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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tobiasz Belgrau

Bib: 5076 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 36%
Gender (Male)
#0 / 16340
Top 49%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Tobiasz

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· 6:17/mi at mile 9.3

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
19:43
3.11 mi
Rank: #3049
Start β†’ 5K
19:43 | 6:21/mi
10K
39:15
6.21 mi
Rank: #2877 (+172)
5K β†’ 10K
19:32 | 6:18/mi
15K
58:45
9.32 mi
Rank: #2812 (+65)
10K β†’ 15K
19:30 | 6:17/mi
20K
1:18:44
12.43 mi
Rank: #2938 (-126)
15K β†’ 20K
19:59 | 6:26/mi
HALF
1:23:05
13.11 mi
Rank: #2965 (-27)
20K β†’ HALF
4:21 | 6:23/mi
25K
1:41:05
15.53 mi
Rank: #3992 (-1027)
HALF β†’ 25K
18:00 | 7:26/mi
30K
2:09:33
18.64 mi
Rank: #7341 (-3349)
25K β†’ 30K
28:28 | 9:10/mi
20M
2:22:42
20.00 mi
Rank: #8479 (-1138)
30K β†’ 20M
13:09 | 9:41/mi
21M
2:32:59
21.00 mi
Rank: #9423 (-944)
20M β†’ 21M
10:17 | 10:17/mi
35K
2:39:01
21.75 mi
Rank: #9594 (-171)
21M β†’ 35K
6:02 | 8:04/mi
23M
2:50:34
23.00 mi
Rank: #10325 (-731)
35K β†’ 23M
11:33 | 9:14/mi
24M
2:59:05
24.00 mi
Rank: #10664 (-339)
23M β†’ 24M
8:31 | 8:31/mi
40K
3:06:05
24.85 mi
Rank: #10733 (-69)
24M β†’ 40K
7:00 | 8:12/mi
25.2M
3:08:54
25.20 mi
Rank: #10704 (+29)
40K β†’ 25.2M
2:49 | 8:11/mi
FINISH
3:15:57
26.22 mi
Rank: #10536 (+168)
25.2M β†’ FINISH
7:03 | 6:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:05
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:52:52
Pace8:37 /mi
πŸ“ŠPositive Split: 35.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5419:436:2119:43
6:21
-
10K
6.21 mi10:43:2639:156:2019:32
6:18
-0:03
15K
9.32 mi11:02:5658:456:1919:30
6:17
-0:01
20K
12.43 mi11:22:551:18:446:2119:59
6:26
+0:09
HALF
13.11 mi11:27:161:23:056:214:21
6:23
-0:03
25K
15.53 mi11:45:161:41:056:3118:00
7:26
+1:03
30K
18.64 mi12:13:442:09:336:5728:28
9:10
+1:44
20M
20.00 mi12:26:532:22:427:0913:09
9:41
+0:31
21M
21.00 mi12:37:102:32:597:1810:17
10:17
+0:36
35K
21.75 mi12:43:122:39:017:196:02
8:04
-2:13
23M
23.00 mi12:54:452:50:347:2511:33
9:14
+1:10
24M
24.00 mi13:03:162:59:057:288:31
8:31
-0:43
40K
24.85 mi13:10:163:06:057:307:00
8:12
-0:19
25.2M
25.20 mi13:13:053:08:547:302:49
8:11
-0:01
FINISH
26.22 mi13:20:083:15:577:297:03
6:56
-1:15

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

6:17 /mi

Average Pace

7:29 /mi

Slowest Pace

10:17 /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

1:30:08

46% of race

Time at Steady Pace

42:22

22% of race

Time at Slower Pace

1:03:27

32% of race

Average Pace: 7:28 /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 mi10:23:5419:436:2119:43
6:21
#3049
10K
6.21 mi10:43:2639:156:2019:32
6:18
#2877
15K
9.32 mi11:02:5658:456:1919:30
6:17
#2812
20K
12.43 mi11:22:551:18:446:2119:59
6:26
#2938
HALF
13.11 mi11:27:161:23:056:214:21
6:23
#2965
25K
15.53 mi11:45:161:41:056:3118:00
7:26
#3992
30K
18.64 mi12:13:442:09:336:5728:28
9:10
#7341
20M
20.00 mi12:26:532:22:427:0913:09
9:41
#8479
21M
21.00 mi12:37:102:32:597:1810:17
10:17
#9423
35K
21.75 mi12:43:122:39:017:196:02
8:04
#9594
23M
23.00 mi12:54:452:50:347:2511:33
9:14
#10325
24M
24.00 mi13:03:162:59:057:288:31
8:31
#10664
40K
24.85 mi13:10:163:06:057:307:00
8:12
#10733
25.2M
25.20 mi13:13:053:08:547:302:49
8:11
#10704
FINISH
26.22 mi13:20:083:15:577:297:03
6:56
#10536
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 mi3049291629162738(Top 9%)2633(Top 16%)2633(Top 46%)
10K6.21 mi3.10 mi2877+1722762+1542762+1542754(Top 9%)2653(Top 16%)2653(Top 46%)
15K9.32 mi3.11 mi2812+652703+592703+592738(Top 9%)2633(Top 16%)2633(Top 46%)
20K12.43 mi3.11 mi2938-1262819-1162819-1163342(Top 12%)3204(Top 20%)3204(Top 56%)
HALF13.11 mi0.68 mi2965-272842-232842-233658(Top 13%)3499(Top 21%)3499(Top 61%)
25K15.53 mi2.42 mi3992-10273791-9493791-94910752(Top 37%)8205(Top 50%)8205(Top 143%)
30K18.64 mi3.11 mi7341-33496408-26176408-261720333(Top 70%)12344(Top 76%)12344(Top 216%)
20M20.00 mi1.36 mi8479-11387098-6907098-69021652(Top 75%)12891(Top 79%)12891(Top 225%)
21M21.00 mi1.00 mi9423-9447599-5017599-50121311(Top 73%)12685(Top 78%)12685(Top 222%)
35K21.75 mi0.75 mi9594-1717664-657664-6514862(Top 51%)9676(Top 59%)9676(Top 169%)
23M23.00 mi1.25 mi10325-7317984-3207984-32019531(Top 67%)11707(Top 72%)11707(Top 205%)
24M24.00 mi1.00 mi10664-3398129-1458129-14516955(Top 58%)10445(Top 64%)10445(Top 183%)
40K24.85 mi0.85 mi10733-698153-248153-2413653(Top 47%)8904(Top 54%)8904(Top 156%)
25.2M25.20 mi0.35 mi10704+298129+248129+249346(Top 32%)6803(Top 42%)6803(Top 119%)
FINISH26.22 mi1.02 mi10536+1688015+1148015+1146938(Top 24%)5467(Top 33%)5467(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
Γ—21
+97ft-345ft

Overall

2738

Males

2633

M18-39

2633

5K→10K

3.1 - 6.2 mi

Top 9%
Γ—5
+79ft-138ft

Overall

2754

Males

2653

M18-39

2653

10K→15K

6.2 - 9.3 mi

Top 9%
Γ—3
+67ft-78ft

Overall

2738

Males

2633

M18-39

2633

15K→20K

9.3 - 12.4 mi

Top 12%
Γ—5
+106ft-86ft

Overall

3342

Males

3204

M18-39

3204

20K→HALF

12.4 - 13.1 mi

Top 13%
Γ—2
+19ft-37ft

Overall

3658

Males

3499

M18-39

3499

HALF→25K

13.1 - 15.5 mi

Top 37%
Γ—4
+66ft-88ft

Overall

10752

Males

8205

M18-39

8205

25K→30K

15.5 - 18.6 mi

Top 70%
Γ—9
+181ft-148ft

Overall

20333

Males

12344

M18-39

12344

30K→20M

18.6 - 20.0 mi

Top 75%
Γ—5
+64ft-50ft

Overall

21652

Males

12891

M18-39

12891

20M→21M

20.0 - 21.0 mi

Top 73%
Γ—8
+106ft-24ft

Overall

21311

Males

12685

M18-39

12685

21M→35K

21.0 - 21.8 mi

Top 51%
Γ—7
+17ft-86ft

Overall

14862

Males

9676

M18-39

9676

35K→23M

21.8 - 23.0 mi

Top 67%
Γ—5
+23ft-63ft

Overall

19531

Males

11707

M18-39

11707

23M→24M

23.0 - 24.0 mi

Top 58%
Γ—6
+12ft-82ft

Overall

16955

Males

10445

M18-39

10445

24M→40K

24.0 - 24.9 mi

Top 47%
Γ—1
+6ft-20ft

Overall

13653

Males

8904

M18-39

8904

40K→25.2M

24.9 - 25.2 mi

Top 32%
Γ—1
+13ft-16ft

Overall

9346

Males

6803

M18-39

6803

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
Γ—2
+22ft-21ft

Overall

6938

Males

5467

M18-39

5467

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
748*
Passed By
1841
Net Change
-7487
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3049
5K β†’ 10K236*64+172#3049#2877
10K β†’ 15K10641+65#2877#2812
15K β†’ 20K44170-126#2812#2938
20K β†’ HALF330-27#2938#2965
HALF β†’ 25K6200-1027#2965#3992
25K β†’ 30K2200-3349#3992#7341
30K β†’ 20M3200-1138#7341#8479
20M β†’ 21M1200-944#8479#9423
21M β†’ 35K28199-171#9423#9594
35K β†’ 23M28200-731#9594#10325
23M β†’ 24M26200-339#10325#10664
24M β†’ 40K44113-69#10664#10733
40K β†’ 25.2M4314+29#10733#10704
25.2M β†’ FINISH17810+168#10704#10536
TOTALS748*1841-7487

* 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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Activity Data

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