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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Zachary Lassack

Bib: 1431 β€’M β€’Age: N/A

MD

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 4%
Gender (Male)
#0 / 16340
Top 6%
Age Group (M18-39)
#0 / 5723
Top 16%
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Zachary

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 5:41/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
19:14
3.11 mi
Rank: #2046
Start β†’ 5K
19:14 | 6:12/mi
10K
38:02
6.21 mi
Rank: #1775 (+271)
5K β†’ 10K
18:48 | 6:04/mi
15K
56:44
9.32 mi
Rank: #1652 (+123)
10K β†’ 15K
18:42 | 6:02/mi
20K
1:15:27
12.43 mi
Rank: #1553 (+99)
15K β†’ 20K
18:43 | 6:02/mi
HALF
1:19:26
13.11 mi
Rank: #1508 (+45)
20K β†’ HALF
3:59 | 5:51/mi
25K
1:33:58
15.53 mi
Rank: #1411 (+97)
HALF β†’ 25K
14:32 | 6:00/mi
30K
1:53:05
18.64 mi
Rank: #1331 (+80)
25K β†’ 30K
19:07 | 6:10/mi
20M
2:01:31
20.00 mi
Rank: #1312 (+19)
30K β†’ 20M
8:26 | 6:13/mi
21M
2:07:56
21.00 mi
Rank: #1277 (+35)
20M β†’ 21M
6:25 | 6:25/mi
35K
2:12:24
21.75 mi
Rank: #1260 (+17)
21M β†’ 35K
4:28 | 5:59/mi
23M
2:19:56
23.00 mi
Rank: #1184 (+76)
35K β†’ 23M
7:32 | 6:02/mi
24M
2:25:52
24.00 mi
Rank: #1164 (+20)
23M β†’ 24M
5:56 | 5:56/mi
40K
2:30:55
24.85 mi
Rank: #1115 (+49)
24M β†’ 40K
5:03 | 5:55/mi
25.2M
2:33:06
25.20 mi
Rank: #1101 (+14)
40K β†’ 25.2M
2:11 | 6:20/mi
FINISH
2:38:53
26.22 mi
Rank: #1059 (+42)
25.2M β†’ FINISH
5:47 | 5:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:19:26
Pace6:04 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:19:27
Pace6:04 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5919:146:1219:14
6:12
-
10K
6.21 mi10:38:4738:026:0818:48
6:04
-0:08
15K
9.32 mi10:57:2956:446:0618:42
6:02
-0:02
20K
12.43 mi11:16:121:15:276:0518:43
6:02
0:00
HALF
13.11 mi11:20:111:19:266:043:59
5:51
-0:11
25K
15.53 mi11:34:431:33:586:0314:32
6:00
+0:09
30K
18.64 mi11:53:501:53:056:0419:07
6:10
+0:10
20M
20.00 mi12:02:162:01:316:058:26
6:13
+0:03
21M
21.00 mi12:08:412:07:566:066:25
6:25
+0:12
35K
21.75 mi12:13:092:12:246:064:28
5:59
-0:26
23M
23.00 mi12:20:412:19:566:067:32
6:02
+0:03
24M
24.00 mi12:26:372:25:526:055:56
5:56
-0:06
40K
24.85 mi12:31:402:30:556:055:03
5:55
-0:01
25.2M
25.20 mi12:33:512:33:066:052:11
6:20
+0:25
FINISH
26.22 mi12:39:382:38:536:045:47
5:41
-0:39

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

5:41 /mi

Average Pace

6:04 /mi

Slowest Pace

6:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:30:17

95% of race

Time at Steady Pace

8:36

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:19:5919:146:1219:14
6:12
#2046
10K
6.21 mi10:38:4738:026:0818:48
6:04
#1775
15K
9.32 mi10:57:2956:446:0618:42
6:02
#1652
20K
12.43 mi11:16:121:15:276:0518:43
6:02
#1553
HALF
13.11 mi11:20:111:19:266:043:59
5:51
#1508
25K
15.53 mi11:34:431:33:586:0314:32
6:00
#1411
30K
18.64 mi11:53:501:53:056:0419:07
6:10
#1331
20M
20.00 mi12:02:162:01:316:058:26
6:13
#1312
21M
21.00 mi12:08:412:07:566:066:25
6:25
#1277
35K
21.75 mi12:13:092:12:246:064:28
5:59
#1260
23M
23.00 mi12:20:412:19:566:067:32
6:02
#1184
24M
24.00 mi12:26:372:25:526:055:56
5:56
#1164
40K
24.85 mi12:31:402:30:556:055:03
5:55
#1115
25.2M
25.20 mi12:33:512:33:066:052:11
6:20
#1101
FINISH
26.22 mi12:39:382:38:536:045:47
5:41
#1059
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2046197019701429(Top 5%)1374(Top 8%)1374(Top 24%)
10K6.21 mi3.10 mi1775+2711708+2621708+2621558(Top 5%)1498(Top 9%)1498(Top 26%)
15K9.32 mi3.11 mi1652+1231591+1171591+1171429(Top 5%)1374(Top 8%)1374(Top 24%)
20K12.43 mi3.11 mi1553+991496+951496+951258(Top 4%)1211(Top 7%)1211(Top 21%)
HALF13.11 mi0.68 mi1508+451451+451451+45842(Top 3%)808(Top 5%)808(Top 14%)
25K15.53 mi2.42 mi1411+971359+921359+921044(Top 4%)1002(Top 6%)1002(Top 18%)
30K18.64 mi3.11 mi1331+801280+791280+791114(Top 4%)1072(Top 7%)1072(Top 19%)
20M20.00 mi1.36 mi1312+191265+151265+151187(Top 4%)1141(Top 7%)1141(Top 20%)
21M21.00 mi1.00 mi1277+351231+341231+341006(Top 3%)964(Top 6%)964(Top 17%)
35K21.75 mi0.75 mi1260+171214+171214+171087(Top 4%)1045(Top 6%)1045(Top 18%)
23M23.00 mi1.25 mi1184+761139+751139+75725(Top 2%)693(Top 4%)693(Top 12%)
24M24.00 mi1.00 mi1164+201118+211118+21873(Top 3%)834(Top 5%)834(Top 15%)
40K24.85 mi0.85 mi1115+491070+481070+48561(Top 2%)536(Top 3%)536(Top 9%)
25.2M25.20 mi0.35 mi1101+141056+141056+14532(Top 2%)512(Top 3%)512(Top 9%)
FINISH26.22 mi1.02 mi1059+421015+411015+41669(Top 2%)640(Top 4%)640(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
Γ—21
+97ft-345ft

Overall

1429

Males

1374

M18-39

1374

5K→10K

3.1 - 6.2 mi

Top 5%
Γ—5
+79ft-138ft

Overall

1558

Males

1498

M18-39

1498

10K→15K

6.2 - 9.3 mi

Top 5%
Γ—3
+67ft-78ft

Overall

1429

Males

1374

M18-39

1374

15K→20K

9.3 - 12.4 mi

Top 4%
Γ—5
+106ft-86ft

Overall

1258

Males

1211

M18-39

1211

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

842

Males

808

M18-39

808

HALF→25K

13.1 - 15.5 mi

Top 4%
Γ—4
+66ft-88ft

Overall

1044

Males

1002

M18-39

1002

25K→30K

15.5 - 18.6 mi

Top 4%
Γ—9
+181ft-148ft

Overall

1114

Males

1072

M18-39

1072

30K→20M

18.6 - 20.0 mi

Top 4%
Γ—5
+64ft-50ft

Overall

1187

Males

1141

M18-39

1141

20M→21M

20.0 - 21.0 mi

Top 3%
Γ—8
+106ft-24ft

Overall

1006

Males

964

M18-39

964

21M→35K

21.0 - 21.8 mi

Top 4%
Γ—7
+17ft-86ft

Overall

1087

Males

1045

M18-39

1045

35K→23M

21.8 - 23.0 mi

Top 2%
Γ—5
+23ft-63ft

Overall

725

Males

693

M18-39

693

23M→24M

23.0 - 24.0 mi

Top 3%
Γ—6
+12ft-82ft

Overall

873

Males

834

M18-39

834

24M→40K

24.0 - 24.9 mi

Top 2%
Γ—1
+6ft-20ft

Overall

561

Males

536

M18-39

536

40K→25.2M

24.9 - 25.2 mi

Top 2%
Γ—1
+13ft-16ft

Overall

532

Males

512

M18-39

512

25.2M→FINISH

25.2 - 26.2 mi

Top 2%
Γ—2
+22ft-21ft

Overall

669

Males

640

M18-39

640

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1095*
Passed By
108
Net Change
+987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2046
5K β†’ 10K283*12+271#2046#1775
10K β†’ 15K13613+123#1775#1652
15K β†’ 20K10910+99#1652#1553
20K β†’ HALF450+45#1553#1508
HALF β†’ 25K981+97#1508#1411
25K β†’ 30K10424+80#1411#1331
30K β†’ 20M3314+19#1331#1312
20M β†’ 21M427+35#1312#1277
21M β†’ 35K236+17#1277#1260
35K β†’ 23M771+76#1260#1184
23M β†’ 24M3111+20#1184#1164
24M β†’ 40K512+49#1164#1115
40K β†’ 25.2M162+14#1115#1101
25.2M β†’ FINISH475+42#1101#1059
TOTALS1095*108+987

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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