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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Thomas Bellsky

Bib: 9438 •M •Age: N/A

MI

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 14%
Gender (Male)
#0 / 16340
Top 22%
Masters (Masters Men)
#0 / 10617
Top 9%
Age Group (M40-44)
#0 / 2198
Top 24%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Thomas

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 · 6:19/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
20:58
3.11 mi
Rank: #6349
Start → 5K
20:58 | 6:45/mi
10K
41:14
6.21 mi
Rank: #5282 (+1067)
5K → 10K
20:16 | 6:32/mi
15K
1:01:35
9.32 mi
Rank: #5013 (+269)
10K → 15K
20:21 | 6:34/mi
20K
1:22:12
12.43 mi
Rank: #4887 (+126)
15K → 20K
20:37 | 6:39/mi
HALF
1:26:42
13.11 mi
Rank: #4894 (-7)
20K → HALF
4:30 | 6:37/mi
25K
1:42:48
15.53 mi
Rank: #4794 (+100)
HALF → 25K
16:06 | 6:39/mi
30K
2:03:45
18.64 mi
Rank: #4602 (+192)
25K → 30K
20:57 | 6:45/mi
20M
2:12:51
20.00 mi
Rank: #4473 (+129)
30K → 20M
9:06 | 6:42/mi
21M
2:19:56
21.00 mi
Rank: #4409 (+64)
20M → 21M
7:05 | 7:05/mi
35K
2:24:49
21.75 mi
Rank: #4354 (+55)
21M → 35K
4:53 | 6:32/mi
23M
2:33:05
23.00 mi
Rank: #4225 (+129)
35K → 23M
8:16 | 6:37/mi
24M
2:39:31
24.00 mi
Rank: #4105 (+120)
23M → 24M
6:26 | 6:26/mi
40K
2:45:08
24.85 mi
Rank: #4025 (+80)
24M → 40K
5:37 | 6:35/mi
25.2M
2:47:37
25.20 mi
Rank: #4006 (+19)
40K → 25.2M
2:29 | 7:13/mi
FINISH
2:54:03
26.22 mi
Rank: #3922 (+84)
25.2M → FINISH
6:26 | 6:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:26:42
Pace6:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:21
Pace6:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:0120:586:4520:58
6:45
-
10K
6.21 mi10:57:1741:146:3920:16
6:32
-0:13
15K
9.32 mi11:17:381:01:356:3720:21
6:34
+0:02
20K
12.43 mi11:38:151:22:126:3720:37
6:39
+0:05
HALF
13.11 mi11:42:451:26:426:374:30
6:37
-0:02
25K
15.53 mi11:58:511:42:486:3816:06
6:39
+0:02
30K
18.64 mi12:19:482:03:456:3920:57
6:45
+0:06
20M
20.00 mi12:28:542:12:516:399:06
6:42
-0:03
21M
21.00 mi12:35:592:19:566:407:05
7:05
+0:23
35K
21.75 mi12:40:522:24:496:404:53
6:32
-0:33
23M
23.00 mi12:49:082:33:056:408:16
6:37
+0:05
24M
24.00 mi12:55:342:39:316:396:26
6:26
-0:11
40K
24.85 mi13:01:112:45:086:395:37
6:35
+0:09
25.2M
25.20 mi13:03:402:47:376:402:29
7:13
+0:38
FINISH
26.22 mi13:10:062:54:036:396:26
6:19
-0:54

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

6:19 /mi

Average Pace

6:39 /mi

Slowest Pace

7:13 /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

2:44:29

95% of race

Time at Steady Pace

9:34

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:37:0120:586:4520:58
6:45
#6349
10K
6.21 mi10:57:1741:146:3920:16
6:32
#5282
15K
9.32 mi11:17:381:01:356:3720:21
6:34
#5013
20K
12.43 mi11:38:151:22:126:3720:37
6:39
#4887
HALF
13.11 mi11:42:451:26:426:374:30
6:37
#4894
25K
15.53 mi11:58:511:42:486:3816:06
6:39
#4794
30K
18.64 mi12:19:482:03:456:3920:57
6:45
#4602
20M
20.00 mi12:28:542:12:516:399:06
6:42
#4473
21M
21.00 mi12:35:592:19:566:407:05
7:05
#4409
35K
21.75 mi12:40:522:24:496:404:53
6:32
#4354
23M
23.00 mi12:49:082:33:056:408:16
6:37
#4225
24M
24.00 mi12:55:342:39:316:396:26
6:26
#4105
40K
24.85 mi13:01:112:45:086:395:37
6:35
#4025
25.2M
25.20 mi13:03:402:47:376:402:29
7:13
#4006
FINISH
26.22 mi13:10:062:54:036:396:26
6:19
#3922
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6349574057404574(Top 16%)4296(Top 26%)4296(Top 195%)
10K6.21 mi3.10 mi5282+10674908+8324908+8324422(Top 15%)4175(Top 26%)4175(Top 190%)
15K9.32 mi3.11 mi5013+2694683+2254683+2254574(Top 16%)4296(Top 26%)4296(Top 195%)
20K12.43 mi3.11 mi4887+1264570+1134570+1134664(Top 16%)4364(Top 27%)4364(Top 199%)
HALF13.11 mi0.68 mi4894-74577-74577-75190(Top 18%)4767(Top 29%)4767(Top 217%)
25K15.53 mi2.42 mi4794+1004491+864491+864392(Top 15%)4097(Top 25%)4097(Top 186%)
30K18.64 mi3.11 mi4602+1924310+1814310+1813949(Top 14%)3675(Top 22%)3675(Top 167%)
20M20.00 mi1.36 mi4473+1294194+1164194+1163474(Top 12%)3236(Top 20%)3236(Top 147%)
21M21.00 mi1.00 mi4409+644127+674127+673919(Top 14%)3545(Top 22%)3545(Top 161%)
35K21.75 mi0.75 mi4354+554075+524075+523727(Top 13%)3418(Top 21%)3418(Top 156%)
23M23.00 mi1.25 mi4225+1293953+1223953+1222958(Top 10%)2741(Top 17%)2741(Top 125%)
24M24.00 mi1.00 mi4105+1203844+1093844+1092829(Top 10%)2595(Top 16%)2595(Top 118%)
40K24.85 mi0.85 mi4025+803766+783766+782904(Top 10%)2652(Top 16%)2652(Top 121%)
25.2M25.20 mi0.35 mi4006+193747+193747+193555(Top 12%)3132(Top 19%)3132(Top 142%)
FINISH26.22 mi1.02 mi3922+843665+823665+823096(Top 11%)2755(Top 17%)2755(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21
+97ft-345ft

Overall

4574

Males

4296

M40-44

4296

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4422

Males

4175

M40-44

4175

10K→15K

6.2 - 9.3 mi

Top 16%
×3
+67ft-78ft

Overall

4574

Males

4296

M40-44

4296

15K→20K

9.3 - 12.4 mi

Top 16%
×5
+106ft-86ft

Overall

4664

Males

4364

M40-44

4364

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5190

Males

4767

M40-44

4767

HALF→25K

13.1 - 15.5 mi

Top 15%
×4
+66ft-88ft

Overall

4392

Males

4097

M40-44

4097

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

3949

Males

3675

M40-44

3675

30K→20M

18.6 - 20.0 mi

Top 12%
×5
+64ft-50ft

Overall

3474

Males

3236

M40-44

3236

20M→21M

20.0 - 21.0 mi

Top 14%
×8
+106ft-24ft

Overall

3919

Males

3545

M40-44

3545

21M→35K

21.0 - 21.8 mi

Top 13%
×7
+17ft-86ft

Overall

3727

Males

3418

M40-44

3418

35K→23M

21.8 - 23.0 mi

Top 10%
×5
+23ft-63ft

Overall

2958

Males

2741

M40-44

2741

23M→24M

23.0 - 24.0 mi

Top 10%
×6
+12ft-82ft

Overall

2829

Males

2595

M40-44

2595

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2904

Males

2652

M40-44

2652

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1
+13ft-16ft

Overall

3555

Males

3132

M40-44

3132

25.2M→FINISH

25.2 - 26.2 mi

Top 11%
×2
+22ft-21ft

Overall

3096

Males

2755

M40-44

2755

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2668*
Passed By
241
Net Change
+2427
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6349
5K → 10K1075*8+1067#6349#5282
10K → 15K293*24+269#5282#5013
15K → 20K16640+126#5013#4887
20K → HALF1421-7#4887#4894
HALF → 25K12424+100#4894#4794
25K → 30K225*33+192#4794#4602
30K → 20M13910+129#4602#4473
20M → 21M9026+64#4473#4409
21M → 35K638+55#4409#4354
35K → 23M1345+129#4354#4225
23M → 24M1233+120#4225#4105
24M → 40K9414+80#4105#4025
40K → 25.2M3314+19#4025#4006
25.2M → FINISH9511+84#4006#3922
TOTALS2668*241+2427

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

📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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