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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Stephanie Nielsen

Bib: 7422 •F •Age: N/A

CO

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 19%
Gender (Female)
#0 / 12578
Top 4%
Masters (Masters Women)
#0 / 6862
Top 0.9%
Age Group (F40-44)
#0 / 1737
Top 3%
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
21:29
3.11 mi
Rank: #7877
Start → 5K
21:29 | 6:55/mi
10K
42:37
6.21 mi
Rank: #7454 (+423)
5K → 10K
21:08 | 6:49/mi
15K
1:03:25
9.32 mi
Rank: #6891 (+563)
10K → 15K
20:48 | 6:42/mi
20K
1:24:55
12.43 mi
Rank: #6969 (-78)
15K → 20K
21:30 | 6:56/mi
HALF
1:29:23
13.11 mi
Rank: #6847 (+122)
20K → HALF
4:28 | 6:34/mi
25K
1:45:51
15.53 mi
Rank: #6616 (+231)
HALF → 25K
16:28 | 6:48/mi
30K
2:07:31
18.64 mi
Rank: #6440 (+176)
25K → 30K
21:40 | 6:59/mi
20M
2:17:01
20.00 mi
Rank: #6344 (+96)
30K → 20M
9:30 | 7:00/mi
21M
2:24:17
21.00 mi
Rank: #6239 (+105)
20M → 21M
7:16 | 7:16/mi
35K
2:29:10
21.75 mi
Rank: #6118 (+121)
21M → 35K
4:53 | 6:32/mi
23M
2:37:36
23.00 mi
Rank: #5925 (+193)
35K → 23M
8:26 | 6:45/mi
24M
2:44:13
24.00 mi
Rank: #5775 (+150)
23M → 24M
6:37 | 6:37/mi
40K
2:50:03
24.85 mi
Rank: #5676 (+99)
24M → 40K
5:50 | 6:50/mi
25.2M
2:52:39
25.20 mi
Rank: #5671 (+5)
40K → 25.2M
2:36 | 7:33/mi
FINISH
2:59:20
26.22 mi
Rank: #5617 (+54)
25.2M → FINISH
6:41 | 6:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:29:23
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:57
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:4321:296:5521:29
6:55
-
10K
6.21 mi10:49:5142:376:5221:08
6:49
-0:06
15K
9.32 mi11:10:391:03:256:4920:48
6:42
-0:07
20K
12.43 mi11:32:091:24:556:5021:30
6:56
+0:14
HALF
13.11 mi11:36:371:29:236:504:28
6:34
-0:22
25K
15.53 mi11:53:051:45:516:4916:28
6:48
+0:14
30K
18.64 mi12:14:452:07:316:5121:40
6:59
+0:11
20M
20.00 mi12:24:152:17:016:529:30
7:00
+0:01
21M
21.00 mi12:31:312:24:176:537:16
7:16
+0:16
35K
21.75 mi12:36:242:29:106:524:53
6:32
-0:44
23M
23.00 mi12:44:502:37:366:528:26
6:45
+0:13
24M
24.00 mi12:51:272:44:136:516:37
6:37
-0:08
40K
24.85 mi12:57:172:50:036:515:50
6:50
+0:13
25.2M
25.20 mi12:59:532:52:396:522:36
7:33
+0:43
FINISH
26.22 mi13:06:342:59:206:516:41
6:34
-0:59

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

6:32 /mi

Average Pace

6:51 /mi

Slowest Pace

7:33 /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

2:49:28

94% of race

Time at Steady Pace

9:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:28:4321:296:5521:29
6:55
#7877
10K
6.21 mi10:49:5142:376:5221:08
6:49
#7454
15K
9.32 mi11:10:391:03:256:4920:48
6:42
#6891
20K
12.43 mi11:32:091:24:556:5021:30
6:56
#6969
HALF
13.11 mi11:36:371:29:236:504:28
6:34
#6847
25K
15.53 mi11:53:051:45:516:4916:28
6:48
#6616
30K
18.64 mi12:14:452:07:316:5121:40
6:59
#6440
20M
20.00 mi12:24:152:17:016:529:30
7:00
#6344
21M
21.00 mi12:31:312:24:176:537:16
7:16
#6239
35K
21.75 mi12:36:242:29:106:524:53
6:32
#6118
23M
23.00 mi12:44:502:37:366:528:26
6:45
#5925
24M
24.00 mi12:51:272:44:136:516:37
6:37
#5775
40K
24.85 mi12:57:172:50:036:515:50
6:50
#5676
25.2M
25.20 mi12:59:532:52:396:522:36
7:33
#5671
FINISH
26.22 mi13:06:342:59:206:516:41
6:34
#5617
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi7877103210325814(Top 20%)510(Top 4%)510(Top 29%)
10K6.21 mi3.10 mi7454+423911+121911+1217024(Top 24%)796(Top 6%)796(Top 46%)
15K9.32 mi3.11 mi6891+563758+153758+1535814(Top 20%)510(Top 4%)510(Top 29%)
20K12.43 mi3.11 mi6969-78790-32790-327276(Top 25%)897(Top 7%)897(Top 52%)
HALF13.11 mi0.68 mi6847+122753+37753+374941(Top 17%)351(Top 3%)351(Top 20%)
25K15.53 mi2.42 mi6616+231701+52701+525718(Top 20%)555(Top 4%)555(Top 32%)
30K18.64 mi3.11 mi6440+176682+19682+195718(Top 20%)612(Top 5%)612(Top 35%)
20M20.00 mi1.36 mi6344+96679+3679+35533(Top 19%)619(Top 5%)619(Top 36%)
21M21.00 mi1.00 mi6239+105654+25654+255089(Top 18%)611(Top 5%)611(Top 35%)
35K21.75 mi0.75 mi6118+121634+20634+203803(Top 13%)323(Top 3%)323(Top 19%)
23M23.00 mi1.25 mi5925+193602+32602+323736(Top 13%)350(Top 3%)350(Top 20%)
24M24.00 mi1.00 mi5775+150576+26576+263903(Top 13%)402(Top 3%)402(Top 23%)
40K24.85 mi0.85 mi5676+99565+11565+114397(Top 15%)559(Top 4%)559(Top 32%)
25.2M25.20 mi0.35 mi5671+5566-1566-15551(Top 19%)895(Top 7%)895(Top 52%)
FINISH26.22 mi1.02 mi5617+54560+6560+64549(Top 16%)662(Top 5%)662(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5814

Females

510

F40-44

510

5K→10K

3.1 - 6.2 mi

Top 24%
×5
+79ft-138ft

Overall

7024

Females

796

F40-44

796

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5814

Females

510

F40-44

510

15K→20K

9.3 - 12.4 mi

Top 25%
×5
+106ft-86ft

Overall

7276

Females

897

F40-44

897

20K→HALF

12.4 - 13.1 mi

Top 17%
×2
+19ft-37ft

Overall

4941

Females

351

F40-44

351

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5718

Females

555

F40-44

555

25K→30K

15.5 - 18.6 mi

Top 20%
×9
+181ft-148ft

Overall

5718

Females

612

F40-44

612

30K→20M

18.6 - 20.0 mi

Top 19%
×5
+64ft-50ft

Overall

5533

Females

619

F40-44

619

20M→21M

20.0 - 21.0 mi

Top 18%
×8
+106ft-24ft

Overall

5089

Females

611

F40-44

611

21M→35K

21.0 - 21.8 mi

Top 13%
×7
+17ft-86ft

Overall

3803

Females

323

F40-44

323

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3736

Females

350

F40-44

350

23M→24M

23.0 - 24.0 mi

Top 13%
×6
+12ft-82ft

Overall

3903

Females

402

F40-44

402

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4397

Females

559

F40-44

559

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1
+13ft-16ft

Overall

5551

Females

895

F40-44

895

25.2M→FINISH

25.2 - 26.2 mi

Top 16%
×2
+22ft-21ft

Overall

4549

Females

662

F40-44

662

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2751*
Passed By
482
Net Change
+2260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7877
5K → 10K495*72+423#7877#7454
10K → 15K571*8+563#7454#6891
15K → 20K131200-78#6891#6969
20K → HALF1242+122#6969#6847
HALF → 25K249*18+231#6847#6616
25K → 30K241*65+176#6616#6440
30K → 20M12226+96#6440#6344
20M → 21M12823+105#6344#6239
21M → 35K1221+121#6239#6118
35K → 23M1963+193#6118#5925
23M → 24M1555+150#5925#5775
24M → 40K11011+99#5775#5676
40K → 25.2M2318+5#5676#5671
25.2M → FINISH8430+54#5671#5617
TOTALS2751*482+2260

* 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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