All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Koon Wong Lee

Bib: 12091•M

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 25%
Gender (Male)
#0 / 16340
Top 38%
Masters (Masters Men)
#0 / 10617
Top 25%
Age Group (M50-54)
#0 / 1868
Top 20%
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
21:40
3.11 mi
Rank: #8325
Start → 5K
21:40 | 6:59/mi
10K
43:15
6.21 mi
Rank: #8293 (+32)
5K → 10K
21:35 | 6:57/mi
15K
1:04:35
9.32 mi
Rank: #8044 (+249)
10K → 15K
21:20 | 6:52/mi
20K
1:25:56
12.43 mi
Rank: #7697 (+347)
15K → 20K
21:21 | 6:53/mi
HALF
1:30:36
13.11 mi
Rank: #7692 (+5)
20K → HALF
4:40 | 6:51/mi
25K
1:47:36
15.53 mi
Rank: #7612 (+80)
HALF → 25K
17:00 | 7:01/mi
30K
2:10:26
18.64 mi
Rank: #7678 (-66)
25K → 30K
22:50 | 7:21/mi
20M
2:20:35
20.00 mi
Rank: #7710 (-32)
30K → 20M
10:09 | 7:29/mi
21M
2:28:06
21.00 mi
Rank: #7617 (+93)
20M → 21M
7:31 | 7:31/mi
35K
2:33:27
21.75 mi
Rank: #7592 (+25)
21M → 35K
5:21 | 7:10/mi
23M
2:42:24
23.00 mi
Rank: #7461 (+131)
35K → 23M
8:57 | 7:10/mi
24M
2:49:30
24.00 mi
Rank: #7395 (+66)
23M → 24M
7:06 | 7:06/mi
40K
2:55:34
24.85 mi
Rank: #7286 (+109)
24M → 40K
6:04 | 7:06/mi
25.2M
2:58:31
25.20 mi
Rank: #7334 (-48)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:05:58
26.22 mi
Rank: #7393 (-59)
25.2M → FINISH
7:27 | 7:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:35:22
Pace7:17 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4321:406:5921:40
6:59
-
10K
6.21 mi11:11:1843:156:5821:35
6:57
-0:02
15K
9.32 mi11:32:381:04:356:5621:20
6:52
-0:05
20K
12.43 mi11:53:591:25:566:5521:21
6:53
+0:01
HALF
13.11 mi11:58:391:30:366:554:40
6:51
-0:02
25K
15.53 mi12:15:391:47:366:5617:00
7:01
+0:10
30K
18.64 mi12:38:292:10:267:0022:50
7:21
+0:20
20M
20.00 mi12:48:382:20:357:0210:09
7:29
+0:08
21M
21.00 mi12:56:092:28:067:047:31
7:31
+0:02
35K
21.75 mi13:01:302:33:277:045:21
7:10
-0:21
23M
23.00 mi13:10:272:42:247:048:57
7:10
0:00
24M
24.00 mi13:17:332:49:307:047:06
7:06
-0:04
40K
24.85 mi13:23:372:55:347:046:04
7:06
0:00
25.2M
25.20 mi13:26:342:58:317:062:57
8:34
+1:28
FINISH
26.22 mi13:34:013:05:587:067:27
7:19
-1:15

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

6:51 /mi

Average Pace

7:06 /mi

Slowest Pace

8:34 /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

47:21

25% of race

Time at Steady Pace

1:27:43

47% of race

Time at Slower Pace

50:54

27% of race

Average Pace: 7:06 /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 mi10:49:4321:406:5921:40
6:59
#8325
10K
6.21 mi11:11:1843:156:5821:35
6:57
#8293
15K
9.32 mi11:32:381:04:356:5621:20
6:52
#8044
20K
12.43 mi11:53:591:25:566:5521:21
6:53
#7697
HALF
13.11 mi11:58:391:30:366:554:40
6:51
#7692
25K
15.53 mi12:15:391:47:366:5617:00
7:01
#7612
30K
18.64 mi12:38:292:10:267:0022:50
7:21
#7678
20M
20.00 mi12:48:382:20:357:0210:09
7:29
#7710
21M
21.00 mi12:56:092:28:067:047:31
7:31
#7617
35K
21.75 mi13:01:302:33:277:045:21
7:10
#7592
23M
23.00 mi13:10:272:42:247:048:57
7:10
#7461
24M
24.00 mi13:17:332:49:307:047:06
7:06
#7395
40K
24.85 mi13:23:372:55:347:046:04
7:06
#7286
25.2M
25.20 mi13:26:342:58:317:062:57
8:34
#7334
FINISH
26.22 mi13:34:013:05:587:067:27
7:19
#7393
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8325711871187502(Top 26%)6522(Top 40%)6522(Top 349%)
10K6.21 mi3.10 mi8293+327075+437075+438279(Top 29%)7062(Top 43%)7062(Top 378%)
15K9.32 mi3.11 mi8044+2496912+1636912+1637502(Top 26%)6522(Top 40%)6522(Top 349%)
20K12.43 mi3.11 mi7697+3476677+2356677+2356848(Top 24%)6042(Top 37%)6042(Top 323%)
HALF13.11 mi0.68 mi7692+56673+46673+47483(Top 26%)6516(Top 40%)6516(Top 349%)
25K15.53 mi2.42 mi7612+806603+706603+707452(Top 26%)6417(Top 39%)6417(Top 344%)
30K18.64 mi3.11 mi7678-666629-266629-268476(Top 29%)6866(Top 42%)6866(Top 368%)
20M20.00 mi1.36 mi7710-326627+26627+28894(Top 31%)6993(Top 43%)6993(Top 374%)
21M21.00 mi1.00 mi7617+936563+646563+646592(Top 23%)5514(Top 34%)5514(Top 295%)
35K21.75 mi0.75 mi7592+256527+366527+368146(Top 28%)6492(Top 40%)6492(Top 348%)
23M23.00 mi1.25 mi7461+1316419+1086419+1086461(Top 22%)5409(Top 33%)5409(Top 290%)
24M24.00 mi1.00 mi7395+666345+746345+747156(Top 25%)5781(Top 35%)5781(Top 309%)
40K24.85 mi0.85 mi7286+1096252+936252+936098(Top 21%)5057(Top 31%)5057(Top 271%)
25.2M25.20 mi0.35 mi7334-486270-186270-1811861(Top 41%)8002(Top 49%)8002(Top 428%)
FINISH26.22 mi1.02 mi7393-596282-126282-129936(Top 34%)7080(Top 43%)7080(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21
+97ft-345ft

Overall

7502

Males

6522

M50-54

6522

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8279

Males

7062

M50-54

7062

10K→15K

6.2 - 9.3 mi

Top 26%
×3
+67ft-78ft

Overall

7502

Males

6522

M50-54

6522

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

6848

Males

6042

M50-54

6042

20K→HALF

12.4 - 13.1 mi

Top 26%
×2
+19ft-37ft

Overall

7483

Males

6516

M50-54

6516

HALF→25K

13.1 - 15.5 mi

Top 26%
×4
+66ft-88ft

Overall

7452

Males

6417

M50-54

6417

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8476

Males

6866

M50-54

6866

30K→20M

18.6 - 20.0 mi

Top 31%
×5
+64ft-50ft

Overall

8894

Males

6993

M50-54

6993

20M→21M

20.0 - 21.0 mi

Top 23%
×8
+106ft-24ft

Overall

6592

Males

5514

M50-54

5514

21M→35K

21.0 - 21.8 mi

Top 28%
×7
+17ft-86ft

Overall

8146

Males

6492

M50-54

6492

35K→23M

21.8 - 23.0 mi

Top 22%
×5
+23ft-63ft

Overall

6461

Males

5409

M50-54

5409

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7156

Males

5781

M50-54

5781

24M→40K

24.0 - 24.9 mi

Top 21%
×1
+6ft-20ft

Overall

6098

Males

5057

M50-54

5057

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11861

Males

8002

M50-54

8002

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9936

Males

7080

M50-54

7080

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1819*
Passed By
887
Net Change
+932
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8325
5K → 10K217*185+32#8325#8293
10K → 15K284*35+249#8293#8044
15K → 20K361*14+347#8044#7697
20K → HALF2621+5#7697#7692
HALF → 25K14868+80#7692#7612
25K → 30K119185-66#7612#7678
30K → 20M6597-32#7678#7710
20M → 21M11623+93#7710#7617
21M → 35K5429+25#7617#7592
35K → 23M14918+131#7592#7461
23M → 24M9933+66#7461#7395
24M → 40K12314+109#7395#7286
40K → 25.2M1462-48#7286#7334
25.2M → FINISH44103-59#7334#7393
TOTALS1819*887+932

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing