Boston Marathon logo
BOSTON MARATHON 2026

Kathleen Sasso

Bib: 26347•F

SC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Division (F70-74)
#0 / 81
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:01/mi
34:13
↑ 97↓ 3451.5%
10K· 6.21 mi
11:11/mi
1:08:55
↑ 79↓ 1380.4%
15K· 9.32 mi
12:36/mi
1:48:02
↑ 67↓ 78
20K· 12.43 mi
11:59/mi
2:25:15
↑ 106↓ 860.1%
HALF· 13.11 mi
11:45/mi
2:33:15
↑ 19↓ 370.5%
25K· 15.53 mi
13:11/mi
3:05:11
↑ 66↓ 880.2%
30K· 18.64 mi
13:08/mi
3:45:57
↑ 181↓ 1480.2%
20M
12:25/mi
4:02:48
↑ 64↓ 500.2%
21M
13:19/mi
4:16:07
↑ 106↓ 241.6%
35K· 21.75 mi
11:46/mi
4:24:55
↑ 17↓ 861.7%
23M
12:09/mi
4:40:07
↑ 23↓ 630.6%
24M
12:25/mi
4:52:32
↓ 821.3%
40K· 24.85 mi
12:16/mi
5:03:01
↓ 200.3%
25.2M
13:15/mi
5:07:35
↑ 13↓ 160.2%
FINISH· 26.22 mi
11:53/mi
5:19:41
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time2:33:15
Pace11:42 /mi
2nd Half
Distance13.11 mi
Time2:46:26
Pace12:42 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4334:1311:0134:13
11:01
-
10K
6.21 mi12:17:251:08:5511:0634:42
11:11
+0:10
15K
9.32 mi12:56:321:48:0211:3639:07
12:36
+1:25
20K
12.43 mi13:33:452:25:1511:4237:13
11:59
-0:37
HALF
13.11 mi13:41:452:33:1511:428:00
11:45
-0:14
25K
15.53 mi14:13:413:05:1111:5631:56
13:11
+1:26
30K
18.64 mi14:54:273:45:5712:0840:46
13:08
-0:03
20M
20.00 mi15:11:184:02:4812:0916:51
12:25
-0:43
21M
21.00 mi15:24:374:16:0712:1213:19
13:19
+0:54
35K
21.75 mi15:33:254:24:5512:118:48
11:46
-1:33
23M
23.00 mi15:48:374:40:0712:1115:12
12:09
+0:23
24M
24.00 mi16:01:024:52:3212:1212:25
12:25
+0:16
40K
24.85 mi16:11:315:03:0112:1210:29
12:16
-0:09
25.2M
25.20 mi16:16:055:07:3512:134:34
13:15
+0:59
FINISH
26.22 mi16:28:115:19:4112:1312:06
11:53
-1:22

Checkpoints & Pacing

📈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

11:01 /mi

Average Pace

12:12 /mi

Slowest Pace

13:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:49

31% of race

Time at Steady Pace

2:11:17

41% of race

Time at Slower Pace

1:30:35

28% of race

Average Pace: 12:12 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:42:4334:1311:0134:13
11:01
#28035
10K
6.21 mi12:17:251:08:5511:0634:42
11:11
#27984
15K
9.32 mi12:56:321:48:0211:3639:07
12:36
#28326
20K
12.43 mi13:33:452:25:1511:4237:13
11:59
#28258
HALF
13.11 mi13:41:452:33:1511:428:00
11:45
#28251
25K
15.53 mi14:13:413:05:1111:5631:56
13:11
#28276
30K
18.64 mi14:54:273:45:5712:0840:46
13:08
#28200
20M
20.00 mi15:11:184:02:4812:0916:51
12:25
#28130
21M
21.00 mi15:24:374:16:0712:1213:19
13:19
#28061
35K
21.75 mi15:33:254:24:5512:118:48
11:46
#28031
23M
23.00 mi15:48:374:40:0712:1115:12
12:09
#27969
24M
24.00 mi16:01:024:52:3212:1212:25
12:25
#27929
40K
24.85 mi16:11:315:03:0112:1210:29
12:16
#27896
25.2M
25.20 mi16:16:055:07:3512:134:34
13:15
#27885
FINISH
26.22 mi16:28:115:19:4112:1312:06
11:53
#27879
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi28035119041190428681(Top 99%)12350(Top 98%)12350(Top 15247%)
10K6.21 mi3.10 mi27984+5111881+2311881+2327889(Top 96%)11850(Top 94%)11850(Top 14630%)
15K9.32 mi3.11 mi28326-34212103-22212103-22228681(Top 99%)12350(Top 98%)12350(Top 15247%)
20K12.43 mi3.11 mi28258+6812058+4512058+4528004(Top 96%)11920(Top 95%)11920(Top 14716%)
HALF13.11 mi0.68 mi28251+712056+212056+228100(Top 97%)12019(Top 96%)12019(Top 14838%)
25K15.53 mi2.42 mi28276-2512086-3012086-3028322(Top 98%)12147(Top 97%)12147(Top 14996%)
30K18.64 mi3.11 mi28200+7612042+4412042+4427809(Top 96%)11895(Top 95%)11895(Top 14685%)
20M20.00 mi1.36 mi28130+7012004+3812004+3826864(Top 93%)11440(Top 91%)11440(Top 14123%)
21M21.00 mi1.00 mi28061+6911972+3211972+3226708(Top 92%)11393(Top 91%)11393(Top 14065%)
35K21.75 mi0.75 mi28031+3011956+1611956+1626466(Top 91%)11282(Top 90%)11282(Top 13928%)
23M23.00 mi1.25 mi27969+6211920+3611920+3626335(Top 91%)11238(Top 89%)11238(Top 13874%)
24M24.00 mi1.00 mi27929+4011905+1511905+1527099(Top 93%)11674(Top 93%)11674(Top 14412%)
40K24.85 mi0.85 mi27896+3311894+1111894+1126250(Top 90%)11276(Top 90%)11276(Top 13921%)
25.2M25.20 mi0.35 mi27885+1111892+211892+226398(Top 91%)11323(Top 90%)11323(Top 13979%)
FINISH26.22 mi1.02 mi27879+611893-111893-127329(Top 94%)11790(Top 94%)11790(Top 14556%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28681

Females

12350

F70-74

12350

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27889

Females

11850

F70-74

11850

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28681

Females

12350

F70-74

12350

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

28004

Females

11920

F70-74

11920

20K→HALF

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

28100

Females

12019

F70-74

12019

HALF→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

28322

Females

12147

F70-74

12147

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27809

Females

11895

F70-74

11895

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26864

Females

11440

F70-74

11440

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26708

Females

11393

F70-74

11393

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

26466

Females

11282

F70-74

11282

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

26335

Females

11238

F70-74

11238

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

27099

Females

11674

F70-74

11674

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

26250

Females

11276

F70-74

11276

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

26398

Females

11323

F70-74

11323

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

27329

Females

11790

F70-74

11790

Passing Analysis

Category:
Athletes Passed
772
Passed By
616
Net Change
+156
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28035
5K → 10K157106+51#28035#27984
10K → 15K11353-342#27984#28326
15K → 20K9527+68#28326#28258
20K → HALF169+7#28258#28251
HALF → 25K4267-25#28251#28276
25K → 30K10024+76#28276#28200
30K → 20M711+70#28200#28130
20M → 21M756+69#28130#28061
21M → 35K300+30#28061#28031
35K → 23M642+62#28031#27969
23M → 24M444+40#27969#27929
24M → 40K385+33#27929#27896
40K → 25.2M132+11#27896#27885
25.2M → FINISH1610+6#27885#27879
TOTALS772616+156
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...
OTQ

Olympic Trials Qualifying analysis available

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing