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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sierra Lancaster

Bib: 26505 •F •Age: N/A

GA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Sierra

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:50/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
28:16
3.11 mi
Rank: #23065
Start → 5K
28:16 | 9:06/mi
10K
56:16
6.21 mi
Rank: #22980 (+85)
5K → 10K
28:00 | 9:01/mi
15K
1:24:56
9.32 mi
Rank: #23197 (-217)
10K → 15K
28:40 | 9:14/mi
20K
1:53:10
12.43 mi
Rank: #22952 (+245)
15K → 20K
28:14 | 9:06/mi
HALF
1:59:11
13.11 mi
Rank: #22915 (+37)
20K → HALF
6:01 | 8:50/mi
25K
2:21:24
15.53 mi
Rank: #22722 (+193)
HALF → 25K
22:13 | 9:10/mi
30K
2:51:32
18.64 mi
Rank: #22637 (+85)
25K → 30K
30:08 | 9:42/mi
20M
3:05:07
20.00 mi
Rank: #22632 (+5)
30K → 20M
13:35 | 10:01/mi
21M
3:15:40
21.00 mi
Rank: #22582 (+50)
20M → 21M
10:33 | 10:33/mi
35K
3:23:07
21.75 mi
Rank: #22606 (-24)
21M → 35K
7:27 | 9:58/mi
23M
3:35:58
23.00 mi
Rank: #22619 (-13)
35K → 23M
12:51 | 10:17/mi
24M
3:45:59
24.00 mi
Rank: #22629 (-10)
23M → 24M
10:01 | 10:01/mi
40K
3:54:25
24.85 mi
Rank: #22579 (+50)
24M → 40K
8:26 | 9:52/mi
25.2M
3:57:58
25.20 mi
Rank: #22531 (+48)
40K → 25.2M
3:33 | 10:18/mi
FINISH
4:07:11
26.22 mi
Rank: #22466 (+65)
25.2M → FINISH
9:13 | 9:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:08:00
Pace9:46 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1728:169:0628:16
9:06
-
10K
6.21 mi10:46:1756:169:0428:00
9:01
-0:05
15K
9.32 mi11:14:571:24:569:0728:40
9:14
+0:13
20K
12.43 mi11:43:111:53:109:0728:14
9:06
-0:08
HALF
13.11 mi11:49:121:59:119:066:01
8:50
-0:16
25K
15.53 mi12:11:252:21:249:0722:13
9:10
+0:20
30K
18.64 mi12:41:332:51:329:1330:08
9:42
+0:32
20M
20.00 mi12:55:083:05:079:1613:35
10:01
+0:19
21M
21.00 mi13:05:413:15:409:2010:33
10:33
+0:32
35K
21.75 mi13:13:083:23:079:217:27
9:58
-0:35
23M
23.00 mi13:25:593:35:589:2412:51
10:17
+0:19
24M
24.00 mi13:36:003:45:599:2510:01
10:01
-0:16
40K
24.85 mi13:44:263:54:259:268:26
9:52
-0:09
25.2M
25.20 mi13:47:593:57:589:273:33
10:18
+0:26
FINISH
26.22 mi13:57:124:07:119:279:13
9:03
-1:15

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

8:50 /mi

Average Pace

9:26 /mi

Slowest Pace

10:33 /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

3:00:45

73% of race

Time at Steady Pace

55:53

23% of race

Time at Slower Pace

10:33

4% of race

Average Pace: 9:26 /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 mi10:18:1728:169:0628:16
9:06
#23065
10K
6.21 mi10:46:1756:169:0428:00
9:01
#22980
15K
9.32 mi11:14:571:24:569:0728:40
9:14
#23197
20K
12.43 mi11:43:111:53:109:0728:14
9:06
#22952
HALF
13.11 mi11:49:121:59:119:066:01
8:50
#22915
25K
15.53 mi12:11:252:21:249:0722:13
9:10
#22722
30K
18.64 mi12:41:332:51:329:1330:08
9:42
#22637
20M
20.00 mi12:55:083:05:079:1613:35
10:01
#22632
21M
21.00 mi13:05:413:15:409:2010:33
10:33
#22582
35K
21.75 mi13:13:083:23:079:217:27
9:58
#22606
23M
23.00 mi13:25:593:35:589:2412:51
10:17
#22619
24M
24.00 mi13:36:003:45:599:2510:01
10:01
#22629
40K
24.85 mi13:44:263:54:259:268:26
9:52
#22579
25.2M
25.20 mi13:47:593:57:589:273:33
10:18
#22531
FINISH
26.22 mi13:57:124:07:119:279:13
9:03
#22466
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 mi230659205920523595(Top 81%)9453(Top 75%)9453(Top 165%)
10K6.21 mi3.10 mi22980+859154+519154+5122897(Top 79%)9104(Top 72%)9104(Top 159%)
15K9.32 mi3.11 mi23197-2179250-969250-9623595(Top 81%)9453(Top 75%)9453(Top 165%)
20K12.43 mi3.11 mi22952+2459135+1159135+11522315(Top 77%)8819(Top 70%)8819(Top 154%)
HALF13.11 mi0.68 mi22915+379114+219114+2121985(Top 76%)8641(Top 69%)8641(Top 151%)
25K15.53 mi2.42 mi22722+1939026+889026+8821879(Top 75%)8620(Top 69%)8620(Top 151%)
30K18.64 mi3.11 mi22637+859016+109016+1022264(Top 77%)8901(Top 71%)8901(Top 156%)
20M20.00 mi1.36 mi22632+59029-139029-1322577(Top 78%)9148(Top 73%)9148(Top 160%)
21M21.00 mi1.00 mi22582+509017+129017+1222100(Top 76%)8940(Top 71%)8940(Top 156%)
35K21.75 mi0.75 mi22606-249043-269043-2623060(Top 79%)9476(Top 75%)9476(Top 166%)
23M23.00 mi1.25 mi22619-139068-259068-2522838(Top 79%)9435(Top 75%)9435(Top 165%)
24M24.00 mi1.00 mi22629-109090-229090-2222863(Top 79%)9478(Top 75%)9478(Top 166%)
40K24.85 mi0.85 mi22579+509082+89082+821558(Top 74%)8874(Top 71%)8874(Top 155%)
25.2M25.20 mi0.35 mi22531+489062+209062+2020472(Top 71%)8323(Top 66%)8323(Top 146%)
FINISH26.22 mi1.02 mi22466+659032+309032+3020743(Top 71%)8447(Top 67%)8447(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21
+97ft-345ft

Overall

23595

Females

9453

F18-39

9453

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22897

Females

9104

F18-39

9104

10K→15K

6.2 - 9.3 mi

Top 81%
×3
+67ft-78ft

Overall

23595

Females

9453

F18-39

9453

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22315

Females

8819

F18-39

8819

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

21985

Females

8641

F18-39

8641

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21879

Females

8620

F18-39

8620

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22264

Females

8901

F18-39

8901

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22577

Females

9148

F18-39

9148

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22100

Females

8940

F18-39

8940

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

23060

Females

9476

F18-39

9476

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22838

Females

9435

F18-39

9435

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22863

Females

9478

F18-39

9478

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21558

Females

8874

F18-39

8874

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20472

Females

8323

F18-39

8323

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20743

Females

8447

F18-39

8447

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1683*
Passed By
971
Net Change
+599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23065
5K → 10K285*200+85#23065#22980
10K → 15K96200-217#22980#23197
15K → 20K292*47+245#23197#22952
20K → HALF5114+37#22952#22915
HALF → 25K215*22+193#22915#22722
25K → 30K220*135+85#22722#22637
30K → 20M8277+5#22637#22632
20M → 21M9242+50#22632#22582
21M → 35K3458-24#22582#22606
35K → 23M6881-13#22606#22619
23M → 24M4757-10#22619#22629
24M → 40K7222+50#22629#22579
40K → 25.2M535+48#22579#22531
25.2M → FINISH7611+65#22531#22466
TOTALS1683*971+599

* 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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