Shamrock Marathon logo
SHAMROCK MARATHON 2026

Lydia Seekford

Bib: 821•F•Age: 23

Leesburg, VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 2429
Top 28%
Gender (Female)
#0 / 943
Top 17%
Division (F20-24)
#0 / 155
Top 22%
Race Day Weather
55°/45°F
few clouds

⏱️ Race Timeline

Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:49/mi
27:25
↑ 26↓ 31
10K· 6.21 mi
8:37/mi
54:10
↑ 38↓ 170.1%
15K· 9.32 mi
8:27/mi
1:20:24
↑ 26↓ 440.1%
20K· 12.43 mi
8:25/mi
1:46:34
↑ 35↓ 22
Half· 13.10 mi
8:34/mi
1:52:19
↓ 130.2%
30K· 18.64 mi
8:47/mi
2:41:00
↑ 86↓ 72
35K· 21.75 mi
10:40/mi
3:14:08
↑ 39↓ 39
25.2M
10:34/mi
3:50:36
↑ 57↓ 58
Finish· 26.22 mi
9:45/mi
4:00:32
↑ 17↓ 12

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:52:19
Pace8:34 /mi
2nd Half
Distance13.12 mi
Time2:08:13
Pace9:46 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:5127:258:4927:25
8:49
-
10K
6.21 mi08:26:3654:108:4326:45
8:37
-0:12
15K
9.32 mi08:52:501:20:248:3826:14
8:27
-0:10
20K
12.43 mi09:19:001:46:348:3526:10
8:25
-0:02
Half
13.10 mi09:24:451:52:198:345:45
8:34
+0:09
30K
18.64 mi10:13:262:41:008:3848:41
8:47
+0:13
35K
21.75 mi10:46:343:14:088:5633:08
10:40
+1:53
25.2M
25.20 mi11:23:023:50:369:0936:28
10:34
-0:06
Finish
26.22 mi11:32:584:00:329:119:56
9:45
-0:49

Checkpoints & Pacing

📈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

8:25 /mi

Average Pace

9:11 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:41:00

67% of race

Time at Slower Pace

1:19:32

33% of race

Average Pace: 9:10 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi07:59:5127:258:4927:25
8:49
#890
10K
6.21 mi08:26:3654:108:4326:45
8:37
#823
15K
9.32 mi08:52:501:20:248:3826:14
8:27
#767
20K
12.43 mi09:19:001:46:348:3526:10
8:25
#718
Half
13.10 mi09:24:451:52:198:345:45
8:34
#705
30K
18.64 mi10:13:262:41:008:3848:41
8:47
#665
35K
21.75 mi10:46:343:14:088:5633:08
10:40
#672
25.2M
25.20 mi11:23:023:50:369:0936:28
10:34
#687
Finish
26.22 mi11:32:584:00:329:119:56
9:45
#687
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi89021240674(Top 28%)132(Top 14%)28(Top 18%)
10K6.21 mi3.10 mi823+67188+2437+3772(Top 32%)166(Top 18%)35(Top 23%)
15K9.32 mi3.11 mi767+56162+2634+3674(Top 28%)132(Top 14%)28(Top 18%)
20K12.43 mi3.11 mi718+49149+1333+1611(Top 25%)118(Top 13%)26(Top 17%)
Half13.10 mi0.67 mi705+13143+633643(Top 26%)125(Top 13%)28(Top 18%)
30K18.64 mi5.54 mi665+40133+1028+5677(Top 28%)146(Top 15%)31(Top 20%)
35K21.75 mi3.11 mi672-7139-630-2755(Top 31%)210(Top 22%)44(Top 28%)
25.2M25.20 mi3.45 mi687-15157-1835-5762(Top 31%)242(Top 26%)51(Top 33%)
Finish26.22 mi1.02 mi687158-134+1850(Top 35%)273(Top 29%)59(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×1story
+26ft-31ft

Overall

674

Females

132

F20-24

29

5K→10K

3.1 - 6.2 mi

Top 32%
×2story building
+38ft-17ft

Overall

772

Females

166

F20-24

36

10K→15K

6.2 - 9.3 mi

Top 28%
×2story building
+26ft-44ft

Overall

674

Females

132

F20-24

29

15K→20K

9.3 - 12.4 mi

Top 25%
×1story
+35ft-22ft

Overall

611

Females

118

F20-24

27

20K→Half

12.4 - 13.1 mi

Top 26%
×1human
+7ft-13ft

Overall

643

Females

125

F20-24

29

Half→30K

13.1 - 18.6 mi

Top 28%
×2story building
+86ft-72ft

Overall

677

Females

146

F20-24

32

30K→35K

18.6 - 21.8 mi

Top 31%
×2stacked humans
+39ft-39ft

Overall

755

Females

210

F20-24

45

35K→25.2M

21.8 - 25.2 mi

Top 31%
×3story building
+57ft-58ft

Overall

762

Females

242

F20-24

51

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×1human
+17ft-12ft

Overall

850

Females

273

F20-24

59

Passing Analysis

Category:
Athletes Passed
339*
Passed By
136
Net Change
+203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#890
5K → 10K736+67#890#823
10K → 15K626+56#823#767
15K → 20K51*2+49#767#718
20K → Half13*0+13#718#705
Half → 30K73*33+40#705#665
30K → 35K28*35-7#665#672
35K → 25.2M32*47-15#672#687
25.2M → Finish7*70#687#687
TOTALS339*136+203

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...
🏆 Finisher Certificate
Download or share your official race finisher certificate
Loading certificate...

Your certificate is generated on-demand and can be shared on social media or saved for your records

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

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

Public Race Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management