All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Simiao Li

Bib: 11262 •F •Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 29%
Gender (Female)
#0 / 12578
Top 12%
Age Group (F18-39)
#0 / 5716
Top 22%
Race Day Weather
51°/41°F
overcast clouds
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

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
21:08
3.11 mi
Rank: #6923
Start → 5K
21:08 | 6:49/mi
10K
42:30
6.21 mi
Rank: #7281 (-358)
5K → 10K
21:22 | 6:53/mi
15K
1:03:59
9.32 mi
Rank: #7509 (-228)
10K → 15K
21:29 | 6:55/mi
20K
1:25:37
12.43 mi
Rank: #7516 (-7)
15K → 20K
21:38 | 6:58/mi
HALF
1:30:25
13.11 mi
Rank: #7582 (-66)
20K → HALF
4:48 | 7:03/mi
25K
1:47:39
15.53 mi
Rank: #7635 (-53)
HALF → 25K
17:14 | 7:07/mi
30K
2:10:12
18.64 mi
Rank: #7609 (+26)
25K → 30K
22:33 | 7:16/mi
20M
2:20:24
20.00 mi
Rank: #7652 (-43)
30K → 20M
10:12 | 7:31/mi
21M
2:28:33
21.00 mi
Rank: #7765 (-113)
20M → 21M
8:09 | 8:09/mi
35K
2:33:59
21.75 mi
Rank: #7781 (-16)
21M → 35K
5:26 | 7:16/mi
23M
2:43:38
23.00 mi
Rank: #7860 (-79)
35K → 23M
9:39 | 7:43/mi
24M
2:51:10
24.00 mi
Rank: #7932 (-72)
23M → 24M
7:32 | 7:32/mi
40K
2:58:01
24.85 mi
Rank: #8053 (-121)
24M → 40K
6:51 | 8:01/mi
25.2M
3:01:05
25.20 mi
Rank: #8145 (-92)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:09:17
26.22 mi
Rank: #8397 (-252)
25.2M → FINISH
8:12 | 8:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:25
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:38:52
Pace7:33 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2621:086:4921:08
6:49
-
10K
6.21 mi11:10:4842:306:5121:22
6:53
+0:04
15K
9.32 mi11:32:171:03:596:5221:29
6:55
+0:02
20K
12.43 mi11:53:551:25:376:5421:38
6:58
+0:03
HALF
13.11 mi11:58:431:30:256:544:48
7:03
+0:05
25K
15.53 mi12:15:571:47:396:5617:14
7:07
+0:04
30K
18.64 mi12:38:302:10:127:0022:33
7:16
+0:09
20M
20.00 mi12:48:422:20:247:0210:12
7:31
+0:15
21M
21.00 mi12:56:512:28:337:058:09
8:09
+0:38
35K
21.75 mi13:02:172:33:597:055:26
7:16
-0:53
23M
23.00 mi13:11:562:43:387:079:39
7:43
+0:27
24M
24.00 mi13:19:282:51:107:087:32
7:32
-0:11
40K
24.85 mi13:26:192:58:017:106:51
8:01
+0:29
25.2M
25.20 mi13:29:233:01:057:123:04
8:54
+0:53
FINISH
26.22 mi13:37:353:09:177:148:12
8:03
-0:51

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

6:49 /mi

Average Pace

7:13 /mi

Slowest Pace

8:54 /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

1:25:37

45% of race

Time at Steady Pace

1:07:45

36% of race

Time at Slower Pace

35:55

19% of race

Average Pace: 7:13 /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 mi10:49:2621:086:4921:08
6:49
#6923
10K
6.21 mi11:10:4842:306:5121:22
6:53
#7281
15K
9.32 mi11:32:171:03:596:5221:29
6:55
#7509
20K
12.43 mi11:53:551:25:376:5421:38
6:58
#7516
HALF
13.11 mi11:58:431:30:256:544:48
7:03
#7582
25K
15.53 mi12:15:571:47:396:5617:14
7:07
#7635
30K
18.64 mi12:38:302:10:127:0022:33
7:16
#7609
20M
20.00 mi12:48:422:20:247:0210:12
7:31
#7652
21M
21.00 mi12:56:512:28:337:058:09
8:09
#7765
35K
21.75 mi13:02:172:33:597:055:26
7:16
#7781
23M
23.00 mi13:11:562:43:387:079:39
7:43
#7860
24M
24.00 mi13:19:282:51:107:087:32
7:32
#7932
40K
24.85 mi13:26:192:58:017:106:51
8:01
#8053
25.2M
25.20 mi13:29:233:01:057:123:04
8:54
#8145
FINISH
26.22 mi13:37:353:09:177:148:12
8:03
#8397
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 mi69237487487942(Top 27%)1098(Top 9%)1098(Top 19%)
10K6.21 mi3.10 mi7281-358863-115863-1157759(Top 27%)1001(Top 8%)1001(Top 18%)
15K9.32 mi3.11 mi7509-228927-64927-647942(Top 27%)1098(Top 9%)1098(Top 19%)
20K12.43 mi3.11 mi7516-7949-22949-227603(Top 26%)1012(Top 8%)1012(Top 18%)
HALF13.11 mi0.68 mi7582-66960-11960-119050(Top 31%)1533(Top 12%)1533(Top 27%)
25K15.53 mi2.42 mi7635-53996-36996-368197(Top 28%)1316(Top 10%)1316(Top 23%)
30K18.64 mi3.11 mi7609+261015-191015-197793(Top 27%)1289(Top 10%)1289(Top 23%)
20M20.00 mi1.36 mi7652-431043-281043-289204(Top 32%)2001(Top 16%)2001(Top 35%)
21M21.00 mi1.00 mi7765-1131105-621105-6210897(Top 38%)2934(Top 23%)2934(Top 51%)
35K21.75 mi0.75 mi7781-161128-231128-239041(Top 31%)2026(Top 16%)2026(Top 35%)
23M23.00 mi1.25 mi7860-791190-621190-6210380(Top 36%)2785(Top 22%)2785(Top 49%)
24M24.00 mi1.00 mi7932-721236-461236-4610341(Top 36%)2824(Top 22%)2824(Top 49%)
40K24.85 mi0.85 mi8053-1211321-851321-8512571(Top 43%)4086(Top 32%)4086(Top 71%)
25.2M25.20 mi0.35 mi8145-921372-511372-5114068(Top 48%)4909(Top 39%)4909(Top 86%)
FINISH26.22 mi1.02 mi8397-2521506-1341506-13415474(Top 53%)5662(Top 45%)5662(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7942

Females

1098

F18-39

1098

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7759

Females

1001

F18-39

1001

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7942

Females

1098

F18-39

1098

15K→20K

9.3 - 12.4 mi

Top 26%
×5
+106ft-86ft

Overall

7603

Females

1012

F18-39

1012

20K→HALF

12.4 - 13.1 mi

Top 31%
×2
+19ft-37ft

Overall

9050

Females

1533

F18-39

1533

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8197

Females

1316

F18-39

1316

25K→30K

15.5 - 18.6 mi

Top 27%
×9
+181ft-148ft

Overall

7793

Females

1289

F18-39

1289

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9204

Females

2001

F18-39

2001

20M→21M

20.0 - 21.0 mi

Top 38%
×8
+106ft-24ft

Overall

10897

Females

2934

F18-39

2934

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

9041

Females

2026

F18-39

2026

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10380

Females

2785

F18-39

2785

23M→24M

23.0 - 24.0 mi

Top 36%
×6
+12ft-82ft

Overall

10341

Females

2824

F18-39

2824

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12571

Females

4086

F18-39

4086

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1
+13ft-16ft

Overall

14068

Females

4909

F18-39

4909

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15474

Females

5662

F18-39

5662

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
893
Passed By
1944
Net Change
-1474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6923
5K → 10K101200-358#6923#7281
10K → 15K67200-228#7281#7509
15K → 20K138145-7#7509#7516
20K → HALF1177-66#7516#7582
HALF → 25K99152-53#7582#7635
25K → 30K152126+26#7635#7609
30K → 20M57100-43#7609#7652
20M → 21M39152-113#7652#7765
21M → 35K4157-16#7765#7781
35K → 23M69148-79#7781#7860
23M → 24M42114-72#7860#7932
24M → 40K48169-121#7932#8053
40K → 25.2M12104-92#8053#8145
25.2M → FINISH17200-252#8145#8397
TOTALS8931944-1474
📊

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