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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katie Karst

Bib: 17511 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 40%
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
24:32
3.11 mi
Rank: #16188
Start → 5K
24:32 | 7:54/mi
10K
49:18
6.21 mi
Rank: #16604 (-416)
5K → 10K
24:46 | 7:59/mi
15K
1:13:58
9.32 mi
Rank: #16588 (+16)
10K → 15K
24:40 | 7:57/mi
20K
1:38:57
12.43 mi
Rank: #16536 (+52)
15K → 20K
24:59 | 8:03/mi
HALF
1:44:26
13.11 mi
Rank: #16576 (-40)
20K → HALF
5:29 | 8:03/mi
25K
2:04:19
15.53 mi
Rank: #16572 (+4)
HALF → 25K
19:53 | 8:12/mi
30K
2:30:14
18.64 mi
Rank: #16442 (+130)
25K → 30K
25:55 | 8:21/mi
20M
2:41:49
20.00 mi
Rank: #16401 (+41)
30K → 20M
11:35 | 8:32/mi
21M
2:50:44
21.00 mi
Rank: #16323 (+78)
20M → 21M
8:55 | 8:55/mi
35K
2:56:55
21.75 mi
Rank: #16287 (+36)
21M → 35K
6:11 | 8:16/mi
23M
3:08:46
23.00 mi
Rank: #16597 (-310)
35K → 23M
11:51 | 9:29/mi
24M
3:18:46
24.00 mi
Rank: #17008 (-411)
23M → 24M
10:00 | 10:00/mi
40K
3:27:17
24.85 mi
Rank: #17250 (-242)
24M → 40K
8:31 | 9:58/mi
25.2M
3:31:00
25.20 mi
Rank: #17358 (-108)
40K → 25.2M
3:43 | 10:47/mi
FINISH
3:40:56
26.22 mi
Rank: #17685 (-327)
25.2M → FINISH
9:56 | 9:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:56:30
Pace8:54 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:2524:327:5424:32
7:54
-
10K
6.21 mi11:34:1149:187:5724:46
7:59
+0:05
15K
9.32 mi11:58:511:13:587:5724:40
7:57
-0:02
20K
12.43 mi12:23:501:38:577:5824:59
8:03
+0:06
HALF
13.11 mi12:29:191:44:267:585:29
8:03
0:00
25K
15.53 mi12:49:122:04:198:0119:53
8:12
+0:09
30K
18.64 mi13:15:072:30:148:0425:55
8:21
+0:09
20M
20.00 mi13:26:422:41:498:0611:35
8:32
+0:11
21M
21.00 mi13:35:372:50:448:088:55
8:55
+0:23
35K
21.75 mi13:41:482:56:558:096:11
8:16
-0:39
23M
23.00 mi13:53:393:08:468:1311:51
9:29
+1:13
24M
24.00 mi14:03:393:18:468:1710:00
10:00
+0:31
40K
24.85 mi14:12:103:27:178:218:31
9:58
-0:02
25.2M
25.20 mi14:15:533:31:008:233:43
10:47
+0:49
FINISH
26.22 mi14:25:493:40:568:269:56
9:45
-1:02

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

7:54 /mi

Average Pace

8:26 /mi

Slowest Pace

10:47 /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

0:00

0% of race

Time at Steady Pace

2:48:00

76% of race

Time at Slower Pace

52:56

24% of race

Average Pace: 8:26 /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 mi11:09:2524:327:5424:32
7:54
#16188
10K
6.21 mi11:34:1149:187:5724:46
7:59
#16604
15K
9.32 mi11:58:511:13:587:5724:40
7:57
#16588
20K
12.43 mi12:23:501:38:577:5824:59
8:03
#16536
HALF
13.11 mi12:29:191:44:267:585:29
8:03
#16576
25K
15.53 mi12:49:122:04:198:0119:53
8:12
#16572
30K
18.64 mi13:15:072:30:148:0425:55
8:21
#16442
20M
20.00 mi13:26:422:41:498:0611:35
8:32
#16401
21M
21.00 mi13:35:372:50:448:088:55
8:55
#16323
35K
21.75 mi13:41:482:56:558:096:11
8:16
#16287
23M
23.00 mi13:53:393:08:468:1311:51
9:29
#16597
24M
24.00 mi14:03:393:18:468:1710:00
10:00
#17008
40K
24.85 mi14:12:103:27:178:218:31
9:58
#17250
25.2M
25.20 mi14:15:533:31:008:233:43
10:47
#17358
FINISH
26.22 mi14:25:493:40:568:269:56
9:45
#17685
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 mi161885438543816545(Top 57%)5643(Top 45%)5643(Top 316%)
10K6.21 mi3.10 mi16604-4165702-2645702-26417034(Top 59%)5937(Top 47%)5937(Top 332%)
15K9.32 mi3.11 mi16588+165683+195683+1916545(Top 57%)5643(Top 45%)5643(Top 316%)
20K12.43 mi3.11 mi16536+525658+255658+2516443(Top 57%)5625(Top 45%)5625(Top 315%)
HALF13.11 mi0.68 mi16576-405680-225680-2217475(Top 60%)6196(Top 49%)6196(Top 347%)
25K15.53 mi2.42 mi16572+45690-105690-1016807(Top 58%)5885(Top 47%)5885(Top 330%)
30K18.64 mi3.11 mi16442+1305661+295661+2915915(Top 55%)5476(Top 44%)5476(Top 307%)
20M20.00 mi1.36 mi16401+415653+85653+816403(Top 57%)5872(Top 47%)5872(Top 329%)
21M21.00 mi1.00 mi16323+785625+285625+2815709(Top 54%)5535(Top 44%)5535(Top 310%)
35K21.75 mi0.75 mi16287+365622+35622+316261(Top 56%)5907(Top 47%)5907(Top 331%)
23M23.00 mi1.25 mi16597-3105808-1865808-18620503(Top 71%)8206(Top 65%)8206(Top 459%)
24M24.00 mi1.00 mi17008-4116067-2596067-25922800(Top 79%)9441(Top 75%)9441(Top 529%)
40K24.85 mi0.85 mi17250-2426225-1586225-15821816(Top 75%)9009(Top 72%)9009(Top 504%)
25.2M25.20 mi0.35 mi17358-1086298-736298-7321835(Top 75%)8983(Top 71%)8983(Top 503%)
FINISH26.22 mi1.02 mi17685-3276503-2056503-20523134(Top 80%)9671(Top 77%)9671(Top 541%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16545

Females

5643

F45-49

5643

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17034

Females

5937

F45-49

5937

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16545

Females

5643

F45-49

5643

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16443

Females

5625

F45-49

5625

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17475

Females

6196

F45-49

6196

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16807

Females

5885

F45-49

5885

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15915

Females

5476

F45-49

5476

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16403

Females

5872

F45-49

5872

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15709

Females

5535

F45-49

5535

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16261

Females

5907

F45-49

5907

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20503

Females

8206

F45-49

8206

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22800

Females

9441

F45-49

9441

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21816

Females

9009

F45-49

9009

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21835

Females

8983

F45-49

8983

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23134

Females

9671

F45-49

9671

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1354*
Passed By
1937
Net Change
-1497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16188
5K → 10K128200-416#16188#16604
10K → 15K208*192+16#16604#16588
15K → 20K201*149+52#16588#16536
20K → HALF1757-40#16536#16576
HALF → 25K143139+4#16576#16572
25K → 30K250*120+130#16572#16442
30K → 20M11372+41#16442#16401
20M → 21M13254+78#16401#16323
21M → 35K7539+36#16323#16287
35K → 23M32200-310#16287#16597
23M → 24M19200-411#16597#17008
24M → 40K19200-242#17008#17250
40K → 25.2M7115-108#17250#17358
25.2M → FINISH10200-327#17358#17685
TOTALS1354*1937-1497

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

📊

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

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OTQ

Olympic Trials Qualifying analysis available

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