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SHAMROCK MARATHON 2026

Timothy Groh

Bib: 1538•M•Age: 32

Gaithersburg, MD

0:00
0:00
/ mi
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Overall
#0 / 2429
Top 14%
Gender (Male)
#0 / 1480
Top 19%
Division (M30-34)
#0 / 242
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
8:18/mi
25:46
↑ 26↓ 31
10K· 6.21 mi
8:18/mi
51:33
↑ 38↓ 170.1%
15K· 9.32 mi
7:32/mi
1:14:57
↑ 26↓ 440.1%
20K· 12.43 mi
7:49/mi
1:39:15
↑ 35↓ 22
Half· 13.10 mi
7:43/mi
1:44:26
↓ 130.2%
30K· 18.64 mi
8:18/mi
2:30:25
↑ 86↓ 72
35K· 21.75 mi
8:39/mi
2:57:18
↑ 39↓ 39
25.2M
8:51/mi
3:27:50
↑ 57↓ 58
Finish· 26.22 mi
7:55/mi
3:35:54
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:44:26
Pace7:58 /mi
2nd Half
Distance13.12 mi
Time1:51:28
Pace8:30 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:01:5725:468:1825:46
8:18
-
10K
6.21 mi08:27:4451:338:1825:47
8:18
0:00
15K
9.32 mi08:51:081:14:578:0223:24
7:32
-0:46
20K
12.43 mi09:15:261:39:157:5924:18
7:49
+0:17
Half
13.10 mi09:20:371:44:267:585:11
7:43
-0:06
30K
18.64 mi10:06:362:30:258:0445:59
8:18
+0:35
35K
21.75 mi10:33:292:57:188:0926:53
8:39
+0:21
25.2M
25.20 mi11:04:013:27:508:1530:32
8:51
+0:12
Finish
26.22 mi11:12:053:35:548:148:04
7:55
-0:56

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

7:32 /mi

Average Pace

8:14 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:57

28% of race

Time at Steady Pace

2:34:57

72% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi08:01:5725:468:1825:46
8:18
#608
10K
6.21 mi08:27:4451:338:1825:47
8:18
#612
15K
9.32 mi08:51:081:14:578:0223:24
7:32
#526
20K
12.43 mi09:15:261:39:157:5924:18
7:49
#479
Half
13.10 mi09:20:371:44:267:585:11
7:43
#457
30K
18.64 mi10:06:362:30:258:0445:59
8:18
#455
35K
21.75 mi10:33:292:57:188:0926:53
8:39
#394
25.2M
25.20 mi11:04:013:27:508:1530:32
8:51
#344
Finish
26.22 mi11:12:053:35:548:148:04
7:55
#334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi60848986298(Top 12%)264(Top 18%)52(Top 22%)
10K6.21 mi3.10 mi612-4496-788-2619(Top 25%)503(Top 34%)89(Top 37%)
15K9.32 mi3.11 mi526+86437+5976+12298(Top 12%)264(Top 18%)52(Top 22%)
20K12.43 mi3.11 mi479+47398+3970+6361(Top 15%)312(Top 21%)62(Top 26%)
Half13.10 mi0.67 mi457+22381+1767+3318(Top 13%)281(Top 19%)54(Top 22%)
30K18.64 mi5.54 mi455+2376+571-4473(Top 19%)382(Top 26%)69(Top 29%)
35K21.75 mi3.11 mi394+61329+4763+8244(Top 10%)209(Top 14%)40(Top 17%)
25.2M25.20 mi3.45 mi344+50287+4257+6314(Top 13%)243(Top 16%)46(Top 19%)
Finish26.22 mi1.02 mi334+10277+1054+3245(Top 10%)193(Top 13%)34(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×1story
+26ft-31ft

Overall

298

Males

264

M30-34

53

5K→10K

3.1 - 6.2 mi

Top 25%
×2story building
+38ft-17ft

Overall

619

Males

503

M30-34

93

10K→15K

6.2 - 9.3 mi

Top 12%
×2story building
+26ft-44ft

Overall

298

Males

264

M30-34

53

15K→20K

9.3 - 12.4 mi

Top 15%
×1story
+35ft-22ft

Overall

361

Males

312

M30-34

63

20K→Half

12.4 - 13.1 mi

Top 13%
×1human
+7ft-13ft

Overall

318

Males

281

M30-34

56

Half→30K

13.1 - 18.6 mi

Top 19%
×2story building
+86ft-72ft

Overall

473

Males

382

M30-34

71

30K→35K

18.6 - 21.8 mi

Top 10%
×2stacked humans
+39ft-39ft

Overall

244

Males

209

M30-34

42

35K→25.2M

21.8 - 25.2 mi

Top 13%
×3story building
+57ft-58ft

Overall

314

Males

243

M30-34

47

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×1human
+17ft-12ft

Overall

245

Males

193

M30-34

35

Passing Analysis

Category:
Athletes Passed
339*
Passed By
65
Net Change
+274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#608
5K → 10K2125-4#608#612
10K → 15K860+86#612#526
15K → 20K48*1+47#526#479
20K → Half22*0+22#479#457
Half → 30K34*32+2#457#455
30K → 35K61*0+61#455#394
35K → 25.2M53*3+50#394#344
25.2M → Finish14*4+10#344#334
TOTALS339*65+274

* 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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