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SHAMROCK MARATHON 2025

William Chadim

Bib: 2702•M•Age: 78

Midlothian, VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Division (M75-79)
#0 / 4
Race Day Weather
71°/61°F
overcast 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
14:38/mi
45:26
↑ 26↓ 31
10K· 6.21 mi
16:39/mi
1:37:09
↑ 38↓ 170.1%
15K· 9.32 mi
16:28/mi
2:28:18
↑ 26↓ 440.1%
20K· 12.43 mi
16:07/mi
3:18:21
↑ 35↓ 22
Half· 13.10 mi
17:28/mi
3:30:04
↓ 130.2%
25K· 15.53 mi
16:58/mi
4:11:23
↑ 48↓ 190.2%
30K· 18.64 mi
14:43/mi
4:57:06
↑ 38↓ 52
35K· 21.75 mi
18:29/mi
5:54:31
↑ 39↓ 39
25.2M
16:10/mi
6:50:19
↑ 57↓ 58
Finish· 26.22 mi
15:09/mi
7:05:45
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time3:30:04
Pace16:03 /mi
2nd Half
Distance13.12 mi
Time3:35:42
Pace16:27 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:0345:2614:3845:26
14:38
-
10K
6.21 mi09:13:461:37:0915:3951:43
16:39
+2:01
15K
9.32 mi10:04:552:28:1815:5551:09
16:28
-0:11
20K
12.43 mi10:54:583:18:2115:5850:03
16:07
-0:21
Half
13.10 mi11:06:413:30:0416:0311:43
17:28
+1:21
25K
15.53 mi11:48:004:11:2316:1141:19
16:58
-0:30
30K
18.64 mi12:33:434:57:0615:5745:43
14:43
-2:15
35K
21.75 mi13:31:085:54:3116:1957:25
18:29
+3:46
25.2M
25.20 mi14:26:566:50:1916:1755:48
16:10
-2:19
Finish
26.22 mi14:42:227:05:4516:1515:26
15:09
-1:01

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

14:38 /mi

Average Pace

16:15 /mi

Slowest Pace

18:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:35

25% of race

Time at Steady Pace

4:10:02

59% of race

Time at Slower Pace

1:09:08

16% of race

Average Pace: 16:14 /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 mi08:22:0345:2614:3845:26
14:38
#1938
10K
6.21 mi09:13:461:37:0915:3951:43
16:39
#1947
15K
9.32 mi10:04:552:28:1815:5551:09
16:28
#1947
20K
12.43 mi10:54:583:18:2115:5850:03
16:07
#1946
Half
13.10 mi11:06:413:30:0416:0311:43
17:28
#1940
25K
15.53 mi11:48:004:11:2316:1141:19
16:58
#1947
30K
18.64 mi12:33:434:57:0615:5745:43
14:43
#1948
35K
21.75 mi13:31:085:54:3116:1957:25
18:29
#1948
25.2M
25.20 mi14:26:566:50:1916:1755:48
16:10
#1942
Finish
26.22 mi14:42:227:05:4516:1515:26
15:09
#1942
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi1938114941948(Top 100%)1152(Top 100%)4(Top 100%)
10K6.21 mi3.10 mi1947-91151-241948(Top 100%)1153(Top 100%)4(Top 100%)
15K9.32 mi3.11 mi1947115141948(Top 100%)1152(Top 100%)4(Top 100%)
20K12.43 mi3.11 mi1946+11150+141940(Top 100%)1149(Top 100%)4(Top 100%)
Half13.10 mi0.67 mi1940+61146+441924(Top 99%)1138(Top 99%)4(Top 100%)
25K15.53 mi2.43 mi1947-71152-641921(Top 99%)1134(Top 98%)4(Top 100%)
30K18.64 mi3.11 mi1948-1115241918(Top 98%)1134(Top 98%)4(Top 100%)
35K21.75 mi3.11 mi1948115241859(Top 95%)1104(Top 96%)4(Top 100%)
25.2M25.20 mi3.45 mi1942+61149+341833(Top 94%)1086(Top 94%)4(Top 100%)
Finish26.22 mi1.02 mi1942114941869(Top 96%)1107(Top 96%)3(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×1story
+26ft-31ft

Overall

1948

Males

1152

M75-79

4

5K→10K

3.1 - 6.2 mi

Top 100%
×2story building
+38ft-17ft

Overall

1948

Males

1153

M75-79

4

10K→15K

6.2 - 9.3 mi

Top 100%
×2story building
+26ft-44ft

Overall

1948

Males

1152

M75-79

4

15K→20K

9.3 - 12.4 mi

Top 100%
×1story
+35ft-22ft

Overall

1940

Males

1149

M75-79

4

20K→Half

12.4 - 13.1 mi

Top 99%
×1human
+7ft-13ft

Overall

1924

Males

1138

M75-79

4

Half→25K

13.1 - 15.5 mi

Top 99%
×2story building
+48ft-19ft

Overall

1921

Males

1134

M75-79

4

25K→30K

15.5 - 18.6 mi

Top 98%
×2story building
+38ft-52ft

Overall

1918

Males

1134

M75-79

4

30K→35K

18.6 - 21.8 mi

Top 95%
×2stacked humans
+39ft-39ft

Overall

1859

Males

1104

M75-79

4

35K→25.2M

21.8 - 25.2 mi

Top 94%
×3story building
+57ft-58ft

Overall

1833

Males

1086

M75-79

4

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×1human
+17ft-12ft

Overall

1869

Males

1107

M75-79

3

Passing Analysis

Category:
Athletes Passed
16
Passed By
20
Net Change
-4
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1938
5K → 10K09-9#1938#1947
10K → 15K000#1947#1947
15K → 20K10+1#1947#1946
20K → Half82+6#1946#1940
Half → 25K18-7#1940#1947
25K → 30K01-1#1947#1948
30K → 35K000#1948#1948
35K → 25.2M60+6#1948#1942
25.2M → Finish000#1942#1942
TOTALS1620-4
📊

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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BQ

Boston Qualifying analysis available

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management