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SHAMROCK MARATHON 2025

Victoria Tillson

Bib: 2458•F•Age: 45

Bethesda, MD

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0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Age Group (F45-49)
Official
#0 / 79
Calculated (F45-49)
#0 / 79
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
34:58
3.11 mi
Rank: #1632
Start → 5K
34:58 | 11:16/mi
10K
1:10:09
6.21 mi
Rank: #1599 (+33)
5K → 10K
35:11 | 11:20/mi
15K
1:45:55
9.32 mi
Rank: #1624 (-25)
10K → 15K
35:46 | 11:31/mi
20K
2:21:23
12.43 mi
Rank: #1601 (+23)
15K → 20K
35:28 | 11:25/mi
Half
2:29:58
13.10 mi
Rank: #1601
20K → Half
8:35 | 12:48/mi
25K
3:00:56
15.53 mi
Rank: #1604 (-3)
Half → 25K
30:58 | 12:43/mi
30K
3:37:14
18.64 mi
Rank: #1604
25K → 30K
36:18 | 11:42/mi
35K
4:24:40
21.75 mi
Rank: #1603 (+1)
30K → 35K
47:26 | 15:17/mi
25.2M
5:12:59
25.20 mi
Rank: #1607 (-4)
35K → 25.2M
48:19 | 14:00/mi
Finish
5:26:20
26.22 mi
Rank: #1611 (-4)
25.2M → Finish
13:21 | 13:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:29:58
Pace11:27 /mi
2nd Half
Distance13.12 mi
Time2:56:23
Pace13:27 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:0834:5811:1634:58
11:16
-
10K
6.21 mi08:54:191:10:0911:1835:11
11:20
+0:04
15K
9.32 mi09:30:051:45:5511:2235:46
11:31
+0:11
20K
12.43 mi10:05:332:21:2311:2335:28
11:25
-0:06
Half
13.10 mi10:14:082:29:5811:278:35
12:48
+1:23
25K
15.53 mi10:45:063:00:5611:3930:58
12:43
-0:05
30K
18.64 mi11:21:243:37:1411:4036:18
11:42
-1:01
35K
21.75 mi12:08:504:24:4012:1147:26
15:17
+3:35
25.2M
25.20 mi12:57:095:12:5912:2648:19
14:00
-1:17
Finish
26.22 mi13:10:305:26:2012:2813:21
13:07
-0:53

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

11:16 /mi

Average Pace

12:27 /mi

Slowest Pace

15:17 /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

2:57:41

54% of race

Time at Steady Pace

52:54

16% of race

Time at Slower Pace

1:35:45

29% of race

Average Pace: 12:27 /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 mi08:19:0834:5811:1634:58
11:16
#1632
10K
6.21 mi08:54:191:10:0911:1835:11
11:20
#1599
15K
9.32 mi09:30:051:45:5511:2235:46
11:31
#1624
20K
12.43 mi10:05:332:21:2311:2335:28
11:25
#1601
Half
13.10 mi10:14:082:29:5811:278:35
12:48
#1601
25K
15.53 mi10:45:063:00:5611:3930:58
12:43
#1604
30K
18.64 mi11:21:243:37:1411:4036:18
11:42
#1604
35K
21.75 mi12:08:504:24:4012:1147:26
15:17
#1603
25.2M
25.20 mi12:57:095:12:5912:2648:19
14:00
#1607
Finish
26.22 mi13:10:305:26:2012:2813:21
13:07
#1611
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi1632606501616(Top 83%)592(Top 75%)52(Top 66%)
10K6.21 mi3.10 mi1599+33585+2146+41584(Top 81%)575(Top 73%)48(Top 61%)
15K9.32 mi3.11 mi1624-25593-849-31616(Top 83%)592(Top 75%)52(Top 66%)
20K12.43 mi3.11 mi1601+23585+8491552(Top 80%)565(Top 71%)47(Top 59%)
Half13.10 mi0.67 mi1601587-251-21641(Top 84%)619(Top 78%)56(Top 71%)
25K15.53 mi2.43 mi1604-3588-153-21604(Top 82%)609(Top 77%)56(Top 71%)
30K18.64 mi3.11 mi1604595-754-11620(Top 83%)628(Top 79%)60(Top 76%)
35K21.75 mi3.11 mi1603+1600-556-21537(Top 79%)605(Top 76%)59(Top 75%)
25.2M25.20 mi3.45 mi1607-4606-658-21609(Top 83%)644(Top 81%)62(Top 78%)
Finish26.22 mi1.02 mi1611-4610-4581705(Top 87%)686(Top 87%)67(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×1
+26ft-31ft

Overall

1616

Females

592

F45-49

52

5K→10K

3.1 - 6.2 mi

Top 81%
×2
+38ft-17ft

Overall

1584

Females

575

F45-49

48

10K→15K

6.2 - 9.3 mi

Top 83%
×2
+26ft-44ft

Overall

1616

Females

592

F45-49

52

15K→20K

9.3 - 12.4 mi

Top 80%
×1
+35ft-22ft

Overall

1552

Females

565

F45-49

47

20K→Half

12.4 - 13.1 mi

Top 84%
×1
+7ft-13ft

Overall

1641

Females

619

F45-49

56

Half→25K

13.1 - 15.5 mi

Top 82%
×2
+48ft-19ft

Overall

1604

Females

609

F45-49

56

25K→30K

15.5 - 18.6 mi

Top 83%
×2
+38ft-52ft

Overall

1620

Females

628

F45-49

60

30K→35K

18.6 - 21.8 mi

Top 79%
×2
+39ft-39ft

Overall

1537

Females

605

F45-49

59

35K→25.2M

21.8 - 25.2 mi

Top 83%
×3
+57ft-58ft

Overall

1609

Females

644

F45-49

62

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×1
+17ft-12ft

Overall

1705

Females

686

F45-49

67

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
184
Passed By
163
Net Change
+21
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1632
5K → 10K5421+33#1632#1599
10K → 15K2045-25#1599#1624
15K → 20K263+23#1624#1601
20K → Half12120#1601#1601
Half → 25K1821-3#1601#1604
25K → 30K23230#1604#1604
30K → 35K2120+1#1604#1603
35K → 25.2M913-4#1603#1607
25.2M → Finish15-4#1607#1611
TOTALS184163+21
📊

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
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Activity Data

Upload your GPX file to see detailed activity metrics

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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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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management