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BOSTON MARATHON 2026

Jaroslaw Zajac

Bib: 26042•M

NY

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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 (M70-74)
#0 / 281
Top 50%
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
29:38
3.11 mi
Rank: #24586
Start → 5K
29:38 | 9:33/mi
10K
59:04
6.21 mi
Rank: #24546 (+40)
5K → 10K
29:26 | 9:29/mi
15K
1:28:40
9.32 mi
Rank: #24522 (+24)
10K → 15K
29:36 | 9:32/mi
20K
1:58:48
12.43 mi
Rank: #24498 (+24)
15K → 20K
30:08 | 9:42/mi
HALF
2:05:21
13.11 mi
Rank: #24505 (-7)
20K → HALF
6:33 | 9:37/mi
25K
2:30:05
15.53 mi
Rank: #24543 (-38)
HALF → 25K
24:44 | 10:12/mi
30K
3:02:52
18.64 mi
Rank: #24512 (+31)
25K → 30K
32:47 | 10:34/mi
20M
3:17:35
20.00 mi
Rank: #24519 (-7)
30K → 20M
14:43 | 10:51/mi
21M
3:28:27
21.00 mi
Rank: #24423 (+96)
20M → 21M
10:52 | 10:52/mi
35K
3:35:47
21.75 mi
Rank: #24345 (+78)
21M → 35K
7:20 | 9:49/mi
23M
3:47:32
23.00 mi
Rank: #24102 (+243)
35K → 23M
11:45 | 9:24/mi
24M
3:56:45
24.00 mi
Rank: #23945 (+157)
23M → 24M
9:13 | 9:13/mi
40K
4:04:49
24.85 mi
Rank: #23820 (+125)
24M → 40K
8:04 | 9:27/mi
25.2M
4:08:30
25.20 mi
Rank: #23780 (+40)
40K → 25.2M
3:41 | 10:41/mi
FINISH
4:17:42
26.22 mi
Rank: #23660 (+120)
25.2M → FINISH
9:12 | 9:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:05:21
Pace9:34 /mi
2nd Half
Distance13.11 mi
Time2:12:21
Pace10:06 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:4629:389:3329:38
9:33
-
10K
6.21 mi12:06:1259:049:3129:26
9:29
-0:04
15K
9.32 mi12:35:481:28:409:3129:36
9:32
+0:03
20K
12.43 mi13:05:561:58:489:3430:08
9:42
+0:10
HALF
13.11 mi13:12:292:05:219:346:33
9:37
-0:05
25K
15.53 mi13:37:132:30:059:4024:44
10:12
+0:35
30K
18.64 mi14:10:003:02:529:4932:47
10:34
+0:22
20M
20.00 mi14:24:433:17:359:5314:43
10:51
+0:17
21M
21.00 mi14:35:353:28:279:5610:52
10:52
+0:01
35K
21.75 mi14:42:553:35:479:567:20
9:49
-1:03
23M
23.00 mi14:54:403:47:329:5411:45
9:24
-0:25
24M
24.00 mi15:03:533:56:459:529:13
9:13
-0:11
40K
24.85 mi15:11:574:04:499:518:04
9:27
+0:14
25.2M
25.20 mi15:15:384:08:309:523:41
10:41
+1:14
FINISH
26.22 mi15:24:504:17:429:519:12
9:02
-1:39

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

9:02 /mi

Average Pace

9:50 /mi

Slowest Pace

10:52 /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

18:25

7% of race

Time at Steady Pace

2:32:30

59% of race

Time at Slower Pace

1:26:47

34% of race

Average Pace: 9:50 /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 mi11:36:4629:389:3329:38
9:33
#24586
10K
6.21 mi12:06:1259:049:3129:26
9:29
#24546
15K
9.32 mi12:35:481:28:409:3129:36
9:32
#24522
20K
12.43 mi13:05:561:58:489:3430:08
9:42
#24498
HALF
13.11 mi13:12:292:05:219:346:33
9:37
#24505
25K
15.53 mi13:37:132:30:059:4024:44
10:12
#24543
30K
18.64 mi14:10:003:02:529:4932:47
10:34
#24512
20M
20.00 mi14:24:433:17:359:5314:43
10:51
#24519
21M
21.00 mi14:35:353:28:279:5610:52
10:52
#24423
35K
21.75 mi14:42:553:35:479:567:20
9:49
#24345
23M
23.00 mi14:54:403:47:329:5411:45
9:24
#24102
24M
24.00 mi15:03:533:56:459:529:13
9:13
#23945
40K
24.85 mi15:11:574:04:499:518:04
9:27
#23820
25.2M
25.20 mi15:15:384:08:309:523:41
10:41
#23780
FINISH
26.22 mi15:24:504:17:429:519:12
9:02
#23660
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi24586145201452024501(Top 84%)14485(Top 89%)14485(Top 5155%)
10K6.21 mi3.10 mi24546+4014511+914511+924503(Top 84%)14490(Top 89%)14490(Top 5157%)
15K9.32 mi3.11 mi24522+2414505+614505+624501(Top 84%)14485(Top 89%)14485(Top 5155%)
20K12.43 mi3.11 mi24498+2414490+1514490+1524299(Top 84%)14374(Top 88%)14374(Top 5115%)
HALF13.11 mi0.68 mi24505-714493-314493-324641(Top 85%)14520(Top 89%)14520(Top 5167%)
25K15.53 mi2.42 mi24543-3814500-714500-724760(Top 85%)14556(Top 89%)14556(Top 5180%)
30K18.64 mi3.11 mi24512+3114456+4414456+4424414(Top 84%)14255(Top 87%)14255(Top 5073%)
20M20.00 mi1.36 mi24519-714439+1714439+1724578(Top 85%)14255(Top 87%)14255(Top 5073%)
21M21.00 mi1.00 mi24423+9614382+5714382+5722816(Top 79%)13410(Top 82%)13410(Top 4772%)
35K21.75 mi0.75 mi24345+7814334+4814334+4822626(Top 78%)13273(Top 81%)13273(Top 4723%)
23M23.00 mi1.25 mi24102+24314195+13914195+13920202(Top 70%)12065(Top 74%)12065(Top 4294%)
24M24.00 mi1.00 mi23945+15714103+9214103+9220339(Top 70%)12050(Top 74%)12050(Top 4288%)
40K24.85 mi0.85 mi23820+12514037+6614037+6620140(Top 69%)11930(Top 73%)11930(Top 4246%)
25.2M25.20 mi0.35 mi23780+4014012+2514012+2521593(Top 74%)12651(Top 77%)12651(Top 4502%)
FINISH26.22 mi1.02 mi23660+12013938+7413938+7420628(Top 71%)12174(Top 75%)12174(Top 4332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21
+97ft-345ft

Overall

24501

Males

14485

M70-74

14485

5K→10K

3.1 - 6.2 mi

Top 84%
×5
+79ft-138ft

Overall

24503

Males

14490

M70-74

14490

10K→15K

6.2 - 9.3 mi

Top 84%
×3
+67ft-78ft

Overall

24501

Males

14485

M70-74

14485

15K→20K

9.3 - 12.4 mi

Top 84%
×5
+106ft-86ft

Overall

24299

Males

14374

M70-74

14374

20K→HALF

12.4 - 13.1 mi

Top 85%
×2
+19ft-37ft

Overall

24641

Males

14520

M70-74

14520

HALF→25K

13.1 - 15.5 mi

Top 85%
×4
+66ft-88ft

Overall

24760

Males

14556

M70-74

14556

25K→30K

15.5 - 18.6 mi

Top 84%
×9
+181ft-148ft

Overall

24414

Males

14255

M70-74

14255

30K→20M

18.6 - 20.0 mi

Top 85%
×5
+64ft-50ft

Overall

24578

Males

14255

M70-74

14255

20M→21M

20.0 - 21.0 mi

Top 79%
×8
+106ft-24ft

Overall

22816

Males

13410

M70-74

13410

21M→35K

21.0 - 21.8 mi

Top 78%
×7
+17ft-86ft

Overall

22626

Males

13273

M70-74

13273

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20202

Males

12065

M70-74

12065

23M→24M

23.0 - 24.0 mi

Top 70%
×6
+12ft-82ft

Overall

20339

Males

12050

M70-74

12050

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20140

Males

11930

M70-74

11930

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21593

Males

12651

M70-74

12651

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20628

Males

12174

M70-74

12174

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1778
Passed By
852
Net Change
+926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24586
5K → 10K252212+40#24586#24546
10K → 15K147123+24#24546#24522
15K → 20K141117+24#24522#24498
20K → HALF1724-7#24498#24505
HALF → 25K94132-38#24505#24543
25K → 30K159128+31#24543#24512
30K → 20M6471-7#24512#24519
20M → 21M11418+96#24519#24423
21M → 35K846+78#24423#24345
35K → 23M2430+243#24345#24102
23M → 24M1625+157#24102#23945
24M → 40K1272+125#23945#23820
40K → 25.2M455+40#23820#23780
25.2M → FINISH1299+120#23780#23660
TOTALS1778852+926

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📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing