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BOSTON MARATHON 2026

Kathryn Holoubek

Bib: 16578•F

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
25:22
3.11 mi
Rank: #18018
Start → 5K
25:22 | 8:10/mi
10K
50:49
6.21 mi
Rank: #18279 (-261)
5K → 10K
25:27 | 8:12/mi
15K
1:16:45
9.32 mi
Rank: #18601 (-322)
10K → 15K
25:56 | 8:21/mi
20K
1:43:38
12.43 mi
Rank: #19006 (-405)
15K → 20K
26:53 | 8:40/mi
HALF
1:49:30
13.11 mi
Rank: #19108 (-102)
20K → HALF
5:52 | 8:37/mi
25K
2:11:10
15.53 mi
Rank: #19418 (-310)
HALF → 25K
21:40 | 8:57/mi
30K
2:39:48
18.64 mi
Rank: #19636 (-218)
25K → 30K
28:38 | 9:13/mi
20M
2:54:09
20.00 mi
Rank: #20149 (-513)
30K → 20M
14:21 | 10:34/mi
21M
3:03:58
21.00 mi
Rank: #20145 (+4)
20M → 21M
9:49 | 9:49/mi
35K
3:10:23
21.75 mi
Rank: #20057 (+88)
21M → 35K
6:25 | 8:35/mi
23M
3:21:41
23.00 mi
Rank: #19981 (+76)
35K → 23M
11:18 | 9:02/mi
24M
3:30:33
24.00 mi
Rank: #19926 (+55)
23M → 24M
8:52 | 8:52/mi
40K
3:38:22
24.85 mi
Rank: #19890 (+36)
24M → 40K
7:49 | 9:09/mi
25.2M
3:41:43
25.20 mi
Rank: #19872 (+18)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:50:39
26.22 mi
Rank: #19859 (+13)
25.2M → FINISH
8:56 | 8:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:30
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:01:09
Pace9:15 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0725:228:1025:22
8:10
-
10K
6.21 mi11:52:3450:498:1125:27
8:12
+0:02
15K
9.32 mi12:18:301:16:458:1525:56
8:21
+0:09
20K
12.43 mi12:45:231:43:388:2126:53
8:40
+0:19
HALF
13.11 mi12:51:151:49:308:225:52
8:37
-0:03
25K
15.53 mi13:12:552:11:108:2721:40
8:57
+0:20
30K
18.64 mi13:41:332:39:488:3528:38
9:13
+0:16
20M
20.00 mi13:55:542:54:098:4314:21
10:34
+1:21
21M
21.00 mi14:05:433:03:588:469:49
9:49
-0:45
35K
21.75 mi14:12:083:10:238:466:25
8:35
-1:14
23M
23.00 mi14:23:263:21:418:4711:18
9:02
+0:27
24M
24.00 mi14:32:183:30:338:478:52
8:52
-0:10
40K
24.85 mi14:40:073:38:228:487:49
9:09
+0:17
25.2M
25.20 mi14:43:283:41:438:483:21
9:43
+0:34
FINISH
26.22 mi14:52:243:50:398:498:56
8:46
-0:57

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

8:10 /mi

Average Pace

8:48 /mi

Slowest Pace

10:34 /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

1:16:45

33% of race

Time at Steady Pace

1:37:45

42% of race

Time at Slower Pace

56:09

24% of race

Average Pace: 8:48 /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 mi11:27:0725:228:1025:22
8:10
#18018
10K
6.21 mi11:52:3450:498:1125:27
8:12
#18279
15K
9.32 mi12:18:301:16:458:1525:56
8:21
#18601
20K
12.43 mi12:45:231:43:388:2126:53
8:40
#19006
HALF
13.11 mi12:51:151:49:308:225:52
8:37
#19108
25K
15.53 mi13:12:552:11:108:2721:40
8:57
#19418
30K
18.64 mi13:41:332:39:488:3528:38
9:13
#19636
20M
20.00 mi13:55:542:54:098:4314:21
10:34
#20149
21M
21.00 mi14:05:433:03:588:469:49
9:49
#20145
35K
21.75 mi14:12:083:10:238:466:25
8:35
#20057
23M
23.00 mi14:23:263:21:418:4711:18
9:02
#19981
24M
24.00 mi14:32:183:30:338:478:52
8:52
#19926
40K
24.85 mi14:40:073:38:228:487:49
9:09
#19890
25.2M
25.20 mi14:43:283:41:438:483:21
9:43
#19872
FINISH
26.22 mi14:52:243:50:398:498:56
8:46
#19859
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi180186525652519291(Top 66%)7208(Top 57%)7208(Top 126%)
10K6.21 mi3.10 mi18279-2616655-1306655-13018543(Top 64%)6771(Top 54%)6771(Top 118%)
15K9.32 mi3.11 mi18601-3226820-1656820-16519291(Top 66%)7208(Top 57%)7208(Top 126%)
20K12.43 mi3.11 mi19006-4057065-2457065-24520190(Top 70%)7735(Top 61%)7735(Top 135%)
HALF13.11 mi0.68 mi19108-1027117-527117-5220891(Top 72%)8054(Top 64%)8054(Top 141%)
25K15.53 mi2.42 mi19418-3107301-1847301-18420876(Top 72%)8101(Top 64%)8101(Top 142%)
30K18.64 mi3.11 mi19636-2187456-1557456-15520587(Top 71%)8045(Top 64%)8045(Top 141%)
20M20.00 mi1.36 mi20149-5137746-2907746-29024010(Top 83%)9913(Top 79%)9913(Top 173%)
21M21.00 mi1.00 mi20145+47752-67752-619829(Top 68%)7760(Top 62%)7760(Top 136%)
35K21.75 mi0.75 mi20057+887710+427710+4218061(Top 62%)6935(Top 55%)6935(Top 121%)
23M23.00 mi1.25 mi19981+767702+87702+818648(Top 64%)7302(Top 58%)7302(Top 128%)
24M24.00 mi1.00 mi19926+557697+57697+518890(Top 65%)7469(Top 59%)7469(Top 131%)
40K24.85 mi0.85 mi19890+367691+67691+619062(Top 66%)7605(Top 60%)7605(Top 133%)
25.2M25.20 mi0.35 mi19872+187684+77684+718332(Top 63%)7224(Top 57%)7224(Top 126%)
FINISH26.22 mi1.02 mi19859+137687-37687-319512(Top 67%)7824(Top 62%)7824(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19291

Females

7208

F18-39

7208

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18543

Females

6771

F18-39

6771

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19291

Females

7208

F18-39

7208

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20190

Females

7735

F18-39

7735

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20891

Females

8054

F18-39

8054

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

20876

Females

8101

F18-39

8101

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20587

Females

8045

F18-39

8045

30K→20M

18.6 - 20.0 mi

Top 83%
×5
+64ft-50ft

Overall

24010

Females

9913

F18-39

9913

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19829

Females

7760

F18-39

7760

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

18061

Females

6935

F18-39

6935

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18648

Females

7302

F18-39

7302

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18890

Females

7469

F18-39

7469

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19062

Females

7605

F18-39

7605

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18332

Females

7224

F18-39

7224

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19512

Females

7824

F18-39

7824

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1074
Passed By
2915
Net Change
-1841
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18018
5K → 10K174435-261#18018#18279
10K → 15K82404-322#18279#18601
15K → 20K55460-405#18601#19006
20K → HALF11113-102#19006#19108
HALF → 25K58368-310#19108#19418
25K → 30K115333-218#19418#19636
30K → 20M26539-513#19636#20149
20M → 21M8278+4#20149#20145
21M → 35K979+88#20145#20057
35K → 23M12448+76#20057#19981
23M → 24M9136+55#19981#19926
24M → 40K7337+36#19926#19890
40K → 25.2M3618+18#19890#19872
25.2M → FINISH5037+13#19872#19859
TOTALS10742915-1841
📊

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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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