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BOSTON MARATHON 2026

Jonathan Lui

Bib: 7158•M

CA

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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
37:43
3.11 mi
Rank: #28846
Start → 5K
37:43 | 12:09/mi
10K
1:15:32
6.21 mi
Rank: #28800 (+46)
5K → 10K
37:49 | 12:11/mi
15K
1:56:22
9.32 mi
Rank: #28860 (-60)
10K → 15K
40:50 | 13:09/mi
20K
2:39:13
12.43 mi
Rank: #28877 (-17)
15K → 20K
42:51 | 13:48/mi
HALF
2:48:28
13.11 mi
Rank: #28886 (-9)
20K → HALF
9:15 | 13:35/mi
25K
3:21:59
15.53 mi
Rank: #28863 (+23)
HALF → 25K
33:31 | 13:50/mi
30K
4:07:23
18.64 mi
Rank: #28853 (+10)
25K → 30K
45:24 | 14:37/mi
20M
4:27:05
20.00 mi
Rank: #28842 (+11)
30K → 20M
19:42 | 14:31/mi
21M
4:42:39
21.00 mi
Rank: #28836 (+6)
20M → 21M
15:34 | 15:34/mi
35K
4:53:07
21.75 mi
Rank: #28828 (+8)
21M → 35K
10:28 | 14:00/mi
23M
5:10:34
23.00 mi
Rank: #28821 (+7)
35K → 23M
17:27 | 13:57/mi
24M
5:24:37
24.00 mi
Rank: #28819 (+2)
23M → 24M
14:03 | 14:03/mi
40K
5:36:45
24.85 mi
Rank: #28809 (+10)
24M → 40K
12:08 | 14:12/mi
25.2M
5:41:20
25.20 mi
Rank: #28787 (+22)
40K → 25.2M
4:35 | 13:18/mi
FINISH
5:53:23
26.22 mi
Rank: #28756 (+31)
25.2M → FINISH
12:03 | 11:50/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
Time2:48:28
Pace12:52 /mi
2nd Half
Distance13.11 mi
Time3:04:55
Pace14:07 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:2537:4312:0937:43
12:09
-
10K
6.21 mi11:22:141:15:3212:1037:49
12:11
+0:02
15K
9.32 mi12:03:041:56:2212:3040:50
13:09
+0:58
20K
12.43 mi12:45:552:39:1312:4942:51
13:48
+0:39
HALF
13.11 mi12:55:102:48:2812:529:15
13:35
-0:13
25K
15.53 mi13:28:413:21:5913:0133:31
13:50
+0:15
30K
18.64 mi14:14:054:07:2313:1745:24
14:37
+0:47
20M
20.00 mi14:33:474:27:0513:2219:42
14:31
-0:06
21M
21.00 mi14:49:214:42:3913:2815:34
15:34
+1:03
35K
21.75 mi14:59:494:53:0713:2910:28
14:00
-1:34
23M
23.00 mi15:17:165:10:3413:3117:27
13:57
-0:03
24M
24.00 mi15:31:195:24:3713:3214:03
14:03
+0:06
40K
24.85 mi15:43:275:36:4513:3312:08
14:12
+0:09
25.2M
25.20 mi15:48:025:41:2013:334:35
13:18
-0:54
FINISH
26.22 mi16:00:055:53:2313:3012:03
11:50
-1:28

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

11:50 /mi

Average Pace

13:29 /mi

Slowest Pace

15:34 /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

2:13:00

38% of race

Time at Steady Pace

2:19:43

40% of race

Time at Slower Pace

1:20:40

23% of race

Average Pace: 13:29 /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 mi10:44:2537:4312:0937:43
12:09
#28846
10K
6.21 mi11:22:141:15:3212:1037:49
12:11
#28800
15K
9.32 mi12:03:041:56:2212:3040:50
13:09
#28860
20K
12.43 mi12:45:552:39:1312:4942:51
13:48
#28877
HALF
13.11 mi12:55:102:48:2812:529:15
13:35
#28886
25K
15.53 mi13:28:413:21:5913:0133:31
13:50
#28863
30K
18.64 mi14:14:054:07:2313:1745:24
14:37
#28853
20M
20.00 mi14:33:474:27:0513:2219:42
14:31
#28842
21M
21.00 mi14:49:214:42:3913:2815:34
15:34
#28836
35K
21.75 mi14:59:494:53:0713:2910:28
14:00
#28828
23M
23.00 mi15:17:165:10:3413:3117:27
13:57
#28821
24M
24.00 mi15:31:195:24:3713:3214:03
14:03
#28819
40K
24.85 mi15:43:275:36:4513:3312:08
14:12
#28809
25.2M
25.20 mi15:48:025:41:2013:334:35
13:18
#28787
FINISH
26.22 mi16:00:055:53:2313:3012:03
11:50
#28756
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 mi28846162871628728870(Top 99%)16290(Top 100%)16290(Top 741%)
10K6.21 mi3.10 mi28800+4616268+1916268+1928689(Top 99%)16236(Top 99%)16236(Top 739%)
15K9.32 mi3.11 mi28860-6016293-2516293-2528870(Top 99%)16290(Top 100%)16290(Top 741%)
20K12.43 mi3.11 mi28877-1716291+216291+228863(Top 99%)16277(Top 100%)16277(Top 741%)
HALF13.11 mi0.68 mi28886-916295-416295-428850(Top 99%)16255(Top 99%)16255(Top 740%)
25K15.53 mi2.42 mi28863+2316286+916286+928622(Top 99%)16174(Top 99%)16174(Top 736%)
30K18.64 mi3.11 mi28853+1016279+716279+728652(Top 99%)16166(Top 99%)16166(Top 735%)
20M20.00 mi1.36 mi28842+1116272+716272+728394(Top 98%)16043(Top 98%)16043(Top 730%)
21M21.00 mi1.00 mi28836+616269+316269+328391(Top 98%)16014(Top 98%)16014(Top 729%)
35K21.75 mi0.75 mi28828+816261+816261+828341(Top 98%)15972(Top 98%)15972(Top 727%)
23M23.00 mi1.25 mi28821+7162611626128106(Top 97%)15860(Top 97%)15860(Top 722%)
24M24.00 mi1.00 mi28819+216259+216259+228371(Top 98%)15970(Top 98%)15970(Top 727%)
40K24.85 mi0.85 mi28809+1016252+716252+728029(Top 97%)15807(Top 97%)15807(Top 719%)
25.2M25.20 mi0.35 mi28787+2216244+816244+826433(Top 91%)15012(Top 92%)15012(Top 683%)
FINISH26.22 mi1.02 mi28756+3116231+1316231+1327256(Top 94%)15397(Top 94%)15397(Top 701%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28870

Males

16290

M40-44

16290

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28689

Males

16236

M40-44

16236

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28870

Males

16290

M40-44

16290

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28863

Males

16277

M40-44

16277

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28850

Males

16255

M40-44

16255

HALF→25K

13.1 - 15.5 mi

Top 99%
×4
+66ft-88ft

Overall

28622

Males

16174

M40-44

16174

25K→30K

15.5 - 18.6 mi

Top 99%
×9
+181ft-148ft

Overall

28652

Males

16166

M40-44

16166

30K→20M

18.6 - 20.0 mi

Top 98%
×5
+64ft-50ft

Overall

28394

Males

16043

M40-44

16043

20M→21M

20.0 - 21.0 mi

Top 98%
×8
+106ft-24ft

Overall

28391

Males

16014

M40-44

16014

21M→35K

21.0 - 21.8 mi

Top 98%
×7
+17ft-86ft

Overall

28341

Males

15972

M40-44

15972

35K→23M

21.8 - 23.0 mi

Top 97%
×5
+23ft-63ft

Overall

28106

Males

15860

M40-44

15860

23M→24M

23.0 - 24.0 mi

Top 98%
×6
+12ft-82ft

Overall

28371

Males

15970

M40-44

15970

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28029

Males

15807

M40-44

15807

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26433

Males

15012

M40-44

15012

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27256

Males

15397

M40-44

15397

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
292
Passed By
202
Net Change
+90
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28846
5K → 10K7024+46#28846#28800
10K → 15K1272-60#28800#28860
15K → 20K1936-17#28860#28877
20K → HALF211-9#28877#28886
HALF → 25K329+23#28886#28863
25K → 30K2313+10#28863#28853
30K → 20M187+11#28853#28842
20M → 21M137+6#28842#28836
21M → 35K124+8#28836#28828
35K → 23M158+7#28828#28821
23M → 24M119+2#28821#28819
24M → 40K122+10#28819#28809
40K → 25.2M220+22#28809#28787
25.2M → FINISH310+31#28787#28756
TOTALS292202+90
📊

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