 25.2M
38:52 | 11:16/mi
Finish
4:32:00
26.22 mi
Rank: #1049 (+4)
25.2M → Finish
9:59 | 9:48/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
Time2:13:52
Pace10:14 /mi
2nd Half
Distance13.12 mi
Time2:18:09
Pace10:32 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:17:0734:3911:1034:39
11:10
-
10K
6.21 mi08:46:451:04:1710:2129:38
9:33
-1:37
15K
9.32 mi09:17:491:35:2110:1431:04
10:00
+0:27
20K
12.43 mi09:49:282:07:0010:1431:39
10:12
+0:12
Half
13.10 mi09:56:202:13:5210:146:52
10:14
+0:02
25K
15.53 mi10:20:112:37:4310:1023:51
9:48
-0:26
30K
18.64 mi10:48:183:05:509:5928:07
9:03
-0:45
35K
21.75 mi11:25:373:43:0910:1637:19
12:01
+2:58
25.2M
25.20 mi12:04:294:22:0110:2438:52
11:16
-0:45
Finish
26.22 mi12:14:284:32:0010:239:59
9:48
-1:28

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

9:03 /mi

Average Pace

10:23 /mi

Slowest Pace

12:01 /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

57:45

21% of race

Time at Steady Pace

1:43:25

38% of race

Time at Slower Pace

1:50:50

41% of race

Average Pace: 10:22 /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 mi08:17:0734:3911:1034:39
11:10
#1591
10K
6.21 mi08:46:451:04:1710:2129:38
9:33
#1297
15K
9.32 mi09:17:491:35:2110:1431:04
10:00
#1230
20K
12.43 mi09:49:282:07:0010:1431:39
10:12
#1221
Half
13.10 mi09:56:202:13:5210:146:52
10:14
#1195
25K
15.53 mi10:20:112:37:4310:1023:51
9:48
#1137
30K
18.64 mi10:48:183:05:509:5928:07
9:03
#1098
35K
21.75 mi11:25:373:43:0910:1637:19
12:01
#1064
25.2M
25.20 mi12:04:294:22:0110:2438:52
11:16
#1053
Finish
26.22 mi12:14:284:32:0010:239:59
9:48
#1049
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi159110022091149(Top 59%)777(Top 67%)163(Top 68%)
10K6.21 mi3.10 mi1297+294862+140180+291005(Top 52%)700(Top 61%)152(Top 63%)
15K9.32 mi3.11 mi1230+67826+36174+61149(Top 59%)777(Top 67%)163(Top 68%)
20K12.43 mi3.11 mi1221+9822+4176-21185(Top 61%)800(Top 69%)167(Top 70%)
Half13.10 mi0.67 mi1195+26806+16171+5937(Top 48%)657(Top 57%)138(Top 57%)
25K15.53 mi2.43 mi1137+58773+33165+6859(Top 44%)608(Top 53%)131(Top 55%)
30K18.64 mi3.11 mi1098+39741+32155+10957(Top 49%)646(Top 56%)133(Top 55%)
35K21.75 mi3.11 mi1064+34714+27149+6911(Top 47%)592(Top 51%)123(Top 51%)
25.2M25.20 mi3.45 mi1053+11699+15145+4980(Top 50%)598(Top 52%)128(Top 53%)
Finish26.22 mi1.02 mi1049+4693+6143+2880(Top 45%)555(Top 48%)119(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×1
+26ft-31ft

Overall

1149

Males

777

M25-29

163

5K→10K

3.1 - 6.2 mi

Top 52%
×2
+38ft-17ft

Overall

1005

Males

700

M25-29

152

10K→15K

6.2 - 9.3 mi

Top 59%
×2
+26ft-44ft

Overall

1149

Males

777

M25-29

163

15K→20K

9.3 - 12.4 mi

Top 61%
×1
+35ft-22ft

Overall

1185

Males

800

M25-29

167

20K→Half

12.4 - 13.1 mi

Top 48%
×1
+7ft-13ft

Overall

937

Males

657

M25-29

138

Half→25K

13.1 - 15.5 mi

Top 44%
×2
+48ft-19ft

Overall

859

Males

608

M25-29

131

25K→30K

15.5 - 18.6 mi

Top 49%
×2
+38ft-52ft

Overall

957

Males

646

M25-29

133

30K→35K

18.6 - 21.8 mi

Top 47%
×2
+39ft-39ft

Overall

911

Males

592

M25-29

123

35K→25.2M

21.8 - 25.2 mi

Top 50%
×3
+57ft-58ft

Overall

980

Males

598

M25-29

128

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×1
+17ft-12ft

Overall

880

Males

555

M25-29

119

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
605
Passed By
63
Net Change
+542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1591
5K → 10K2940+294#1591#1297
10K → 15K670+67#1297#1230
15K → 20K2112+9#1230#1221
20K → Half260+26#1221#1195
Half → 25K624+58#1195#1137
25K → 30K456+39#1137#1098
30K → 35K5117+34#1098#1064
35K → 25.2M3019+11#1064#1053
25.2M → Finish95+4#1053#1049
TOTALS60563+542
📊

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