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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marianne Bialkowski

Bib: 25973 •F •Age: N/A

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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 (F65-69)
#0 / 273
Top 37%
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
29:35
3.11 mi
Rank: #24549
Start → 5K
29:35 | 9:32/mi
10K
59:35
6.21 mi
Rank: #24794 (-245)
5K → 10K
30:00 | 9:40/mi
15K
1:29:04
9.32 mi
Rank: #24657 (+137)
10K → 15K
29:29 | 9:30/mi
20K
1:59:07
12.43 mi
Rank: #24560 (+97)
15K → 20K
30:03 | 9:41/mi
HALF
2:05:31
13.11 mi
Rank: #24555 (+5)
20K → HALF
6:24 | 9:24/mi
25K
2:28:58
15.53 mi
Rank: #24367 (+188)
HALF → 25K
23:27 | 9:41/mi
30K
2:59:46
18.64 mi
Rank: #24044 (+323)
25K → 30K
30:48 | 9:55/mi
20M
3:13:22
20.00 mi
Rank: #23924 (+120)
30K → 20M
13:36 | 10:01/mi
21M
3:24:08
21.00 mi
Rank: #23823 (+101)
20M → 21M
10:46 | 10:46/mi
35K
3:31:24
21.75 mi
Rank: #23764 (+59)
21M → 35K
7:16 | 9:43/mi
23M
3:44:10
23.00 mi
Rank: #23684 (+80)
35K → 23M
12:46 | 10:13/mi
24M
3:54:13
24.00 mi
Rank: #23658 (+26)
23M → 24M
10:03 | 10:03/mi
40K
4:03:13
24.85 mi
Rank: #23614 (+44)
24M → 40K
9:00 | 10:32/mi
25.2M
4:07:18
25.20 mi
Rank: #23617 (-3)
40K → 25.2M
4:05 | 11:51/mi
FINISH
4:18:13
26.22 mi
Rank: #23722 (-105)
25.2M → FINISH
10:55 | 10:43/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
Time2:05:31
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:12:42
Pace10:08 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:4129:359:3229:35
9:32
-
10K
6.21 mi12:05:4159:359:3630:00
9:40
+0:08
15K
9.32 mi12:35:101:29:049:3429:29
9:30
-0:10
20K
12.43 mi13:05:131:59:079:3630:03
9:41
+0:11
HALF
13.11 mi13:11:372:05:319:356:24
9:24
-0:17
25K
15.53 mi13:35:042:28:589:3623:27
9:41
+0:17
30K
18.64 mi14:05:522:59:469:3930:48
9:55
+0:14
20M
20.00 mi14:19:283:13:229:4113:36
10:01
+0:06
21M
21.00 mi14:30:143:24:089:4410:46
10:46
+0:45
35K
21.75 mi14:37:303:31:249:447:16
9:43
-1:03
23M
23.00 mi14:50:163:44:109:4512:46
10:13
+0:30
24M
24.00 mi15:00:193:54:139:4610:03
10:03
-0:10
40K
24.85 mi15:09:194:03:139:489:00
10:32
+0:29
25.2M
25.20 mi15:13:244:07:189:494:05
11:51
+1:19
FINISH
26.22 mi15:24:194:18:139:5210:55
10:43
-1:08

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

9:24 /mi

Average Pace

9:51 /mi

Slowest Pace

11:51 /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

1:05:28

25% of race

Time at Steady Pace

2:37:59

61% of race

Time at Slower Pace

34:46

13% of race

Average Pace: 9:51 /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 mi11:35:4129:359:3229:35
9:32
#24549
10K
6.21 mi12:05:4159:359:3630:00
9:40
#24794
15K
9.32 mi12:35:101:29:049:3429:29
9:30
#24657
20K
12.43 mi13:05:131:59:079:3630:03
9:41
#24560
HALF
13.11 mi13:11:372:05:319:356:24
9:24
#24555
25K
15.53 mi13:35:042:28:589:3623:27
9:41
#24367
30K
18.64 mi14:05:522:59:469:3930:48
9:55
#24044
20M
20.00 mi14:19:283:13:229:4113:36
10:01
#23924
21M
21.00 mi14:30:143:24:089:4410:46
10:46
#23823
35K
21.75 mi14:37:303:31:249:447:16
9:43
#23764
23M
23.00 mi14:50:163:44:109:4512:46
10:13
#23684
24M
24.00 mi15:00:193:54:139:4610:03
10:03
#23658
40K
24.85 mi15:09:194:03:139:489:00
10:32
#23614
25.2M
25.20 mi15:13:244:07:189:494:05
11:51
#23617
FINISH
26.22 mi15:24:194:18:139:5210:55
10:43
#23722
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi245499955995524408(Top 84%)9869(Top 78%)9869(Top 3615%)
10K6.21 mi3.10 mi24794-24510072-11710072-11724989(Top 86%)10170(Top 81%)10170(Top 3725%)
15K9.32 mi3.11 mi24657+1379993+799993+7924408(Top 84%)9869(Top 78%)9869(Top 3615%)
20K12.43 mi3.11 mi24560+979946+479946+4724227(Top 83%)9791(Top 78%)9791(Top 3586%)
HALF13.11 mi0.68 mi24555+59943+39943+324084(Top 83%)9730(Top 77%)9730(Top 3564%)
25K15.53 mi2.42 mi24367+1889856+879856+8723490(Top 81%)9466(Top 75%)9466(Top 3467%)
30K18.64 mi3.11 mi24044+3239719+1379719+13722902(Top 79%)9237(Top 73%)9237(Top 3384%)
20M20.00 mi1.36 mi23924+1209667+529667+5222627(Top 78%)9174(Top 73%)9174(Top 3360%)
21M21.00 mi1.00 mi23823+1019634+339634+3322594(Top 78%)9199(Top 73%)9199(Top 3370%)
35K21.75 mi0.75 mi23764+599609+259609+2522410(Top 77%)9160(Top 73%)9160(Top 3355%)
23M23.00 mi1.25 mi23684+809599+109599+1022673(Top 78%)9349(Top 74%)9349(Top 3425%)
24M24.00 mi1.00 mi23658+269595+49595+422963(Top 79%)9535(Top 76%)9535(Top 3493%)
40K24.85 mi0.85 mi23614+449585+109585+1023284(Top 80%)9768(Top 78%)9768(Top 3578%)
25.2M25.20 mi0.35 mi23617-39590-59590-524177(Top 83%)10220(Top 81%)10220(Top 3744%)
FINISH26.22 mi1.02 mi23722-1059667-779667-7725543(Top 88%)10907(Top 87%)10907(Top 3995%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21
+97ft-345ft

Overall

24408

Females

9869

F65-69

9869

5K→10K

3.1 - 6.2 mi

Top 86%
×5
+79ft-138ft

Overall

24989

Females

10170

F65-69

10170

10K→15K

6.2 - 9.3 mi

Top 84%
×3
+67ft-78ft

Overall

24408

Females

9869

F65-69

9869

15K→20K

9.3 - 12.4 mi

Top 83%
×5
+106ft-86ft

Overall

24227

Females

9791

F65-69

9791

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24084

Females

9730

F65-69

9730

HALF→25K

13.1 - 15.5 mi

Top 81%
×4
+66ft-88ft

Overall

23490

Females

9466

F65-69

9466

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

22902

Females

9237

F65-69

9237

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22627

Females

9174

F65-69

9174

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22594

Females

9199

F65-69

9199

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22410

Females

9160

F65-69

9160

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22673

Females

9349

F65-69

9349

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22963

Females

9535

F65-69

9535

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23284

Females

9768

F65-69

9768

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

24177

Females

10220

F65-69

10220

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25543

Females

10907

F65-69

10907

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1693*
Passed By
690
Net Change
+827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24549
5K → 10K131200-245#24549#24794
10K → 15K19558+137#24794#24657
15K → 20K17780+97#24657#24560
20K → HALF2621+5#24560#24555
HALF → 25K210*22+188#24555#24367
25K → 30K344*21+323#24367#24044
30K → 20M13313+120#24044#23924
20M → 21M12625+101#23924#23823
21M → 35K7415+59#23823#23764
35K → 23M11434+80#23764#23684
23M → 24M5125+26#23684#23658
24M → 40K7329+44#23658#23614
40K → 25.2M1720-3#23614#23617
25.2M → FINISH22127-105#23617#23722
TOTALS1693*690+827

* 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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Activity Data

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