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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sarai Robertson

Bib: 15733 •F •Age: N/A

AL

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 28%
Gender (Female)
#0 / 12578
Top 12%
Age Group (F18-39)
#0 / 5716
Top 22%
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
21:33
3.11 mi
Rank: #8062
Start → 5K
21:33 | 6:57/mi
10K
42:44
6.21 mi
Rank: #7657 (+405)
5K → 10K
21:11 | 6:50/mi
15K
1:03:40
9.32 mi
Rank: #7164 (+493)
10K → 15K
20:56 | 6:45/mi
20K
1:24:43
12.43 mi
Rank: #6799 (+365)
15K → 20K
21:03 | 6:47/mi
HALF
1:29:23
13.11 mi
Rank: #6849 (-50)
20K → HALF
4:40 | 6:51/mi
25K
1:46:28
15.53 mi
Rank: #7003 (-154)
HALF → 25K
17:05 | 7:03/mi
30K
2:09:17
18.64 mi
Rank: #7244 (-241)
25K → 30K
22:49 | 7:21/mi
20M
2:19:35
20.00 mi
Rank: #7365 (-121)
30K → 20M
10:18 | 7:35/mi
21M
2:27:49
21.00 mi
Rank: #7524 (-159)
20M → 21M
8:14 | 8:14/mi
35K
2:33:23
21.75 mi
Rank: #7570 (-46)
21M → 35K
5:34 | 7:27/mi
23M
2:43:10
23.00 mi
Rank: #7706 (-136)
35K → 23M
9:47 | 7:50/mi
24M
2:50:49
24.00 mi
Rank: #7837 (-131)
23M → 24M
7:39 | 7:39/mi
40K
2:57:39
24.85 mi
Rank: #7917 (-80)
24M → 40K
6:50 | 8:00/mi
25.2M
3:00:40
25.20 mi
Rank: #7993 (-76)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:08:51
26.22 mi
Rank: #8269 (-276)
25.2M → FINISH
8:11 | 8:02/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
Time1:29:23
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:39:28
Pace7:36 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5621:336:5721:33
6:57
-
10K
6.21 mi11:14:0742:446:5321:11
6:50
-0:07
15K
9.32 mi11:35:031:03:406:5020:56
6:45
-0:05
20K
12.43 mi11:56:061:24:436:5021:03
6:47
+0:02
HALF
13.11 mi12:00:461:29:236:504:40
6:51
+0:04
25K
15.53 mi12:17:511:46:286:5217:05
7:03
+0:12
30K
18.64 mi12:40:402:09:176:5722:49
7:21
+0:18
20M
20.00 mi12:50:582:19:356:5910:18
7:35
+0:14
21M
21.00 mi12:59:122:27:497:038:14
8:14
+0:39
35K
21.75 mi13:04:462:33:237:045:34
7:27
-0:47
23M
23.00 mi13:14:332:43:107:069:47
7:50
+0:23
24M
24.00 mi13:22:122:50:497:087:39
7:39
-0:11
40K
24.85 mi13:29:022:57:397:096:50
8:00
+0:21
25.2M
25.20 mi13:32:033:00:407:113:01
8:45
+0:45
FINISH
26.22 mi13:40:143:08:517:138:11
8:02
-0:43

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

6:45 /mi

Average Pace

7:12 /mi

Slowest Pace

8:45 /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

1:46:28

56% of race

Time at Steady Pace

46:20

25% of race

Time at Slower Pace

36:03

19% of race

Average Pace: 7:12 /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 mi10:52:5621:336:5721:33
6:57
#8062
10K
6.21 mi11:14:0742:446:5321:11
6:50
#7657
15K
9.32 mi11:35:031:03:406:5020:56
6:45
#7164
20K
12.43 mi11:56:061:24:436:5021:03
6:47
#6799
HALF
13.11 mi12:00:461:29:236:504:40
6:51
#6849
25K
15.53 mi12:17:511:46:286:5217:05
7:03
#7003
30K
18.64 mi12:40:402:09:176:5722:49
7:21
#7244
20M
20.00 mi12:50:582:19:356:5910:18
7:35
#7365
21M
21.00 mi12:59:122:27:497:038:14
8:14
#7524
35K
21.75 mi13:04:462:33:237:045:34
7:27
#7570
23M
23.00 mi13:14:332:43:107:069:47
7:50
#7706
24M
24.00 mi13:22:122:50:497:087:39
7:39
#7837
40K
24.85 mi13:29:022:57:397:096:50
8:00
#7917
25.2M
25.20 mi13:32:033:00:407:113:01
8:45
#7993
FINISH
26.22 mi13:40:143:08:517:138:11
8:02
#8269
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 mi8062110411046220(Top 21%)614(Top 5%)614(Top 11%)
10K6.21 mi3.10 mi7657+405980+124980+1247188(Top 25%)848(Top 7%)848(Top 15%)
15K9.32 mi3.11 mi7164+493832+148832+1486220(Top 21%)614(Top 5%)614(Top 11%)
20K12.43 mi3.11 mi6799+365738+94738+945973(Top 21%)583(Top 5%)583(Top 10%)
HALF13.11 mi0.68 mi6849-50755-17755-177600(Top 26%)1003(Top 8%)1003(Top 18%)
25K15.53 mi2.42 mi7003-154803-48803-487741(Top 27%)1123(Top 9%)1123(Top 20%)
30K18.64 mi3.11 mi7244-241888-85888-858459(Top 29%)1574(Top 13%)1574(Top 28%)
20M20.00 mi1.36 mi7365-121942-54942-549719(Top 33%)2244(Top 18%)2244(Top 39%)
21M21.00 mi1.00 mi7524-1591014-721014-7211411(Top 39%)3191(Top 25%)3191(Top 56%)
35K21.75 mi0.75 mi7570-461037-231037-2310407(Top 36%)2669(Top 21%)2669(Top 47%)
23M23.00 mi1.25 mi7706-1361125-881125-8811156(Top 38%)3185(Top 25%)3185(Top 56%)
24M24.00 mi1.00 mi7837-1311205-801205-8011205(Top 39%)3269(Top 26%)3269(Top 57%)
40K24.85 mi0.85 mi7917-801260-551260-5512439(Top 43%)4008(Top 32%)4008(Top 70%)
25.2M25.20 mi0.35 mi7993-761306-461306-4613213(Top 46%)4445(Top 35%)4445(Top 78%)
FINISH26.22 mi1.02 mi8269-2761448-1421448-14215379(Top 53%)5615(Top 45%)5615(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

6220

Females

614

F18-39

614

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7188

Females

848

F18-39

848

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

6220

Females

614

F18-39

614

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

5973

Females

583

F18-39

583

20K→HALF

12.4 - 13.1 mi

Top 26%
×2
+19ft-37ft

Overall

7600

Females

1003

F18-39

1003

HALF→25K

13.1 - 15.5 mi

Top 27%
×4
+66ft-88ft

Overall

7741

Females

1123

F18-39

1123

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8459

Females

1574

F18-39

1574

30K→20M

18.6 - 20.0 mi

Top 33%
×5
+64ft-50ft

Overall

9719

Females

2244

F18-39

2244

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11411

Females

3191

F18-39

3191

21M→35K

21.0 - 21.8 mi

Top 36%
×7
+17ft-86ft

Overall

10407

Females

2669

F18-39

2669

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11156

Females

3185

F18-39

3185

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11205

Females

3269

F18-39

3269

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12439

Females

4008

F18-39

4008

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13213

Females

4445

F18-39

4445

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15379

Females

5615

F18-39

5615

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1778*
Passed By
1748
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8062
5K → 10K467*62+405#8062#7657
10K → 15K503*10+493#7657#7164
15K → 20K383*18+365#7164#6799
20K → HALF1363-50#6799#6849
HALF → 25K69200-154#6849#7003
25K → 30K80200-241#7003#7244
30K → 20M30151-121#7244#7365
20M → 21M29188-159#7365#7524
21M → 35K3783-46#7524#7570
35K → 23M57193-136#7570#7706
23M → 24M31162-131#7706#7837
24M → 40K51131-80#7837#7917
40K → 25.2M1187-76#7917#7993
25.2M → FINISH17200-276#7993#8269
TOTALS1778*1748-207

* 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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