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SHAMROCK MARATHON 2026

Chinatsu Mccaw

Sammamish, WA

Bib: 1152 F 55

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 47%
Gender (Female)
#0 / 943
Top 38%
Masters (Masters Women)
#0 / 286
Top 31%
Division (F55-59)
#0 / 22
Top 32%
Race Day Weather
55°/45°F
few clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
10:31/mi
32:40
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
10:30/mi
1:05:17
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
10:13/mi
1:37:01
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
10:05/mi
2:08:21
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
10:02/mi
2:15:05
↓ 130.2%
11 ft elev
30K· 18.64 mi
9:54/mi
3:09:56
↑ 86↓ 72
25 ft elev
35K· 21.75 mi
10:45/mi
3:43:21
↑ 39↓ 39
25 ft elev
25.2M
9:55/mi
4:17:36
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
9:06/mi
4:26:52
↑ 17↓ 12
28 ft elev
Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent

The Course

Half Splits

1st Half· via Half
2:15:0510:19 /mi+2.4%
2nd Half
2:11:4710:03 /mi✓ faster
Negative split — 2.4% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
32:4010:313.11 mi32:40
10:31
-
10K
1:05:1710:303.10 mi32:37
10:30
-0:01
15K
1:37:0110:253.11 mi31:44
10:13
-0:17
20K
2:08:2110:203.11 mi31:20
10:05
-0:08
Half(13.10 mi)
2:15:0510:190.67 mi6:44
10:02
-0:03
30K
3:09:5610:115.54 mi54:51
9:54
-0:08
35K
3:43:2110:163.11 mi33:25
10:45
+0:51
25.2M
4:17:3610:133.45 mi34:15
9:55
-0:50
Finish(26.22 mi)
4:26:5210:111.02 mi9:16
9:06
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:06 /mi

Average Pace

10:11 /mi

Slowest Pace

10:45 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:38:22

37% of race

Time at Steady Pace

2:15:05

51% of race

Time at Slower Pace

33:25

13% of race

Average Pace: 10:11 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi179459214162551111
10K3.10 mi1794590+214180858813
15K3.11 mi1721+73554+3613+1162551111
20K3.11 mi1658+63530+2413148945510
Half(13.10 mi)0.67 mi1626+32521+913142643610
30K5.54 mi1462+164460+6110+311803477
35K3.11 mi1307+155409+518+27832224
25.2M3.45 mi1171+136362+477+15901703
Finish(26.22 mi)1.02 mi1144+27356+676431873

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×1story
+26ft-31ft

Overall

1625

Females

511

F55-59

12

5K→10K

3.1 - 6.2 mi

Top 74%
×2story building
+38ft-17ft

Overall

1808

Females

588

F55-59

14

10K→15K

6.2 - 9.3 mi

Top 67%
×2story building
+26ft-44ft

Overall

1625

Females

511

F55-59

12

15K→20K

9.3 - 12.4 mi

Top 61%
×1story
+35ft-22ft

Overall

1489

Females

455

F55-59

11

20K→Half

12.4 - 13.1 mi

Top 59%
×1human
+7ft-13ft

Overall

1426

Females

436

F55-59

10

Half→30K

13.1 - 18.6 mi

Top 49%
×2story building
+86ft-72ft

Overall

1180

Females

347

F55-59

7

30K→35K

18.6 - 21.8 mi

Top 32%
×2stacked humans
+39ft-39ft

Overall

783

Females

222

F55-59

4

35K→25.2M

21.8 - 25.2 mi

Top 24%
×3story building
+57ft-58ft

Overall

590

Females

170

F55-59

3

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×1human
+17ft-12ft

Overall

643

Females

187

F55-59

3

Passing Analysis

Category:
Passed
706*
Passed By
56
Net Change
+650
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1794
5K → 10K41*410#1794#1794
10K → 15K774+73#1794#1721
15K → 20K66*3+63#1721#1658
20K → Half34*2+32#1658#1626
Half → 30K167*3+164#1626#1462
30K → 35K156*1+155#1462#1307
35K → 25.2M138*2+136#1307#1171
25.2M → Finish27*0+27#1171#1144
TOTALS706*56+650

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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