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BOSTON MARATHON 2026

Natália Massucatto Pontalti

Bib: 21614•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F45-49)
#0 / 1786
Top 34%
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
25:23
3.11 mi
Rank: #18044
Start → 5K
25:23 | 8:11/mi
10K
50:26
6.21 mi
Rank: #17880 (+164)
5K → 10K
25:03 | 8:04/mi
15K
1:15:22
9.32 mi
Rank: #17673 (+207)
10K → 15K
24:56 | 8:02/mi
20K
1:40:01
12.43 mi
Rank: #17173 (+500)
15K → 20K
24:39 | 7:57/mi
HALF
1:45:21
13.11 mi
Rank: #17089 (+84)
20K → HALF
5:20 | 7:50/mi
25K
2:04:27
15.53 mi
Rank: #16654 (+435)
HALF → 25K
19:06 | 7:53/mi
30K
2:29:54
18.64 mi
Rank: #16289 (+365)
25K → 30K
25:27 | 8:12/mi
20M
2:41:16
20.00 mi
Rank: #16203 (+86)
30K → 20M
11:22 | 8:23/mi
21M
2:49:57
21.00 mi
Rank: #16063 (+140)
20M → 21M
8:41 | 8:41/mi
35K
2:56:13
21.75 mi
Rank: #16060 (+3)
21M → 35K
6:16 | 8:23/mi
23M
3:06:27
23.00 mi
Rank: #15900 (+160)
35K → 23M
10:14 | 8:11/mi
24M
3:14:41
24.00 mi
Rank: #15876 (+24)
23M → 24M
8:14 | 8:14/mi
40K
3:21:45
24.85 mi
Rank: #15801 (+75)
24M → 40K
7:04 | 8:16/mi
25.2M
3:24:53
25.20 mi
Rank: #15776 (+25)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:32:50
26.22 mi
Rank: #15694 (+82)
25.2M → FINISH
7:57 | 7:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:21
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:47:29
Pace8:12 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3825:238:1125:23
8:11
-
10K
6.21 mi11:51:4150:268:0725:03
8:04
-0:07
15K
9.32 mi12:16:371:15:228:0624:56
8:02
-0:02
20K
12.43 mi12:41:161:40:018:0324:39
7:57
-0:05
HALF
13.11 mi12:46:361:45:218:035:20
7:50
-0:07
25K
15.53 mi13:05:422:04:278:0119:06
7:53
+0:03
30K
18.64 mi13:31:092:29:548:0325:27
8:12
+0:19
20M
20.00 mi13:42:312:41:168:0411:22
8:23
+0:11
21M
21.00 mi13:51:122:49:578:068:41
8:41
+0:18
35K
21.75 mi13:57:282:56:138:076:16
8:23
-0:18
23M
23.00 mi14:07:423:06:278:0710:14
8:11
-0:12
24M
24.00 mi14:15:563:14:418:078:14
8:14
+0:03
40K
24.85 mi14:23:003:21:458:087:04
8:16
+0:02
25.2M
25.20 mi14:26:083:24:538:083:08
9:06
+0:50
FINISH
26.22 mi14:34:053:32:508:087:57
7:49
-1:17

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

7:49 /mi

Average Pace

8:07 /mi

Slowest Pace

9:06 /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

3:21:01

94% of race

Time at Steady Pace

11:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:26:3825:238:1125:23
8:11
#18044
10K
6.21 mi11:51:4150:268:0725:03
8:04
#17880
15K
9.32 mi12:16:371:15:228:0624:56
8:02
#17673
20K
12.43 mi12:41:161:40:018:0324:39
7:57
#17173
HALF
13.11 mi12:46:361:45:218:035:20
7:50
#17089
25K
15.53 mi13:05:422:04:278:0119:06
7:53
#16654
30K
18.64 mi13:31:092:29:548:0325:27
8:12
#16289
20M
20.00 mi13:42:312:41:168:0411:22
8:23
#16203
21M
21.00 mi13:51:122:49:578:068:41
8:41
#16063
35K
21.75 mi13:57:282:56:138:076:16
8:23
#16060
23M
23.00 mi14:07:423:06:278:0710:14
8:11
#15900
24M
24.00 mi14:15:563:14:418:078:14
8:14
#15876
40K
24.85 mi14:23:003:21:458:087:04
8:16
#15801
25.2M
25.20 mi14:26:083:24:538:083:08
9:06
#15776
FINISH
26.22 mi14:34:053:32:508:087:57
7:49
#15694
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi180446538653817214(Top 59%)6028(Top 48%)6028(Top 338%)
10K6.21 mi3.10 mi17880+1646420+1186420+11817720(Top 61%)6331(Top 50%)6331(Top 354%)
15K9.32 mi3.11 mi17673+2076306+1146306+11417214(Top 59%)6028(Top 48%)6028(Top 338%)
20K12.43 mi3.11 mi17173+5006027+2796027+27915645(Top 54%)5176(Top 41%)5176(Top 290%)
HALF13.11 mi0.68 mi17089+845984+435984+4315812(Top 54%)5229(Top 42%)5229(Top 293%)
25K15.53 mi2.42 mi16654+4355738+2465738+24614443(Top 50%)4544(Top 36%)4544(Top 254%)
30K18.64 mi3.11 mi16289+3655575+1635575+16314878(Top 51%)4904(Top 39%)4904(Top 275%)
20M20.00 mi1.36 mi16203+865545+305545+3015366(Top 53%)5285(Top 42%)5285(Top 296%)
21M21.00 mi1.00 mi16063+1405483+625483+6214322(Top 49%)4758(Top 38%)4758(Top 266%)
35K21.75 mi0.75 mi16060+35494-115494-1116921(Top 58%)6275(Top 50%)6275(Top 351%)
23M23.00 mi1.25 mi15900+1605427+675427+6713679(Top 47%)4550(Top 36%)4550(Top 255%)
24M24.00 mi1.00 mi15876+245423+45423+415309(Top 53%)5507(Top 44%)5507(Top 308%)
40K24.85 mi0.85 mi15801+755399+245399+2414268(Top 49%)5039(Top 40%)5039(Top 282%)
25.2M25.20 mi0.35 mi15776+255391+85391+815257(Top 53%)5578(Top 44%)5578(Top 312%)
FINISH26.22 mi1.02 mi15694+825372+195372+1913824(Top 48%)4835(Top 38%)4835(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17214

Females

6028

F45-49

6028

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17720

Females

6331

F45-49

6331

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17214

Females

6028

F45-49

6028

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15645

Females

5176

F45-49

5176

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15812

Females

5229

F45-49

5229

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14443

Females

4544

F45-49

4544

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14878

Females

4904

F45-49

4904

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15366

Females

5285

F45-49

5285

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14322

Females

4758

F45-49

4758

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16921

Females

6275

F45-49

6275

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13679

Females

4550

F45-49

4550

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15309

Females

5507

F45-49

5507

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14268

Females

5039

F45-49

5039

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15257

Females

5578

F45-49

5578

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13824

Females

4835

F45-49

4835

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2980*
Passed By
630
Net Change
+2350
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18044
5K → 10K364*200+164#18044#17880
10K → 15K290*83+207#17880#17673
15K → 20K510*10+500#17673#17173
20K → HALF9511+84#17173#17089
HALF → 25K442*7+435#17089#16654
25K → 30K406*41+365#16654#16289
30K → 20M12943+86#16289#16203
20M → 21M16525+140#16203#16063
21M → 35K6663+3#16063#16060
35K → 23M18727+160#16060#15900
23M → 24M7652+24#15900#15876
24M → 40K10328+75#15876#15801
40K → 25.2M4419+25#15801#15776
25.2M → FINISH10321+82#15776#15694
TOTALS2980*630+2350

* 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