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SHAMROCK MARATHON 2025

Thomas Andros

Vienna, VA

Bib: 71 M 66

0:00
0:00
/ mi
MastersBQ
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Overall
#0 / 1949
Top 31%
Gender (Male)
#0 / 1153
Top 36%
Masters (Masters Men)
#0 / 398
Top 34%
Division (M65-69)
#0 / 15
Top 20%
Race Day Weather
71°/61°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
9:05/mi
28:12
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
8:48/mi
55:32
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
8:52/mi
1:23:03
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
8:53/mi
1:50:37
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
9:30/mi
1:56:59
↓ 130.2%
11 ft elev
25K· 15.53 mi
9:30/mi
2:20:05
↑ 48↓ 190.2%
38 ft elev
30K· 18.64 mi
8:13/mi
2:45:35
↑ 38↓ 52
25 ft elev
35K· 21.75 mi
10:12/mi
3:17:16
↑ 39↓ 39
25 ft elev
25.2M
9:24/mi
3:49:40
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
8:43/mi
3:58:32
↑ 17↓ 12
28 ft elev
Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:56:59
Pace8:56 /mi
2nd Half
Distance13.12 mi
Time2:01:34
Pace9:16 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:02:3928:129:0528:12
9:05
-
10K
6.21 mi08:29:5955:328:5727:20
8:48
-0:17
15K
9.32 mi08:57:301:23:038:5527:31
8:52
+0:04
20K
12.43 mi09:25:041:50:378:5527:34
8:53
+0:01
Half
13.10 mi09:31:261:56:598:566:22
9:30
+0:37
25K
15.53 mi09:54:322:20:059:0223:06
9:30
0:00
30K
18.64 mi10:20:022:45:358:5325:30
8:13
-1:17
35K
21.75 mi10:51:433:17:169:0531:41
10:12
+1:59
25.2M
25.20 mi11:24:073:49:409:0732:24
9:24
-0:48
Finish
26.22 mi11:32:593:58:329:078:52
8:43
-0:41

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

8:13 /mi

Average Pace

9:06 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:42

26% of race

Time at Steady Pace

1:23:17

35% of race

Time at Slower Pace

1:33:33

39% of race

Average Pace: 9:06 /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 mi08:02:3928:129:0528:12
9:05
#815
10K
6.21 mi08:29:5955:328:5727:20
8:48
#736
15K
9.32 mi08:57:301:23:038:5527:31
8:52
#728
20K
12.43 mi09:25:041:50:378:5527:34
8:53
#719
Half
13.10 mi09:31:261:56:598:566:22
9:30
#712
25K
15.53 mi09:54:322:20:059:0223:06
9:30
#729
30K
18.64 mi10:20:022:45:358:5325:30
8:13
#711
35K
21.75 mi10:51:433:17:169:0531:41
10:12
#641
25.2M
25.20 mi11:24:073:49:409:0732:24
9:24
#607
Finish
26.22 mi11:32:593:58:329:078:52
8:43
#596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi81558156965055
10K6.21 mi3.10 mi736+79528+5356684854
15K9.32 mi3.11 mi728+8524+456965055
20K12.43 mi3.11 mi719+9525-157175255
Half13.10 mi0.67 mi712+7521+456714905
25K15.53 mi2.43 mi729-17527-657635454
30K18.64 mi3.11 mi711+18513+1456594693
35K21.75 mi3.11 mi641+70460+533+24853383
25.2M25.20 mi3.45 mi607+34428+3234593133
Finish26.22 mi1.02 mi596+11418+1034943323

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×1story
+26ft-31ft

Overall

696

Males

505

M65-69

5

5K→10K

3.1 - 6.2 mi

Top 34%
×2story building
+38ft-17ft

Overall

668

Males

485

M65-69

4

10K→15K

6.2 - 9.3 mi

Top 36%
×2story building
+26ft-44ft

Overall

696

Males

505

M65-69

5

15K→20K

9.3 - 12.4 mi

Top 37%
×1story
+35ft-22ft

Overall

717

Males

525

M65-69

5

20K→Half

12.4 - 13.1 mi

Top 34%
×1human
+7ft-13ft

Overall

671

Males

490

M65-69

5

Half→25K

13.1 - 15.5 mi

Top 39%
×2story building
+48ft-19ft

Overall

763

Males

545

M65-69

4

25K→30K

15.5 - 18.6 mi

Top 34%
×2story building
+38ft-52ft

Overall

659

Males

469

M65-69

3

30K→35K

18.6 - 21.8 mi

Top 25%
×2stacked humans
+39ft-39ft

Overall

485

Males

338

M65-69

3

35K→25.2M

21.8 - 25.2 mi

Top 24%
×3story building
+57ft-58ft

Overall

459

Males

313

M65-69

3

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×1human
+17ft-12ft

Overall

494

Males

332

M65-69

3

Passing Analysis

Category:
Athletes Passed
286
Passed By
67
Net Change
+219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#815
5K → 10K801+79#815#736
10K → 15K168+8#736#728
15K → 20K1910+9#728#719
20K → Half70+7#719#712
Half → 25K623-17#712#729
25K → 30K279+18#729#711
30K → 35K788+70#711#641
35K → 25.2M417+34#641#607
25.2M → Finish121+11#607#596
TOTALS28667+219

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management