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BOSTON MARATHON 2026

Soojin Lee

Bib: 19410•M

ON

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 48%
Age Group (M60-64)
#0 / 1514
Top 11%
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
24:32
3.11 mi
Rank: #16153
Start → 5K
24:32 | 7:54/mi
10K
48:16
6.21 mi
Rank: #15206 (+947)
5K → 10K
23:44 | 7:39/mi
15K
1:12:10
9.32 mi
Rank: #14911 (+295)
10K → 15K
23:54 | 7:42/mi
20K
1:36:01
12.43 mi
Rank: #14512 (+399)
15K → 20K
23:51 | 7:41/mi
HALF
1:41:09
13.11 mi
Rank: #14459 (+53)
20K → HALF
5:08 | 7:32/mi
25K
1:59:55
15.53 mi
Rank: #14221 (+238)
HALF → 25K
18:46 | 7:45/mi
30K
2:24:28
18.64 mi
Rank: #13924 (+297)
25K → 30K
24:33 | 7:55/mi
20M
2:35:15
20.00 mi
Rank: #13777 (+147)
30K → 20M
10:47 | 7:57/mi
21M
2:43:39
21.00 mi
Rank: #13676 (+101)
20M → 21M
8:24 | 8:24/mi
35K
2:49:24
21.75 mi
Rank: #13615 (+61)
21M → 35K
5:45 | 7:42/mi
23M
2:59:20
23.00 mi
Rank: #13490 (+125)
35K → 23M
9:56 | 7:57/mi
24M
3:07:06
24.00 mi
Rank: #13405 (+85)
23M → 24M
7:46 | 7:46/mi
40K
3:13:49
24.85 mi
Rank: #13304 (+101)
24M → 40K
6:43 | 7:52/mi
25.2M
3:16:41
25.20 mi
Rank: #13246 (+58)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:24:21
26.22 mi
Rank: #13179 (+67)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:43:12
Pace7:53 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0324:327:5424:32
7:54
-
10K
6.21 mi11:49:4748:167:4723:44
7:39
-0:15
15K
9.32 mi12:13:411:12:107:4523:54
7:42
+0:03
20K
12.43 mi12:37:321:36:017:4423:51
7:41
-0:01
HALF
13.11 mi12:42:401:41:097:435:08
7:32
-0:09
25K
15.53 mi13:01:261:59:557:4418:46
7:45
+0:13
30K
18.64 mi13:25:592:24:287:4524:33
7:55
+0:10
20M
20.00 mi13:36:462:35:157:4610:47
7:57
+0:02
21M
21.00 mi13:45:102:43:397:488:24
8:24
+0:27
35K
21.75 mi13:50:552:49:247:485:45
7:42
-0:42
23M
23.00 mi14:00:512:59:207:489:56
7:57
+0:15
24M
24.00 mi14:08:373:07:067:487:46
7:46
-0:11
40K
24.85 mi14:15:203:13:497:486:43
7:52
+0:06
25.2M
25.20 mi14:18:123:16:417:492:52
8:19
+0:27
FINISH
26.22 mi14:25:523:24:217:487:40
7:32
-0:47

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

7:32 /mi

Average Pace

7:48 /mi

Slowest Pace

8:24 /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

3:13:05

94% of race

Time at Steady Pace

11:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi11:26:0324:327:5424:32
7:54
#16153
10K
6.21 mi11:49:4748:167:4723:44
7:39
#15206
15K
9.32 mi12:13:411:12:107:4523:54
7:42
#14911
20K
12.43 mi12:37:321:36:017:4423:51
7:41
#14512
HALF
13.11 mi12:42:401:41:097:435:08
7:32
#14459
25K
15.53 mi13:01:261:59:557:4418:46
7:45
#14221
30K
18.64 mi13:25:592:24:287:4524:33
7:55
#13924
20M
20.00 mi13:36:462:35:157:4610:47
7:57
#13777
21M
21.00 mi13:45:102:43:397:488:24
8:24
#13676
35K
21.75 mi13:50:552:49:247:485:45
7:42
#13615
23M
23.00 mi14:00:512:59:207:489:56
7:57
#13490
24M
24.00 mi14:08:373:07:067:487:46
7:46
#13405
40K
24.85 mi14:15:203:13:497:486:43
7:52
#13304
25.2M
25.20 mi14:18:123:16:417:492:52
8:19
#13246
FINISH
26.22 mi14:25:523:24:217:487:40
7:32
#13179
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16153106681066814472(Top 50%)9980(Top 61%)9980(Top 659%)
10K6.21 mi3.10 mi15206+94710297+37110297+37114207(Top 49%)9907(Top 61%)9907(Top 654%)
15K9.32 mi3.11 mi14911+29510172+12510172+12514472(Top 50%)9980(Top 61%)9980(Top 659%)
20K12.43 mi3.11 mi14512+39910015+15710015+15713507(Top 47%)9509(Top 58%)9509(Top 628%)
HALF13.11 mi0.68 mi14459+539995+209995+2013226(Top 46%)9471(Top 58%)9471(Top 626%)
25K15.53 mi2.42 mi14221+2389869+1269869+12613337(Top 46%)9365(Top 57%)9365(Top 619%)
30K18.64 mi3.11 mi13924+2979721+1489721+14812750(Top 44%)8991(Top 55%)8991(Top 594%)
20M20.00 mi1.36 mi13777+1479627+949627+9412369(Top 43%)8733(Top 53%)8733(Top 577%)
21M21.00 mi1.00 mi13676+1019555+729555+7212464(Top 43%)8659(Top 53%)8659(Top 572%)
35K21.75 mi0.75 mi13615+619512+439512+4312189(Top 42%)8528(Top 52%)8528(Top 563%)
23M23.00 mi1.25 mi13490+1259430+829430+8212025(Top 41%)8379(Top 51%)8379(Top 553%)
24M24.00 mi1.00 mi13405+859368+629368+6212009(Top 41%)8258(Top 51%)8258(Top 545%)
40K24.85 mi0.85 mi13304+1019307+619307+6111440(Top 39%)7922(Top 48%)7922(Top 523%)
25.2M25.20 mi0.35 mi13246+589278+299278+2910372(Top 36%)7348(Top 45%)7348(Top 485%)
FINISH26.22 mi1.02 mi13179+679223+559223+5511586(Top 40%)7905(Top 48%)7905(Top 522%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14472

Males

9980

M60-64

9980

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14207

Males

9907

M60-64

9907

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14472

Males

9980

M60-64

9980

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13507

Males

9509

M60-64

9509

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13226

Males

9471

M60-64

9471

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13337

Males

9365

M60-64

9365

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12750

Males

8991

M60-64

8991

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12369

Males

8733

M60-64

8733

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12464

Males

8659

M60-64

8659

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12189

Males

8528

M60-64

8528

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

12025

Males

8379

M60-64

8379

23M→24M

23.0 - 24.0 mi

Top 41%
×6
+12ft-82ft

Overall

12009

Males

8258

M60-64

8258

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11440

Males

7922

M60-64

7922

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10372

Males

7348

M60-64

7348

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11586

Males

7905

M60-64

7905

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3434
Passed By
460
Net Change
+2974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16153
5K → 10K98841+947#16153#15206
10K → 15K37378+295#15206#14911
15K → 20K42223+399#14911#14512
20K → HALF629+53#14512#14459
HALF → 25K27537+238#14459#14221
25K → 30K35760+297#14221#13924
30K → 20M17730+147#13924#13777
20M → 21M13635+101#13777#13676
21M → 35K8221+61#13676#13615
35K → 23M15631+125#13615#13490
23M → 24M12136+85#13490#13405
24M → 40K11817+101#13405#13304
40K → 25.2M668+58#13304#13246
25.2M → FINISH10134+67#13246#13179
TOTALS3434460+2974
📊

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