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BOSTON MARATHON 2026

Leonardo De Biasi

Bib: 10571•M

IL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 38%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 40%
Age Group (M45-49)
#0 / 2413
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
21:02
3.11 mi
Rank: #6579
Start → 5K
21:02 | 6:47/mi
10K
42:42
6.21 mi
Rank: #7593 (-1014)
5K → 10K
21:40 | 6:59/mi
15K
1:04:48
9.32 mi
Rank: #8229 (-636)
10K → 15K
22:06 | 7:07/mi
20K
1:27:46
12.43 mi
Rank: #8812 (-583)
15K → 20K
22:58 | 7:24/mi
HALF
1:32:38
13.11 mi
Rank: #8843 (-31)
20K → HALF
4:52 | 7:09/mi
25K
1:50:53
15.53 mi
Rank: #9207 (-364)
HALF → 25K
18:15 | 7:32/mi
30K
2:15:21
18.64 mi
Rank: #9726 (-519)
25K → 30K
24:28 | 7:53/mi
20M
2:26:07
20.00 mi
Rank: #9896 (-170)
30K → 20M
10:46 | 7:56/mi
21M
2:34:33
21.00 mi
Rank: #10019 (-123)
20M → 21M
8:26 | 8:26/mi
35K
2:40:27
21.75 mi
Rank: #10159 (-140)
21M → 35K
5:54 | 7:54/mi
23M
2:50:26
23.00 mi
Rank: #10258 (-99)
35K → 23M
9:59 | 7:59/mi
24M
2:58:44
24.00 mi
Rank: #10534 (-276)
23M → 24M
8:18 | 8:18/mi
40K
3:06:06
24.85 mi
Rank: #10739 (-205)
24M → 40K
7:22 | 8:37/mi
25.2M
3:09:19
25.20 mi
Rank: #10849 (-110)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:17:12
26.22 mi
Rank: #10910 (-61)
25.2M → FINISH
7:53 | 7:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:38
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:44:34
Pace7:59 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:3021:026:4721:02
6:47
-
10K
6.21 mi11:00:1042:426:5321:40
6:59
+0:12
15K
9.32 mi11:22:161:04:486:5822:06
7:07
+0:08
20K
12.43 mi11:45:141:27:467:0422:58
7:24
+0:17
HALF
13.11 mi11:50:061:32:387:044:52
7:09
-0:15
25K
15.53 mi12:08:211:50:537:0918:15
7:32
+0:23
30K
18.64 mi12:32:492:15:217:1624:28
7:53
+0:21
20M
20.00 mi12:43:352:26:077:1910:46
7:56
+0:03
21M
21.00 mi12:52:012:34:337:228:26
8:26
+0:30
35K
21.75 mi12:57:552:40:277:235:54
7:54
-0:32
23M
23.00 mi13:07:542:50:267:259:59
7:59
+0:05
24M
24.00 mi13:16:122:58:447:278:18
8:18
+0:19
40K
24.85 mi13:23:343:06:067:307:22
8:37
+0:19
25.2M
25.20 mi13:26:473:09:197:313:13
9:20
+0:43
FINISH
26.22 mi13:34:403:17:127:327:53
7:45
-1:35

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

6:47 /mi

Average Pace

7:32 /mi

Slowest Pace

9:20 /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

1:50:53

56% of race

Time at Steady Pace

59:00

30% of race

Time at Slower Pace

27:19

14% of race

Average Pace: 7:31 /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 mi10:38:3021:026:4721:02
6:47
#6579
10K
6.21 mi11:00:1042:426:5321:40
6:59
#7593
15K
9.32 mi11:22:161:04:486:5822:06
7:07
#8229
20K
12.43 mi11:45:141:27:467:0422:58
7:24
#8812
HALF
13.11 mi11:50:061:32:387:044:52
7:09
#8843
25K
15.53 mi12:08:211:50:537:0918:15
7:32
#9207
30K
18.64 mi12:32:492:15:217:1624:28
7:53
#9726
20M
20.00 mi12:43:352:26:077:1910:46
7:56
#9896
21M
21.00 mi12:52:012:34:337:228:26
8:26
#10019
35K
21.75 mi12:57:552:40:277:235:54
7:54
#10159
23M
23.00 mi13:07:542:50:267:259:59
7:59
#10258
24M
24.00 mi13:16:122:58:447:278:18
8:18
#10534
40K
24.85 mi13:23:343:06:067:307:22
8:37
#10739
25.2M
25.20 mi13:26:473:09:197:313:13
9:20
#10849
FINISH
26.22 mi13:34:403:17:127:327:53
7:45
#10910
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6579591559159387(Top 32%)7708(Top 47%)7708(Top 319%)
10K6.21 mi3.10 mi7593-10146619-7046619-7048497(Top 29%)7202(Top 44%)7202(Top 298%)
15K9.32 mi3.11 mi8229-6367026-4077026-4079387(Top 32%)7708(Top 47%)7708(Top 319%)
20K12.43 mi3.11 mi8812-5837376-3507376-35011041(Top 38%)8402(Top 51%)8402(Top 348%)
HALF13.11 mi0.68 mi8843-317399-237399-239754(Top 34%)7872(Top 48%)7872(Top 326%)
25K15.53 mi2.42 mi9207-3647582-1837582-18311612(Top 40%)8610(Top 53%)8610(Top 357%)
30K18.64 mi3.11 mi9726-5197798-2167798-21612529(Top 43%)8891(Top 54%)8891(Top 368%)
20M20.00 mi1.36 mi9896-1707847-497847-4912261(Top 42%)8670(Top 53%)8670(Top 359%)
21M21.00 mi1.00 mi10019-1237884-377884-3712657(Top 44%)8738(Top 53%)8738(Top 362%)
35K21.75 mi0.75 mi10159-1407940-567940-5613637(Top 47%)9139(Top 56%)9139(Top 379%)
23M23.00 mi1.25 mi10258-997951-117951-1112269(Top 42%)8477(Top 52%)8477(Top 351%)
24M24.00 mi1.00 mi10534-2768061-1108061-11015645(Top 54%)9882(Top 60%)9882(Top 410%)
40K24.85 mi0.85 mi10739-2058157-968157-9616345(Top 56%)10108(Top 62%)10108(Top 419%)
25.2M25.20 mi0.35 mi10849-1108200-438200-4316378(Top 56%)10125(Top 62%)10125(Top 420%)
FINISH26.22 mi1.02 mi10910-618201-18201-113235(Top 46%)8662(Top 53%)8662(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21
+97ft-345ft

Overall

9387

Males

7708

M45-49

7708

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8497

Males

7202

M45-49

7202

10K→15K

6.2 - 9.3 mi

Top 32%
×3
+67ft-78ft

Overall

9387

Males

7708

M45-49

7708

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

11041

Males

8402

M45-49

8402

20K→HALF

12.4 - 13.1 mi

Top 34%
×2
+19ft-37ft

Overall

9754

Males

7872

M45-49

7872

HALF→25K

13.1 - 15.5 mi

Top 40%
×4
+66ft-88ft

Overall

11612

Males

8610

M45-49

8610

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12529

Males

8891

M45-49

8891

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12261

Males

8670

M45-49

8670

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12657

Males

8738

M45-49

8738

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13637

Males

9139

M45-49

9139

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12269

Males

8477

M45-49

8477

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15645

Males

9882

M45-49

9882

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16345

Males

10108

M45-49

10108

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16378

Males

10125

M45-49

10125

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13235

Males

8662

M45-49

8662

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
530
Passed By
2400
Net Change
-4331
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6579
5K → 10K24200-1014#6579#7593
10K → 15K20200-636#7593#8229
15K → 20K31200-583#8229#8812
20K → HALF1445-31#8812#8843
HALF → 25K47200-364#8843#9207
25K → 30K68200-519#9207#9726
30K → 20M47200-170#9726#9896
20M → 21M49170-123#9896#10019
21M → 35K25164-140#10019#10159
35K → 23M94192-99#10159#10258
23M → 24M30200-276#10258#10534
24M → 40K23200-205#10534#10739
40K → 25.2M8118-110#10739#10849
25.2M → FINISH50111-61#10849#10910
TOTALS5302400-4331
📊

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