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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Isabelle Brezinka

Bib: 11398 •F •Age: N/A

MN

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 40%
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
24:47
3.11 mi
Rank: #16795
Start → 5K
24:47 | 7:59/mi
10K
49:28
6.21 mi
Rank: #16787 (+8)
5K → 10K
24:41 | 7:57/mi
15K
1:14:14
9.32 mi
Rank: #16789 (-2)
10K → 15K
24:46 | 7:59/mi
20K
1:39:13
12.43 mi
Rank: #16684 (+105)
15K → 20K
24:59 | 8:03/mi
HALF
1:44:39
13.11 mi
Rank: #16677 (+7)
20K → HALF
5:26 | 7:59/mi
25K
2:04:12
15.53 mi
Rank: #16505 (+172)
HALF → 25K
19:33 | 8:04/mi
30K
2:30:11
18.64 mi
Rank: #16416 (+89)
25K → 30K
25:59 | 8:22/mi
20M
2:41:52
20.00 mi
Rank: #16418 (-2)
30K → 20M
11:41 | 8:37/mi
21M
2:50:49
21.00 mi
Rank: #16358 (+60)
20M → 21M
8:57 | 8:57/mi
35K
2:56:25
21.75 mi
Rank: #16126 (+232)
21M → 35K
5:36 | 7:30/mi
23M
3:06:05
23.00 mi
Rank: #15789 (+337)
35K → 23M
9:40 | 7:44/mi
24M
3:13:52
24.00 mi
Rank: #15624 (+165)
23M → 24M
7:47 | 7:47/mi
40K
3:20:40
24.85 mi
Rank: #15502 (+122)
24M → 40K
6:48 | 7:58/mi
25.2M
3:23:35
25.20 mi
Rank: #15418 (+84)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:30:51
26.22 mi
Rank: #15164 (+254)
25.2M → FINISH
7:16 | 7:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:46:12
Pace8:07 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:0724:477:5924:47
7:59
-
10K
6.21 mi11:31:4849:287:5824:41
7:57
-0:02
15K
9.32 mi11:56:341:14:147:5824:46
7:59
+0:02
20K
12.43 mi12:21:331:39:138:0024:59
8:03
+0:04
HALF
13.11 mi12:26:591:44:397:595:26
7:59
-0:04
25K
15.53 mi12:46:322:04:128:0019:33
8:04
+0:05
30K
18.64 mi13:12:312:30:118:0425:59
8:22
+0:18
20M
20.00 mi13:24:122:41:528:0611:41
8:37
+0:15
21M
21.00 mi13:33:092:50:498:098:57
8:57
+0:20
35K
21.75 mi13:38:452:56:258:075:36
7:30
-1:27
23M
23.00 mi13:48:253:06:058:069:40
7:44
+0:14
24M
24.00 mi13:56:123:13:528:057:47
7:47
+0:03
40K
24.85 mi14:03:003:20:408:056:48
7:58
+0:11
25.2M
25.20 mi14:05:553:23:358:052:55
8:28
+0:30
FINISH
26.22 mi14:13:113:30:518:037:16
7:08
-1:20

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

7:08 /mi

Average Pace

8:03 /mi

Slowest Pace

8:57 /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

22:32

11% of race

Time at Steady Pace

2:18:47

66% of race

Time at Slower Pace

49:32

23% of race

Average Pace: 8:02 /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 mi11:07:0724:477:5924:47
7:59
#16795
10K
6.21 mi11:31:4849:287:5824:41
7:57
#16787
15K
9.32 mi11:56:341:14:147:5824:46
7:59
#16789
20K
12.43 mi12:21:331:39:138:0024:59
8:03
#16684
HALF
13.11 mi12:26:591:44:397:595:26
7:59
#16677
25K
15.53 mi12:46:322:04:128:0019:33
8:04
#16505
30K
18.64 mi13:12:312:30:118:0425:59
8:22
#16416
20M
20.00 mi13:24:122:41:528:0611:41
8:37
#16418
21M
21.00 mi13:33:092:50:498:098:57
8:57
#16358
35K
21.75 mi13:38:452:56:258:075:36
7:30
#16126
23M
23.00 mi13:48:253:06:058:069:40
7:44
#15789
24M
24.00 mi13:56:123:13:528:057:47
7:47
#15624
40K
24.85 mi14:03:003:20:408:056:48
7:58
#15502
25.2M
25.20 mi14:05:553:23:358:052:55
8:28
#15418
FINISH
26.22 mi14:13:113:30:518:037:16
7:08
#15164
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 mi167955797579716795(Top 58%)5783(Top 46%)5783(Top 101%)
10K6.21 mi3.10 mi16787+85809-125809-1216821(Top 58%)5807(Top 46%)5807(Top 102%)
15K9.32 mi3.11 mi16789-25797+125797+1216795(Top 58%)5783(Top 46%)5783(Top 101%)
20K12.43 mi3.11 mi16684+1055744+535744+5316429(Top 57%)5611(Top 45%)5611(Top 98%)
HALF13.11 mi0.68 mi16677+75746-25746-216917(Top 58%)5857(Top 47%)5857(Top 102%)
25K15.53 mi2.42 mi16505+1725647+995647+9915874(Top 55%)5345(Top 42%)5345(Top 94%)
30K18.64 mi3.11 mi16416+895644+35644+316038(Top 55%)5535(Top 44%)5535(Top 97%)
20M20.00 mi1.36 mi16418-25665-215665-2116800(Top 58%)6083(Top 48%)6083(Top 106%)
21M21.00 mi1.00 mi16358+605645+205645+2015873(Top 55%)5608(Top 45%)5608(Top 98%)
35K21.75 mi0.75 mi16126+2325539+1065539+10610824(Top 37%)2936(Top 23%)2936(Top 51%)
23M23.00 mi1.25 mi15789+3375352+1875352+18710500(Top 36%)2868(Top 23%)2868(Top 50%)
24M24.00 mi1.00 mi15624+1655271+815271+8112223(Top 42%)3844(Top 31%)3844(Top 67%)
40K24.85 mi0.85 mi15502+1225227+445227+4412242(Top 42%)3922(Top 31%)3922(Top 69%)
25.2M25.20 mi0.35 mi15418+845194+335194+3311470(Top 40%)3626(Top 29%)3626(Top 63%)
FINISH26.22 mi1.02 mi15164+2545046+1485046+1488631(Top 30%)2227(Top 18%)2227(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16795

Females

5783

F18-39

5783

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16821

Females

5807

F18-39

5807

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16795

Females

5783

F18-39

5783

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16429

Females

5611

F18-39

5611

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16917

Females

5857

F18-39

5857

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15874

Females

5345

F18-39

5345

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16038

Females

5535

F18-39

5535

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16800

Females

6083

F18-39

6083

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

15873

Females

5608

F18-39

5608

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10824

Females

2936

F18-39

2936

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10500

Females

2868

F18-39

2868

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12223

Females

3844

F18-39

3844

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12242

Females

3922

F18-39

3922

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1
+13ft-16ft

Overall

11470

Females

3626

F18-39

3626

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8631

Females

2227

F18-39

2227

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2553*
Passed By
921
Net Change
+1631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16795
5K → 10K208*200+8#16795#16787
10K → 15K199200-2#16787#16789
15K → 20K224*119+105#16789#16684
20K → HALF3124+7#16684#16677
HALF → 25K220*48+172#16677#16505
25K → 30K236*147+89#16505#16416
30K → 20M9294-2#16416#16418
20M → 21M12363+60#16418#16358
21M → 35K232*0+232#16358#16126
35K → 23M340*3+337#16126#15789
23M → 24M1683+165#15789#15624
24M → 40K13412+122#15624#15502
40K → 25.2M884+84#15502#15418
25.2M → FINISH258*4+254#15418#15164
TOTALS2553*921+1631

* 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

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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