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BOSTON MARATHON 2026

Pietro Guglielmi

Bib: 33000•M

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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
27:08
3.11 mi
Rank: #21361
Start → 5K
27:08 | 8:45/mi
10K
53:39
6.21 mi
Rank: #20944 (+417)
5K → 10K
26:31 | 8:33/mi
15K
1:20:37
9.32 mi
Rank: #21000 (-56)
10K → 15K
26:58 | 8:41/mi
20K
1:47:27
12.43 mi
Rank: #20761 (+239)
15K → 20K
26:50 | 8:39/mi
HALF
1:53:55
13.11 mi
Rank: #21002 (-241)
20K → HALF
6:28 | 9:30/mi
25K
2:14:24
15.53 mi
Rank: #20574 (+428)
HALF → 25K
20:29 | 8:27/mi
30K
2:40:32
18.64 mi
Rank: #19844 (+730)
25K → 30K
26:08 | 8:25/mi
20M
2:51:29
20.00 mi
Rank: #19410 (+434)
30K → 20M
10:57 | 8:04/mi
21M
3:00:12
21.00 mi
Rank: #19142 (+268)
20M → 21M
8:43 | 8:43/mi
35K
3:06:03
21.75 mi
Rank: #18938 (+204)
21M → 35K
5:51 | 7:50/mi
23M
3:16:24
23.00 mi
Rank: #18674 (+264)
35K → 23M
10:21 | 8:17/mi
24M
3:25:30
24.00 mi
Rank: #18728 (-54)
23M → 24M
9:06 | 9:06/mi
40K
3:32:30
24.85 mi
Rank: #18566 (+162)
24M → 40K
7:00 | 8:12/mi
25.2M
3:35:31
25.20 mi
Rank: #18471 (+95)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:44:31
26.22 mi
Rank: #18526 (-55)
25.2M → FINISH
9:00 | 8:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:53:55
Pace8:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:50:36
Pace8:27 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:4327:088:4527:08
8:45
-
10K
6.21 mi12:26:1453:398:3926:31
8:33
-0:12
15K
9.32 mi12:53:121:20:378:3926:58
8:41
+0:08
20K
12.43 mi13:20:021:47:278:3926:50
8:39
-0:02
HALF
13.11 mi13:26:301:53:558:426:28
9:30
+0:51
25K
15.53 mi13:46:592:14:248:4020:29
8:27
-1:03
30K
18.64 mi14:13:072:40:328:3726:08
8:25
-0:02
20M
20.00 mi14:24:042:51:298:3510:57
8:04
-0:21
21M
21.00 mi14:32:473:00:128:358:43
8:43
+0:39
35K
21.75 mi14:38:383:06:038:345:51
7:50
-0:53
23M
23.00 mi14:48:593:16:248:3310:21
8:17
+0:27
24M
24.00 mi14:58:053:25:308:349:06
9:06
+0:49
40K
24.85 mi15:05:053:32:308:337:00
8:12
-0:54
25.2M
25.20 mi15:08:063:35:318:343:01
8:45
+0:33
FINISH
26.22 mi15:17:063:44:318:359:00
8:50
+0:05

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

7:50 /mi

Average Pace

8:34 /mi

Slowest Pace

9:30 /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

1:20:46

36% of race

Time at Steady Pace

2:08:11

57% of race

Time at Slower Pace

15:34

7% of race

Average Pace: 8:34 /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 mi11:59:4327:088:4527:08
8:45
#21361
10K
6.21 mi12:26:1453:398:3926:31
8:33
#20944
15K
9.32 mi12:53:121:20:378:3926:58
8:41
#21000
20K
12.43 mi13:20:021:47:278:3926:50
8:39
#20761
HALF
13.11 mi13:26:301:53:558:426:28
9:30
#21002
25K
15.53 mi13:46:592:14:248:4020:29
8:27
#20574
30K
18.64 mi14:13:072:40:328:3726:08
8:25
#19844
20M
20.00 mi14:24:042:51:298:3510:57
8:04
#19410
21M
21.00 mi14:32:473:00:128:358:43
8:43
#19142
35K
21.75 mi14:38:383:06:038:345:51
7:50
#18938
23M
23.00 mi14:48:593:16:248:3310:21
8:17
#18674
24M
24.00 mi14:58:053:25:308:349:06
9:06
#18728
40K
24.85 mi15:05:053:32:308:337:00
8:12
#18566
25.2M
25.20 mi15:08:063:35:318:343:01
8:45
#18471
FINISH
26.22 mi15:17:063:44:318:359:00
8:50
#18526
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 mi21361129001290021088(Top 73%)12820(Top 78%)12820(Top 224%)
10K6.21 mi3.10 mi20944+41712735+16512735+16520521(Top 71%)12563(Top 77%)12563(Top 220%)
15K9.32 mi3.11 mi21000-5612763-2812763-2821088(Top 73%)12820(Top 78%)12820(Top 224%)
20K12.43 mi3.11 mi20761+23912649+11412649+11420065(Top 69%)12315(Top 75%)12315(Top 215%)
HALF13.11 mi0.68 mi21002-24112765-11612765-11624321(Top 84%)14360(Top 88%)14360(Top 251%)
25K15.53 mi2.42 mi20574+42812546+21912546+21918244(Top 63%)11455(Top 70%)11455(Top 200%)
30K18.64 mi3.11 mi19844+73012186+36012186+36016329(Top 56%)10565(Top 65%)10565(Top 185%)
20M20.00 mi1.36 mi19410+43411976+21011976+21013236(Top 46%)9128(Top 56%)9128(Top 159%)
21M21.00 mi1.00 mi19142+26811849+12711849+12714481(Top 50%)9598(Top 59%)9598(Top 168%)
35K21.75 mi0.75 mi18938+20411739+11011739+11013202(Top 45%)8986(Top 55%)8986(Top 157%)
23M23.00 mi1.25 mi18674+26411608+13111608+13114258(Top 49%)9373(Top 57%)9373(Top 164%)
24M24.00 mi1.00 mi18728-5411609-111609-119855(Top 68%)11796(Top 72%)11796(Top 206%)
40K24.85 mi0.85 mi18566+16211529+8011529+8013684(Top 47%)8935(Top 55%)8935(Top 156%)
25.2M25.20 mi0.35 mi18471+9511486+4311486+4313201(Top 45%)8709(Top 53%)8709(Top 152%)
FINISH26.22 mi1.02 mi18526-5511489-311489-319772(Top 68%)11728(Top 72%)11728(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21088

Males

12820

M18-39

12820

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20521

Males

12563

M18-39

12563

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21088

Males

12820

M18-39

12820

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20065

Males

12315

M18-39

12315

20K→HALF

12.4 - 13.1 mi

Top 84%
×2
+19ft-37ft

Overall

24321

Males

14360

M18-39

14360

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18244

Males

11455

M18-39

11455

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16329

Males

10565

M18-39

10565

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13236

Males

9128

M18-39

9128

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14481

Males

9598

M18-39

9598

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13202

Males

8986

M18-39

8986

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14258

Males

9373

M18-39

9373

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19855

Males

11796

M18-39

11796

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13684

Males

8935

M18-39

8935

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13201

Males

8709

M18-39

8709

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19772

Males

11728

M18-39

11728

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3731
Passed By
896
Net Change
+2835
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21361
5K → 10K563146+417#21361#20944
10K → 15K165221-56#20944#21000
15K → 20K30364+239#21000#20761
20K → HALF4245-241#20761#21002
HALF → 25K4302+428#21002#20574
25K → 30K7311+730#20574#19844
30K → 20M4340+434#19844#19410
20M → 21M2713+268#19410#19142
21M → 35K2040+204#19142#18938
35K → 23M2673+264#18938#18674
23M → 24M4498-54#18674#18728
24M → 40K1642+162#18728#18566
40K → 25.2M961+95#18566#18471
25.2M → FINISH55110-55#18471#18526
TOTALS3731896+2835
📊

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