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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Tamara Abkes

Bib: 1698 •F •Age: 44

Cedar Rapids, IA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 41%
Gender (Female)
#0 / 791
Top 31%
Masters (Masters Women)
#0 / 277
Top 20%
Age Group (F40-44)
Official
#0 / 100
Calculated (F40-44)
#0 / 100
Top 25%
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
29:11
3.11 mi
Rank: #967
Start → 5K
29:11 | 9:24/mi
10K
58:27
6.21 mi
Rank: #963 (+4)
5K → 10K
29:16 | 9:26/mi
15K
1:27:51
9.32 mi
Rank: #963
10K → 15K
29:24 | 9:28/mi
20K
1:57:28
12.43 mi
Rank: #960 (+3)
15K → 20K
29:37 | 9:32/mi
Half
2:04:21
13.10 mi
Rank: #954 (+6)
20K → Half
6:53 | 10:16/mi
25K
2:28:56
15.53 mi
Rank: #955 (-1)
Half → 25K
24:35 | 10:06/mi
30K
2:57:28
18.64 mi
Rank: #943 (+12)
25K → 30K
28:32 | 9:12/mi
35K
3:33:01
21.75 mi
Rank: #889 (+54)
30K → 35K
35:33 | 11:27/mi
25.2M
4:06:38
25.20 mi
Rank: #823 (+66)
35K → 25.2M
33:37 | 9:45/mi
Finish
4:15:30
26.22 mi
Rank: #803 (+20)
25.2M → Finish
8:52 | 8:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:04:21
Pace9:30 /mi
2nd Half
Distance13.12 mi
Time2:11:10
Pace10:00 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:2829:119:2429:11
9:24
-
10K
6.21 mi08:34:4458:279:2529:16
9:26
+0:02
15K
9.32 mi09:04:081:27:519:2629:24
9:28
+0:02
20K
12.43 mi09:33:451:57:289:2829:37
9:32
+0:04
Half
13.10 mi09:40:382:04:219:306:53
10:16
+0:44
25K
15.53 mi10:05:132:28:569:3624:35
10:06
-0:10
30K
18.64 mi10:33:452:57:289:3228:32
9:12
-0:54
35K
21.75 mi11:09:183:33:019:4835:33
11:27
+2:15
25.2M
25.20 mi11:42:554:06:389:4833:37
9:45
-1:42
Finish
26.22 mi11:51:474:15:309:468:52
8:43
-1:02

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

8:43 /mi

Average Pace

9:45 /mi

Slowest Pace

11:27 /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

8:52

3% of race

Time at Steady Pace

2:59:37

70% of race

Time at Slower Pace

1:07:01

26% of race

Average Pace: 9:45 /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 mi08:05:2829:119:2429:11
9:24
#967
10K
6.21 mi08:34:4458:279:2529:16
9:26
#963
15K
9.32 mi09:04:081:27:519:2629:24
9:28
#963
20K
12.43 mi09:33:451:57:289:2829:37
9:32
#960
Half
13.10 mi09:40:382:04:219:306:53
10:16
#954
25K
15.53 mi10:05:132:28:569:3624:35
10:06
#955
30K
18.64 mi10:33:452:57:289:3228:32
9:12
#943
35K
21.75 mi11:09:183:33:019:4835:33
11:27
#889
25.2M
25.20 mi11:42:554:06:389:4833:37
9:45
#823
Finish
26.22 mi11:51:474:15:309:468:52
8:43
#803
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi96728828961(Top 49%)286(Top 36%)29(Top 29%)
10K6.21 mi3.10 mi963+4286+228966(Top 50%)285(Top 36%)28(Top 28%)
15K9.32 mi3.11 mi96328628961(Top 49%)286(Top 36%)29(Top 29%)
20K12.43 mi3.11 mi960+328629-1960(Top 49%)289(Top 37%)32(Top 32%)
Half13.10 mi0.67 mi954+6285+129947(Top 49%)284(Top 36%)28(Top 28%)
25K15.53 mi2.43 mi955-128529964(Top 49%)295(Top 37%)29(Top 29%)
30K18.64 mi3.11 mi943+12288-3291000(Top 51%)332(Top 42%)32(Top 32%)
35K21.75 mi3.11 mi889+54277+1128+1771(Top 40%)268(Top 34%)27(Top 27%)
25.2M25.20 mi3.45 mi823+66254+2325+3553(Top 28%)186(Top 24%)18(Top 18%)
Finish26.22 mi1.02 mi803+20246+825496(Top 25%)162(Top 20%)14(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×1
+26ft-31ft

Overall

961

Females

286

F40-44

29

5K→10K

3.1 - 6.2 mi

Top 50%
×2
+38ft-17ft

Overall

966

Females

285

F40-44

28

10K→15K

6.2 - 9.3 mi

Top 49%
×2
+26ft-44ft

Overall

961

Females

286

F40-44

29

15K→20K

9.3 - 12.4 mi

Top 49%
×1
+35ft-22ft

Overall

960

Females

289

F40-44

32

20K→Half

12.4 - 13.1 mi

Top 49%
×1
+7ft-13ft

Overall

947

Females

284

F40-44

28

Half→25K

13.1 - 15.5 mi

Top 49%
×2
+48ft-19ft

Overall

964

Females

295

F40-44

29

25K→30K

15.5 - 18.6 mi

Top 51%
×2
+38ft-52ft

Overall

1000

Females

332

F40-44

32

30K→35K

18.6 - 21.8 mi

Top 40%
×2
+39ft-39ft

Overall

771

Females

268

F40-44

27

35K→25.2M

21.8 - 25.2 mi

Top 28%
×3
+57ft-58ft

Overall

553

Females

186

F40-44

18

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×1
+17ft-12ft

Overall

496

Females

162

F40-44

14

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
240
Passed By
76
Net Change
+164
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#967
5K → 10K2319+4#967#963
10K → 15K13130#963#963
15K → 20K1411+3#963#960
20K → Half71+6#960#954
Half → 25K1213-1#954#955
25K → 30K2210+12#955#943
30K → 35K617+54#943#889
35K → 25.2M682+66#889#823
25.2M → Finish200+20#823#803
TOTALS24076+164
📊

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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