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SHAMROCK MARATHON 2026

Frank Cheng

Bib: 3563•M•Age: 43

Rockville, MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 16%
Gender (Male)
#0 / 1480
Top 21%
Masters (Masters Men)
#0 / 477
Top 16%
Division (M40-44)
#0 / 179
Top 23%
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
7:51/mi
24:24
↑ 26↓ 31
10K· 6.21 mi
7:49/mi
48:42
↑ 38↓ 170.1%
15K· 9.32 mi
7:50/mi
1:13:01
↑ 26↓ 440.1%
20K· 12.43 mi
7:56/mi
1:37:39
↑ 35↓ 22
Half· 13.10 mi
7:55/mi
1:42:58
↓ 130.2%
30K· 18.64 mi
7:56/mi
2:26:58
↑ 86↓ 72
35K· 21.75 mi
9:36/mi
2:56:46
↑ 39↓ 39
25.2M
9:41/mi
3:30:11
↑ 57↓ 58
Finish· 26.22 mi
8:49/mi
3:39:10
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:42:58
Pace7:52 /mi
2nd Half
Distance13.12 mi
Time1:56:12
Pace8:51 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:3224:247:5124:24
7:51
-
10K
6.21 mi08:20:5048:427:5024:18
7:49
-0:02
15K
9.32 mi08:45:091:13:017:5024:19
7:50
+0:01
20K
12.43 mi09:09:471:37:397:5124:38
7:56
+0:06
Half
13.10 mi09:15:061:42:587:525:19
7:55
-0:01
30K
18.64 mi09:59:062:26:587:5344:00
7:56
+0:01
35K
21.75 mi10:28:542:56:468:0829:48
9:36
+1:40
25.2M
25.20 mi11:02:193:30:118:2033:25
9:41
+0:05
Finish
26.22 mi11:11:183:39:108:228:59
8:49
-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

7:49 /mi

Average Pace

8:22 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:26:58

67% of race

Time at Slower Pace

1:12:12

33% of race

Average Pace: 8:22 /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 mi07:56:3224:247:5124:24
7:51
#408
10K
6.21 mi08:20:5048:427:5024:18
7:49
#402
15K
9.32 mi08:45:091:13:017:5024:19
7:50
#404
20K
12.43 mi09:09:471:37:397:5124:38
7:56
#398
Half
13.10 mi09:15:061:42:587:525:19
7:55
#390
30K
18.64 mi09:59:062:26:587:5344:00
7:56
#372
35K
21.75 mi10:28:542:56:468:0829:48
9:36
#383
25.2M
25.20 mi11:02:193:30:118:2033:25
9:41
#380
Finish
26.22 mi11:11:183:39:108:228:59
8:49
#384
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi40835051410(Top 17%)348(Top 24%)50(Top 28%)
10K6.21 mi3.10 mi402+6345+549+2410(Top 17%)349(Top 24%)51(Top 29%)
15K9.32 mi3.11 mi404-2346-150-1410(Top 17%)348(Top 24%)50(Top 28%)
20K12.43 mi3.11 mi398+6338+849+1413(Top 17%)352(Top 24%)45(Top 25%)
Half13.10 mi0.67 mi390+8332+648+1385(Top 16%)333(Top 23%)42(Top 24%)
30K18.64 mi5.54 mi372+18317+1544+4363(Top 15%)306(Top 21%)36(Top 20%)
35K21.75 mi3.11 mi383-11321-441+3461(Top 19%)364(Top 25%)41(Top 23%)
25.2M25.20 mi3.45 mi380+3312+941524(Top 22%)376(Top 25%)40(Top 22%)
Finish26.22 mi1.02 mi384-4314-241546(Top 22%)394(Top 27%)38(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×1story
+26ft-31ft

Overall

410

Males

348

M40-44

56

5K→10K

3.1 - 6.2 mi

Top 17%
×2story building
+38ft-17ft

Overall

410

Males

349

M40-44

57

10K→15K

6.2 - 9.3 mi

Top 17%
×2story building
+26ft-44ft

Overall

410

Males

348

M40-44

56

15K→20K

9.3 - 12.4 mi

Top 17%
×1story
+35ft-22ft

Overall

413

Males

352

M40-44

50

20K→Half

12.4 - 13.1 mi

Top 16%
×1human
+7ft-13ft

Overall

385

Males

333

M40-44

45

Half→30K

13.1 - 18.6 mi

Top 15%
×2story building
+86ft-72ft

Overall

363

Males

306

M40-44

38

30K→35K

18.6 - 21.8 mi

Top 19%
×2stacked humans
+39ft-39ft

Overall

461

Males

364

M40-44

43

35K→25.2M

21.8 - 25.2 mi

Top 22%
×3story building
+57ft-58ft

Overall

524

Males

376

M40-44

41

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×1human
+17ft-12ft

Overall

546

Males

394

M40-44

39

Passing Analysis

Category:
Athletes Passed
128*
Passed By
104
Net Change
+24
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#408
5K → 10K159+6#408#402
10K → 15K57-2#402#404
15K → 20K10*4+6#404#398
20K → Half9*1+8#398#390
Half → 30K47*29+18#390#372
30K → 35K13*24-11#372#383
35K → 25.2M26*23+3#383#380
25.2M → Finish3*7-4#380#384
TOTALS128*104+24

* 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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