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BOSTON MARATHON 2026

Mike Halasinski

Bib: 23172•M

CT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:05
3.11 mi
Rank: #21289
Start → 5K
27:05 | 8:44/mi
10K
54:02
6.21 mi
Rank: #21289
5K → 10K
26:57 | 8:41/mi
15K
1:20:46
9.32 mi
Rank: #21104 (+185)
10K → 15K
26:44 | 8:37/mi
20K
1:47:55
12.43 mi
Rank: #20963 (+141)
15K → 20K
27:09 | 8:45/mi
HALF
1:53:41
13.11 mi
Rank: #20912 (+51)
20K → HALF
5:46 | 8:28/mi
25K
2:15:12
15.53 mi
Rank: #20842 (+70)
HALF → 25K
21:31 | 8:53/mi
30K
2:43:55
18.64 mi
Rank: #20807 (+35)
25K → 30K
28:43 | 9:15/mi
20M
2:56:34
20.00 mi
Rank: #20776 (+31)
30K → 20M
12:39 | 9:19/mi
21M
3:06:58
21.00 mi
Rank: #20809 (-33)
20M → 21M
10:24 | 10:24/mi
35K
3:13:29
21.75 mi
Rank: #20733 (+76)
21M → 35K
6:31 | 8:43/mi
23M
3:25:04
23.00 mi
Rank: #20686 (+47)
35K → 23M
11:35 | 9:16/mi
24M
3:34:06
24.00 mi
Rank: #20631 (+55)
23M → 24M
9:02 | 9:02/mi
40K
3:42:12
24.85 mi
Rank: #20638 (-7)
24M → 40K
8:06 | 9:29/mi
25.2M
3:45:42
25.20 mi
Rank: #20626 (+12)
40K → 25.2M
3:30 | 10:09/mi
FINISH
3:54:32
26.22 mi
Rank: #20573 (+53)
25.2M → FINISH
8:50 | 8:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:41
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:00:51
Pace9:14 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1727:058:4427:05
8:44
-
10K
6.21 mi11:56:1454:028:4226:57
8:41
-0:03
15K
9.32 mi12:22:581:20:468:4026:44
8:37
-0:04
20K
12.43 mi12:50:071:47:558:4227:09
8:45
+0:08
HALF
13.11 mi12:55:531:53:418:415:46
8:28
-0:17
25K
15.53 mi13:17:242:15:128:4321:31
8:53
+0:25
30K
18.64 mi13:46:072:43:558:4828:43
9:15
+0:22
20M
20.00 mi13:58:462:56:348:5012:39
9:19
+0:04
21M
21.00 mi14:09:103:06:588:5510:24
10:24
+1:05
35K
21.75 mi14:15:413:13:298:546:31
8:43
-1:41
23M
23.00 mi14:27:163:25:048:5511:35
9:16
+0:33
24M
24.00 mi14:36:183:34:068:569:02
9:02
-0:14
40K
24.85 mi14:44:243:42:128:578:06
9:29
+0:27
25.2M
25.20 mi14:47:543:45:428:583:30
10:09
+0:40
FINISH
26.22 mi14:56:443:54:328:588:50
8:41
-1:28

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:28 /mi

Average Pace

8:57 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

5:46

2% of race

Time at Steady Pace

2:33:49

66% of race

Time at Slower Pace

1:14:57

32% of race

Average Pace: 8:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:29:1727:058:4427:05
8:44
#21289
10K
6.21 mi11:56:1454:028:4226:57
8:41
#21289
15K
9.32 mi12:22:581:20:468:4026:44
8:37
#21104
20K
12.43 mi12:50:071:47:558:4227:09
8:45
#20963
HALF
13.11 mi12:55:531:53:418:415:46
8:28
#20912
25K
15.53 mi13:17:242:15:128:4321:31
8:53
#20842
30K
18.64 mi13:46:072:43:558:4828:43
9:15
#20807
20M
20.00 mi13:58:462:56:348:5012:39
9:19
#20776
21M
21.00 mi14:09:103:06:588:5510:24
10:24
#20809
35K
21.75 mi14:15:413:13:298:546:31
8:43
#20733
23M
23.00 mi14:27:163:25:048:5511:35
9:16
#20686
24M
24.00 mi14:36:183:34:068:569:02
9:02
#20631
40K
24.85 mi14:44:243:42:128:578:06
9:29
#20638
25.2M
25.20 mi14:47:543:45:428:583:30
10:09
#20626
FINISH
26.22 mi14:56:443:54:328:588:50
8:41
#20573
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21289128741287420695(Top 71%)12653(Top 77%)12653(Top 836%)
10K6.21 mi3.10 mi2128912890-1612890-1621290(Top 73%)12916(Top 79%)12916(Top 853%)
15K9.32 mi3.11 mi21104+18512817+7312817+7320695(Top 71%)12653(Top 77%)12653(Top 836%)
20K12.43 mi3.11 mi20963+14112744+7312744+7320647(Top 71%)12593(Top 77%)12593(Top 832%)
HALF13.11 mi0.68 mi20912+5112715+2912715+2919995(Top 69%)12336(Top 75%)12336(Top 815%)
25K15.53 mi2.42 mi20842+7012676+3912676+3920564(Top 71%)12528(Top 77%)12528(Top 827%)
30K18.64 mi3.11 mi20807+3512637+3912637+3920701(Top 71%)12518(Top 77%)12518(Top 827%)
20M20.00 mi1.36 mi20776+3112614+2312614+2320317(Top 70%)12257(Top 75%)12257(Top 810%)
21M21.00 mi1.00 mi20809-3312621-712621-721665(Top 75%)12862(Top 79%)12862(Top 850%)
35K21.75 mi0.75 mi20733+7612578+4312578+4318670(Top 64%)11368(Top 70%)11368(Top 751%)
23M23.00 mi1.25 mi20686+4712541+3712541+3719642(Top 68%)11767(Top 72%)11767(Top 777%)
24M24.00 mi1.00 mi20631+5512500+4112500+4119593(Top 68%)11677(Top 71%)11677(Top 771%)
40K24.85 mi0.85 mi20638-712491+912491+920276(Top 70%)11993(Top 73%)11993(Top 792%)
25.2M25.20 mi0.35 mi20626+1212485+612485+619901(Top 69%)11808(Top 72%)11808(Top 780%)
FINISH26.22 mi1.02 mi20573+5312441+4412441+4418993(Top 65%)11374(Top 70%)11374(Top 751%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20695

Males

12653

M60-64

12653

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21290

Males

12916

M60-64

12916

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20695

Males

12653

M60-64

12653

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20647

Males

12593

M60-64

12593

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19995

Males

12336

M60-64

12336

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20564

Males

12528

M60-64

12528

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20701

Males

12518

M60-64

12518

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20317

Males

12257

M60-64

12257

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21665

Males

12862

M60-64

12862

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18670

Males

11368

M60-64

11368

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19642

Males

11767

M60-64

11767

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19593

Males

11677

M60-64

11677

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20276

Males

11993

M60-64

11993

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1
+13ft-16ft

Overall

19901

Males

11808

M60-64

11808

25.2M→FINISH

25.2 - 26.2 mi

Top 65%
×2
+22ft-21ft

Overall

18993

Males

11374

M60-64

11374

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1763
Passed By
1047
Net Change
+716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21289
5K → 10K2762760#21289#21289
10K → 15K291106+185#21289#21104
15K → 20K22887+141#21104#20963
20K → HALF6110+51#20963#20912
HALF → 25K14878+70#20912#20842
25K → 30K174139+35#20842#20807
30K → 20M8857+31#20807#20776
20M → 21M67100-33#20776#20809
21M → 35K8812+76#20809#20733
35K → 23M9245+47#20733#20686
23M → 24M8025+55#20686#20631
24M → 40K5158-7#20631#20638
40K → 25.2M3725+12#20638#20626
25.2M → FINISH8229+53#20626#20573
TOTALS17631047+716
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing