Shamrock Marathon logo
SHAMROCK MARATHON 2026

Brandon Balathunis

Bib: 1315•M•Age: 35

CHICOPEE, MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 2429
Top 29%
Gender (Male)
#0 / 1480
Top 36%
Division (M35-39)
#0 / 220
Top 36%
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
9:21/mi
29:02
↑ 26↓ 31
10K· 6.21 mi
9:23/mi
58:11
↑ 38↓ 170.1%
15K· 9.32 mi
8:56/mi
1:25:57
↑ 26↓ 440.1%
20K· 12.43 mi
8:53/mi
1:53:32
↑ 35↓ 22
Half· 13.10 mi
9:05/mi
1:59:38
↓ 130.2%
30K· 18.64 mi
8:51/mi
2:48:39
↑ 86↓ 72
35K· 21.75 mi
10:20/mi
3:20:46
↑ 39↓ 39
25.2M
9:19/mi
3:52:54
↑ 57↓ 58
Finish· 26.22 mi
8:01/mi
4:01:04
↑ 17↓ 12

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time1:59:38
Pace9:08 /mi
2nd Half
Distance13.12 mi
Time2:01:26
Pace9:15 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:0929:029:2129:02
9:21
-
10K
6.21 mi08:34:1858:119:2229:09
9:23
+0:02
15K
9.32 mi09:02:041:25:579:1327:46
8:56
-0:27
20K
12.43 mi09:29:391:53:329:0827:35
8:53
-0:03
Half
13.10 mi09:35:451:59:389:086:06
9:05
+0:12
30K
18.64 mi10:24:462:48:399:0349:01
8:51
-0:14
35K
21.75 mi10:56:533:20:469:1432:07
10:20
+1:29
25.2M
25.20 mi11:29:013:52:549:1532:08
9:19
-1:01
Finish
26.22 mi11:37:114:01:049:128:10
8:01
-1:18

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

8:01 /mi

Average Pace

9:12 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:10

3% of race

Time at Steady Pace

2:51:38

71% of race

Time at Slower Pace

1:01:16

25% of race

Average Pace: 9:12 /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 mi08:05:0929:029:2129:02
9:21
#1242
10K
6.21 mi08:34:1858:119:2229:09
9:23
#1276
15K
9.32 mi09:02:041:25:579:1327:46
8:56
#1181
20K
12.43 mi09:29:391:53:329:0827:35
8:53
#1093
Half
13.10 mi09:35:451:59:389:086:06
9:05
#1072
30K
18.64 mi10:24:462:48:399:0349:01
8:51
#910
35K
21.75 mi10:56:533:20:469:1432:07
10:20
#824
25.2M
25.20 mi11:29:013:52:549:1532:08
9:19
#726
Finish
26.22 mi11:37:114:01:049:128:10
8:01
#701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi1242892124979(Top 40%)743(Top 50%)104(Top 47%)
10K6.21 mi3.10 mi1276-34922-30125-11312(Top 54%)936(Top 63%)126(Top 58%)
15K9.32 mi3.11 mi1181+95858+64114+11979(Top 40%)743(Top 50%)104(Top 47%)
20K12.43 mi3.11 mi1093+88810+48109+5870(Top 36%)677(Top 46%)89(Top 41%)
Half13.10 mi0.67 mi1072+21799+11108+1960(Top 40%)733(Top 50%)95(Top 43%)
30K18.64 mi5.54 mi910+162690+10993+15699(Top 29%)547(Top 37%)80(Top 37%)
35K21.75 mi3.11 mi824+86628+6287+6669(Top 28%)492(Top 33%)70(Top 32%)
25.2M25.20 mi3.45 mi726+98558+7081+6437(Top 18%)323(Top 22%)52(Top 24%)
Finish26.22 mi1.02 mi701+25537+2179+2275(Top 11%)210(Top 14%)31(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×1story
+26ft-31ft

Overall

979

Males

743

M35-39

111

5K→10K

3.1 - 6.2 mi

Top 54%
×2story building
+38ft-17ft

Overall

1312

Males

936

M35-39

137

10K→15K

6.2 - 9.3 mi

Top 40%
×2story building
+26ft-44ft

Overall

979

Males

743

M35-39

111

15K→20K

9.3 - 12.4 mi

Top 36%
×1story
+35ft-22ft

Overall

870

Males

677

M35-39

96

20K→Half

12.4 - 13.1 mi

Top 40%
×1human
+7ft-13ft

Overall

960

Males

733

M35-39

100

Half→30K

13.1 - 18.6 mi

Top 29%
×2story building
+86ft-72ft

Overall

699

Males

547

M35-39

82

30K→35K

18.6 - 21.8 mi

Top 28%
×2stacked humans
+39ft-39ft

Overall

669

Males

492

M35-39

71

35K→25.2M

21.8 - 25.2 mi

Top 18%
×3story building
+57ft-58ft

Overall

437

Males

323

M35-39

53

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×1human
+17ft-12ft

Overall

275

Males

210

M35-39

32

Passing Analysis

Category:
Athletes Passed
629*
Passed By
88
Net Change
+541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1242
5K → 10K25*59-34#1242#1276
10K → 15K983+95#1276#1181
15K → 20K90*2+88#1181#1093
20K → Half24*3+21#1093#1072
Half → 30K174*12+162#1072#910
30K → 35K92*6+86#910#824
35K → 25.2M100*2+98#824#726
25.2M → Finish26*1+25#726#701
TOTALS629*88+541

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

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...
🏆 Finisher Certificate
Download or share your official race finisher certificate
Loading certificate...

Your certificate is generated on-demand and can be shared on social media or saved for your records

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management