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BOSTON MARATHON 2026

Bangsoo Lee

Bib: 20668•M

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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 (M65-69)
#0 / 774
Top 26%
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
25:36
3.11 mi
Rank: #18466
Start → 5K
25:36 | 8:15/mi
10K
50:54
6.21 mi
Rank: #18351 (+115)
5K → 10K
25:18 | 8:09/mi
15K
1:16:31
9.32 mi
Rank: #18447 (-96)
10K → 15K
25:37 | 8:15/mi
20K
1:43:22
12.43 mi
Rank: #18864 (-417)
15K → 20K
26:51 | 8:39/mi
HALF
1:49:17
13.11 mi
Rank: #19000 (-136)
20K → HALF
5:55 | 8:41/mi
25K
2:11:15
15.53 mi
Rank: #19446 (-446)
HALF → 25K
21:58 | 9:04/mi
30K
2:41:49
18.64 mi
Rank: #20205 (-759)
25K → 30K
30:34 | 9:51/mi
20M
2:54:36
20.00 mi
Rank: #20269 (-64)
30K → 20M
12:47 | 9:25/mi
21M
3:04:42
21.00 mi
Rank: #20321 (-52)
20M → 21M
10:06 | 10:06/mi
35K
3:11:21
21.75 mi
Rank: #20297 (+24)
21M → 35K
6:39 | 8:54/mi
23M
3:21:53
23.00 mi
Rank: #20036 (+261)
35K → 23M
10:32 | 8:26/mi
24M
3:30:08
24.00 mi
Rank: #19829 (+207)
23M → 24M
8:15 | 8:15/mi
40K
3:37:11
24.85 mi
Rank: #19639 (+190)
24M → 40K
7:03 | 8:15/mi
25.2M
3:40:16
25.20 mi
Rank: #19550 (+89)
40K → 25.2M
3:05 | 8:57/mi
FINISH
3:49:00
26.22 mi
Rank: #19534 (+16)
25.2M → FINISH
8:44 | 8:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:17
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:59:43
Pace9:08 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1225:368:1525:36
8:15
-
10K
6.21 mi11:37:3050:548:1225:18
8:09
-0:06
15K
9.32 mi12:03:071:16:318:1325:37
8:15
+0:06
20K
12.43 mi12:29:581:43:228:2026:51
8:39
+0:24
HALF
13.11 mi12:35:531:49:178:215:55
8:41
+0:02
25K
15.53 mi12:57:512:11:158:2721:58
9:04
+0:23
30K
18.64 mi13:28:252:41:498:4130:34
9:51
+0:47
20M
20.00 mi13:41:122:54:368:4412:47
9:25
-0:26
21M
21.00 mi13:51:183:04:428:4810:06
10:06
+0:41
35K
21.75 mi13:57:573:11:218:486:39
8:54
-1:12
23M
23.00 mi14:08:293:21:538:4710:32
8:26
-0:28
24M
24.00 mi14:16:443:30:088:468:15
8:15
-0:11
40K
24.85 mi14:23:473:37:118:457:03
8:15
0:00
25.2M
25.20 mi14:26:523:40:168:453:05
8:57
+0:42
FINISH
26.22 mi14:35:363:49:008:458:44
8:35
-0:22

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

8:09 /mi

Average Pace

8:44 /mi

Slowest Pace

10:06 /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

1:31:49

40% of race

Time at Steady Pace

58:41

26% of race

Time at Slower Pace

1:18:30

34% of race

Average Pace: 8:44 /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 mi11:12:1225:368:1525:36
8:15
#18466
10K
6.21 mi11:37:3050:548:1225:18
8:09
#18351
15K
9.32 mi12:03:071:16:318:1325:37
8:15
#18447
20K
12.43 mi12:29:581:43:228:2026:51
8:39
#18864
HALF
13.11 mi12:35:531:49:178:215:55
8:41
#19000
25K
15.53 mi12:57:512:11:158:2721:58
9:04
#19446
30K
18.64 mi13:28:252:41:498:4130:34
9:51
#20205
20M
20.00 mi13:41:122:54:368:4412:47
9:25
#20269
21M
21.00 mi13:51:183:04:428:4810:06
10:06
#20321
35K
21.75 mi13:57:573:11:218:486:39
8:54
#20297
23M
23.00 mi14:08:293:21:538:4710:32
8:26
#20036
24M
24.00 mi14:16:443:30:088:468:15
8:15
#19829
40K
24.85 mi14:23:473:37:118:457:03
8:15
#19639
25.2M
25.20 mi14:26:523:40:168:453:05
8:57
#19550
FINISH
26.22 mi14:35:363:49:008:458:44
8:35
#19534
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18466116111161118635(Top 64%)11727(Top 72%)11727(Top 1515%)
10K6.21 mi3.10 mi18351+11511579+3211579+3218227(Top 63%)11554(Top 71%)11554(Top 1493%)
15K9.32 mi3.11 mi18447-9611639-6011639-6018635(Top 64%)11727(Top 72%)11727(Top 1515%)
20K12.43 mi3.11 mi18864-41711802-16311802-16320101(Top 69%)12331(Top 75%)12331(Top 1593%)
HALF13.11 mi0.68 mi19000-13611857-5511857-5521172(Top 73%)12868(Top 79%)12868(Top 1663%)
25K15.53 mi2.42 mi19446-44612043-18612043-18621412(Top 74%)12949(Top 79%)12949(Top 1673%)
30K18.64 mi3.11 mi20205-75912363-32012363-32022669(Top 78%)13469(Top 82%)13469(Top 1740%)
20M20.00 mi1.36 mi20269-6412371-812371-820713(Top 71%)12433(Top 76%)12433(Top 1606%)
21M21.00 mi1.00 mi20321-5212388-1712388-1720741(Top 71%)12426(Top 76%)12426(Top 1605%)
35K21.75 mi0.75 mi20297+2412370+1812370+1819547(Top 67%)11753(Top 72%)11753(Top 1518%)
23M23.00 mi1.25 mi20036+26112225+14512225+14515193(Top 52%)9783(Top 60%)9783(Top 1264%)
24M24.00 mi1.00 mi19829+20712096+12912096+12915386(Top 53%)9795(Top 60%)9795(Top 1266%)
40K24.85 mi0.85 mi19639+19012002+9412002+9414076(Top 49%)9121(Top 56%)9121(Top 1178%)
25.2M25.20 mi0.35 mi19550+8911957+4511957+4514362(Top 49%)9247(Top 57%)9247(Top 1195%)
FINISH26.22 mi1.02 mi19534+1611944+1311944+1318512(Top 64%)11142(Top 68%)11142(Top 1440%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18635

Males

11727

M65-69

11727

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18227

Males

11554

M65-69

11554

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18635

Males

11727

M65-69

11727

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20101

Males

12331

M65-69

12331

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21172

Males

12868

M65-69

12868

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21412

Males

12949

M65-69

12949

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22669

Males

13469

M65-69

13469

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20713

Males

12433

M65-69

12433

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20741

Males

12426

M65-69

12426

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19547

Males

11753

M65-69

11753

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15193

Males

9783

M65-69

9783

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15386

Males

9795

M65-69

9795

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14076

Males

9121

M65-69

9121

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14362

Males

9247

M65-69

9247

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18512

Males

11142

M65-69

11142

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1656
Passed By
2724
Net Change
-1068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18466
5K → 10K342227+115#18466#18351
10K → 15K142238-96#18351#18447
15K → 20K60477-417#18447#18864
20K → HALF9145-136#18864#19000
HALF → 25K42488-446#19000#19446
25K → 30K59818-759#19446#20205
30K → 20M65129-64#20205#20269
20M → 21M64116-52#20269#20321
21M → 35K5228+24#20321#20297
35K → 23M2621+261#20297#20036
23M → 24M2081+207#20036#19829
24M → 40K1911+190#19829#19639
40K → 25.2M901+89#19639#19550
25.2M → FINISH7054+16#19550#19534
TOTALS16562724-1068
📊

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