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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katherine Nielson

Bib: 8189 •F •Age: N/A

TX

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Female)
#0 / 12578
Top 33%
Masters (Masters Women)
#0 / 6862
Top 17%
Age Group (F60-64)
#0 / 782
Top 2%
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
24:39
3.11 mi
Rank: #16440
Start → 5K
24:39 | 7:57/mi
10K
48:36
6.21 mi
Rank: #15689 (+751)
5K → 10K
23:57 | 7:43/mi
15K
1:12:00
9.32 mi
Rank: #14751 (+938)
10K → 15K
23:24 | 7:32/mi
20K
1:35:44
12.43 mi
Rank: #14331 (+420)
15K → 20K
23:44 | 7:39/mi
HALF
1:40:50
13.11 mi
Rank: #14256 (+75)
20K → HALF
5:06 | 7:29/mi
25K
1:59:52
15.53 mi
Rank: #14206 (+50)
HALF → 25K
19:02 | 7:51/mi
30K
2:24:59
18.64 mi
Rank: #14181 (+25)
25K → 30K
25:07 | 8:06/mi
20M
2:35:51
20.00 mi
Rank: #14034 (+147)
30K → 20M
10:52 | 8:01/mi
21M
2:44:11
21.00 mi
Rank: #13894 (+140)
20M → 21M
8:20 | 8:20/mi
35K
2:50:06
21.75 mi
Rank: #13875 (+19)
21M → 35K
5:55 | 7:55/mi
23M
2:59:55
23.00 mi
Rank: #13705 (+170)
35K → 23M
9:49 | 7:51/mi
24M
3:07:44
24.00 mi
Rank: #13643 (+62)
23M → 24M
7:49 | 7:49/mi
40K
3:14:31
24.85 mi
Rank: #13561 (+82)
24M → 40K
6:47 | 7:57/mi
25.2M
3:17:35
25.20 mi
Rank: #13567 (-6)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:25:27
26.22 mi
Rank: #13528 (+39)
25.2M → FINISH
7:52 | 7:44/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
Time1:40:50
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:44:37
Pace7:59 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4624:397:5724:39
7:57
-
10K
6.21 mi10:54:4348:367:5023:57
7:43
-0:14
15K
9.32 mi11:18:071:12:007:4423:24
7:32
-0:11
20K
12.43 mi11:41:511:35:447:4323:44
7:39
+0:07
HALF
13.11 mi11:46:571:40:507:425:06
7:29
-0:10
25K
15.53 mi12:05:591:59:527:4319:02
7:51
+0:22
30K
18.64 mi12:31:062:24:597:4725:07
8:06
+0:15
20M
20.00 mi12:41:582:35:517:4810:52
8:01
-0:05
21M
21.00 mi12:50:182:44:117:508:20
8:20
+0:19
35K
21.75 mi12:56:132:50:067:505:55
7:55
-0:25
23M
23.00 mi13:06:022:59:557:509:49
7:51
-0:04
24M
24.00 mi13:13:513:07:447:507:49
7:49
-0:02
40K
24.85 mi13:20:383:14:317:506:47
7:57
+0:08
25.2M
25.20 mi13:23:423:17:357:513:04
8:54
+0:57
FINISH
26.22 mi13:31:343:25:277:517:52
7:44
-1:10

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

7:29 /mi

Average Pace

7:50 /mi

Slowest Pace

8:54 /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

3:14:03

94% of race

Time at Steady Pace

8:20

4% of race

Time at Slower Pace

3:04

1% of race

Average Pace: 7:50 /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 mi10:30:4624:397:5724:39
7:57
#16440
10K
6.21 mi10:54:4348:367:5023:57
7:43
#15689
15K
9.32 mi11:18:071:12:007:4423:24
7:32
#14751
20K
12.43 mi11:41:511:35:447:4323:44
7:39
#14331
HALF
13.11 mi11:46:571:40:507:425:06
7:29
#14256
25K
15.53 mi12:05:591:59:527:4319:02
7:51
#14206
30K
18.64 mi12:31:062:24:597:4725:07
8:06
#14181
20M
20.00 mi12:41:582:35:517:4810:52
8:01
#14034
21M
21.00 mi12:50:182:44:117:508:20
8:20
#13894
35K
21.75 mi12:56:132:50:067:505:55
7:55
#13875
23M
23.00 mi13:06:022:59:557:509:49
7:51
#13705
24M
24.00 mi13:13:513:07:447:507:49
7:49
#13643
40K
24.85 mi13:20:383:14:317:506:47
7:57
#13561
25.2M
25.20 mi13:23:423:17:357:513:04
8:54
#13567
FINISH
26.22 mi13:31:343:25:277:517:52
7:44
#13528
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 mi164405581558113111(Top 45%)3647(Top 29%)3647(Top 466%)
10K6.21 mi3.10 mi15689+7515134+4475134+44714848(Top 51%)4601(Top 37%)4601(Top 588%)
15K9.32 mi3.11 mi14751+9384581+5534581+55313111(Top 45%)3647(Top 29%)3647(Top 466%)
20K12.43 mi3.11 mi14331+4204328+2534328+25313196(Top 45%)3775(Top 30%)3775(Top 483%)
HALF13.11 mi0.68 mi14256+754288+404288+4012955(Top 45%)3576(Top 28%)3576(Top 457%)
25K15.53 mi2.42 mi14206+504287+14287+114230(Top 49%)4427(Top 35%)4427(Top 566%)
30K18.64 mi3.11 mi14181+254316-294316-2914114(Top 49%)4460(Top 35%)4460(Top 570%)
20M20.00 mi1.36 mi14034+1474246+704246+7012868(Top 44%)3872(Top 31%)3872(Top 495%)
21M21.00 mi1.00 mi13894+1404193+534193+5312117(Top 42%)3596(Top 29%)3596(Top 460%)
35K21.75 mi0.75 mi13875+194208-154208-1513858(Top 48%)4555(Top 36%)4555(Top 582%)
23M23.00 mi1.25 mi13705+1704143+654143+6511371(Top 39%)3293(Top 26%)3293(Top 421%)
24M24.00 mi1.00 mi13643+624130+134130+1312466(Top 43%)3963(Top 32%)3963(Top 507%)
40K24.85 mi0.85 mi13561+824093+374093+3712078(Top 42%)3829(Top 30%)3829(Top 490%)
25.2M25.20 mi0.35 mi13567-64111-184111-1814112(Top 49%)4953(Top 39%)4953(Top 633%)
FINISH26.22 mi1.02 mi13528+394112-14112-113161(Top 45%)4473(Top 36%)4473(Top 572%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21
+97ft-345ft

Overall

13111

Females

3647

F60-64

3647

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14848

Females

4601

F60-64

4601

10K→15K

6.2 - 9.3 mi

Top 45%
×3
+67ft-78ft

Overall

13111

Females

3647

F60-64

3647

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13196

Females

3775

F60-64

3775

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

12955

Females

3576

F60-64

3576

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14230

Females

4427

F60-64

4427

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14114

Females

4460

F60-64

4460

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12868

Females

3872

F60-64

3872

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12117

Females

3596

F60-64

3596

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13858

Females

4555

F60-64

4555

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11371

Females

3293

F60-64

3293

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12466

Females

3963

F60-64

3963

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12078

Females

3829

F60-64

3829

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14112

Females

4953

F60-64

4953

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13161

Females

4473

F60-64

4473

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3572*
Passed By
660
Net Change
+2912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16440
5K → 10K823*72+751#16440#15689
10K → 15K955*17+938#15689#14751
15K → 20K437*17+420#14751#14331
20K → HALF783+75#14331#14256
HALF → 25K160110+50#14256#14206
25K → 30K202*177+25#14206#14181
30K → 20M16720+147#14181#14034
20M → 21M17131+140#14034#13894
21M → 35K6849+19#13894#13875
35K → 23M18414+170#13875#13705
23M → 24M10038+62#13705#13643
24M → 40K10927+82#13643#13561
40K → 25.2M2531-6#13561#13567
25.2M → FINISH9354+39#13567#13528
TOTALS3572*660+2912

* 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

Activity Data

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