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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Grzegorz Zielinski

Bib: 11258 •M •Age: N/A

IL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 33%
Gender (Male)
#0 / 16340
Top 46%
Masters (Masters Men)
#0 / 10617
Top 35%
Age Group (M50-54)
#0 / 1868
Top 33%
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
21:55
3.11 mi
Rank: #8998
Start → 5K
21:55 | 7:04/mi
10K
43:50
6.21 mi
Rank: #8999 (-1)
5K → 10K
21:55 | 7:04/mi
15K
1:05:44
9.32 mi
Rank: #8943 (+56)
10K → 15K
21:54 | 7:03/mi
20K
1:27:50
12.43 mi
Rank: #8845 (+98)
15K → 20K
22:06 | 7:07/mi
HALF
1:32:35
13.11 mi
Rank: #8816 (+29)
20K → HALF
4:45 | 6:59/mi
25K
1:50:13
15.53 mi
Rank: #8879 (-63)
HALF → 25K
17:38 | 7:17/mi
30K
2:13:34
18.64 mi
Rank: #8947 (-68)
25K → 30K
23:21 | 7:31/mi
20M
2:24:06
20.00 mi
Rank: #9058 (-111)
30K → 20M
10:32 | 7:46/mi
21M
2:32:27
21.00 mi
Rank: #9221 (-163)
20M → 21M
8:21 | 8:21/mi
35K
2:37:55
21.75 mi
Rank: #9184 (+37)
21M → 35K
5:28 | 7:19/mi
23M
2:47:55
23.00 mi
Rank: #9301 (-117)
35K → 23M
10:00 | 8:00/mi
24M
2:55:44
24.00 mi
Rank: #9400 (-99)
23M → 24M
7:49 | 7:49/mi
40K
3:02:43
24.85 mi
Rank: #9557 (-157)
24M → 40K
6:59 | 8:11/mi
25.2M
3:05:45
25.20 mi
Rank: #9612 (-55)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:13:21
26.22 mi
Rank: #9651 (-39)
25.2M → FINISH
7:36 | 7:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:35
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:40:46
Pace7:42 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:3721:557:0421:55
7:04
-
10K
6.21 mi11:01:3243:507:0421:55
7:04
0:00
15K
9.32 mi11:23:261:05:447:0421:54
7:03
-0:01
20K
12.43 mi11:45:321:27:507:0522:06
7:07
+0:04
HALF
13.11 mi11:50:171:32:357:044:45
6:59
-0:08
25K
15.53 mi12:07:551:50:137:0617:38
7:17
+0:18
30K
18.64 mi12:31:162:13:347:1023:21
7:31
+0:14
20M
20.00 mi12:41:482:24:067:1310:32
7:46
+0:15
21M
21.00 mi12:50:092:32:277:168:21
8:21
+0:35
35K
21.75 mi12:55:372:37:557:165:28
7:19
-1:02
23M
23.00 mi13:05:372:47:557:1910:00
8:00
+0:41
24M
24.00 mi13:13:262:55:447:207:49
7:49
-0:11
40K
24.85 mi13:20:253:02:437:226:59
8:11
+0:22
25.2M
25.20 mi13:23:273:05:457:233:02
8:48
+0:37
FINISH
26.22 mi13:31:033:13:217:237:36
7:28
-1:20

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

6:59 /mi

Average Pace

7:23 /mi

Slowest Pace

8:48 /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

1:32:35

48% of race

Time at Steady Pace

54:03

28% of race

Time at Slower Pace

46:43

24% of race

Average Pace: 7:22 /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 mi10:39:3721:557:0421:55
7:04
#8998
10K
6.21 mi11:01:3243:507:0421:55
7:04
#8999
15K
9.32 mi11:23:261:05:447:0421:54
7:03
#8943
20K
12.43 mi11:45:321:27:507:0522:06
7:07
#8845
HALF
13.11 mi11:50:171:32:357:044:45
6:59
#8816
25K
15.53 mi12:07:551:50:137:0617:38
7:17
#8879
30K
18.64 mi12:31:162:13:347:1023:21
7:31
#8947
20M
20.00 mi12:41:482:24:067:1310:32
7:46
#9058
21M
21.00 mi12:50:092:32:277:168:21
8:21
#9221
35K
21.75 mi12:55:372:37:557:165:28
7:19
#9184
23M
23.00 mi13:05:372:47:557:1910:00
8:00
#9301
24M
24.00 mi13:13:262:55:447:207:49
7:49
#9400
40K
24.85 mi13:20:253:02:437:226:59
8:11
#9557
25.2M
25.20 mi13:23:273:05:457:233:02
8:48
#9612
FINISH
26.22 mi13:31:033:13:217:237:36
7:28
#9651
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8998755175518878(Top 31%)7411(Top 45%)7411(Top 397%)
10K6.21 mi3.10 mi8999-17522+297522+299070(Top 31%)7542(Top 46%)7542(Top 404%)
15K9.32 mi3.11 mi8943+567478+447478+448878(Top 31%)7411(Top 45%)7411(Top 397%)
20K12.43 mi3.11 mi8845+987401+777401+778678(Top 30%)7232(Top 44%)7232(Top 387%)
HALF13.11 mi0.68 mi8816+297377+247377+248440(Top 29%)7139(Top 44%)7139(Top 382%)
25K15.53 mi2.42 mi8879-637395-187395-189458(Top 33%)7573(Top 46%)7573(Top 405%)
30K18.64 mi3.11 mi8947-687391+47391+49778(Top 34%)7576(Top 46%)7576(Top 406%)
20M20.00 mi1.36 mi9058-1117427-367427-3610962(Top 38%)8052(Top 49%)8052(Top 431%)
21M21.00 mi1.00 mi9221-1637482-557482-5512144(Top 42%)8488(Top 52%)8488(Top 454%)
35K21.75 mi0.75 mi9184+377441+417441+419339(Top 32%)7140(Top 44%)7140(Top 382%)
23M23.00 mi1.25 mi9301-1177474-337474-3312352(Top 43%)8510(Top 52%)8510(Top 456%)
24M24.00 mi1.00 mi9400-997506-327506-3212394(Top 43%)8414(Top 51%)8414(Top 450%)
40K24.85 mi0.85 mi9557-1577568-627568-6213536(Top 47%)8844(Top 54%)8844(Top 473%)
25.2M25.20 mi0.35 mi9612-557580-127580-1213396(Top 46%)8759(Top 54%)8759(Top 469%)
FINISH26.22 mi1.02 mi9651-397558+227558+2211060(Top 38%)7635(Top 47%)7635(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21
+97ft-345ft

Overall

8878

Males

7411

M50-54

7411

5K→10K

3.1 - 6.2 mi

Top 31%
×5
+79ft-138ft

Overall

9070

Males

7542

M50-54

7542

10K→15K

6.2 - 9.3 mi

Top 31%
×3
+67ft-78ft

Overall

8878

Males

7411

M50-54

7411

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8678

Males

7232

M50-54

7232

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8440

Males

7139

M50-54

7139

HALF→25K

13.1 - 15.5 mi

Top 33%
×4
+66ft-88ft

Overall

9458

Males

7573

M50-54

7573

25K→30K

15.5 - 18.6 mi

Top 34%
×9
+181ft-148ft

Overall

9778

Males

7576

M50-54

7576

30K→20M

18.6 - 20.0 mi

Top 38%
×5
+64ft-50ft

Overall

10962

Males

8052

M50-54

8052

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12144

Males

8488

M50-54

8488

21M→35K

21.0 - 21.8 mi

Top 32%
×7
+17ft-86ft

Overall

9339

Males

7140

M50-54

7140

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12352

Males

8510

M50-54

8510

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12394

Males

8414

M50-54

8414

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13536

Males

8844

M50-54

8844

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13396

Males

8759

M50-54

8759

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11060

Males

7635

M50-54

7635

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1205
Passed By
1839
Net Change
-653
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8998
5K → 10K200200-1#8998#8999
10K → 15K174118+56#8999#8943
15K → 20K16264+98#8943#8845
20K → HALF4213+29#8845#8816
HALF → 25K87150-63#8816#8879
25K → 30K147200-68#8879#8947
30K → 20M64175-111#8947#9058
20M → 21M39200-163#9058#9221
21M → 35K7336+37#9221#9184
35K → 23M67184-117#9184#9301
23M → 24M37136-99#9301#9400
24M → 40K35192-157#9400#9557
40K → 25.2M1570-55#9557#9612
25.2M → FINISH63101-39#9612#9651
TOTALS12051839-653
📊

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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