All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mariusz Szeib

Bib: 33630 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M70-74)
#0 / 281
Race Day Weather
51°/41°F
overcast clouds
Personalized for Mariusz

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 · 11:46/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · 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
36:32
3.11 mi
Rank: #28692
Start → 5K
36:32 | 11:46/mi
10K
1:15:39
6.21 mi
Rank: #28810 (-118)
5K → 10K
39:07 | 12:36/mi
15K
1:56:16
9.32 mi
Rank: #28858 (-48)
10K → 15K
40:37 | 13:05/mi
20K
2:37:01
12.43 mi
Rank: #28821 (+37)
15K → 20K
40:45 | 13:07/mi
HALF
2:45:40
13.11 mi
Rank: #28815 (+6)
20K → HALF
8:39 | 12:42/mi
25K
3:18:06
15.53 mi
Rank: #28783 (+32)
HALF → 25K
32:26 | 13:23/mi
30K
4:00:29
18.64 mi
Rank: #28713 (+70)
25K → 30K
42:23 | 13:39/mi
20M
4:19:22
20.00 mi
Rank: #28671 (+42)
30K → 20M
18:53 | 13:55/mi
21M
4:33:35
21.00 mi
Rank: #28635 (+36)
20M → 21M
14:13 | 14:13/mi
35K
4:43:05
21.75 mi
Rank: #28615 (+20)
21M → 35K
9:30 | 12:42/mi
23M
4:59:39
23.00 mi
Rank: #28585 (+30)
35K → 23M
16:34 | 13:15/mi
24M
5:12:22
24.00 mi
Rank: #28560 (+25)
23M → 24M
12:43 | 12:43/mi
40K
5:23:37
24.85 mi
Rank: #28528 (+32)
24M → 40K
11:15 | 13:10/mi
25.2M
5:28:34
25.20 mi
Rank: #28522 (+6)
40K → 25.2M
4:57 | 14:22/mi
FINISH
5:42:02
26.22 mi
Rank: #28520 (+2)
25.2M → FINISH
13:28 | 13:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:45:40
Pace12:39 /mi
2nd Half
Distance13.11 mi
Time2:56:22
Pace13:28 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:06:3636:3211:4636:32
11:46
-
10K
6.21 mi12:45:431:15:3912:1139:07
12:36
+0:50
15K
9.32 mi13:26:201:56:1612:2940:37
13:05
+0:29
20K
12.43 mi14:07:052:37:0112:3940:45
13:07
+0:02
HALF
13.11 mi14:15:442:45:4012:398:39
12:42
-0:25
25K
15.53 mi14:48:103:18:0612:4632:26
13:23
+0:41
30K
18.64 mi15:30:334:00:2912:5542:23
13:39
+0:16
20M
20.00 mi15:49:264:19:2212:5918:53
13:55
+0:16
21M
21.00 mi16:03:394:33:3513:0214:13
14:13
+0:18
35K
21.75 mi16:13:094:43:0513:019:30
12:42
-1:31
23M
23.00 mi16:29:434:59:3913:0216:34
13:15
+0:33
24M
24.00 mi16:42:265:12:2213:0112:43
12:43
-0:32
40K
24.85 mi16:53:415:23:3713:0211:15
13:10
+0:27
25.2M
25.20 mi16:58:385:28:3413:034:57
14:22
+1:12
FINISH
26.22 mi17:12:065:42:0213:0413:28
13:13
-1:09

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

11:46 /mi

Average Pace

13:03 /mi

Slowest Pace

14:22 /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

1:46:31

31% of race

Time at Steady Pace

2:35:05

45% of race

Time at Slower Pace

1:20:26

24% of race

Average Pace: 13:03 /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 mi12:06:3636:3211:4636:32
11:46
#28692
10K
6.21 mi12:45:431:15:3912:1139:07
12:36
#28810
15K
9.32 mi13:26:201:56:1612:2940:37
13:05
#28858
20K
12.43 mi14:07:052:37:0112:3940:45
13:07
#28821
HALF
13.11 mi14:15:442:45:4012:398:39
12:42
#28815
25K
15.53 mi14:48:103:18:0612:4632:26
13:23
#28783
30K
18.64 mi15:30:334:00:2912:5542:23
13:39
#28713
20M
20.00 mi15:49:264:19:2212:5918:53
13:55
#28671
21M
21.00 mi16:03:394:33:3513:0214:13
14:13
#28635
35K
21.75 mi16:13:094:43:0513:019:30
12:42
#28615
23M
23.00 mi16:29:434:59:3913:0216:34
13:15
#28585
24M
24.00 mi16:42:265:12:2213:0112:43
12:43
#28560
40K
24.85 mi16:53:415:23:3713:0211:15
13:10
#28528
25.2M
25.20 mi16:58:385:28:3413:034:57
14:22
#28522
FINISH
26.22 mi17:12:065:42:0213:0413:28
13:13
#28520
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 mi28692162411624128855(Top 99%)16284(Top 100%)16284(Top 5795%)
10K6.21 mi3.10 mi28810-11816271-3016271-3028849(Top 99%)16283(Top 100%)16283(Top 5795%)
15K9.32 mi3.11 mi28858-4816292-2116292-2128855(Top 99%)16284(Top 100%)16284(Top 5795%)
20K12.43 mi3.11 mi28821+3716276+1616276+1628667(Top 99%)16202(Top 99%)16202(Top 5766%)
HALF13.11 mi0.68 mi28815+616270+616270+628604(Top 99%)16165(Top 99%)16165(Top 5753%)
25K15.53 mi2.42 mi28783+3216263+716263+728424(Top 98%)16109(Top 99%)16109(Top 5733%)
30K18.64 mi3.11 mi28713+7016236+2716236+2728165(Top 97%)15956(Top 98%)15956(Top 5678%)
20M20.00 mi1.36 mi28671+4216218+1816218+1828057(Top 97%)15881(Top 97%)15881(Top 5652%)
21M21.00 mi1.00 mi28635+3616201+1716201+1727495(Top 95%)15597(Top 95%)15597(Top 5551%)
35K21.75 mi0.75 mi28615+2016191+1016191+1027467(Top 95%)15568(Top 95%)15568(Top 5540%)
23M23.00 mi1.25 mi28585+3016175+1616175+1627586(Top 95%)15633(Top 96%)15633(Top 5563%)
24M24.00 mi1.00 mi28560+2516161+1416161+1427400(Top 94%)15489(Top 95%)15489(Top 5512%)
40K24.85 mi0.85 mi28528+3216149+1216149+1227197(Top 94%)15374(Top 94%)15374(Top 5471%)
25.2M25.20 mi0.35 mi28522+616147+216147+227504(Top 95%)15530(Top 95%)15530(Top 5527%)
FINISH26.22 mi1.02 mi28520+216143+416143+428342(Top 98%)15963(Top 98%)15963(Top 5681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28855

Males

16284

M70-74

16284

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28849

Males

16283

M70-74

16283

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28855

Males

16284

M70-74

16284

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28667

Males

16202

M70-74

16202

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28604

Males

16165

M70-74

16165

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28424

Males

16109

M70-74

16109

25K→30K

15.5 - 18.6 mi

Top 97%
×9
+181ft-148ft

Overall

28165

Males

15956

M70-74

15956

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28057

Males

15881

M70-74

15881

20M→21M

20.0 - 21.0 mi

Top 95%
×8
+106ft-24ft

Overall

27495

Males

15597

M70-74

15597

21M→35K

21.0 - 21.8 mi

Top 95%
×7
+17ft-86ft

Overall

27467

Males

15568

M70-74

15568

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27586

Males

15633

M70-74

15633

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27400

Males

15489

M70-74

15489

24M→40K

24.0 - 24.9 mi

Top 94%
×1
+6ft-20ft

Overall

27197

Males

15374

M70-74

15374

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27504

Males

15530

M70-74

15530

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
×2
+22ft-21ft

Overall

28342

Males

15963

M70-74

15963

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
427
Passed By
255
Net Change
+172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28692
5K → 10K16134-118#28692#28810
10K → 15K1563-48#28810#28858
15K → 20K4710+37#28858#28821
20K → HALF137+6#28821#28815
HALF → 25K386+32#28815#28783
25K → 30K777+70#28783#28713
30K → 20M453+42#28713#28671
20M → 21M404+36#28671#28635
21M → 35K233+20#28635#28615
35K → 23M322+30#28615#28585
23M → 24M272+25#28585#28560
24M → 40K331+32#28560#28528
40K → 25.2M82+6#28528#28522
25.2M → FINISH1311+2#28522#28520
TOTALS427255+172
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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
Share Feedback