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SHAMROCK MARATHON 2026

Jamie Maguire

Bib: 801•F•Age: 29

Cambridge, MA

0:00
0:00
/ mi
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Overall
#0 / 2429
Top 34%
Gender (Female)
#0 / 943
Top 23%
Division (F25-29)
#0 / 200
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
8:34/mi
26:38
↑ 26↓ 31
10K· 6.21 mi
8:36/mi
53:20
↑ 38↓ 170.1%
15K· 9.32 mi
8:42/mi
1:20:21
↑ 26↓ 440.1%
20K· 12.43 mi
9:02/mi
1:48:25
↑ 35↓ 22
Half· 13.10 mi
9:22/mi
1:54:42
↓ 130.2%
30K· 18.64 mi
9:28/mi
2:47:08
↑ 86↓ 72
35K· 21.75 mi
10:58/mi
3:21:11
↑ 39↓ 39
25.2M
10:49/mi
3:58:31
↑ 57↓ 58
Finish· 26.22 mi
9:54/mi
4:08:36
↑ 17↓ 12

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:54:42
Pace8:45 /mi
2nd Half
Distance13.12 mi
Time2:13:54
Pace10:12 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:00:5426:388:3426:38
8:34
-
10K
6.21 mi08:27:3653:208:3526:42
8:36
+0:02
15K
9.32 mi08:54:371:20:218:3727:01
8:42
+0:06
20K
12.43 mi09:22:411:48:258:4328:04
9:02
+0:20
Half
13.10 mi09:28:581:54:428:456:17
9:22
+0:20
30K
18.64 mi10:21:242:47:088:5852:26
9:28
+0:06
35K
21.75 mi10:55:273:21:119:1534:03
10:58
+1:30
25.2M
25.20 mi11:32:473:58:319:2837:20
10:49
-0:09
Finish
26.22 mi11:42:524:08:369:2910:05
9:54
-0:55

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

8:34 /mi

Average Pace

9:29 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:21

32% of race

Time at Steady Pace

1:26:47

35% of race

Time at Slower Pace

1:21:28

33% of race

Average Pace: 9:29 /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 mi08:00:5426:388:3426:38
8:34
#730
10K
6.21 mi08:27:3653:208:3526:42
8:36
#753
15K
9.32 mi08:54:371:20:218:3727:01
8:42
#764
20K
12.43 mi09:22:411:48:258:4328:04
9:02
#812
Half
13.10 mi09:28:581:54:428:456:17
9:22
#819
30K
18.64 mi10:21:242:47:088:5852:26
9:28
#850
35K
21.75 mi10:55:273:21:119:1534:03
10:58
#836
25.2M
25.20 mi11:32:473:58:319:2837:20
10:49
#832
Finish
26.22 mi11:42:524:08:369:2910:05
9:54
#825
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi73014828803(Top 33%)173(Top 18%)32(Top 16%)
10K6.21 mi3.10 mi753-23160-1231-3768(Top 32%)164(Top 17%)34(Top 17%)
15K9.32 mi3.11 mi764-11161-132-1803(Top 33%)173(Top 18%)32(Top 16%)
20K12.43 mi3.11 mi812-48174-1332974(Top 40%)232(Top 25%)46(Top 23%)
Half13.10 mi0.67 mi819-7178-434-21106(Top 46%)288(Top 31%)58(Top 29%)
30K18.64 mi5.54 mi850-31195-1740-6981(Top 40%)259(Top 27%)54(Top 27%)
35K21.75 mi3.11 mi836+14202-742-2833(Top 34%)240(Top 25%)45(Top 23%)
25.2M25.20 mi3.45 mi832+4219-1745-3834(Top 34%)275(Top 29%)55(Top 28%)
Finish26.22 mi1.02 mi825+7220-146-1891(Top 37%)294(Top 31%)64(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×1story
+26ft-31ft

Overall

803

Females

173

F25-29

35

5K→10K

3.1 - 6.2 mi

Top 32%
×2story building
+38ft-17ft

Overall

768

Females

164

F25-29

37

10K→15K

6.2 - 9.3 mi

Top 33%
×2story building
+26ft-44ft

Overall

803

Females

173

F25-29

35

15K→20K

9.3 - 12.4 mi

Top 40%
×1story
+35ft-22ft

Overall

974

Females

232

F25-29

51

20K→Half

12.4 - 13.1 mi

Top 46%
×1human
+7ft-13ft

Overall

1106

Females

288

F25-29

63

Half→30K

13.1 - 18.6 mi

Top 40%
×2story building
+86ft-72ft

Overall

981

Females

259

F25-29

56

30K→35K

18.6 - 21.8 mi

Top 34%
×2stacked humans
+39ft-39ft

Overall

833

Females

240

F25-29

47

35K→25.2M

21.8 - 25.2 mi

Top 34%
×3story building
+57ft-58ft

Overall

834

Females

275

F25-29

57

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×1human
+17ft-12ft

Overall

891

Females

294

F25-29

66

Passing Analysis

Category:
Athletes Passed
198*
Passed By
293
Net Change
-95
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#730
5K → 10K1134-23#730#753
10K → 15K1324-11#753#764
15K → 20K5*53-48#764#812
20K → Half10*17-7#812#819
Half → 30K49*80-31#819#850
30K → 35K54*40+14#850#836
35K → 25.2M44*40+4#836#832
25.2M → Finish12*5+7#832#825
TOTALS198*293-95

* 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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