All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Ailin Li

Bib: 18183•F

CA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
26:26
3.11 mi
Rank: #20143
Start → 5K
26:26 | 8:31/mi
10K
51:16
6.21 mi
Rank: #18721 (+1422)
5K → 10K
24:50 | 8:00/mi
15K
1:15:55
9.32 mi
Rank: #18043 (+678)
10K → 15K
24:39 | 7:57/mi
20K
1:44:36
12.43 mi
Rank: #19450 (-1407)
15K → 20K
28:41 | 9:14/mi
HALF
1:50:36
13.11 mi
Rank: #19578 (-128)
20K → HALF
6:00 | 8:49/mi
25K
2:12:37
15.53 mi
Rank: #19932 (-354)
HALF → 25K
22:01 | 9:05/mi
30K
2:43:13
18.64 mi
Rank: #20638 (-706)
25K → 30K
30:36 | 9:51/mi
20M
2:56:51
20.00 mi
Rank: #20839 (-201)
30K → 20M
13:38 | 10:03/mi
21M
3:07:27
21.00 mi
Rank: #20931 (-92)
20M → 21M
10:36 | 10:36/mi
35K
3:15:09
21.75 mi
Rank: #21114 (-183)
21M → 35K
7:42 | 10:18/mi
23M
3:28:02
23.00 mi
Rank: #21290 (-176)
35K → 23M
12:53 | 10:18/mi
24M
3:37:57
24.00 mi
Rank: #21378 (-88)
23M → 24M
9:55 | 9:55/mi
40K
3:45:59
24.85 mi
Rank: #21346 (+32)
24M → 40K
8:02 | 9:24/mi
25.2M
3:49:25
25.20 mi
Rank: #21317 (+29)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:58:16
26.22 mi
Rank: #21242 (+75)
25.2M → FINISH
8:51 | 8:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:36
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:07:40
Pace9:45 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:5926:268:3126:26
8:31
-
10K
6.21 mi11:33:4951:168:1624:50
8:00
-0:31
15K
9.32 mi11:58:281:15:558:0924:39
7:57
-0:03
20K
12.43 mi12:27:091:44:368:2628:41
9:14
+1:17
HALF
13.11 mi12:33:091:50:368:276:00
8:49
-0:25
25K
15.53 mi12:55:102:12:378:3322:01
9:05
+0:16
30K
18.64 mi13:25:462:43:138:4630:36
9:51
+0:46
20M
20.00 mi13:39:242:56:518:5113:38
10:03
+0:12
21M
21.00 mi13:50:003:07:278:5610:36
10:36
+0:33
35K
21.75 mi13:57:423:15:098:597:42
10:18
-0:18
23M
23.00 mi14:10:353:28:029:0312:53
10:18
0:00
24M
24.00 mi14:20:303:37:579:059:55
9:55
-0:23
40K
24.85 mi14:28:323:45:599:068:02
9:24
-0:31
25.2M
25.20 mi14:31:583:49:259:073:26
9:58
+0:34
FINISH
26.22 mi14:40:493:58:169:068:51
8:42
-1:16

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

7:57 /mi

Average Pace

9:06 /mi

Slowest Pace

10:36 /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

1:30:46

38% of race

Time at Steady Pace

58:44

25% of race

Time at Slower Pace

1:28:46

37% of race

Average Pace: 9:05 /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 mi11:08:5926:268:3126:26
8:31
#20143
10K
6.21 mi11:33:4951:168:1624:50
8:00
#18721
15K
9.32 mi11:58:281:15:558:0924:39
7:57
#18043
20K
12.43 mi12:27:091:44:368:2628:41
9:14
#19450
HALF
13.11 mi12:33:091:50:368:276:00
8:49
#19578
25K
15.53 mi12:55:102:12:378:3322:01
9:05
#19932
30K
18.64 mi13:25:462:43:138:4630:36
9:51
#20638
20M
20.00 mi13:39:242:56:518:5113:38
10:03
#20839
21M
21.00 mi13:50:003:07:278:5610:36
10:36
#20931
35K
21.75 mi13:57:423:15:098:597:42
10:18
#21114
23M
23.00 mi14:10:353:28:029:0312:53
10:18
#21290
24M
24.00 mi14:20:303:37:579:059:55
9:55
#21378
40K
24.85 mi14:28:323:45:599:068:02
9:24
#21346
25.2M
25.20 mi14:31:583:49:259:073:26
9:58
#21317
FINISH
26.22 mi14:40:493:58:169:068:51
8:42
#21242
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 mi201437713771316498(Top 57%)5622(Top 45%)5622(Top 98%)
10K6.21 mi3.10 mi18721+14226905+8086905+80817204(Top 59%)6031(Top 48%)6031(Top 106%)
15K9.32 mi3.11 mi18043+6786513+3926513+39216498(Top 57%)5622(Top 45%)5622(Top 98%)
20K12.43 mi3.11 mi19450-14077316-8037316-80322884(Top 79%)9110(Top 72%)9110(Top 159%)
HALF13.11 mi0.68 mi19578-1287383-677383-6721860(Top 75%)8561(Top 68%)8561(Top 150%)
25K15.53 mi2.42 mi19932-3547593-2107593-21021541(Top 74%)8445(Top 67%)8445(Top 148%)
30K18.64 mi3.11 mi20638-7068000-4078000-40722718(Top 78%)9130(Top 73%)9130(Top 160%)
20M20.00 mi1.36 mi20839-2018109-1098109-10922685(Top 78%)9202(Top 73%)9202(Top 161%)
21M21.00 mi1.00 mi20931-928162-538162-5322191(Top 76%)8985(Top 71%)8985(Top 157%)
35K21.75 mi0.75 mi21114-1838262-1008262-10023868(Top 82%)9914(Top 79%)9914(Top 173%)
23M23.00 mi1.25 mi21290-1768361-998361-9922899(Top 79%)9465(Top 75%)9465(Top 166%)
24M24.00 mi1.00 mi21378-888418-578418-5722579(Top 78%)9328(Top 74%)9328(Top 163%)
40K24.85 mi0.85 mi21346+328415+38415+320034(Top 69%)8087(Top 64%)8087(Top 141%)
25.2M25.20 mi0.35 mi21317+298407+88407+819315(Top 67%)7738(Top 62%)7738(Top 135%)
FINISH26.22 mi1.02 mi21242+758373+348373+3419112(Top 66%)7633(Top 61%)7633(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16498

Females

5622

F18-39

5622

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17204

Females

6031

F18-39

6031

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16498

Females

5622

F18-39

5622

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22884

Females

9110

F18-39

9110

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21860

Females

8561

F18-39

8561

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21541

Females

8445

F18-39

8445

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22718

Females

9130

F18-39

9130

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22685

Females

9202

F18-39

9202

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22191

Females

8985

F18-39

8985

21M→35K

21.0 - 21.8 mi

Top 82%
×7
+17ft-86ft

Overall

23868

Females

9914

F18-39

9914

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22899

Females

9465

F18-39

9465

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22579

Females

9328

F18-39

9328

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20034

Females

8087

F18-39

8087

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19315

Females

7738

F18-39

7738

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19112

Females

7633

F18-39

7633

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2621*
Passed By
1691
Net Change
-1099
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20143
5K → 10K1439*17+1422#20143#18721
10K → 15K696*18+678#18721#18043
15K → 20K14200-1407#18043#19450
20K → HALF7135-128#19450#19578
HALF → 25K42200-354#19578#19932
25K → 30K63200-706#19932#20638
30K → 20M32200-201#20638#20839
20M → 21M42134-92#20839#20931
21M → 35K20200-183#20931#21114
35K → 23M31200-176#21114#21290
23M → 24M34122-88#21290#21378
24M → 40K6533+32#21378#21346
40K → 25.2M378+29#21346#21317
25.2M → FINISH9924+75#21317#21242
TOTALS2621*1691-1099

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

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

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing