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BOSTON MARATHON 2026

Joung Sook Lim

Bib: 26248β€’F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F70-74)
#0 / 81
Top 31%
Race Day Weather
51Β°/41Β°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
29:24
3.11 mi
Rank: #24367
Start β†’ 5K
29:24 | 9:28/mi
10K
58:47
6.21 mi
Rank: #24408 (-41)
5K β†’ 10K
29:23 | 9:28/mi
15K
1:29:43
9.32 mi
Rank: #24841 (-433)
10K β†’ 15K
30:56 | 9:58/mi
20K
2:03:13
12.43 mi
Rank: #25412 (-571)
15K β†’ 20K
33:30 | 10:47/mi
HALF
2:09:40
13.11 mi
Rank: #25369 (+43)
20K β†’ HALF
6:27 | 9:28/mi
25K
2:34:15
15.53 mi
Rank: #25213 (+156)
HALF β†’ 25K
24:35 | 10:09/mi
30K
3:08:10
18.64 mi
Rank: #25207 (+6)
25K β†’ 30K
33:55 | 10:56/mi
20M
3:22:46
20.00 mi
Rank: #25133 (+74)
30K β†’ 20M
14:36 | 10:45/mi
21M
3:33:36
21.00 mi
Rank: #25002 (+131)
20M β†’ 21M
10:50 | 10:50/mi
35K
3:42:44
21.75 mi
Rank: #25120 (-118)
21M β†’ 35K
9:08 | 12:13/mi
23M
3:55:14
23.00 mi
Rank: #24946 (+174)
35K β†’ 23M
12:30 | 10:00/mi
24M
4:04:59
24.00 mi
Rank: #24855 (+91)
23M β†’ 24M
9:45 | 9:45/mi
40K
4:13:57
24.85 mi
Rank: #24775 (+80)
24M β†’ 40K
8:58 | 10:30/mi
25.2M
4:17:50
25.20 mi
Rank: #24748 (+27)
40K β†’ 25.2M
3:53 | 11:16/mi
FINISH
4:27:57
26.22 mi
Rank: #24727 (+21)
25.2M β†’ FINISH
10:07 | 9:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:09:40
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:18:17
Pace10:33 /mi
πŸ“ŠPositive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:3429:249:2829:24
9:28
-
10K
6.21 mi12:05:5758:479:2829:23
9:28
0:00
15K
9.32 mi12:36:531:29:439:3830:56
9:58
+0:30
20K
12.43 mi13:10:232:03:139:5533:30
10:47
+0:49
HALF
13.11 mi13:16:502:09:409:546:27
9:28
-1:19
25K
15.53 mi13:41:252:34:159:5624:35
10:09
+0:41
30K
18.64 mi14:15:203:08:1010:0633:55
10:56
+0:47
20M
20.00 mi14:29:563:22:4610:0914:36
10:45
-0:11
21M
21.00 mi14:40:463:33:3610:1110:50
10:50
+0:05
35K
21.75 mi14:49:543:42:4410:159:08
12:13
+1:23
23M
23.00 mi15:02:243:55:1410:1412:30
10:00
-2:13
24M
24.00 mi15:12:094:04:5910:139:45
9:45
-0:15
40K
24.85 mi15:21:074:13:5710:148:58
10:30
+0:45
25.2M
25.20 mi15:25:004:17:5010:143:53
11:16
+0:46
FINISH
26.22 mi15:35:074:27:5710:1410:07
9:56
-1:20

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:28 /mi

Average Pace

10:14 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:14:59

28% of race

Time at Steady Pace

1:27:06

33% of race

Time at Slower Pace

1:45:52

40% of race

Average Pace: 10:13 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:36:3429:249:2829:24
9:28
#24367
10K
6.21 mi12:05:5758:479:2829:23
9:28
#24408
15K
9.32 mi12:36:531:29:439:3830:56
9:58
#24841
20K
12.43 mi13:10:232:03:139:5533:30
10:47
#25412
HALF
13.11 mi13:16:502:09:409:546:27
9:28
#25369
25K
15.53 mi13:41:252:34:159:5624:35
10:09
#25213
30K
18.64 mi14:15:203:08:1010:0633:55
10:56
#25207
20M
20.00 mi14:29:563:22:4610:0914:36
10:45
#25133
21M
21.00 mi14:40:463:33:3610:1110:50
10:50
#25002
35K
21.75 mi14:49:543:42:4410:159:08
12:13
#25120
23M
23.00 mi15:02:243:55:1410:1412:30
10:00
#24946
24M
24.00 mi15:12:094:04:5910:139:45
9:45
#24855
40K
24.85 mi15:21:074:13:5710:148:58
10:30
#24775
25.2M
25.20 mi15:25:004:17:5010:143:53
11:16
#24748
FINISH
26.22 mi15:35:074:27:5710:1410:07
9:56
#24727
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi243679863986325588(Top 88%)10493(Top 83%)10493(Top 12954%)
10K6.21 mi3.10 mi24408-419866-39866-324462(Top 84%)9892(Top 79%)9892(Top 12212%)
15K9.32 mi3.11 mi24841-43310092-22610092-22625588(Top 88%)10493(Top 83%)10493(Top 12954%)
20K12.43 mi3.11 mi25412-57110399-30710399-30726667(Top 92%)11133(Top 89%)11133(Top 13744%)
HALF13.11 mi0.68 mi25369+4310377+2210377+2224313(Top 84%)9858(Top 78%)9858(Top 12170%)
25K15.53 mi2.42 mi25213+15610300+7710300+7724618(Top 85%)10036(Top 80%)10036(Top 12390%)
30K18.64 mi3.11 mi25207+610339-3910339-3925183(Top 87%)10453(Top 83%)10453(Top 12905%)
20M20.00 mi1.36 mi25133+7410315+2410315+2424396(Top 84%)10123(Top 80%)10123(Top 12498%)
21M21.00 mi1.00 mi25002+13110256+5910256+5922762(Top 78%)9291(Top 74%)9291(Top 11470%)
35K21.75 mi0.75 mi25120-11810339-8310339-8326973(Top 93%)11542(Top 92%)11542(Top 14249%)
23M23.00 mi1.25 mi24946+17410256+8310256+8322111(Top 76%)9063(Top 72%)9063(Top 11189%)
24M24.00 mi1.00 mi24855+9110220+3610220+3622123(Top 76%)9113(Top 72%)9113(Top 11251%)
40K24.85 mi0.85 mi24775+8010192+2810192+2823190(Top 80%)9721(Top 77%)9721(Top 12001%)
25.2M25.20 mi0.35 mi24748+2710183+910183+923040(Top 79%)9638(Top 77%)9638(Top 11899%)
FINISH26.22 mi1.02 mi24727+2110186-310186-323641(Top 81%)9938(Top 79%)9938(Top 12269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
Γ—21
+97ft-345ft

Overall

25588

Females

10493

F70-74

10493

5K→10K

3.1 - 6.2 mi

Top 84%
Γ—5
+79ft-138ft

Overall

24462

Females

9892

F70-74

9892

10K→15K

6.2 - 9.3 mi

Top 88%
Γ—3
+67ft-78ft

Overall

25588

Females

10493

F70-74

10493

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26667

Females

11133

F70-74

11133

20K→HALF

12.4 - 13.1 mi

Top 84%
Γ—2
+19ft-37ft

Overall

24313

Females

9858

F70-74

9858

HALF→25K

13.1 - 15.5 mi

Top 85%
Γ—4
+66ft-88ft

Overall

24618

Females

10036

F70-74

10036

25K→30K

15.5 - 18.6 mi

Top 87%
Γ—9
+181ft-148ft

Overall

25183

Females

10453

F70-74

10453

30K→20M

18.6 - 20.0 mi

Top 84%
Γ—5
+64ft-50ft

Overall

24396

Females

10123

F70-74

10123

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22762

Females

9291

F70-74

9291

21M→35K

21.0 - 21.8 mi

Top 93%
Γ—7
+17ft-86ft

Overall

26973

Females

11542

F70-74

11542

35K→23M

21.8 - 23.0 mi

Top 76%
Γ—5
+23ft-63ft

Overall

22111

Females

9063

F70-74

9063

23M→24M

23.0 - 24.0 mi

Top 76%
Γ—6
+12ft-82ft

Overall

22123

Females

9113

F70-74

9113

24M→40K

24.0 - 24.9 mi

Top 80%
Γ—1
+6ft-20ft

Overall

23190

Females

9721

F70-74

9721

40K→25.2M

24.9 - 25.2 mi

Top 79%
Γ—1
+13ft-16ft

Overall

23040

Females

9638

F70-74

9638

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
Γ—2
+22ft-21ft

Overall

23641

Females

9938

F70-74

9938

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1300
Passed By
1660
Net Change
-360
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#24367
5K β†’ 10K202243-41#24367#24408
10K β†’ 15K36469-433#24408#24841
15K β†’ 20K25596-571#24841#25412
20K β†’ HALF463+43#25412#25369
HALF β†’ 25K17317+156#25369#25213
25K β†’ 30K127121+6#25213#25207
30K β†’ 20M9925+74#25207#25133
20M β†’ 21M1387+131#25133#25002
21M β†’ 35K15133-118#25002#25120
35K β†’ 23M1784+174#25120#24946
23M β†’ 24M998+91#24946#24855
24M β†’ 40K855+80#24855#24775
40K β†’ 25.2M347+27#24775#24748
25.2M β†’ FINISH4322+21#24748#24727
TOTALS13001660-360
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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