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SHAMROCK MARATHON 2026

Jacob Williams

Bib: 1623•M•Age: 21

Greensboro, NC

0:00
0:00
/ mi
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Overall
#0 / 2429
Top 11%
Gender (Male)
#0 / 1480
Top 16%
Division (M20-24)
#0 / 202
Top 19%
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
6:42/mi
20:49
↑ 26↓ 31
10K· 6.21 mi
7:10/mi
43:05
↑ 38↓ 170.1%
15K· 9.32 mi
7:28/mi
1:06:18
↑ 26↓ 440.1%
20K· 12.43 mi
7:12/mi
1:28:39
↑ 35↓ 22
Half· 13.10 mi
7:15/mi
1:33:31
↓ 130.2%
30K· 18.64 mi
7:32/mi
2:15:16
↑ 86↓ 72
35K· 21.75 mi
9:16/mi
2:44:04
↑ 39↓ 39
25.2M
10:17/mi
3:19:34
↑ 57↓ 58
Finish· 26.22 mi
9:49/mi
3:29:34
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:33:31
Pace7:08 /mi
2nd Half
Distance13.12 mi
Time1:56:03
Pace8:51 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:5620:496:4220:49
6:42
-
10K
6.21 mi08:19:1243:056:5622:16
7:10
+0:28
15K
9.32 mi08:42:251:06:187:0723:13
7:28
+0:18
20K
12.43 mi09:04:461:28:397:0822:21
7:12
-0:16
Half
13.10 mi09:09:381:33:317:084:52
7:15
+0:03
30K
18.64 mi09:51:232:15:167:1541:45
7:32
+0:17
35K
21.75 mi10:20:112:44:047:3328:48
9:16
+1:44
25.2M
25.20 mi10:55:413:19:347:5535:30
10:17
+1:01
Finish
26.22 mi11:05:413:29:348:0010:00
9:49
-0:28

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

6:42 /mi

Average Pace

8:00 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:49

10% of race

Time at Steady Pace

1:54:27

55% of race

Time at Slower Pace

1:14:18

35% of race

Average Pace: 8:00 /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 mi07:56:5620:496:4220:49
6:42
#97
10K
6.21 mi08:19:1243:056:5622:16
7:10
#163
15K
9.32 mi08:42:251:06:187:0723:13
7:28
#194
20K
12.43 mi09:04:461:28:397:0822:21
7:12
#190
Half
13.10 mi09:09:381:33:317:084:52
7:15
#188
30K
18.64 mi09:51:232:15:167:1541:45
7:32
#194
35K
21.75 mi10:20:112:44:047:3328:48
9:16
#209
25.2M
25.20 mi10:55:413:19:347:5535:30
10:17
#252
Finish
26.22 mi11:05:413:29:348:0010:00
9:49
#273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi979618271(Top 11%)243(Top 16%)31(Top 16%)
10K6.21 mi3.10 mi163-66155-5921-3203(Top 8%)193(Top 13%)28(Top 14%)
15K9.32 mi3.11 mi194-31185-3028-7271(Top 11%)243(Top 16%)31(Top 16%)
20K12.43 mi3.11 mi190+4181+428173(Top 7%)163(Top 11%)25(Top 13%)
Half13.10 mi0.67 mi188+2179+228175(Top 7%)167(Top 11%)29(Top 14%)
30K18.64 mi5.54 mi194-6182-327+1248(Top 10%)224(Top 15%)38(Top 19%)
35K21.75 mi3.11 mi209-15195-1330-3375(Top 15%)302(Top 20%)53(Top 27%)
25.2M25.20 mi3.45 mi252-43219-2436-6695(Top 29%)481(Top 33%)73(Top 37%)
Finish26.22 mi1.02 mi273-21234-1538-2864(Top 36%)582(Top 39%)95(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×1story
+26ft-31ft

Overall

271

Males

243

M20-24

33

5K→10K

3.1 - 6.2 mi

Top 8%
×2story building
+38ft-17ft

Overall

203

Males

193

M20-24

30

10K→15K

6.2 - 9.3 mi

Top 11%
×2story building
+26ft-44ft

Overall

271

Males

243

M20-24

33

15K→20K

9.3 - 12.4 mi

Top 7%
×1story
+35ft-22ft

Overall

173

Males

163

M20-24

27

20K→Half

12.4 - 13.1 mi

Top 7%
×1human
+7ft-13ft

Overall

175

Males

167

M20-24

31

Half→30K

13.1 - 18.6 mi

Top 10%
×2story building
+86ft-72ft

Overall

248

Males

224

M20-24

40

30K→35K

18.6 - 21.8 mi

Top 15%
×2stacked humans
+39ft-39ft

Overall

375

Males

302

M20-24

56

35K→25.2M

21.8 - 25.2 mi

Top 29%
×3story building
+57ft-58ft

Overall

695

Males

481

M20-24

75

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×1human
+17ft-12ft

Overall

864

Males

582

M20-24

97

Passing Analysis

Category:
Athletes Passed
40*
Passed By
216
Net Change
-176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#97
5K → 10K167-66#97#163
10K → 15K132-31#163#194
15K → 20K5*1+4#194#190
20K → Half2*0+2#190#188
Half → 30K15*21-6#188#194
30K → 35K5*20-15#194#209
35K → 25.2M9*52-43#209#252
25.2M → Finish2*23-21#252#273
TOTALS40*216-176

* 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