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BOSTON MARATHON 2026

Marcelo Biazzim

Bib: 29237•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
28:09
3.11 mi
Rank: #22907
Start → 5K
28:09 | 9:04/mi
10K
55:27
6.21 mi
Rank: #22400 (+507)
5K → 10K
27:18 | 8:48/mi
15K
1:23:06
9.32 mi
Rank: #22339 (+61)
10K → 15K
27:39 | 8:54/mi
20K
1:51:20
12.43 mi
Rank: #22297 (+42)
15K → 20K
28:14 | 9:06/mi
HALF
1:57:23
13.11 mi
Rank: #22286 (+11)
20K → HALF
6:03 | 8:53/mi
25K
2:19:58
15.53 mi
Rank: #22296 (-10)
HALF → 25K
22:35 | 9:19/mi
30K
2:50:16
18.64 mi
Rank: #22348 (-52)
25K → 30K
30:18 | 9:46/mi
20M
3:03:36
20.00 mi
Rank: #22328 (+20)
30K → 20M
13:20 | 9:49/mi
21M
3:14:01
21.00 mi
Rank: #22292 (+36)
20M → 21M
10:25 | 10:25/mi
35K
3:21:15
21.75 mi
Rank: #22291 (+1)
21M → 35K
7:14 | 9:41/mi
23M
3:33:50
23.00 mi
Rank: #22303 (-12)
35K → 23M
12:35 | 10:04/mi
24M
3:43:52
24.00 mi
Rank: #22335 (-32)
23M → 24M
10:02 | 10:02/mi
40K
3:52:48
24.85 mi
Rank: #22358 (-23)
24M → 40K
8:56 | 10:27/mi
25.2M
3:56:41
25.20 mi
Rank: #22368 (-10)
40K → 25.2M
3:53 | 11:16/mi
FINISH
4:06:34
26.22 mi
Rank: #22393 (-25)
25.2M → FINISH
9:53 | 9:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:23
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:09:11
Pace9:52 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5028:099:0428:09
9:04
-
10K
6.21 mi12:18:0855:278:5627:18
8:48
-0:16
15K
9.32 mi12:45:471:23:068:5527:39
8:54
+0:06
20K
12.43 mi13:14:011:51:208:5828:14
9:06
+0:12
HALF
13.11 mi13:20:041:57:238:586:03
8:53
-0:13
25K
15.53 mi13:42:392:19:589:0122:35
9:19
+0:26
30K
18.64 mi14:12:572:50:169:0930:18
9:46
+0:27
20M
20.00 mi14:26:173:03:369:1113:20
9:49
+0:03
21M
21.00 mi14:36:423:14:019:1510:25
10:25
+0:36
35K
21.75 mi14:43:563:21:159:167:14
9:41
-0:44
23M
23.00 mi14:56:313:33:509:1812:35
10:04
+0:23
24M
24.00 mi15:06:333:43:529:2010:02
10:02
-0:02
40K
24.85 mi15:15:293:52:489:228:56
10:27
+0:25
25.2M
25.20 mi15:19:223:56:419:243:53
11:16
+0:49
FINISH
26.22 mi15:29:154:06:349:259:53
9:42
-1:34

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

8:48 /mi

Average Pace

9:25 /mi

Slowest Pace

11:16 /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

2:19:58

57% of race

Time at Steady Pace

1:10:47

29% of race

Time at Slower Pace

35:49

15% of race

Average Pace: 9:24 /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 mi11:50:5028:099:0428:09
9:04
#22907
10K
6.21 mi12:18:0855:278:5627:18
8:48
#22400
15K
9.32 mi12:45:471:23:068:5527:39
8:54
#22339
20K
12.43 mi13:14:011:51:208:5828:14
9:06
#22297
HALF
13.11 mi13:20:041:57:238:586:03
8:53
#22286
25K
15.53 mi13:42:392:19:589:0122:35
9:19
#22296
30K
18.64 mi14:12:572:50:169:0930:18
9:46
#22348
20M
20.00 mi14:26:173:03:369:1113:20
9:49
#22328
21M
21.00 mi14:36:423:14:019:1510:25
10:25
#22292
35K
21.75 mi14:43:563:21:159:167:14
9:41
#22291
23M
23.00 mi14:56:313:33:509:1812:35
10:04
#22303
24M
24.00 mi15:06:333:43:529:2010:02
10:02
#22335
40K
24.85 mi15:15:293:52:489:228:56
10:27
#22358
25.2M
25.20 mi15:19:223:56:419:243:53
11:16
#22368
FINISH
26.22 mi15:29:154:06:349:259:53
9:42
#22393
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 mi22907136841368422206(Top 77%)13379(Top 82%)13379(Top 716%)
10K6.21 mi3.10 mi22400+50713438+24613438+24621850(Top 75%)13184(Top 81%)13184(Top 706%)
15K9.32 mi3.11 mi22339+6113417+2113417+2122206(Top 77%)13379(Top 82%)13379(Top 716%)
20K12.43 mi3.11 mi22297+4213403+1413403+1422299(Top 77%)13397(Top 82%)13397(Top 717%)
HALF13.11 mi0.68 mi22286+1113391+1213391+1222157(Top 76%)13352(Top 82%)13352(Top 715%)
25K15.53 mi2.42 mi22296-1013400-913400-922441(Top 77%)13446(Top 82%)13446(Top 720%)
30K18.64 mi3.11 mi22348-5213391+913391+922423(Top 77%)13344(Top 82%)13344(Top 714%)
20M20.00 mi1.36 mi22328+2013370+2113370+2122054(Top 76%)13094(Top 80%)13094(Top 701%)
21M21.00 mi1.00 mi22292+3613341+2913341+2921720(Top 75%)12893(Top 79%)12893(Top 690%)
35K21.75 mi0.75 mi22291+113325+1613325+1622256(Top 77%)13090(Top 80%)13090(Top 701%)
23M23.00 mi1.25 mi22303-1213319+613319+622289(Top 77%)13058(Top 80%)13058(Top 699%)
24M24.00 mi1.00 mi22335-3213320-113320-122890(Top 79%)13314(Top 81%)13314(Top 713%)
40K24.85 mi0.85 mi22358-2313315+513315+523072(Top 80%)13332(Top 82%)13332(Top 714%)
25.2M25.20 mi0.35 mi22368-1013312+313312+322968(Top 79%)13298(Top 81%)13298(Top 712%)
FINISH26.22 mi1.02 mi22393-2513308+413308+422957(Top 79%)13291(Top 81%)13291(Top 712%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22206

Males

13379

M50-54

13379

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21850

Males

13184

M50-54

13184

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22206

Males

13379

M50-54

13379

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22299

Males

13397

M50-54

13397

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22157

Males

13352

M50-54

13352

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22441

Males

13446

M50-54

13446

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22423

Males

13344

M50-54

13344

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22054

Males

13094

M50-54

13094

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21720

Males

12893

M50-54

12893

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22256

Males

13090

M50-54

13090

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22289

Males

13058

M50-54

13058

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22890

Males

13314

M50-54

13314

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23072

Males

13332

M50-54

13332

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

22968

Males

13298

M50-54

13298

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
×2
+22ft-21ft

Overall

22957

Males

13291

M50-54

13291

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1729*
Passed By
1203
Net Change
+514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22907
5K → 10K598*91+507#22907#22400
10K → 15K204*143+61#22400#22339
15K → 20K177135+42#22339#22297
20K → HALF3524+11#22297#22286
HALF → 25K122132-10#22286#22296
25K → 30K160200-52#22296#22348
30K → 20M8969+20#22348#22328
20M → 21M9155+36#22328#22292
21M → 35K5352+1#22292#22291
35K → 23M6981-12#22291#22303
23M → 24M4577-32#22303#22335
24M → 40K4366-23#22335#22358
40K → 25.2M1828-10#22358#22368
25.2M → FINISH2550-25#22368#22393
TOTALS1729*1203+514

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing