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SHAMROCK MARATHON 2025

James Gilbert

Bib: 80•M•Age: 40

Norwood, MA

0:00
0:00
/ mi
MastersBQ
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Overall
#0 / 1949
Top 2%
Gender (Male)
#0 / 1153
Top 2%
Masters (Masters Men)
#0 / 398
Top 1%
Division (M40-44)
#0 / 120
Top 0.8%
Race Day Weather
71°/61°F
overcast 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
6:50/mi
21:11
↑ 26↓ 31
10K· 6.21 mi
6:55/mi
42:40
↑ 38↓ 170.1%
15K· 9.32 mi
6:51/mi
1:03:55
↑ 26↓ 440.1%
20K· 12.43 mi
6:48/mi
1:25:02
↑ 35↓ 22
Half· 13.10 mi
7:22/mi
1:29:58
↓ 130.2%
25K· 15.53 mi
6:57/mi
1:46:52
↑ 48↓ 190.2%
30K· 18.64 mi
6:03/mi
2:05:39
↑ 38↓ 52
35K· 21.75 mi
7:22/mi
2:28:30
↑ 39↓ 39
25.2M
6:35/mi
2:51:12
↑ 57↓ 58
Finish· 26.22 mi
6:29/mi
2:57:48
↑ 17↓ 12

The Course

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Half Splits

1st Half· via Half
Distance13.10 mi
Time1:29:58
Pace6:53 /mi
2nd Half✓ Faster
Distance13.12 mi
Time1:27:50
Pace6:42 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:51:2021:116:5021:11
6:50
-
10K
6.21 mi08:12:4942:406:5221:29
6:55
+0:05
15K
9.32 mi08:34:041:03:556:5221:15
6:51
-0:04
20K
12.43 mi08:55:111:25:026:5121:07
6:48
-0:03
Half
13.10 mi09:00:071:29:586:534:56
7:22
+0:34
25K
15.53 mi09:17:011:46:526:5316:54
6:57
-0:25
30K
18.64 mi09:35:482:05:396:4518:47
6:03
-0:54
35K
21.75 mi09:58:392:28:306:5022:51
7:22
+1:19
25.2M
25.20 mi10:21:212:51:126:4822:42
6:35
-0:47
Finish
26.22 mi10:27:572:57:486:486:36
6:29
-0:06

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

6:03 /mi

Average Pace

6:47 /mi

Slowest Pace

7:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:05

27% of race

Time at Steady Pace

1:41:56

57% of race

Time at Slower Pace

27:47

16% of race

Average Pace: 6:47 /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 mi07:51:2021:116:5021:11
6:50
#81
10K
6.21 mi08:12:4942:406:5221:29
6:55
#78
15K
9.32 mi08:34:041:03:556:5221:15
6:51
#78
20K
12.43 mi08:55:111:25:026:5121:07
6:48
#73
Half
13.10 mi09:00:071:29:586:534:56
7:22
#72
25K
15.53 mi09:17:011:46:526:5316:54
6:57
#65
30K
18.64 mi09:35:482:05:396:4518:47
6:03
#60
35K
21.75 mi09:58:392:28:306:5022:51
7:22
#38
25.2M
25.20 mi10:21:212:51:126:4822:42
6:35
#31
Finish
26.22 mi10:27:572:57:486:486:36
6:29
#30
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8171978(Top 4%)72(Top 6%)7(Top 6%)
10K6.21 mi3.10 mi78+369+28+177(Top 4%)67(Top 6%)6(Top 5%)
15K9.32 mi3.11 mi7870-17+178(Top 4%)72(Top 6%)7(Top 6%)
20K12.43 mi3.11 mi73+567+36+160(Top 3%)55(Top 5%)4(Top 3%)
Half13.10 mi0.67 mi72+166+17-166(Top 3%)60(Top 5%)5(Top 4%)
25K15.53 mi2.43 mi65+759+74+348(Top 2%)44(Top 4%)4(Top 3%)
30K18.64 mi3.11 mi60+555+43+140(Top 2%)36(Top 3%)3(Top 3%)
35K21.75 mi3.11 mi38+2234+21314(Top 0.7%)13(Top 1%)2(Top 2%)
25.2M25.20 mi3.45 mi31+728+6313(Top 0.7%)12(Top 1%)1(Top 0.8%)
Finish26.22 mi1.02 mi30+127+12+132(Top 2%)32(Top 3%)3(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×1story
+26ft-31ft

Overall

78

Males

72

M40-44

7

5K→10K

3.1 - 6.2 mi

Top 4%
×2story building
+38ft-17ft

Overall

77

Males

67

M40-44

6

10K→15K

6.2 - 9.3 mi

Top 4%
×2story building
+26ft-44ft

Overall

78

Males

72

M40-44

7

15K→20K

9.3 - 12.4 mi

Top 3%
×1story
+35ft-22ft

Overall

60

Males

55

M40-44

4

20K→Half

12.4 - 13.1 mi

Top 3%
×1human
+7ft-13ft

Overall

66

Males

60

M40-44

5

Half→25K

13.1 - 15.5 mi

Top 2%
×2story building
+48ft-19ft

Overall

48

Males

44

M40-44

4

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+38ft-52ft

Overall

40

Males

36

M40-44

3

30K→35K

18.6 - 21.8 mi

Top 0.7%
×2stacked humans
+39ft-39ft

Overall

14

Males

13

M40-44

2

35K→25.2M

21.8 - 25.2 mi

Top 0.7%
×3story building
+57ft-58ft

Overall

13

Males

12

M40-44

1

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×1human
+17ft-12ft

Overall

32

Males

32

M40-44

3

Passing Analysis

Category:
Athletes Passed
69
Passed By
18
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#81
5K → 10K96+3#81#78
10K → 15K550#78#78
15K → 20K72+5#78#73
20K → Half32+1#73#72
Half → 25K92+7#72#65
25K → 30K61+5#65#60
30K → 35K220+22#60#38
35K → 25.2M70+7#38#31
25.2M → Finish10+1#31#30
TOTALS6918+51
📊

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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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management