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BOSTON MARATHON 2026

Katarzyna West

Bib: 22375•F

FL

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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 (F45-49)
#0 / 1786
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
26:05
3.11 mi
Rank: #19497
Start → 5K
26:05 | 8:24/mi
10K
51:19
6.21 mi
Rank: #18772 (+725)
5K → 10K
25:14 | 8:08/mi
15K
1:16:53
9.32 mi
Rank: #18700 (+72)
10K → 15K
25:34 | 8:14/mi
20K
1:43:05
12.43 mi
Rank: #18736 (-36)
15K → 20K
26:12 | 8:26/mi
HALF
1:48:47
13.11 mi
Rank: #18767 (-31)
20K → HALF
5:42 | 8:22/mi
25K
2:09:38
15.53 mi
Rank: #18814 (-47)
HALF → 25K
20:51 | 8:36/mi
30K
2:38:44
18.64 mi
Rank: #19310 (-496)
25K → 30K
29:06 | 9:22/mi
20M
2:51:30
20.00 mi
Rank: #19421 (-111)
30K → 20M
12:46 | 9:24/mi
21M
3:02:31
21.00 mi
Rank: #19756 (-335)
20M → 21M
11:01 | 11:01/mi
35K
3:10:04
21.75 mi
Rank: #19989 (-233)
21M → 35K
7:33 | 10:06/mi
23M
3:22:44
23.00 mi
Rank: #20228
35K → 23M
12:40 | 10:08/mi
24M
3:32:27
24.00 mi
Rank: #20311
23M → 24M
9:43 | 9:43/mi
40K
3:40:54
24.85 mi
Rank: #20379
24M → 40K
8:27 | 9:53/mi
25.2M
3:44:20
25.20 mi
Rank: #20361
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:53:35
26.22 mi
Rank: #20380
25.2M → FINISH
9:15 | 9:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:04:48
Pace9:32 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:5926:058:2426:05
8:24
-
10K
6.21 mi11:53:1351:198:1625:14
8:08
-0:16
15K
9.32 mi12:18:471:16:538:1525:34
8:14
+0:06
20K
12.43 mi12:44:591:43:058:1826:12
8:26
+0:12
HALF
13.11 mi12:50:411:48:478:185:42
8:22
-0:04
25K
15.53 mi13:11:322:09:388:2120:51
8:36
+0:14
30K
18.64 mi13:40:382:38:448:3129:06
9:22
+0:46
20M
20.00 mi13:53:242:51:308:3512:46
9:24
+0:02
21M
21.00 mi14:04:253:02:318:4211:01
11:01
+1:37
35K
21.75 mi14:11:583:10:048:457:33
10:06
-0:55
23M
23.00 mi14:24:383:22:448:4912:40
10:08
+0:02
24M
24.00 mi14:34:213:32:278:529:43
9:43
-0:25
40K
24.85 mi14:42:483:40:548:548:27
9:53
+0:10
25.2M
25.20 mi14:46:143:44:208:553:26
9:58
+0:05
FINISH
26.22 mi14:55:293:53:358:559:15
9:05
-0:53

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

8:08 /mi

Average Pace

8:55 /mi

Slowest Pace

11:01 /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

2:09:38

55% of race

Time at Steady Pace

1:00:50

26% of race

Time at Slower Pace

43:07

18% of race

Average Pace: 8:55 /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 mi11:27:5926:058:2426:05
8:24
#19497
10K
6.21 mi11:53:1351:198:1625:14
8:08
#18772
15K
9.32 mi12:18:471:16:538:1525:34
8:14
#18700
20K
12.43 mi12:44:591:43:058:1826:12
8:26
#18736
HALF
13.11 mi12:50:411:48:478:185:42
8:22
#18767
25K
15.53 mi13:11:322:09:388:2120:51
8:36
#18814
30K
18.64 mi13:40:382:38:448:3129:06
9:22
#19310
20M
20.00 mi13:53:242:51:308:3512:46
9:24
#19421
21M
21.00 mi14:04:253:02:318:4211:01
11:01
#19756
35K
21.75 mi14:11:583:10:048:457:33
10:06
#19989
23M
23.00 mi14:24:383:22:448:4912:40
10:08
#20228
24M
24.00 mi14:34:213:32:278:529:43
9:43
#20311
40K
24.85 mi14:42:483:40:548:548:27
9:53
#20379
25.2M
25.20 mi14:46:143:44:208:553:26
9:58
#20361
FINISH
26.22 mi14:55:293:53:358:559:15
9:05
#20380
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 mi194977364736418557(Top 64%)6794(Top 54%)6794(Top 380%)
10K6.21 mi3.10 mi18772+7256934+4306934+43018132(Top 62%)6556(Top 52%)6556(Top 367%)
15K9.32 mi3.11 mi18700+726877+576877+5718557(Top 64%)6794(Top 54%)6794(Top 380%)
20K12.43 mi3.11 mi18736-366911-346911-3418927(Top 65%)7031(Top 56%)7031(Top 394%)
HALF13.11 mi0.68 mi18767-316929-186929-1819489(Top 67%)7326(Top 58%)7326(Top 410%)
25K15.53 mi2.42 mi18814-476961-326961-3219185(Top 66%)7235(Top 58%)7235(Top 405%)
30K18.64 mi3.11 mi19310-4967283-3227283-32221193(Top 73%)8367(Top 67%)8367(Top 468%)
20M20.00 mi1.36 mi19421-1117360-777360-7720688(Top 71%)8185(Top 65%)8185(Top 458%)
21M21.00 mi1.00 mi19756-3357562-2027562-20223146(Top 80%)9500(Top 76%)9500(Top 532%)
35K21.75 mi0.75 mi19989-2337683-1217683-12123400(Top 81%)9657(Top 77%)9657(Top 541%)
23M23.00 mi1.25 mi20228-2397823-1407823-14022466(Top 77%)9228(Top 73%)9228(Top 517%)
24M24.00 mi1.00 mi20311-837883-607883-6022029(Top 76%)9054(Top 72%)9054(Top 507%)
40K24.85 mi0.85 mi20379-687935-527935-5221606(Top 74%)8898(Top 71%)8898(Top 498%)
25.2M25.20 mi0.35 mi20361+187931+47931+419303(Top 67%)7726(Top 61%)7726(Top 433%)
FINISH26.22 mi1.02 mi20380-197949-187949-1820845(Top 72%)8497(Top 68%)8497(Top 476%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18557

Females

6794

F45-49

6794

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

18132

Females

6556

F45-49

6556

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18557

Females

6794

F45-49

6794

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18927

Females

7031

F45-49

7031

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19489

Females

7326

F45-49

7326

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19185

Females

7235

F45-49

7235

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21193

Females

8367

F45-49

8367

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20688

Females

8185

F45-49

8185

20M→21M

20.0 - 21.0 mi

Top 80%
×8
+106ft-24ft

Overall

23146

Females

9500

F45-49

9500

21M→35K

21.0 - 21.8 mi

Top 81%
×7
+17ft-86ft

Overall

23400

Females

9657

F45-49

9657

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22466

Females

9228

F45-49

9228

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

22029

Females

9054

F45-49

9054

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21606

Females

8898

F45-49

8898

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19303

Females

7726

F45-49

7726

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20845

Females

8497

F45-49

8497

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 5 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing