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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xi Fei Li

Bib: 29607 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
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
31:56
3.11 mi
Rank: #26686
Start → 5K
31:56 | 10:17/mi
10K
1:03:19
6.21 mi
Rank: #26363 (+323)
5K → 10K
31:23 | 10:07/mi
15K
1:34:46
9.32 mi
Rank: #26214 (+149)
10K → 15K
31:27 | 10:08/mi
20K
2:06:45
12.43 mi
Rank: #26076 (+138)
15K → 20K
31:59 | 10:18/mi
HALF
2:13:41
13.11 mi
Rank: #26064 (+12)
20K → HALF
6:56 | 10:11/mi
25K
2:39:04
15.53 mi
Rank: #25949 (+115)
HALF → 25K
25:23 | 10:28/mi
30K
3:13:26
18.64 mi
Rank: #25856 (+93)
25K → 30K
34:22 | 11:04/mi
20M
3:29:07
20.00 mi
Rank: #25868 (-12)
30K → 20M
15:41 | 11:33/mi
21M
3:41:15
21.00 mi
Rank: #25832 (+36)
20M → 21M
12:08 | 12:08/mi
35K
3:51:31
21.75 mi
Rank: #26011 (-179)
21M → 35K
10:16 | 13:44/mi
23M
4:08:09
23.00 mi
Rank: #26172 (-161)
35K → 23M
16:38 | 13:18/mi
24M
4:19:10
24.00 mi
Rank: #26144 (+28)
23M → 24M
11:01 | 11:01/mi
40K
4:28:10
24.85 mi
Rank: #26040 (+104)
24M → 40K
9:00 | 10:32/mi
25.2M
4:32:12
25.20 mi
Rank: #26005 (+35)
40K → 25.2M
4:02 | 11:42/mi
FINISH
4:42:26
26.22 mi
Rank: #25945 (+60)
25.2M → FINISH
10:14 | 10:03/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
Time2:13:41
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:28:45
Pace11:21 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0531:5610:1731:56
10:17
-
10K
6.21 mi12:28:281:03:1910:1231:23
10:07
-0:10
15K
9.32 mi12:59:551:34:4610:1131:27
10:08
+0:01
20K
12.43 mi13:31:542:06:4510:1231:59
10:18
+0:10
HALF
13.11 mi13:38:502:13:4110:126:56
10:11
-0:07
25K
15.53 mi14:04:132:39:0410:1525:23
10:28
+0:17
30K
18.64 mi14:38:353:13:2610:2334:22
11:04
+0:36
20M
20.00 mi14:54:163:29:0710:2815:41
11:33
+0:29
21M
21.00 mi15:06:243:41:1510:3312:08
12:08
+0:35
35K
21.75 mi15:16:403:51:3110:3910:16
13:44
+1:36
23M
23.00 mi15:33:184:08:0910:4816:38
13:18
-0:26
24M
24.00 mi15:44:194:19:1010:4811:01
11:01
-2:17
40K
24.85 mi15:53:194:28:1010:489:00
10:32
-0:29
25.2M
25.20 mi15:57:214:32:1210:494:02
11:42
+1:10
FINISH
26.22 mi16:07:354:42:2610:4710:14
10:03
-1:39

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

10:03 /mi

Average Pace

10:47 /mi

Slowest Pace

13:44 /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

0:00

0% of race

Time at Steady Pace

3:43:41

79% of race

Time at Slower Pace

58:45

21% of race

Average Pace: 10:46 /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 mi11:57:0531:5610:1731:56
10:17
#26686
10K
6.21 mi12:28:281:03:1910:1231:23
10:07
#26363
15K
9.32 mi12:59:551:34:4610:1131:27
10:08
#26214
20K
12.43 mi13:31:542:06:4510:1231:59
10:18
#26076
HALF
13.11 mi13:38:502:13:4110:126:56
10:11
#26064
25K
15.53 mi14:04:132:39:0410:1525:23
10:28
#25949
30K
18.64 mi14:38:353:13:2610:2334:22
11:04
#25856
20M
20.00 mi14:54:163:29:0710:2815:41
11:33
#25868
21M
21.00 mi15:06:243:41:1510:3312:08
12:08
#25832
35K
21.75 mi15:16:403:51:3110:3910:16
13:44
#26011
23M
23.00 mi15:33:184:08:0910:4816:38
13:18
#26172
24M
24.00 mi15:44:194:19:1010:4811:01
11:01
#26144
40K
24.85 mi15:53:194:28:1010:489:00
10:32
#26040
25.2M
25.20 mi15:57:214:32:1210:494:02
11:42
#26005
FINISH
26.22 mi16:07:354:42:2610:4710:14
10:03
#25945
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26686110861108625976(Top 90%)10715(Top 85%)10715(Top 617%)
10K6.21 mi3.10 mi26363+32310908+17810908+17826093(Top 90%)10773(Top 86%)10773(Top 620%)
15K9.32 mi3.11 mi26214+14910840+6810840+6825976(Top 90%)10715(Top 85%)10715(Top 617%)
20K12.43 mi3.11 mi26076+13810768+7210768+7225699(Top 89%)10589(Top 84%)10589(Top 610%)
HALF13.11 mi0.68 mi26064+1210761+710761+726032(Top 90%)10779(Top 86%)10779(Top 621%)
25K15.53 mi2.42 mi25949+11510712+4910712+4925389(Top 87%)10458(Top 83%)10458(Top 602%)
30K18.64 mi3.11 mi25856+9310678+3410678+3425453(Top 88%)10604(Top 84%)10604(Top 610%)
20M20.00 mi1.36 mi25868-1210704-2610704-2625789(Top 89%)10871(Top 86%)10871(Top 626%)
21M21.00 mi1.00 mi25832+3610708-410708-425275(Top 87%)10643(Top 85%)10643(Top 613%)
35K21.75 mi0.75 mi26011-17910818-11010818-11028203(Top 97%)12197(Top 97%)12197(Top 702%)
23M23.00 mi1.25 mi26172-16110915-9710915-9727628(Top 95%)11876(Top 94%)11876(Top 684%)
24M24.00 mi1.00 mi26144+2810911+410911+425150(Top 87%)10675(Top 85%)10675(Top 615%)
40K24.85 mi0.85 mi26040+10410869+4210869+4223295(Top 80%)9779(Top 78%)9779(Top 563%)
25.2M25.20 mi0.35 mi26005+3510851+1810851+1823930(Top 82%)10113(Top 80%)10113(Top 582%)
FINISH26.22 mi1.02 mi25945+6010831+2010831+2023976(Top 83%)10110(Top 80%)10110(Top 582%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21
+97ft-345ft

Overall

25976

Females

10715

F40-44

10715

5K→10K

3.1 - 6.2 mi

Top 90%
×5
+79ft-138ft

Overall

26093

Females

10773

F40-44

10773

10K→15K

6.2 - 9.3 mi

Top 90%
×3
+67ft-78ft

Overall

25976

Females

10715

F40-44

10715

15K→20K

9.3 - 12.4 mi

Top 89%
×5
+106ft-86ft

Overall

25699

Females

10589

F40-44

10589

20K→HALF

12.4 - 13.1 mi

Top 90%
×2
+19ft-37ft

Overall

26032

Females

10779

F40-44

10779

HALF→25K

13.1 - 15.5 mi

Top 87%
×4
+66ft-88ft

Overall

25389

Females

10458

F40-44

10458

25K→30K

15.5 - 18.6 mi

Top 88%
×9
+181ft-148ft

Overall

25453

Females

10604

F40-44

10604

30K→20M

18.6 - 20.0 mi

Top 89%
×5
+64ft-50ft

Overall

25789

Females

10871

F40-44

10871

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25275

Females

10643

F40-44

10643

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28203

Females

12197

F40-44

12197

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27628

Females

11876

F40-44

11876

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25150

Females

10675

F40-44

10675

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23295

Females

9779

F40-44

9779

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1
+13ft-16ft

Overall

23930

Females

10113

F40-44

10113

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

23976

Females

10110

F40-44

10110

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1553*
Passed By
812
Net Change
+741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26686
5K → 10K396*73+323#26686#26363
10K → 15K214*65+149#26363#26214
15K → 20K18547+138#26214#26076
20K → HALF3018+12#26076#26064
HALF → 25K14328+115#26064#25949
25K → 30K17279+93#25949#25856
30K → 20M5264-12#25856#25868
20M → 21M7438+36#25868#25832
21M → 35K13192-179#25832#26011
35K → 23M12173-161#26011#26172
23M → 24M5123+28#26172#26144
24M → 40K1062+104#26144#26040
40K → 25.2M383+35#26040#26005
25.2M → FINISH677+60#26005#25945
TOTALS1553*812+741

* 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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Activity Data

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