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BOSTON MARATHON 2026

Irene Marzuoli

Bib: 31990•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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· 3.11 mi
25:50
Rank: #18963
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
50:36
Rank: #18051 (+912)
5K → 10K
24:46 | 7:59/mi
15K· 9.32 mi
1:15:46
Rank: #17947 (+104)
10K → 15K
25:10 | 8:07/mi
20K· 12.43 mi
1:41:03
Rank: #17726 (+221)
15K → 20K
25:17 | 8:09/mi
HALF· 13.11 mi
1:46:30
Rank: #17698 (+28)
20K → HALF
5:27 | 8:00/mi
25K· 15.53 mi
2:06:22
Rank: #17536 (+162)
HALF → 25K
19:52 | 8:12/mi
30K· 18.64 mi
2:33:01
Rank: #17437 (+99)
25K → 30K
26:39 | 8:35/mi
20M
2:44:53
Rank: #17443 (-6)
30K → 20M
11:52 | 8:45/mi
21M
2:54:14
Rank: #17433 (+10)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:00:38
Rank: #17437 (-4)
21M → 35K
6:24 | 8:34/mi
23M
3:12:05
Rank: #17546 (-109)
35K → 23M
11:27 | 9:09/mi
24M
3:21:24
Rank: #17706 (-160)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:29:14
Rank: #17762 (-56)
24M → 40K
7:50 | 9:10/mi
25.2M
3:32:31
Rank: #17741 (+21)
40K → 25.2M
3:17 | 9:32/mi
FINISH· 26.22 mi
3:41:36
Rank: #17843 (-102)
25.2M → FINISH
9:05 | 8:55/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
Time1:46:30
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:55:06
Pace8:47 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2225:508:1925:50
8:19
-
10K
6.21 mi12:18:0850:368:0924:46
7:59
-0:20
15K
9.32 mi12:43:181:15:468:0825:10
8:07
+0:08
20K
12.43 mi13:08:351:41:038:0825:17
8:09
+0:02
HALF
13.11 mi13:14:021:46:308:085:27
8:00
-0:09
25K
15.53 mi13:33:542:06:228:0919:52
8:12
+0:12
30K
18.64 mi14:00:332:33:018:1326:39
8:35
+0:23
20M
20.00 mi14:12:252:44:538:1511:52
8:45
+0:10
21M
21.00 mi14:21:462:54:148:189:21
9:21
+0:36
35K
21.75 mi14:28:103:00:388:196:24
8:34
-0:47
23M
23.00 mi14:39:373:12:058:2211:27
9:09
+0:35
24M
24.00 mi14:48:563:21:248:249:19
9:19
+0:10
40K
24.85 mi14:56:463:29:148:267:50
9:10
-0:09
25.2M
25.20 mi15:00:033:32:318:263:17
9:32
+0:22
FINISH
26.22 mi15:09:083:41:368:289:05
8:55
-0:37

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

7:59 /mi

Average Pace

8:27 /mi

Slowest Pace

9:32 /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

2:51:17

77% of race

Time at Steady Pace

47:02

21% of race

Time at Slower Pace

3:17

1% of race

Average Pace: 8:27 /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 mi11:53:2225:508:1925:50
8:19
#18963
10K
6.21 mi12:18:0850:368:0924:46
7:59
#18051
15K
9.32 mi12:43:181:15:468:0825:10
8:07
#17947
20K
12.43 mi13:08:351:41:038:0825:17
8:09
#17726
HALF
13.11 mi13:14:021:46:308:085:27
8:00
#17698
25K
15.53 mi13:33:542:06:228:0919:52
8:12
#17536
30K
18.64 mi14:00:332:33:018:1326:39
8:35
#17437
20M
20.00 mi14:12:252:44:538:1511:52
8:45
#17443
21M
21.00 mi14:21:462:54:148:189:21
9:21
#17433
35K
21.75 mi14:28:103:00:388:196:24
8:34
#17437
23M
23.00 mi14:39:373:12:058:2211:27
9:09
#17546
24M
24.00 mi14:48:563:21:248:249:19
9:19
#17706
40K
24.85 mi14:56:463:29:148:267:50
9:10
#17762
25.2M
25.20 mi15:00:033:32:318:263:17
9:32
#17741
FINISH
26.22 mi15:09:083:41:368:289:05
8:55
#17843
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi189637066706617727(Top 61%)6324(Top 50%)6324(Top 111%)
10K6.21 mi3.10 mi18051+9126527+5396527+53917035(Top 59%)5938(Top 47%)5938(Top 104%)
15K9.32 mi3.11 mi17947+1046464+636464+6317727(Top 61%)6324(Top 50%)6324(Top 111%)
20K12.43 mi3.11 mi17726+2216345+1196345+11917120(Top 59%)5992(Top 48%)5992(Top 105%)
HALF13.11 mi0.68 mi17698+286330+156330+1517152(Top 59%)6011(Top 48%)6011(Top 105%)
25K15.53 mi2.42 mi17536+1626240+906240+9016759(Top 58%)5861(Top 47%)5861(Top 103%)
30K18.64 mi3.11 mi17437+996206+346206+3417363(Top 60%)6317(Top 50%)6317(Top 111%)
20M20.00 mi1.36 mi17443-66226-206226-2017606(Top 61%)6534(Top 52%)6534(Top 114%)
21M21.00 mi1.00 mi17433+106241-156241-1517872(Top 62%)6722(Top 53%)6722(Top 118%)
35K21.75 mi0.75 mi17437-46260-196260-1917910(Top 62%)6844(Top 54%)6844(Top 120%)
23M23.00 mi1.25 mi17546-1096357-976357-9719192(Top 66%)7564(Top 60%)7564(Top 132%)
24M24.00 mi1.00 mi17706-1606464-1076464-10720691(Top 71%)8386(Top 67%)8386(Top 147%)
40K24.85 mi0.85 mi17762-566515-516515-5119145(Top 66%)7648(Top 61%)7648(Top 134%)
25.2M25.20 mi0.35 mi17741+216511+46511+417468(Top 60%)6756(Top 54%)6756(Top 118%)
FINISH26.22 mi1.02 mi17843-1026592-816592-8120163(Top 69%)8157(Top 65%)8157(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17727

Females

6324

F18-39

6324

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

17035

Females

5938

F18-39

5938

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17727

Females

6324

F18-39

6324

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

17120

Females

5992

F18-39

5992

20K→HALF

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

17152

Females

6011

F18-39

6011

HALF→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16759

Females

5861

F18-39

5861

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17363

Females

6317

F18-39

6317

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17606

Females

6534

F18-39

6534

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17872

Females

6722

F18-39

6722

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17910

Females

6844

F18-39

6844

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

19192

Females

7564

F18-39

7564

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20691

Females

8386

F18-39

8386

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

19145

Females

7648

F18-39

7648

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17468

Females

6756

F18-39

6756

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

20163

Females

8157

F18-39

8157

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2417
Passed By
1297
Net Change
+1120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18963
5K → 10K96351+912#18963#18051
10K → 15K236132+104#18051#17947
15K → 20K28362+221#17947#17726
20K → HALF4719+28#17726#17698
HALF → 25K21149+162#17698#17536
25K → 30K222123+99#17536#17437
30K → 20M8995-6#17437#17443
20M → 21M7868+10#17443#17433
21M → 35K5862-4#17433#17437
35K → 23M62171-109#17437#17546
23M → 24M33193-160#17546#17706
24M → 40K55111-56#17706#17762
40K → 25.2M4221+21#17762#17741
25.2M → FINISH38140-102#17741#17843
TOTALS24171297+1120
📊

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