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SHAMROCK MARATHON 2026

Marina Dejo-Nicholson

Bib: 785•F•Age: 52

Lorton, VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Gender (Female)
#0 / 943
Top 42%
Masters (Masters Women)
#0 / 286
Top 34%
Division (F50-54)
#0 / 55
Top 40%
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
9:07/mi
28:19
↑ 26↓ 31
10K· 6.21 mi
8:55/mi
56:00
↑ 38↓ 170.1%
15K· 9.32 mi
9:03/mi
1:24:06
↑ 26↓ 440.1%
20K· 12.43 mi
9:39/mi
1:54:05
↑ 35↓ 22
Half· 13.10 mi
9:56/mi
2:00:45
↓ 130.2%
30K· 18.64 mi
10:50/mi
3:00:45
↑ 86↓ 72
35K· 21.75 mi
12:44/mi
3:40:18
↑ 39↓ 39
25.2M
12:07/mi
4:22:07
↑ 57↓ 58
Finish· 26.22 mi
11:15/mi
4:33:35
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:00:45
Pace9:13 /mi
2nd Half
Distance13.12 mi
Time2:32:50
Pace11:39 /mi
📊Positive Split: 26.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:02:4828:199:0728:19
9:07
-
10K
6.21 mi08:30:2956:009:0127:41
8:55
-0:12
15K
9.32 mi08:58:351:24:069:0128:06
9:03
+0:08
20K
12.43 mi09:28:341:54:059:1129:59
9:39
+0:36
Half
13.10 mi09:35:142:00:459:136:40
9:56
+0:17
30K
18.64 mi10:35:143:00:459:421:00:00
10:50
+0:54
35K
21.75 mi11:14:473:40:1810:0839:33
12:44
+1:54
25.2M
25.20 mi11:56:364:22:0710:2441:49
12:07
-0:37
Finish
26.22 mi12:08:044:33:3510:2711:28
11:15
-0:52

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

8:55 /mi

Average Pace

10:27 /mi

Slowest Pace

12:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:06

31% of race

Time at Steady Pace

36:39

13% of race

Time at Slower Pace

2:32:50

56% of race

Average Pace: 10:26 /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 mi08:02:4828:199:0728:19
9:07
#1080
10K
6.21 mi08:30:2956:009:0127:41
8:55
#1018
15K
9.32 mi08:58:351:24:069:0128:06
9:03
#1034
20K
12.43 mi09:28:341:54:059:1129:59
9:39
#1130
Half
13.10 mi09:35:142:00:459:136:40
9:56
#1138
30K
18.64 mi10:35:143:00:459:421:00:00
10:50
#1242
35K
21.75 mi11:14:473:40:1810:0839:33
12:44
#1253
25.2M
25.20 mi11:56:364:22:0710:2441:49
12:07
#1245
Finish
26.22 mi12:08:044:33:3510:2711:28
11:15
#1252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi1080278141066(Top 44%)271(Top 29%)11(Top 20%)
10K6.21 mi3.10 mi1018+62253+2513+1987(Top 41%)243(Top 26%)12(Top 22%)
15K9.32 mi3.11 mi1034-16260-7131066(Top 44%)271(Top 29%)11(Top 20%)
20K12.43 mi3.11 mi1130-96297-37131305(Top 54%)379(Top 40%)23(Top 42%)
Half13.10 mi0.67 mi1138-8300-314-11391(Top 57%)417(Top 44%)25(Top 45%)
30K18.64 mi5.54 mi1242-104362-6223-91501(Top 62%)495(Top 52%)28(Top 51%)
35K21.75 mi3.11 mi1253-11383-2122+11356(Top 56%)481(Top 51%)26(Top 47%)
25.2M25.20 mi3.45 mi1245+8392-9221220(Top 50%)454(Top 48%)22(Top 40%)
Finish26.22 mi1.02 mi1252-7399-7221393(Top 57%)516(Top 55%)20(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×1story
+26ft-31ft

Overall

1066

Females

271

F50-54

11

5K→10K

3.1 - 6.2 mi

Top 41%
×2story building
+38ft-17ft

Overall

987

Females

243

F50-54

12

10K→15K

6.2 - 9.3 mi

Top 44%
×2story building
+26ft-44ft

Overall

1066

Females

271

F50-54

11

15K→20K

9.3 - 12.4 mi

Top 54%
×1story
+35ft-22ft

Overall

1305

Females

379

F50-54

23

20K→Half

12.4 - 13.1 mi

Top 57%
×1human
+7ft-13ft

Overall

1391

Females

417

F50-54

25

Half→30K

13.1 - 18.6 mi

Top 62%
×2story building
+86ft-72ft

Overall

1501

Females

495

F50-54

28

30K→35K

18.6 - 21.8 mi

Top 56%
×2stacked humans
+39ft-39ft

Overall

1356

Females

481

F50-54

26

35K→25.2M

21.8 - 25.2 mi

Top 50%
×3story building
+57ft-58ft

Overall

1220

Females

454

F50-54

22

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×1human
+17ft-12ft

Overall

1393

Females

516

F50-54

20

Passing Analysis

Category:
Athletes Passed
238*
Passed By
410
Net Change
-172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1080
5K → 10K66*4+62#1080#1018
10K → 15K1733-16#1018#1034
15K → 20K13*109-96#1034#1130
20K → Half18*26-8#1130#1138
Half → 30K33*137-104#1138#1242
30K → 35K40*51-11#1242#1253
35K → 25.2M43*35+8#1253#1245
25.2M → Finish8*15-7#1245#1252
TOTALS238*410-172

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

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