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SHAMROCK MARATHON 2026

Alyssa Shaffer

Coatesville, PA

Bib: 1303 F 24

0:00
0:00
/ mi
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Overall
#0 / 2429
Top 25%
Gender (Female)
#0 / 943
Top 14%
Division (F20-24)
#0 / 155
Top 18%
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
9:15/mi
28:43
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
8:57/mi
56:30
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
8:43/mi
1:23:35
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
8:49/mi
1:51:00
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
8:49/mi
1:56:55
↓ 130.2%
11 ft elev
30K· 18.64 mi
8:44/mi
2:45:18
↑ 86↓ 72
25 ft elev
35K· 21.75 mi
9:53/mi
3:15:59
↑ 39↓ 39
25 ft elev
25.2M
9:12/mi
3:47:45
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
8:20/mi
3:56:15
↑ 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
1:56:558:56 /mi⚡ faster
2nd Half
1:59:209:06 /mi+2.1%
Positive split — 2.1% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:4928:439:1528:43
9:15
-
10K
6.21 mi08:32:3656:309:0627:47
8:57
-0:18
15K
9.32 mi08:59:411:23:358:5827:05
8:43
-0:14
20K
12.43 mi09:27:061:51:008:5627:25
8:49
+0:06
Half
13.10 mi09:33:011:56:558:565:55
8:49
0:00
30K
18.64 mi10:21:242:45:188:5248:23
8:44
-0:05
35K
21.75 mi10:52:053:15:599:0130:41
9:53
+1:09
25.2M
25.20 mi11:23:513:47:459:0231:46
9:12
-0:41
Finish
26.22 mi11:32:213:56:159:018:30
8:20
-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

8:20 /mi

Average Pace

9:01 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:05

61% of race

Time at Steady Pace

1:00:29

26% of race

Time at Slower Pace

30:41

13% of race

Average Pace: 9:01 /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.

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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 mi08:04:4928:439:1528:43
9:15
#1171
10K
6.21 mi08:32:3656:309:0627:47
8:57
#1081
15K
9.32 mi08:59:411:23:358:5827:05
8:43
#995
20K
12.43 mi09:27:061:51:008:5627:25
8:49
#943
Half
13.10 mi09:33:011:56:558:565:55
8:49
#921
30K
18.64 mi10:21:242:45:188:5248:23
8:44
#790
35K
21.75 mi10:52:053:15:599:0130:41
9:53
#718
25.2M
25.20 mi11:23:513:47:459:0231:46
9:12
#634
Finish
26.22 mi11:32:213:56:159:018:30
8:20
#617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi11713156381918339
10K6.21 mi3.10 mi1081+90282+3361+2100725453
15K9.32 mi3.11 mi995+86242+4049+1281918339
20K12.43 mi3.11 mi943+52225+1747+283518040
Half13.10 mi0.67 mi921+22218+746+177416235
30K18.64 mi5.54 mi790+131169+4938+864713527
35K21.75 mi3.11 mi718+72156+1333+554812826
25.2M25.20 mi3.45 mi634+84135+2128+541410321
Finish26.22 mi1.02 mi617+17131+4283749524

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×1story
+26ft-31ft

Overall

819

Females

183

F20-24

40

5K→10K

3.1 - 6.2 mi

Top 41%
×2story building
+38ft-17ft

Overall

1007

Females

254

F20-24

54

10K→15K

6.2 - 9.3 mi

Top 34%
×2story building
+26ft-44ft

Overall

819

Females

183

F20-24

40

15K→20K

9.3 - 12.4 mi

Top 34%
×1story
+35ft-22ft

Overall

835

Females

180

F20-24

41

20K→Half

12.4 - 13.1 mi

Top 32%
×1human
+7ft-13ft

Overall

774

Females

162

F20-24

36

Half→30K

13.1 - 18.6 mi

Top 27%
×2story building
+86ft-72ft

Overall

647

Females

135

F20-24

28

30K→35K

18.6 - 21.8 mi

Top 23%
×2stacked humans
+39ft-39ft

Overall

548

Females

128

F20-24

27

35K→25.2M

21.8 - 25.2 mi

Top 17%
×3story building
+57ft-58ft

Overall

414

Females

103

F20-24

21

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×1human
+17ft-12ft

Overall

374

Females

95

F20-24

24

Passing Analysis

Category:
Athletes Passed
587*
Passed By
33
Net Change
+554
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1171
5K → 10K94*4+90#1171#1081
10K → 15K860+86#1081#995
15K → 20K60*8+52#995#943
20K → Half24*2+22#943#921
Half → 30K138*7+131#921#790
30K → 35K78*6+72#790#718
35K → 25.2M90*6+84#718#634
25.2M → Finish17*0+17#634#617
TOTALS587*33+554

* 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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Public Race Data

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J & A Racing

Big River Race Management

Big River Race Management