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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Amanda Gill

Bib: 2460 •F •Age: 48

Bristow, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Top 48%
Age Group (F45-49)
Official
#0 / 79
Calculated (F45-49)
#0 / 79
Top 44%
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
32:42
3.11 mi
Rank: #1394
Start → 5K
32:42 | 10:32/mi
10K
1:04:36
6.21 mi
Rank: #1326 (+68)
5K → 10K
31:54 | 10:17/mi
15K
1:36:31
9.32 mi
Rank: #1286 (+40)
10K → 15K
31:55 | 10:17/mi
20K
2:08:42
12.43 mi
Rank: #1274 (+12)
15K → 20K
32:11 | 10:22/mi
Half
2:16:22
13.10 mi
Rank: #1280 (-6)
20K → Half
7:40 | 11:26/mi
25K
2:43:52
15.53 mi
Rank: #1292 (-12)
Half → 25K
27:30 | 11:18/mi
30K
3:15:28
18.64 mi
Rank: #1280 (+12)
25K → 30K
31:36 | 10:11/mi
35K
3:57:42
21.75 mi
Rank: #1277 (+3)
30K → 35K
42:14 | 13:36/mi
25.2M
4:40:45
25.20 mi
Rank: #1278 (-1)
35K → 25.2M
43:03 | 12:29/mi
Finish
4:53:45
26.22 mi
Rank: #1301 (-23)
25.2M → Finish
13:00 | 12:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:16:22
Pace10:25 /mi
2nd Half
Distance13.12 mi
Time2:37:23
Pace12:00 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:0932:4210:3232:42
10:32
-
10K
6.21 mi08:51:031:04:3610:2431:54
10:17
-0:15
15K
9.32 mi09:22:581:36:3110:2231:55
10:17
0:00
20K
12.43 mi09:55:092:08:4210:2232:11
10:22
+0:05
Half
13.10 mi10:02:492:16:2210:257:40
11:26
+1:04
25K
15.53 mi10:30:192:43:5210:3327:30
11:18
-0:08
30K
18.64 mi11:01:553:15:2810:3031:36
10:11
-1:07
35K
21.75 mi11:44:093:57:4210:5642:14
13:36
+3:25
25.2M
25.20 mi12:27:124:40:4511:0943:03
12:29
-1:07
Finish
26.22 mi12:40:124:53:4511:1313:00
12:46
+0:17

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

10:11 /mi

Average Pace

11:13 /mi

Slowest Pace

13:36 /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

2:40:18

55% of race

Time at Steady Pace

35:10

12% of race

Time at Slower Pace

1:38:17

33% of race

Average Pace: 11:12 /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 mi08:19:0932:4210:3232:42
10:32
#1394
10K
6.21 mi08:51:031:04:3610:2431:54
10:17
#1326
15K
9.32 mi09:22:581:36:3110:2231:55
10:17
#1286
20K
12.43 mi09:55:092:08:4210:2232:11
10:22
#1274
Half
13.10 mi10:02:492:16:2210:257:40
11:26
#1280
25K
15.53 mi10:30:192:43:5210:3327:30
11:18
#1292
30K
18.64 mi11:01:553:15:2810:3031:36
10:11
#1280
35K
21.75 mi11:44:093:57:4210:5642:14
13:36
#1277
25.2M
25.20 mi12:27:124:40:4511:0943:03
12:29
#1278
Finish
26.22 mi12:40:124:53:4511:1313:00
12:46
#1301
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 mi1394483341236(Top 63%)403(Top 51%)28(Top 35%)
10K6.21 mi3.10 mi1326+68448+35341252(Top 64%)411(Top 52%)30(Top 38%)
15K9.32 mi3.11 mi1286+40428+2033+11236(Top 63%)403(Top 51%)28(Top 35%)
20K12.43 mi3.11 mi1274+12426+231+21250(Top 64%)420(Top 53%)27(Top 34%)
Half13.10 mi0.67 mi1280-6431-5311340(Top 69%)466(Top 59%)31(Top 39%)
25K15.53 mi2.43 mi1292-12437-633-21323(Top 68%)468(Top 59%)34(Top 43%)
30K18.64 mi3.11 mi1280+12436+1331303(Top 67%)479(Top 61%)43(Top 54%)
35K21.75 mi3.11 mi1277+3448-12331261(Top 65%)479(Top 61%)40(Top 51%)
25.2M25.20 mi3.45 mi1278-1460-1234-11296(Top 66%)507(Top 64%)36(Top 46%)
Finish26.22 mi1.02 mi1301-23468-835-11642(Top 84%)656(Top 83%)61(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×1
+26ft-31ft

Overall

1236

Females

403

F45-49

28

5K→10K

3.1 - 6.2 mi

Top 64%
×2
+38ft-17ft

Overall

1252

Females

411

F45-49

30

10K→15K

6.2 - 9.3 mi

Top 63%
×2
+26ft-44ft

Overall

1236

Females

403

F45-49

28

15K→20K

9.3 - 12.4 mi

Top 64%
×1
+35ft-22ft

Overall

1250

Females

420

F45-49

27

20K→Half

12.4 - 13.1 mi

Top 69%
×1
+7ft-13ft

Overall

1340

Females

466

F45-49

31

Half→25K

13.1 - 15.5 mi

Top 68%
×2
+48ft-19ft

Overall

1323

Females

468

F45-49

34

25K→30K

15.5 - 18.6 mi

Top 67%
×2
+38ft-52ft

Overall

1303

Females

479

F45-49

43

30K→35K

18.6 - 21.8 mi

Top 65%
×2
+39ft-39ft

Overall

1261

Females

479

F45-49

40

35K→25.2M

21.8 - 25.2 mi

Top 66%
×3
+57ft-58ft

Overall

1296

Females

507

F45-49

36

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×1
+17ft-12ft

Overall

1642

Females

656

F45-49

61

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
252
Passed By
159
Net Change
+93
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1394
5K → 10K8315+68#1394#1326
10K → 15K488+40#1326#1286
15K → 20K2412+12#1286#1274
20K → Half1117-6#1274#1280
Half → 25K1527-12#1280#1292
25K → 30K2311+12#1292#1280
30K → 35K3027+3#1280#1277
35K → 25.2M1819-1#1277#1278
25.2M → Finish023-23#1278#1301
TOTALS252159+93
📊

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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