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BOSTON MARATHON 2026

Yun Li

Bib: 21532•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 50%
Age Group (F50-54)
#0 / 1233
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
24:00
3.11 mi
Rank: #14807
Start → 5K
24:00 | 7:44/mi
10K
49:18
6.21 mi
Rank: #16606 (-1799)
5K → 10K
25:18 | 8:09/mi
15K
1:15:38
9.32 mi
Rank: #17856 (-1250)
10K → 15K
26:20 | 8:29/mi
20K
1:42:24
12.43 mi
Rank: #18420 (-564)
15K → 20K
26:46 | 8:37/mi
HALF
1:48:09
13.11 mi
Rank: #18486 (-66)
20K → HALF
5:45 | 8:27/mi
25K
2:09:39
15.53 mi
Rank: #18823 (-337)
HALF → 25K
21:30 | 8:52/mi
30K
2:37:54
18.64 mi
Rank: #19019 (-196)
25K → 30K
28:15 | 9:06/mi
20M
2:51:13
20.00 mi
Rank: #19336 (-317)
30K → 20M
13:19 | 9:49/mi
21M
3:00:55
21.00 mi
Rank: #19330 (+6)
20M → 21M
9:42 | 9:42/mi
35K
3:08:12
21.75 mi
Rank: #19526 (-196)
21M → 35K
7:17 | 9:45/mi
23M
3:19:18
23.00 mi
Rank: #19410 (+116)
35K → 23M
11:06 | 8:53/mi
24M
3:27:46
24.00 mi
Rank: #19280 (+130)
23M → 24M
8:28 | 8:28/mi
40K
3:35:16
24.85 mi
Rank: #19204 (+76)
24M → 40K
7:30 | 8:47/mi
25.2M
3:38:38
25.20 mi
Rank: #19195 (+9)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:47:32
26.22 mi
Rank: #19221 (-26)
25.2M → FINISH
8:54 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:09
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:59:23
Pace9:07 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1524:007:4424:00
7:44
-
10K
6.21 mi11:50:3349:187:5725:18
8:09
+0:25
15K
9.32 mi12:16:531:15:388:0726:20
8:29
+0:20
20K
12.43 mi12:43:391:42:248:1526:46
8:37
+0:08
HALF
13.11 mi12:49:241:48:098:165:45
8:27
-0:10
25K
15.53 mi13:10:542:09:398:2121:30
8:52
+0:25
30K
18.64 mi13:39:092:37:548:2928:15
9:06
+0:14
20M
20.00 mi13:52:282:51:138:3413:19
9:49
+0:43
21M
21.00 mi14:02:103:00:558:379:42
9:42
-0:07
35K
21.75 mi14:09:273:08:128:407:17
9:45
+0:03
23M
23.00 mi14:20:333:19:188:4011:06
8:53
-0:52
24M
24.00 mi14:29:013:27:468:408:28
8:28
-0:25
40K
24.85 mi14:36:313:35:168:407:30
8:47
+0:19
25.2M
25.20 mi14:39:533:38:388:413:22
9:46
+0:59
FINISH
26.22 mi14:48:473:47:328:428:54
8:45
-1:01

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

7:44 /mi

Average Pace

8:41 /mi

Slowest Pace

9:49 /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

1:03:31

28% of race

Time at Steady Pace

1:42:06

45% of race

Time at Slower Pace

1:01:55

27% of race

Average Pace: 8:41 /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 mi11:25:1524:007:4424:00
7:44
#14807
10K
6.21 mi11:50:3349:187:5725:18
8:09
#16606
15K
9.32 mi12:16:531:15:388:0726:20
8:29
#17856
20K
12.43 mi12:43:391:42:248:1526:46
8:37
#18420
HALF
13.11 mi12:49:241:48:098:165:45
8:27
#18486
25K
15.53 mi13:10:542:09:398:2121:30
8:52
#18823
30K
18.64 mi13:39:092:37:548:2928:15
9:06
#19019
20M
20.00 mi13:52:282:51:138:3413:19
9:49
#19336
21M
21.00 mi14:02:103:00:558:379:42
9:42
#19330
35K
21.75 mi14:09:273:08:128:407:17
9:45
#19526
23M
23.00 mi14:20:333:19:188:4011:06
8:53
#19410
24M
24.00 mi14:29:013:27:468:408:28
8:28
#19280
40K
24.85 mi14:36:313:35:168:407:30
8:47
#19204
25.2M
25.20 mi14:39:533:38:388:413:22
9:46
#19195
FINISH
26.22 mi14:48:473:47:328:428:54
8:45
#19221
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 mi148074563456320014(Top 69%)7594(Top 60%)7594(Top 616%)
10K6.21 mi3.10 mi16606-17995704-11415704-114118249(Top 63%)6611(Top 53%)6611(Top 536%)
15K9.32 mi3.11 mi17856-12506408-7046408-70420014(Top 69%)7594(Top 60%)7594(Top 616%)
20K12.43 mi3.11 mi18420-5646717-3096717-30919959(Top 69%)7597(Top 60%)7597(Top 616%)
HALF13.11 mi0.68 mi18486-666762-456762-4519907(Top 69%)7534(Top 60%)7534(Top 611%)
25K15.53 mi2.42 mi18823-3376968-2066968-20620545(Top 71%)7937(Top 63%)7937(Top 644%)
30K18.64 mi3.11 mi19019-1967119-1517119-15120034(Top 69%)7752(Top 62%)7752(Top 629%)
20M20.00 mi1.36 mi19336-3177309-1907309-19022031(Top 76%)8863(Top 70%)8863(Top 719%)
21M21.00 mi1.00 mi19330+67317-87317-819394(Top 67%)7528(Top 60%)7528(Top 611%)
35K21.75 mi0.75 mi19526-1967448-1317448-13122453(Top 77%)9175(Top 73%)9175(Top 744%)
23M23.00 mi1.25 mi19410+1167397+517397+5117867(Top 62%)6895(Top 55%)6895(Top 559%)
24M24.00 mi1.00 mi19280+1307345+527345+5216745(Top 58%)6327(Top 50%)6327(Top 513%)
40K24.85 mi0.85 mi19204+767328+177328+1717273(Top 60%)6672(Top 53%)6672(Top 541%)
25.2M25.20 mi0.35 mi19195+97323+57323+518528(Top 64%)7325(Top 58%)7325(Top 594%)
FINISH26.22 mi1.02 mi19221-267351-287351-2819349(Top 67%)7732(Top 61%)7732(Top 627%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20014

Females

7594

F50-54

7594

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18249

Females

6611

F50-54

6611

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20014

Females

7594

F50-54

7594

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

19959

Females

7597

F50-54

7597

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19907

Females

7534

F50-54

7534

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20545

Females

7937

F50-54

7937

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20034

Females

7752

F50-54

7752

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22031

Females

8863

F50-54

8863

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19394

Females

7528

F50-54

7528

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22453

Females

9175

F50-54

9175

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17867

Females

6895

F50-54

6895

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16745

Females

6327

F50-54

6327

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17273

Females

6672

F50-54

6672

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18528

Females

7325

F50-54

7325

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19349

Females

7732

F50-54

7732

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
896
Passed By
1720
Net Change
-4414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14807
5K → 10K23200-1799#14807#16606
10K → 15K14200-1250#16606#17856
15K → 20K45200-564#17856#18420
20K → HALF1278-66#18420#18486
HALF → 25K62200-337#18486#18823
25K → 30K132200-196#18823#19019
30K → 20M33200-317#19019#19336
20M → 21M8377+6#19336#19330
21M → 35K22200-196#19330#19526
35K → 23M15236+116#19526#19410
23M → 24M14010+130#19410#19280
24M → 40K9721+76#19280#19204
40K → 25.2M3021+9#19204#19195
25.2M → FINISH5177-26#19195#19221
TOTALS8961720-4414
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing