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BOSTON MARATHON 2026

Aili Luo

Bib: 22556•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Masters (Masters Women)
#0 / 6862
Top 27%
Age Group (F50-54)
#0 / 1233
Top 21%
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
25:24
3.11 mi
Rank: #18081
Start → 5K
25:24 | 8:11/mi
10K
50:10
6.21 mi
Rank: #17610 (+471)
5K → 10K
24:46 | 7:59/mi
15K
1:14:47
9.32 mi
Rank: #17247 (+363)
10K → 15K
24:37 | 7:56/mi
20K
1:39:26
12.43 mi
Rank: #16809 (+438)
15K → 20K
24:39 | 7:57/mi
HALF
1:44:48
13.11 mi
Rank: #16767 (+42)
20K → HALF
5:22 | 7:53/mi
25K
2:04:29
15.53 mi
Rank: #16673 (+94)
HALF → 25K
19:41 | 8:07/mi
30K
2:30:28
18.64 mi
Rank: #16526 (+147)
25K → 30K
25:59 | 8:22/mi
20M
2:41:42
20.00 mi
Rank: #16365 (+161)
30K → 20M
11:14 | 8:17/mi
21M
2:50:30
21.00 mi
Rank: #16232 (+133)
20M → 21M
8:48 | 8:48/mi
35K
2:56:15
21.75 mi
Rank: #16073 (+159)
21M → 35K
5:45 | 7:42/mi
23M
3:06:26
23.00 mi
Rank: #15891 (+182)
35K → 23M
10:11 | 8:09/mi
24M
3:14:28
24.00 mi
Rank: #15806 (+85)
23M → 24M
8:02 | 8:02/mi
40K
3:21:33
24.85 mi
Rank: #15733 (+73)
24M → 40K
7:05 | 8:18/mi
25.2M
3:24:27
25.20 mi
Rank: #15664 (+69)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:32:24
26.22 mi
Rank: #15595 (+69)
25.2M → FINISH
7:57 | 7:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:47:36
Pace8:13 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0125:248:1125:24
8:11
-
10K
6.21 mi11:51:4750:108:0524:46
7:59
-0:12
15K
9.32 mi12:16:241:14:478:0224:37
7:56
-0:03
20K
12.43 mi12:41:031:39:268:0124:39
7:57
+0:01
HALF
13.11 mi12:46:251:44:488:005:22
7:53
-0:04
25K
15.53 mi13:06:062:04:298:0119:41
8:07
+0:14
30K
18.64 mi13:32:052:30:288:0525:59
8:22
+0:15
20M
20.00 mi13:43:192:41:428:0611:14
8:17
-0:05
21M
21.00 mi13:52:072:50:308:088:48
8:48
+0:31
35K
21.75 mi13:57:522:56:158:075:45
7:42
-1:06
23M
23.00 mi14:08:033:06:268:0710:11
8:09
+0:27
24M
24.00 mi14:16:053:14:288:078:02
8:02
-0:07
40K
24.85 mi14:23:103:21:338:077:05
8:18
+0:16
25.2M
25.20 mi14:26:043:24:278:072:54
8:25
+0:07
FINISH
26.22 mi14:34:013:32:248:077:57
7:49
-0:36

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

7:42 /mi

Average Pace

8:06 /mi

Slowest Pace

8:48 /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

3:23:36

96% of race

Time at Steady Pace

8:48

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:27:0125:248:1125:24
8:11
#18081
10K
6.21 mi11:51:4750:108:0524:46
7:59
#17610
15K
9.32 mi12:16:241:14:478:0224:37
7:56
#17247
20K
12.43 mi12:41:031:39:268:0124:39
7:57
#16809
HALF
13.11 mi12:46:251:44:488:005:22
7:53
#16767
25K
15.53 mi13:06:062:04:298:0119:41
8:07
#16673
30K
18.64 mi13:32:052:30:288:0525:59
8:22
#16526
20M
20.00 mi13:43:192:41:428:0611:14
8:17
#16365
21M
21.00 mi13:52:072:50:308:088:48
8:48
#16232
35K
21.75 mi13:57:522:56:158:075:45
7:42
#16073
23M
23.00 mi14:08:033:06:268:0710:11
8:09
#15891
24M
24.00 mi14:16:053:14:288:078:02
8:02
#15806
40K
24.85 mi14:23:103:21:338:077:05
8:18
#15733
25.2M
25.20 mi14:26:043:24:278:072:54
8:25
#15664
FINISH
26.22 mi14:34:013:32:248:077:57
7:49
#15595
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi180816553655316412(Top 57%)5566(Top 44%)5566(Top 451%)
10K6.21 mi3.10 mi17610+4716257+2966257+29617027(Top 59%)5930(Top 47%)5930(Top 481%)
15K9.32 mi3.11 mi17247+3636071+1866071+18616412(Top 57%)5566(Top 44%)5566(Top 451%)
20K12.43 mi3.11 mi16809+4385819+2525819+25215643(Top 54%)5174(Top 41%)5174(Top 420%)
HALF13.11 mi0.68 mi16767+425802+175802+1716186(Top 56%)5440(Top 43%)5440(Top 441%)
25K15.53 mi2.42 mi16673+945750+525750+5216261(Top 56%)5564(Top 44%)5564(Top 451%)
30K18.64 mi3.11 mi16526+1475710+405710+4016040(Top 55%)5537(Top 44%)5537(Top 449%)
20M20.00 mi1.36 mi16365+1615629+815629+8114762(Top 51%)4914(Top 39%)4914(Top 399%)
21M21.00 mi1.00 mi16232+1335581+485581+4815013(Top 52%)5150(Top 41%)5150(Top 418%)
35K21.75 mi0.75 mi16073+1595503+785503+7812304(Top 42%)3721(Top 30%)3721(Top 302%)
23M23.00 mi1.25 mi15891+1825421+825421+8213419(Top 46%)4408(Top 35%)4408(Top 358%)
24M24.00 mi1.00 mi15806+855383+385383+3814043(Top 48%)4831(Top 38%)4831(Top 392%)
40K24.85 mi0.85 mi15733+735361+225361+2214379(Top 50%)5097(Top 41%)5097(Top 413%)
25.2M25.20 mi0.35 mi15664+695329+325329+3211175(Top 39%)3466(Top 28%)3466(Top 281%)
FINISH26.22 mi1.02 mi15595+695311+185311+1813823(Top 48%)4834(Top 38%)4834(Top 392%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16412

Females

5566

F50-54

5566

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17027

Females

5930

F50-54

5930

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16412

Females

5566

F50-54

5566

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15643

Females

5174

F50-54

5174

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16186

Females

5440

F50-54

5440

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16261

Females

5564

F50-54

5564

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16040

Females

5537

F50-54

5537

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14762

Females

4914

F50-54

4914

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15013

Females

5150

F50-54

5150

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12304

Females

3721

F50-54

3721

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13419

Females

4408

F50-54

4408

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

14043

Females

4831

F50-54

4831

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14379

Females

5097

F50-54

5097

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11175

Females

3466

F50-54

3466

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13823

Females

4834

F50-54

4834

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3051
Passed By
565
Net Change
+2486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18081
5K → 10K586115+471#18081#17610
10K → 15K41754+363#17610#17247
15K → 20K46527+438#17247#16809
20K → HALF508+42#16809#16767
HALF → 25K18187+94#16767#16673
25K → 30K263116+147#16673#16526
30K → 20M18019+161#16526#16365
20M → 21M16330+133#16365#16232
21M → 35K1645+159#16232#16073
35K → 23M20220+182#16073#15891
23M → 24M10924+85#15891#15806
24M → 40K10633+73#15806#15733
40K → 25.2M712+69#15733#15664
25.2M → FINISH9425+69#15664#15595
TOTALS3051565+2486
📊

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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Export & Support

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Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing