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BOSTON MARATHON 2026

Karen Bertasso

NY

Bib: 165 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 5%
Gender (Female)
#0 / 12578
Top 0.4%
Masters (Masters Women)
#0 / 6862
Top 0.1%
Division (F40-44)
#0 / 1737
Top 0.3%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:07/mi
18:58
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:02/mi
37:42
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:04/mi
56:30
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:07/mi
1:15:28
↑ 106↓ 860.1%
165 ft elev
HALF· 13.11 mi
6:01/mi
1:19:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:05/mi
1:34:18
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:12/mi
1:53:33
↑ 181↓ 1480.2%
138 ft elev
20M
6:12/mi
2:01:58
↑ 64↓ 500.2%
148 ft elev
21M
6:38/mi
2:08:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
5:59/mi
2:13:04
↑ 17↓ 861.7%
156 ft elev
23M
6:19/mi
2:20:58
↑ 23↓ 630.6%
116 ft elev
24M
6:06/mi
2:27:04
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:23/mi
2:32:31
↓ 200.3%
20 ft elev
25.2M
7:01/mi
2:34:56
↑ 13↓ 160.2%
18 ft elev
FINISH· 26.22 mi
6:22/mi
2:41:25
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via HALF
1:19:346:05 /mi⚡ faster
2nd Half
1:21:516:15 /mi+2.9%
Positive split — 2.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
18:586:073.11 mi18:58
6:07
-
10K
37:426:053.10 mi18:44
6:02
-0:05
15K
56:306:043.11 mi18:48
6:04
+0:02
20K
1:15:286:053.11 mi18:58
6:07
+0:03
HALF(13.11 mi)
1:19:346:050.68 mi4:06
6:01
-0:06
25K
1:34:186:052.42 mi14:44
6:05
+0:04
30K
1:53:336:063.11 mi19:15
6:12
+0:07
20M
2:01:586:061.36 mi8:25
6:12
0:00
21M
2:08:366:081.00 mi6:38
6:38
+0:26
35K
2:13:046:080.75 mi4:28
5:59
-0:39
23M
2:20:586:081.25 mi7:54
6:19
+0:20
24M
2:27:046:081.00 mi6:06
6:06
-0:13
40K
2:32:316:090.85 mi5:27
6:23
+0:17
25.2M
2:34:566:090.35 mi2:25
7:01
+0:38
FINISH(26.22 mi)
2:41:256:101.02 mi6:29
6:22
-0:39
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:59 /mi

Average Pace

6:10 /mi

Slowest Pace

7:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:32:22

94% of race

Time at Steady Pace

9:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi1620626215975757
10K3.10 mi1541+7956+656+614855555
15K3.11 mi1547-658-258-215975757
20K3.11 mi1565-18585816105555
HALF(13.11 mi)0.68 mi156556+256+215775252
25K2.42 mi1517+4852+452+413714646
30K3.11 mi1431+8651+151+112704444
20M1.36 mi1388+4350+150+111734343
21M1.00 mi1399-1149+149+117797272
35K0.75 mi1380+1948+148+111284141
23M1.25 mi1368+1250-250-216387474
24M1.00 mi1346+22505014126565
40K0.85 mi134651-151-12059129129
25.2M0.35 mi1354-851512742233233
FINISH(26.22 mi)1.02 mi1386-3252-152-13382377377

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1597

Females

57

F40-44

57

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1485

Females

55

F40-44

55

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1597

Females

57

F40-44

57

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1610

Females

55

F40-44

55

20K→HALF

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1577

Females

52

F40-44

52

HALF→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1371

Females

46

F40-44

46

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1270

Females

44

F40-44

44

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1173

Females

43

F40-44

43

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1779

Females

72

F40-44

72

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1128

Females

41

F40-44

41

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1638

Females

74

F40-44

74

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1412

Females

65

F40-44

65

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2059

Females

129

F40-44

129

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2742

Females

233

F40-44

233

25.2M→FINISH

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3382

Females

377

F40-44

377

Passing Analysis

Category:
Passed
590
Passed By
356
Net Change
+234
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1620
5K → 10K12748+79#1620#1541
10K → 15K4753-6#1541#1547
15K → 20K4260-18#1547#1565
20K → HALF880#1565#1565
HALF → 25K6214+48#1565#1517
25K → 30K10317+86#1517#1431
30K → 20M529+43#1431#1388
20M → 21M2132-11#1388#1399
21M → 35K223+19#1399#1380
35K → 23M3220+12#1380#1368
23M → 24M3816+22#1368#1346
24M → 40K18180#1346#1346
40K → 25.2M614-8#1346#1354
25.2M → FINISH1244-32#1354#1386
TOTALS590356+234

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing