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SHAMROCK MARATHON 2026

Andrew Lorenz

Bib: 998•M•Age: 27

Somerville, MA

0:00
0:00
/ mi
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Overall
#0 / 2429
Gender (Male)
#0 / 1480
Division (M25-29)
#0 / 297
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
10:11/mi
31:38
↑ 26↓ 31
10K· 6.21 mi
10:22/mi
1:03:51
↑ 38↓ 170.1%
15K· 9.32 mi
10:27/mi
1:36:18
↑ 26↓ 440.1%
20K· 12.43 mi
9:47/mi
2:06:41
↑ 35↓ 22
Half· 13.10 mi
9:16/mi
2:12:54
↓ 130.2%
30K· 18.64 mi
10:25/mi
3:10:38
↑ 86↓ 72
35K· 21.75 mi
10:53/mi
3:44:26
↑ 39↓ 39
25.2M
10:48/mi
4:21:41
↑ 57↓ 58
Finish· 26.22 mi
10:49/mi
4:32:42
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:12:54
Pace10:09 /mi
2nd Half
Distance13.12 mi
Time2:19:48
Pace10:39 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:09:5531:3810:1131:38
10:11
-
10K
6.21 mi08:42:081:03:5110:1732:13
10:22
+0:11
15K
9.32 mi09:14:351:36:1810:2032:27
10:27
+0:05
20K
12.43 mi09:44:582:06:4110:1230:23
9:47
-0:40
Half
13.10 mi09:51:112:12:5410:096:13
9:16
-0:31
30K
18.64 mi10:48:553:10:3810:1457:44
10:25
+1:09
35K
21.75 mi11:22:433:44:2610:1933:48
10:53
+0:28
25.2M
25.20 mi11:59:584:21:4110:2337:15
10:48
-0:05
Finish
26.22 mi12:10:594:32:4210:2511:01
10:49
+0:01

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

9:16 /mi

Average Pace

10:25 /mi

Slowest Pace

10:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:14

25% of race

Time at Steady Pace

3:24:28

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:24 /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 mi08:09:5531:3810:1131:38
10:11
#1640
10K
6.21 mi08:42:081:03:5110:1732:13
10:22
#1693
15K
9.32 mi09:14:351:36:1810:2032:27
10:27
#1692
20K
12.43 mi09:44:582:06:4110:1230:23
9:47
#1607
Half
13.10 mi09:51:112:12:5410:096:13
9:16
#1558
30K
18.64 mi10:48:553:10:3810:1457:44
10:25
#1477
35K
21.75 mi11:22:433:44:2610:1933:48
10:53
#1326
25.2M
25.20 mi11:59:584:21:4110:2337:15
10:48
#1237
Finish
26.22 mi12:10:594:32:4210:2511:01
10:49
#1239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi164011162281729(Top 71%)1166(Top 79%)235(Top 80%)
10K6.21 mi3.10 mi1693-531148-32233-51755(Top 72%)1192(Top 81%)242(Top 82%)
15K9.32 mi3.11 mi1692+11144+4230+31729(Top 71%)1166(Top 79%)235(Top 80%)
20K12.43 mi3.11 mi1607+851096+48223+71352(Top 56%)954(Top 64%)203(Top 69%)
Half13.10 mi0.67 mi1558+491061+35220+31068(Top 44%)800(Top 54%)171(Top 58%)
30K18.64 mi5.54 mi1477+811009+52216+41360(Top 56%)938(Top 63%)199(Top 67%)
35K21.75 mi3.11 mi1326+151910+99198+18812(Top 33%)578(Top 39%)130(Top 44%)
25.2M25.20 mi3.45 mi1237+89848+62185+13824(Top 34%)552(Top 37%)112(Top 38%)
Finish26.22 mi1.02 mi1239-2844+4187-21261(Top 52%)812(Top 55%)176(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×1story
+26ft-31ft

Overall

1729

Males

1166

M25-29

246

5K→10K

3.1 - 6.2 mi

Top 72%
×2story building
+38ft-17ft

Overall

1755

Males

1192

M25-29

252

10K→15K

6.2 - 9.3 mi

Top 71%
×2story building
+26ft-44ft

Overall

1729

Males

1166

M25-29

246

15K→20K

9.3 - 12.4 mi

Top 56%
×1story
+35ft-22ft

Overall

1352

Males

954

M25-29

210

20K→Half

12.4 - 13.1 mi

Top 44%
×1human
+7ft-13ft

Overall

1068

Males

800

M25-29

177

Half→30K

13.1 - 18.6 mi

Top 56%
×2story building
+86ft-72ft

Overall

1360

Males

938

M25-29

206

30K→35K

18.6 - 21.8 mi

Top 33%
×2stacked humans
+39ft-39ft

Overall

812

Males

578

M25-29

136

35K→25.2M

21.8 - 25.2 mi

Top 34%
×3story building
+57ft-58ft

Overall

824

Males

552

M25-29

116

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×1human
+17ft-12ft

Overall

1261

Males

812

M25-29

178

Passing Analysis

Category:
Athletes Passed
543*
Passed By
142
Net Change
+401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1640
5K → 10K20*73-53#1640#1693
10K → 15K2928+1#1693#1692
15K → 20K85*0+85#1692#1607
20K → Half49*0+49#1607#1558
Half → 30K106*25+81#1558#1477
30K → 35K153*2+151#1477#1326
35K → 25.2M91*2+89#1326#1237
25.2M → Finish10*12-2#1237#1239
TOTALS543*142+401

* 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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