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BOSTON MARATHON 2026

Isabel Barbosa

Bib: 30868β€’F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°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
31:19
3.11 mi
Rank: #26170
Start β†’ 5K
31:19 | 10:05/mi
10K
1:04:37
6.21 mi
Rank: #26831 (-661)
5K β†’ 10K
33:18 | 10:44/mi
15K
1:37:18
9.32 mi
Rank: #26777 (+54)
10K β†’ 15K
32:41 | 10:32/mi
20K
2:06:38
12.43 mi
Rank: #26052 (+725)
15K β†’ 20K
29:20 | 9:27/mi
HALF
2:12:51
13.11 mi
Rank: #25921 (+131)
20K β†’ HALF
6:13 | 9:08/mi
25K
2:37:00
15.53 mi
Rank: #25650 (+271)
HALF β†’ 25K
24:09 | 9:58/mi
30K
3:06:01
18.64 mi
Rank: #24929 (+721)
25K β†’ 30K
29:01 | 9:21/mi
20M
3:18:45
20.00 mi
Rank: #24664 (+265)
30K β†’ 20M
12:44 | 9:23/mi
21M
3:28:37
21.00 mi
Rank: #24445 (+219)
20M β†’ 21M
9:52 | 9:52/mi
35K
3:35:05
21.75 mi
Rank: #24268 (+177)
21M β†’ 35K
6:28 | 8:39/mi
23M
3:47:12
23.00 mi
Rank: #24059 (+209)
35K β†’ 23M
12:07 | 9:41/mi
24M
3:56:52
24.00 mi
Rank: #23962 (+97)
23M β†’ 24M
9:40 | 9:40/mi
40K
4:04:41
24.85 mi
Rank: #23803 (+159)
24M β†’ 40K
7:49 | 9:09/mi
25.2M
4:08:30
25.20 mi
Rank: #23782 (+21)
40K β†’ 25.2M
3:49 | 11:05/mi
FINISH
4:17:44
26.22 mi
Rank: #23661 (+121)
25.2M β†’ FINISH
9:14 | 9:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:12:51
Pace10:09 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time2:04:53
Pace9:32 /mi
πŸ“ŠNegative Split: 6.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:4831:1910:0531:19
10:05
-
10K
6.21 mi12:33:061:04:3710:2433:18
10:44
+0:39
15K
9.32 mi13:05:471:37:1810:2732:41
10:32
-0:12
20K
12.43 mi13:35:072:06:3810:1229:20
9:27
-1:05
HALF
13.11 mi13:41:202:12:5110:096:13
9:08
-0:19
25K
15.53 mi14:05:292:37:0010:0724:09
9:58
+0:50
30K
18.64 mi14:34:303:06:019:5929:01
9:21
-0:37
20M
20.00 mi14:47:143:18:459:5712:44
9:23
+0:02
21M
21.00 mi14:57:063:28:379:579:52
9:52
+0:29
35K
21.75 mi15:03:343:35:059:546:28
8:39
-1:13
23M
23.00 mi15:15:413:47:129:5312:07
9:41
+1:02
24M
24.00 mi15:25:213:56:529:539:40
9:40
-0:01
40K
24.85 mi15:33:104:04:419:517:49
9:09
-0:31
25.2M
25.20 mi15:36:594:08:309:523:49
11:05
+1:56
FINISH
26.22 mi15:46:134:17:449:519:14
9:04
-2:01

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

8:39 /mi

Average Pace

9:50 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

29:44

12% of race

Time at Steady Pace

2:06:53

49% of race

Time at Slower Pace

1:41:07

39% of race

Average Pace: 9:50 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:59:4831:1910:0531:19
10:05
#26170
10K
6.21 mi12:33:061:04:3710:2433:18
10:44
#26831
15K
9.32 mi13:05:471:37:1810:2732:41
10:32
#26777
20K
12.43 mi13:35:072:06:3810:1229:20
9:27
#26052
HALF
13.11 mi13:41:202:12:5110:096:13
9:08
#25921
25K
15.53 mi14:05:292:37:0010:0724:09
9:58
#25650
30K
18.64 mi14:34:303:06:019:5929:01
9:21
#24929
20M
20.00 mi14:47:143:18:459:5712:44
9:23
#24664
21M
21.00 mi14:57:063:28:379:579:52
9:52
#24445
35K
21.75 mi15:03:343:35:059:546:28
8:39
#24268
23M
23.00 mi15:15:413:47:129:5312:07
9:41
#24059
24M
24.00 mi15:25:213:56:529:539:40
9:40
#23962
40K
24.85 mi15:33:104:04:419:517:49
9:09
#23803
25.2M
25.20 mi15:36:594:08:309:523:49
11:05
#23782
FINISH
26.22 mi15:46:134:17:449:519:14
9:04
#23661
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26170107951079526730(Top 92%)11146(Top 89%)11146(Top 642%)
10K6.21 mi3.10 mi26831-66111193-39811193-39827295(Top 94%)11465(Top 91%)11465(Top 660%)
15K9.32 mi3.11 mi26777+5411164+2911164+2926730(Top 92%)11146(Top 89%)11146(Top 642%)
20K12.43 mi3.11 mi26052+72510752+41210752+41223575(Top 81%)9483(Top 75%)9483(Top 546%)
HALF13.11 mi0.68 mi25921+13110673+7910673+7923239(Top 80%)9287(Top 74%)9287(Top 535%)
25K15.53 mi2.42 mi25650+27110541+13210541+13224209(Top 83%)9819(Top 78%)9819(Top 565%)
30K18.64 mi3.11 mi24929+72110183+35810183+35821106(Top 73%)8316(Top 66%)8316(Top 479%)
20M20.00 mi1.36 mi24664+26510056+12710056+12720602(Top 71%)8148(Top 65%)8148(Top 469%)
21M21.00 mi1.00 mi24445+2199957+999957+9920014(Top 69%)7878(Top 63%)7878(Top 454%)
35K21.75 mi0.75 mi24268+1779874+839874+8318422(Top 63%)7133(Top 57%)7133(Top 411%)
23M23.00 mi1.25 mi24059+2099786+889786+8821224(Top 73%)8598(Top 68%)8598(Top 495%)
24M24.00 mi1.00 mi23962+979756+309756+3021901(Top 75%)8990(Top 71%)8990(Top 518%)
40K24.85 mi0.85 mi23803+1599680+769680+7619090(Top 66%)7633(Top 61%)7633(Top 439%)
25.2M25.20 mi0.35 mi23782+219674+69674+622575(Top 78%)9382(Top 75%)9382(Top 540%)
FINISH26.22 mi1.02 mi23661+1219630+449630+4420797(Top 72%)8476(Top 67%)8476(Top 488%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26730

Females

11146

F40-44

11146

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27295

Females

11465

F40-44

11465

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26730

Females

11146

F40-44

11146

15K→20K

9.3 - 12.4 mi

Top 81%
Γ—5
+106ft-86ft

Overall

23575

Females

9483

F40-44

9483

20K→HALF

12.4 - 13.1 mi

Top 80%
Γ—2
+19ft-37ft

Overall

23239

Females

9287

F40-44

9287

HALF→25K

13.1 - 15.5 mi

Top 83%
Γ—4
+66ft-88ft

Overall

24209

Females

9819

F40-44

9819

25K→30K

15.5 - 18.6 mi

Top 73%
Γ—9
+181ft-148ft

Overall

21106

Females

8316

F40-44

8316

30K→20M

18.6 - 20.0 mi

Top 71%
Γ—5
+64ft-50ft

Overall

20602

Females

8148

F40-44

8148

20M→21M

20.0 - 21.0 mi

Top 69%
Γ—8
+106ft-24ft

Overall

20014

Females

7878

F40-44

7878

21M→35K

21.0 - 21.8 mi

Top 63%
Γ—7
+17ft-86ft

Overall

18422

Females

7133

F40-44

7133

35K→23M

21.8 - 23.0 mi

Top 73%
Γ—5
+23ft-63ft

Overall

21224

Females

8598

F40-44

8598

23M→24M

23.0 - 24.0 mi

Top 75%
Γ—6
+12ft-82ft

Overall

21901

Females

8990

F40-44

8990

24M→40K

24.0 - 24.9 mi

Top 66%
Γ—1
+6ft-20ft

Overall

19090

Females

7633

F40-44

7633

40K→25.2M

24.9 - 25.2 mi

Top 78%
Γ—1
+13ft-16ft

Overall

22575

Females

9382

F40-44

9382

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
Γ—2
+22ft-21ft

Overall

20797

Females

8476

F40-44

8476

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3341*
Passed By
338
Net Change
+2509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26170
5K β†’ 10K33200-661#26170#26831
10K β†’ 15K14995+54#26831#26777
15K β†’ 20K726*1+725#26777#26052
20K β†’ HALF1321+131#26052#25921
HALF β†’ 25K275*4+271#25921#25650
25K β†’ 30K721*0+721#25650#24929
30K β†’ 20M266*1+265#24929#24664
20M β†’ 21M219*0+219#24664#24445
21M β†’ 35K1770+177#24445#24268
35K β†’ 23M211*2+209#24268#24059
23M β†’ 24M10811+97#24059#23962
24M β†’ 40K1601+159#23962#23803
40K β†’ 25.2M3413+21#23803#23782
25.2M β†’ FINISH1309+121#23782#23661
TOTALS3341*338+2509

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing