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SHAMROCK MARATHON 2026

Thanh Pham

Bib: 870•M•Age: 40

Fredericksburg, VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Gender (Male)
#0 / 1480
Masters (Masters Men)
#0 / 477
Division (M40-44)
#0 / 179
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
9:25/mi
29:15
↑ 26↓ 31
10K· 6.21 mi
9:08/mi
57:37
↑ 38↓ 170.1%
15K· 9.32 mi
9:13/mi
1:26:14
↑ 26↓ 440.1%
20K· 12.43 mi
9:45/mi
1:56:31
↑ 35↓ 22
Half· 13.10 mi
9:37/mi
2:02:58
↓ 130.2%
30K· 18.64 mi
10:17/mi
3:00:00
↑ 86↓ 72
35K· 21.75 mi
15:14/mi
3:47:19
↑ 39↓ 39
25.2M
14:05/mi
4:35:55
↑ 57↓ 58
Finish· 26.22 mi
11:17/mi
4:47:25
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:02:58
Pace9:23 /mi
2nd Half
Distance13.12 mi
Time2:44:27
Pace12:32 /mi
📊Positive Split: 33.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:03:4029:159:2529:15
9:25
-
10K
6.21 mi08:32:0257:379:1628:22
9:08
-0:17
15K
9.32 mi09:00:391:26:149:1528:37
9:13
+0:05
20K
12.43 mi09:30:561:56:319:2330:17
9:45
+0:32
Half
13.10 mi09:37:232:02:589:236:27
9:37
-0:08
30K
18.64 mi10:34:253:00:009:3957:02
10:17
+0:40
35K
21.75 mi11:21:443:47:1910:2747:19
15:14
+4:57
25.2M
25.20 mi12:10:204:35:5510:5748:36
14:05
-1:09
Finish
26.22 mi12:21:504:47:2510:5811:30
11:17
-2:48

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

9:08 /mi

Average Pace

10:58 /mi

Slowest Pace

15:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:00:00

63% of race

Time at Slower Pace

1:47:25

37% of race

Average Pace: 10:58 /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 mi08:03:4029:159:2529:15
9:25
#1299
10K
6.21 mi08:32:0257:379:1628:22
9:08
#1213
15K
9.32 mi09:00:391:26:149:1528:37
9:13
#1204
20K
12.43 mi09:30:561:56:319:2330:17
9:45
#1252
Half
13.10 mi09:37:232:02:589:236:27
9:37
#1238
30K
18.64 mi10:34:253:00:009:3957:02
10:17
#1231
35K
21.75 mi11:21:443:47:1910:2747:19
15:14
#1398
25.2M
25.20 mi12:10:204:35:5510:5748:36
14:05
#1461
Finish
26.22 mi12:21:504:47:2510:5811:30
11:17
#1454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi12999291041188(Top 49%)864(Top 58%)96(Top 54%)
10K6.21 mi3.10 mi1213+86879+5095+91153(Top 47%)842(Top 57%)91(Top 51%)
15K9.32 mi3.11 mi1204+9873+6951188(Top 49%)864(Top 58%)96(Top 54%)
20K12.43 mi3.11 mi1252-48898-25103-81344(Top 55%)949(Top 64%)109(Top 61%)
Half13.10 mi0.67 mi1238+14886+121031250(Top 51%)891(Top 60%)106(Top 60%)
30K18.64 mi5.54 mi1231+7876+10106-31322(Top 54%)915(Top 62%)108(Top 61%)
35K21.75 mi3.11 mi1398-167953-77110-41859(Top 77%)1171(Top 79%)140(Top 79%)
25.2M25.20 mi3.45 mi1461-63973-20113-31790(Top 74%)1096(Top 74%)134(Top 75%)
Finish26.22 mi1.02 mi1454+7968+5114-11403(Top 58%)879(Top 59%)101(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×1story
+26ft-31ft

Overall

1188

Males

864

M40-44

103

5K→10K

3.1 - 6.2 mi

Top 47%
×2story building
+38ft-17ft

Overall

1153

Males

842

M40-44

98

10K→15K

6.2 - 9.3 mi

Top 49%
×2story building
+26ft-44ft

Overall

1188

Males

864

M40-44

103

15K→20K

9.3 - 12.4 mi

Top 55%
×1story
+35ft-22ft

Overall

1344

Males

949

M40-44

115

20K→Half

12.4 - 13.1 mi

Top 51%
×1human
+7ft-13ft

Overall

1250

Males

891

M40-44

111

Half→30K

13.1 - 18.6 mi

Top 54%
×2story building
+86ft-72ft

Overall

1322

Males

915

M40-44

110

30K→35K

18.6 - 21.8 mi

Top 77%
×2stacked humans
+39ft-39ft

Overall

1859

Males

1171

M40-44

142

35K→25.2M

21.8 - 25.2 mi

Top 74%
×3story building
+57ft-58ft

Overall

1790

Males

1096

M40-44

135

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×1human
+17ft-12ft

Overall

1403

Males

879

M40-44

102

Passing Analysis

Category:
Athletes Passed
253*
Passed By
408
Net Change
-155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1299
5K → 10K94*8+86#1299#1213
10K → 15K2920+9#1213#1204
15K → 20K11*59-48#1204#1252
20K → Half22*8+14#1252#1238
Half → 30K62*55+7#1238#1231
30K → 35K8*175-167#1231#1398
35K → 25.2M15*78-63#1398#1461
25.2M → Finish12*5+7#1461#1454
TOTALS253*408-155

* 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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J & A Racing

Big River Race Management

Big River Race Management