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BOSTON MARATHON 2026

Rebecca Sikora

Bib: 19520•F

AZ

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 39%
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
24:17
3.11 mi
Rank: #15571
Start → 5K
24:17 | 7:49/mi
10K
48:32
6.21 mi
Rank: #15595 (-24)
5K → 10K
24:15 | 7:49/mi
15K
1:13:26
9.32 mi
Rank: #16084 (-489)
10K → 15K
24:54 | 8:01/mi
20K
1:38:34
12.43 mi
Rank: #16273 (-189)
15K → 20K
25:08 | 8:06/mi
HALF
1:43:51
13.11 mi
Rank: #16213 (+60)
20K → HALF
5:17 | 7:46/mi
25K
2:03:17
15.53 mi
Rank: #16073 (+140)
HALF → 25K
19:26 | 8:01/mi
30K
2:27:52
18.64 mi
Rank: #15452 (+621)
25K → 30K
24:35 | 7:55/mi
20M
2:38:39
20.00 mi
Rank: #15194 (+258)
30K → 20M
10:47 | 7:57/mi
21M
2:47:08
21.00 mi
Rank: #15024 (+170)
20M → 21M
8:29 | 8:29/mi
35K
2:52:58
21.75 mi
Rank: #14940 (+84)
21M → 35K
5:50 | 7:48/mi
23M
3:03:26
23.00 mi
Rank: #14939 (+1)
35K → 23M
10:28 | 8:22/mi
24M
3:11:47
24.00 mi
Rank: #14974 (-35)
23M → 24M
8:21 | 8:21/mi
40K
3:18:55
24.85 mi
Rank: #14956 (+18)
24M → 40K
7:08 | 8:21/mi
25.2M
3:22:02
25.20 mi
Rank: #14948 (+8)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:30:08
26.22 mi
Rank: #14962 (-14)
25.2M → FINISH
8:06 | 7:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:51
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:46:17
Pace8:07 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:0624:177:4924:17
7:49
-
10K
6.21 mi11:32:2148:327:4924:15
7:49
0:00
15K
9.32 mi11:57:151:13:267:5324:54
8:01
+0:12
20K
12.43 mi12:22:231:38:347:5625:08
8:06
+0:05
HALF
13.11 mi12:27:401:43:517:565:17
7:46
-0:20
25K
15.53 mi12:47:062:03:177:5719:26
8:01
+0:15
30K
18.64 mi13:11:412:27:527:5624:35
7:55
-0:06
20M
20.00 mi13:22:282:38:397:5610:47
7:57
+0:02
21M
21.00 mi13:30:572:47:087:588:29
8:29
+0:32
35K
21.75 mi13:36:472:52:587:585:50
7:48
-0:41
23M
23.00 mi13:47:153:03:267:5910:28
8:22
+0:34
24M
24.00 mi13:55:363:11:478:008:21
8:21
-0:01
40K
24.85 mi14:02:443:18:558:017:08
8:21
0:00
25.2M
25.20 mi14:05:513:22:028:023:07
9:03
+0:42
FINISH
26.22 mi14:13:573:30:088:028:06
7:57
-1:06

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

7:46 /mi

Average Pace

8:01 /mi

Slowest Pace

9:03 /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

3:27:01

99% of race

Time at Steady Pace

3:07

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:08:0624:177:4924:17
7:49
#15571
10K
6.21 mi11:32:2148:327:4924:15
7:49
#15595
15K
9.32 mi11:57:151:13:267:5324:54
8:01
#16084
20K
12.43 mi12:22:231:38:347:5625:08
8:06
#16273
HALF
13.11 mi12:27:401:43:517:565:17
7:46
#16213
25K
15.53 mi12:47:062:03:177:5719:26
8:01
#16073
30K
18.64 mi13:11:412:27:527:5624:35
7:55
#15452
20M
20.00 mi13:22:282:38:397:5610:47
7:57
#15194
21M
21.00 mi13:30:572:47:087:588:29
8:29
#15024
35K
21.75 mi13:36:472:52:587:585:50
7:48
#14940
23M
23.00 mi13:47:153:03:267:5910:28
8:22
#14939
24M
24.00 mi13:55:363:11:478:008:21
8:21
#14974
40K
24.85 mi14:02:443:18:558:017:08
8:21
#14956
25.2M
25.20 mi14:05:513:22:028:023:07
9:03
#14948
FINISH
26.22 mi14:13:573:30:088:028:06
7:57
#14962
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 mi155715044504417125(Top 59%)5976(Top 48%)5976(Top 105%)
10K6.21 mi3.10 mi15595-245081-375081-3715700(Top 54%)5135(Top 41%)5135(Top 90%)
15K9.32 mi3.11 mi16084-4895381-3005381-30017125(Top 59%)5976(Top 48%)5976(Top 105%)
20K12.43 mi3.11 mi16273-1895518-1375518-13716791(Top 58%)5813(Top 46%)5813(Top 102%)
HALF13.11 mi0.68 mi16213+605475+435475+4315234(Top 52%)4870(Top 39%)4870(Top 85%)
25K15.53 mi2.42 mi16073+1405409+665409+6615524(Top 53%)5147(Top 41%)5147(Top 90%)
30K18.64 mi3.11 mi15452+6215072+3375072+33712863(Top 44%)3782(Top 30%)3782(Top 66%)
20M20.00 mi1.36 mi15194+2584940+1324940+13212422(Top 43%)3636(Top 29%)3636(Top 64%)
21M21.00 mi1.00 mi15024+1704872+684872+6813049(Top 45%)4086(Top 32%)4086(Top 71%)
35K21.75 mi0.75 mi14940+844839+334839+3313102(Top 45%)4146(Top 33%)4146(Top 73%)
23M23.00 mi1.25 mi14939+14865-264865-2614883(Top 51%)5204(Top 41%)5204(Top 91%)
24M24.00 mi1.00 mi14974-354901-364901-3616030(Top 55%)5917(Top 47%)5917(Top 104%)
40K24.85 mi0.85 mi14956+184910-94910-914742(Top 51%)5293(Top 42%)5293(Top 93%)
25.2M25.20 mi0.35 mi14948+84913-34913-314989(Top 52%)5439(Top 43%)5439(Top 95%)
FINISH26.22 mi1.02 mi14962-144933-204933-2014860(Top 51%)5365(Top 43%)5365(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17125

Females

5976

F18-39

5976

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15700

Females

5135

F18-39

5135

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17125

Females

5976

F18-39

5976

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16791

Females

5813

F18-39

5813

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15234

Females

4870

F18-39

4870

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15524

Females

5147

F18-39

5147

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12863

Females

3782

F18-39

3782

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12422

Females

3636

F18-39

3636

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

13049

Females

4086

F18-39

4086

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13102

Females

4146

F18-39

4146

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14883

Females

5204

F18-39

5204

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

16030

Females

5917

F18-39

5917

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14742

Females

5293

F18-39

5293

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

14989

Females

5439

F18-39

5439

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14860

Females

5365

F18-39

5365

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2194*
Passed By
1087
Net Change
+609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15571
5K → 10K200200-24#15571#15595
10K → 15K76200-489#15595#16084
15K → 20K120200-189#16084#16273
20K → HALF7717+60#16273#16213
HALF → 25K221*81+140#16213#16073
25K → 30K628*7+621#16073#15452
30K → 20M264*6+258#15452#15194
20M → 21M18717+170#15194#15024
21M → 35K9612+84#15024#14940
35K → 23M10099+1#14940#14939
23M → 24M6196-35#14939#14974
24M → 40K7860+18#14974#14956
40K → 25.2M3325+8#14956#14948
25.2M → FINISH5367-14#14948#14962
TOTALS2194*1087+609

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing