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BOSTON MARATHON 2026

Ken Li

Bib: 31837•M

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
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
27:45
3.11 mi
Rank: #22315
Start → 5K
27:45 | 8:56/mi
10K
55:18
6.21 mi
Rank: #22284 (+31)
5K → 10K
27:33 | 8:53/mi
15K
1:23:01
9.32 mi
Rank: #22289 (-5)
10K → 15K
27:43 | 8:56/mi
20K
1:51:47
12.43 mi
Rank: #22466 (-177)
15K → 20K
28:46 | 9:16/mi
HALF
1:57:35
13.11 mi
Rank: #22365 (+101)
20K → HALF
5:48 | 8:31/mi
25K
2:22:03
15.53 mi
Rank: #22919 (-554)
HALF → 25K
24:28 | 10:06/mi
30K
2:55:08
18.64 mi
Rank: #23310 (-391)
25K → 30K
33:05 | 10:39/mi
20M
3:10:26
20.00 mi
Rank: #23505 (-195)
30K → 20M
15:18 | 11:16/mi
21M
3:22:28
21.00 mi
Rank: #23605 (-100)
20M → 21M
12:02 | 12:02/mi
35K
3:30:32
21.75 mi
Rank: #23644 (-39)
21M → 35K
8:04 | 10:47/mi
23M
3:45:19
23.00 mi
Rank: #23825 (-181)
35K → 23M
14:47 | 11:49/mi
24M
3:56:22
24.00 mi
Rank: #23896 (-71)
23M → 24M
11:03 | 11:03/mi
40K
4:07:10
24.85 mi
Rank: #24074 (-178)
24M → 40K
10:48 | 12:38/mi
25.2M
4:11:28
25.20 mi
Rank: #24095 (-21)
40K → 25.2M
4:18 | 12:29/mi
FINISH
4:22:23
26.22 mi
Rank: #24171 (-76)
25.2M → FINISH
10:55 | 10:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:35
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:24:48
Pace11:03 /mi
📊Positive Split: 23.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3627:458:5627:45
8:56
-
10K
6.21 mi12:23:0955:188:5427:33
8:53
-0:03
15K
9.32 mi12:50:521:23:018:5527:43
8:56
+0:03
20K
12.43 mi13:19:381:51:479:0028:46
9:16
+0:20
HALF
13.11 mi13:25:261:57:358:595:48
8:31
-0:45
25K
15.53 mi13:49:542:22:039:0924:28
10:06
+1:35
30K
18.64 mi14:22:592:55:089:2433:05
10:39
+0:33
20M
20.00 mi14:38:173:10:269:3215:18
11:16
+0:37
21M
21.00 mi14:50:193:22:289:3912:02
12:02
+0:46
35K
21.75 mi14:58:233:30:329:418:04
10:47
-1:15
23M
23.00 mi15:13:103:45:199:4814:47
11:49
+1:02
24M
24.00 mi15:24:133:56:229:5111:03
11:03
-0:46
40K
24.85 mi15:35:014:07:109:5710:48
12:38
+1:35
25.2M
25.20 mi15:39:194:11:289:594:18
12:29
-0:09
FINISH
26.22 mi15:50:144:22:2310:0110:55
10:43
-1:46

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

8:31 /mi

Average Pace

10:01 /mi

Slowest Pace

12:38 /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

1:57:35

45% of race

Time at Steady Pace

1:42:53

39% of race

Time at Slower Pace

41:55

16% of race

Average Pace: 10:00 /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 mi11:55:3627:458:5627:45
8:56
#22315
10K
6.21 mi12:23:0955:188:5427:33
8:53
#22284
15K
9.32 mi12:50:521:23:018:5527:43
8:56
#22289
20K
12.43 mi13:19:381:51:479:0028:46
9:16
#22466
HALF
13.11 mi13:25:261:57:358:595:48
8:31
#22365
25K
15.53 mi13:49:542:22:039:0924:28
10:06
#22919
30K
18.64 mi14:22:592:55:089:2433:05
10:39
#23310
20M
20.00 mi14:38:173:10:269:3215:18
11:16
#23505
21M
21.00 mi14:50:193:22:289:3912:02
12:02
#23605
35K
21.75 mi14:58:233:30:329:418:04
10:47
#23644
23M
23.00 mi15:13:103:45:199:4814:47
11:49
#23825
24M
24.00 mi15:24:133:56:229:5111:03
11:03
#23896
40K
24.85 mi15:35:014:07:109:5710:48
12:38
#24074
25.2M
25.20 mi15:39:194:11:289:594:18
12:29
#24095
FINISH
26.22 mi15:50:144:22:2310:0110:55
10:43
#24171
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22315133871338722323(Top 77%)13439(Top 82%)13439(Top 611%)
10K6.21 mi3.10 mi22284+3113388-113388-122248(Top 77%)13374(Top 82%)13374(Top 608%)
15K9.32 mi3.11 mi22289-513397-913397-922323(Top 77%)13439(Top 82%)13439(Top 611%)
20K12.43 mi3.11 mi22466-17713482-8513482-8522983(Top 79%)13726(Top 84%)13726(Top 624%)
HALF13.11 mi0.68 mi22365+10113433+4913433+4920294(Top 70%)12483(Top 76%)12483(Top 568%)
25K15.53 mi2.42 mi22919-55413695-26213695-26224500(Top 84%)14428(Top 88%)14428(Top 656%)
30K18.64 mi3.11 mi23310-39113843-14813843-14824590(Top 85%)14339(Top 88%)14339(Top 652%)
20M20.00 mi1.36 mi23505-19513934-9113934-9125368(Top 87%)14633(Top 90%)14633(Top 666%)
21M21.00 mi1.00 mi23605-10013978-4413978-4425120(Top 87%)14464(Top 89%)14464(Top 658%)
35K21.75 mi0.75 mi23644-3913996-1813996-1824840(Top 86%)14310(Top 88%)14310(Top 651%)
23M23.00 mi1.25 mi23825-18114069-7314069-7325878(Top 89%)14775(Top 90%)14775(Top 672%)
24M24.00 mi1.00 mi23896-7114084-1514084-1525193(Top 87%)14408(Top 88%)14408(Top 656%)
40K24.85 mi0.85 mi24074-17814146-6214146-6226662(Top 92%)15081(Top 92%)15081(Top 686%)
25.2M25.20 mi0.35 mi24095-2114153-714153-725265(Top 87%)14419(Top 88%)14419(Top 656%)
FINISH26.22 mi1.02 mi24171-7614172-1914172-1925526(Top 88%)14530(Top 89%)14530(Top 661%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22323

Males

13439

M40-44

13439

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22248

Males

13374

M40-44

13374

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22323

Males

13439

M40-44

13439

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22983

Males

13726

M40-44

13726

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20294

Males

12483

M40-44

12483

HALF→25K

13.1 - 15.5 mi

Top 84%
×4
+66ft-88ft

Overall

24500

Males

14428

M40-44

14428

25K→30K

15.5 - 18.6 mi

Top 85%
×9
+181ft-148ft

Overall

24590

Males

14339

M40-44

14339

30K→20M

18.6 - 20.0 mi

Top 87%
×5
+64ft-50ft

Overall

25368

Males

14633

M40-44

14633

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25120

Males

14464

M40-44

14464

21M→35K

21.0 - 21.8 mi

Top 86%
×7
+17ft-86ft

Overall

24840

Males

14310

M40-44

14310

35K→23M

21.8 - 23.0 mi

Top 89%
×5
+23ft-63ft

Overall

25878

Males

14775

M40-44

14775

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25193

Males

14408

M40-44

14408

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26662

Males

15081

M40-44

15081

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1
+13ft-16ft

Overall

25265

Males

14419

M40-44

14419

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25526

Males

14530

M40-44

14530

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
893*
Passed By
1991
Net Change
-1856
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22315
5K → 10K231*200+31#22315#22284
10K → 15K171176-5#22284#22289
15K → 20K111200-177#22289#22466
20K → HALF1032+101#22466#22365
HALF → 25K28200-554#22365#22919
25K → 30K59200-391#22919#23310
30K → 20M35200-195#23310#23505
20M → 21M32132-100#23505#23605
21M → 35K3271-39#23605#23644
35K → 23M27200-181#23644#23825
23M → 24M2293-71#23825#23896
24M → 40K13191-178#23896#24074
40K → 25.2M930-21#24074#24095
25.2M → FINISH2096-76#24095#24171
TOTALS893*1991-1856

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing