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BOSTON MARATHON 2026

Thomas Belsito

Bib: 32120•M

MA

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
25:47
3.11 mi
Rank: #18850
Start → 5K
25:47 | 8:18/mi
10K
50:37
6.21 mi
Rank: #18058 (+792)
5K → 10K
24:50 | 8:00/mi
15K
1:14:51
9.32 mi
Rank: #17282 (+776)
10K → 15K
24:14 | 7:48/mi
20K
1:40:01
12.43 mi
Rank: #17167 (+115)
15K → 20K
25:10 | 8:07/mi
HALF
1:45:35
13.11 mi
Rank: #17227 (-60)
20K → HALF
5:34 | 8:10/mi
25K
2:06:06
15.53 mi
Rank: #17392 (-165)
HALF → 25K
20:31 | 8:28/mi
30K
2:33:24
18.64 mi
Rank: #17578 (-186)
25K → 30K
27:18 | 8:48/mi
20M
2:45:33
20.00 mi
Rank: #17645 (-67)
30K → 20M
12:09 | 8:57/mi
21M
2:55:24
21.00 mi
Rank: #17792 (-147)
20M → 21M
9:51 | 9:51/mi
35K
3:02:10
21.75 mi
Rank: #17885 (-93)
21M → 35K
6:46 | 9:03/mi
23M
3:14:04
23.00 mi
Rank: #18069 (-184)
35K → 23M
11:54 | 9:31/mi
24M
3:23:29
24.00 mi
Rank: #18261 (-192)
23M → 24M
9:25 | 9:25/mi
40K
3:31:41
24.85 mi
Rank: #18363 (-102)
24M → 40K
8:12 | 9:36/mi
25.2M
3:35:25
25.20 mi
Rank: #18450 (-87)
40K → 25.2M
3:44 | 10:50/mi
FINISH
3:44:53
26.22 mi
Rank: #18605 (-155)
25.2M → FINISH
9:28 | 9:18/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:35
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:59:18
Pace9:07 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3425:478:1825:47
8:18
-
10K
6.21 mi12:19:2450:378:0924:50
8:00
-0:18
15K
9.32 mi12:43:381:14:518:0224:14
7:48
-0:12
20K
12.43 mi13:08:481:40:018:0325:10
8:07
+0:19
HALF
13.11 mi13:14:221:45:358:045:34
8:10
+0:03
25K
15.53 mi13:34:532:06:068:0820:31
8:28
+0:18
30K
18.64 mi14:02:112:33:248:1427:18
8:48
+0:20
20M
20.00 mi14:14:202:45:338:1712:09
8:57
+0:09
21M
21.00 mi14:24:112:55:248:229:51
9:51
+0:54
35K
21.75 mi14:30:573:02:108:236:46
9:03
-0:48
23M
23.00 mi14:42:513:14:048:2711:54
9:31
+0:28
24M
24.00 mi14:52:163:23:298:299:25
9:25
-0:06
40K
24.85 mi15:00:283:31:418:328:12
9:36
+0:11
25.2M
25.20 mi15:04:123:35:258:333:44
10:50
+1:14
FINISH
26.22 mi15:13:403:44:538:359:28
9:18
-1:32

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

7:48 /mi

Average Pace

8:35 /mi

Slowest Pace

10:50 /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

2:06:06

56% of race

Time at Steady Pace

55:41

25% of race

Time at Slower Pace

43:06

19% of race

Average Pace: 8:35 /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 mi11:54:3425:478:1825:47
8:18
#18850
10K
6.21 mi12:19:2450:378:0924:50
8:00
#18058
15K
9.32 mi12:43:381:14:518:0224:14
7:48
#17282
20K
12.43 mi13:08:481:40:018:0325:10
8:07
#17167
HALF
13.11 mi13:14:221:45:358:045:34
8:10
#17227
25K
15.53 mi13:34:532:06:068:0820:31
8:28
#17392
30K
18.64 mi14:02:112:33:248:1427:18
8:48
#17578
20M
20.00 mi14:14:202:45:338:1712:09
8:57
#17645
21M
21.00 mi14:24:112:55:248:229:51
9:51
#17792
35K
21.75 mi14:30:573:02:108:236:46
9:03
#17885
23M
23.00 mi14:42:513:14:048:2711:54
9:31
#18069
24M
24.00 mi14:52:163:23:298:299:25
9:25
#18261
40K
24.85 mi15:00:283:31:418:328:12
9:36
#18363
25.2M
25.20 mi15:04:123:35:258:333:44
10:50
#18450
FINISH
26.22 mi15:13:403:44:538:359:28
9:18
#18605
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 mi18850117711177115343(Top 53%)10337(Top 63%)10337(Top 181%)
10K6.21 mi3.10 mi18058+79211450+32111450+32117179(Top 59%)11094(Top 68%)11094(Top 194%)
15K9.32 mi3.11 mi17282+77611116+33411116+33415343(Top 53%)10337(Top 63%)10337(Top 181%)
20K12.43 mi3.11 mi17167+11511072+4411072+4416857(Top 58%)10935(Top 67%)10935(Top 191%)
HALF13.11 mi0.68 mi17227-6011093-2111093-2118181(Top 63%)11527(Top 71%)11527(Top 201%)
25K15.53 mi2.42 mi17392-16511165-7211165-7218333(Top 63%)11496(Top 70%)11496(Top 201%)
30K18.64 mi3.11 mi17578-18611226-6111226-6118500(Top 64%)11482(Top 70%)11482(Top 201%)
20M20.00 mi1.36 mi17645-6711222+411222+418665(Top 64%)11481(Top 70%)11481(Top 201%)
21M21.00 mi1.00 mi17792-14711262-4011262-4019913(Top 69%)12027(Top 74%)12027(Top 210%)
35K21.75 mi0.75 mi17885-9311290-2811290-2820175(Top 70%)12065(Top 74%)12065(Top 211%)
23M23.00 mi1.25 mi18069-18411339-4911339-4920613(Top 71%)12269(Top 75%)12269(Top 214%)
24M24.00 mi1.00 mi18261-19211409-7011409-7021031(Top 72%)12391(Top 76%)12391(Top 217%)
40K24.85 mi0.85 mi18363-10211441-3211441-3220672(Top 71%)12177(Top 75%)12177(Top 213%)
25.2M25.20 mi0.35 mi18450-8711473-3211473-3221901(Top 75%)12782(Top 78%)12782(Top 223%)
FINISH26.22 mi1.02 mi18605-15511521-4811521-4821592(Top 74%)12649(Top 77%)12649(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15343

Males

10337

M18-39

10337

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17179

Males

11094

M18-39

11094

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15343

Males

10337

M18-39

10337

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16857

Males

10935

M18-39

10935

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18181

Males

11527

M18-39

11527

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18333

Males

11496

M18-39

11496

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18500

Males

11482

M18-39

11482

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18665

Males

11481

M18-39

11481

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

19913

Males

12027

M18-39

12027

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20175

Males

12065

M18-39

12065

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20613

Males

12269

M18-39

12269

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

21031

Males

12391

M18-39

12391

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20672

Males

12177

M18-39

12177

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21901

Males

12782

M18-39

12782

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21592

Males

12649

M18-39

12649

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2397
Passed By
2152
Net Change
+245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18850
5K → 10K85462+792#18850#18058
10K → 15K78711+776#18058#17282
15K → 20K225110+115#17282#17167
20K → HALF1878-60#17167#17227
HALF → 25K88253-165#17227#17392
25K → 30K131317-186#17392#17578
30K → 20M71138-67#17578#17645
20M → 21M37184-147#17645#17792
21M → 35K34127-93#17792#17885
35K → 23M51235-184#17885#18069
23M → 24M26218-192#18069#18261
24M → 40K32134-102#18261#18363
40K → 25.2M1299-87#18363#18450
25.2M → FINISH31186-155#18450#18605
TOTALS23972152+245
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing