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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katja Kessler

Bib: 25166 •F •Age: N/A

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
Age Group (F60-64)
#0 / 782
Top 30%
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
26:56
3.11 mi
Rank: #21038
Start → 5K
26:56 | 8:41/mi
10K
53:29
6.21 mi
Rank: #20804 (+234)
5K → 10K
26:33 | 8:33/mi
15K
1:19:58
9.32 mi
Rank: #20617 (+187)
10K → 15K
26:29 | 8:32/mi
20K
1:47:36
12.43 mi
Rank: #20839 (-222)
15K → 20K
27:38 | 8:54/mi
HALF
1:53:35
13.11 mi
Rank: #20875 (-36)
20K → HALF
5:59 | 8:47/mi
25K
2:15:57
15.53 mi
Rank: #21093 (-218)
HALF → 25K
22:22 | 9:14/mi
30K
2:46:00
18.64 mi
Rank: #21337 (-244)
25K → 30K
30:03 | 9:41/mi
20M
2:59:09
20.00 mi
Rank: #21360 (-23)
30K → 20M
13:09 | 9:41/mi
21M
3:09:25
21.00 mi
Rank: #21370 (-10)
20M → 21M
10:16 | 10:16/mi
35K
3:17:56
21.75 mi
Rank: #21667 (-297)
21M → 35K
8:31 | 11:24/mi
23M
3:29:19
23.00 mi
Rank: #21526 (+141)
35K → 23M
11:23 | 9:06/mi
24M
3:38:36
24.00 mi
Rank: #21500 (+26)
23M → 24M
9:17 | 9:17/mi
40K
3:46:51
24.85 mi
Rank: #21499 (+1)
24M → 40K
8:15 | 9:39/mi
25.2M
3:50:19
25.20 mi
Rank: #21483 (+16)
40K → 25.2M
3:28 | 10:04/mi
FINISH
3:59:15
26.22 mi
Rank: #21438 (+45)
25.2M → FINISH
8:56 | 8:46/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:05:40
Pace9:36 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:4026:568:4126:56
8:41
-
10K
6.21 mi11:59:1353:298:3726:33
8:33
-0:08
15K
9.32 mi12:25:421:19:588:3526:29
8:32
-0:01
20K
12.43 mi12:53:201:47:368:4027:38
8:54
+0:22
HALF
13.11 mi12:59:191:53:358:405:59
8:47
-0:07
25K
15.53 mi13:21:412:15:578:4622:22
9:14
+0:27
30K
18.64 mi13:51:442:46:008:5530:03
9:41
+0:27
20M
20.00 mi14:04:532:59:098:5813:09
9:41
0:00
21M
21.00 mi14:15:093:09:259:0210:16
10:16
+0:35
35K
21.75 mi14:23:403:17:569:078:31
11:24
+1:08
23M
23.00 mi14:35:033:29:199:0711:23
9:06
-2:18
24M
24.00 mi14:44:203:38:369:079:17
9:17
+0:11
40K
24.85 mi14:52:353:46:519:088:15
9:39
+0:22
25.2M
25.20 mi14:56:033:50:199:093:28
10:04
+0:25
FINISH
26.22 mi15:04:593:59:159:088:56
8:46
-1:18

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

8:32 /mi

Average Pace

9:08 /mi

Slowest Pace

11:24 /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

1:34:53

40% of race

Time at Steady Pace

1:10:40

30% of race

Time at Slower Pace

1:13:42

31% of race

Average Pace: 9:07 /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 mi11:32:4026:568:4126:56
8:41
#21038
10K
6.21 mi11:59:1353:298:3726:33
8:33
#20804
15K
9.32 mi12:25:421:19:588:3526:29
8:32
#20617
20K
12.43 mi12:53:201:47:368:4027:38
8:54
#20839
HALF
13.11 mi12:59:191:53:358:405:59
8:47
#20875
25K
15.53 mi13:21:412:15:578:4622:22
9:14
#21093
30K
18.64 mi13:51:442:46:008:5530:03
9:41
#21337
20M
20.00 mi14:04:532:59:098:5813:09
9:41
#21360
21M
21.00 mi14:15:093:09:259:0210:16
10:16
#21370
35K
21.75 mi14:23:403:17:569:078:31
11:24
#21667
23M
23.00 mi14:35:033:29:199:0711:23
9:06
#21526
24M
24.00 mi14:44:203:38:369:079:17
9:17
#21500
40K
24.85 mi14:52:353:46:519:088:15
9:39
#21499
25.2M
25.20 mi14:56:033:50:199:093:28
10:04
#21483
FINISH
26.22 mi15:04:593:59:159:088:56
8:46
#21438
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi210388193819320308(Top 70%)7754(Top 62%)7754(Top 992%)
10K6.21 mi3.10 mi20804+2348050+1438050+14320603(Top 71%)7922(Top 63%)7922(Top 1013%)
15K9.32 mi3.11 mi20617+1877935+1157935+11520308(Top 70%)7754(Top 62%)7754(Top 992%)
20K12.43 mi3.11 mi20839-2228067-1328067-13221450(Top 74%)8382(Top 67%)8382(Top 1072%)
HALF13.11 mi0.68 mi20875-368095-288095-2821742(Top 75%)8505(Top 68%)8505(Top 1088%)
25K15.53 mi2.42 mi21093-2188212-1178212-11722129(Top 76%)8746(Top 70%)8746(Top 1118%)
30K18.64 mi3.11 mi21337-2448340-1288340-12822186(Top 76%)8856(Top 70%)8856(Top 1132%)
20M20.00 mi1.36 mi21360-238373-338373-3321672(Top 75%)8683(Top 69%)8683(Top 1110%)
21M21.00 mi1.00 mi21370-108389-168389-1621286(Top 73%)8521(Top 68%)8521(Top 1090%)
35K21.75 mi0.75 mi21667-2978553-1648553-16425885(Top 89%)10973(Top 87%)10973(Top 1403%)
23M23.00 mi1.25 mi21526+1418483+708483+7018987(Top 65%)7470(Top 59%)7470(Top 955%)
24M24.00 mi1.00 mi21500+268487-48487-420593(Top 71%)8340(Top 66%)8340(Top 1066%)
40K24.85 mi0.85 mi21499+18500-138500-1320909(Top 72%)8528(Top 68%)8528(Top 1091%)
25.2M25.20 mi0.35 mi21483+168494+68494+619649(Top 68%)7904(Top 63%)7904(Top 1011%)
FINISH26.22 mi1.02 mi21438+458474+208474+2019522(Top 67%)7834(Top 62%)7834(Top 1002%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20308

Females

7754

F60-64

7754

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20603

Females

7922

F60-64

7922

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20308

Females

7754

F60-64

7754

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21450

Females

8382

F60-64

8382

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21742

Females

8505

F60-64

8505

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22129

Females

8746

F60-64

8746

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22186

Females

8856

F60-64

8856

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21672

Females

8683

F60-64

8683

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21286

Females

8521

F60-64

8521

21M→35K

21.0 - 21.8 mi

Top 89%
×7
+17ft-86ft

Overall

25885

Females

10973

F60-64

10973

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18987

Females

7470

F60-64

7470

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20593

Females

8340

F60-64

8340

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20909

Females

8528

F60-64

8528

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19649

Females

7904

F60-64

7904

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19522

Females

7834

F60-64

7834

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1553*
Passed By
1500
Net Change
-400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21038
5K → 10K423*189+234#21038#20804
10K → 15K301*114+187#20804#20617
15K → 20K108200-222#20617#20839
20K → HALF2460-36#20839#20875
HALF → 25K57200-218#20875#21093
25K → 30K98200-244#21093#21337
30K → 20M89112-23#21337#21360
20M → 21M7080-10#21360#21370
21M → 35K9200-297#21370#21667
35K → 23M15110+141#21667#21526
23M → 24M6438+26#21526#21500
24M → 40K5453+1#21500#21499
40K → 25.2M3317+16#21499#21483
25.2M → FINISH7227+45#21483#21438
TOTALS1553*1500-400

* 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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