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BOSTON MARATHON 2026

Sukja Jeon

Bib: 26096•F

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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 (F65-69)
#0 / 273
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
29:17
3.11 mi
Rank: #24239
Start → 5K
29:17 | 9:26/mi
10K
58:12
6.21 mi
Rank: #24134 (+105)
5K → 10K
28:55 | 9:19/mi
15K
1:26:45
9.32 mi
Rank: #23945 (+189)
10K → 15K
28:33 | 9:12/mi
20K
1:56:05
12.43 mi
Rank: #23829 (+116)
15K → 20K
29:20 | 9:27/mi
HALF
2:02:27
13.11 mi
Rank: #23825 (+4)
20K → HALF
6:22 | 9:21/mi
25K
2:26:39
15.53 mi
Rank: #23915 (-90)
HALF → 25K
24:12 | 9:59/mi
30K
3:00:13
18.64 mi
Rank: #24107 (-192)
25K → 30K
33:34 | 10:49/mi
20M
3:16:01
20.00 mi
Rank: #24304 (-197)
30K → 20M
15:48 | 11:38/mi
21M
3:28:47
21.00 mi
Rank: #24460 (-156)
20M → 21M
12:46 | 12:46/mi
35K
3:36:56
21.75 mi
Rank: #24469 (-9)
21M → 35K
8:09 | 10:54/mi
23M
3:51:26
23.00 mi
Rank: #24566 (-97)
35K → 23M
14:30 | 11:36/mi
24M
4:02:22
24.00 mi
Rank: #24577 (-11)
23M → 24M
10:56 | 10:56/mi
40K
4:12:13
24.85 mi
Rank: #24602 (-25)
24M → 40K
9:51 | 11:32/mi
25.2M
4:16:39
25.20 mi
Rank: #24640 (-38)
40K → 25.2M
4:26 | 12:52/mi
FINISH
4:27:39
26.22 mi
Rank: #24697 (-57)
25.2M → FINISH
11:00 | 10:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:02:27
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:25:12
Pace11:05 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:4929:179:2629:17
9:26
-
10K
6.21 mi12:05:4458:129:2228:55
9:19
-0:07
15K
9.32 mi12:34:171:26:459:1928:33
9:12
-0:07
20K
12.43 mi13:03:371:56:059:2129:20
9:27
+0:15
HALF
13.11 mi13:09:592:02:279:216:22
9:21
-0:06
25K
15.53 mi13:34:112:26:399:2724:12
9:59
+0:38
30K
18.64 mi14:07:453:00:139:4133:34
10:49
+0:50
20M
20.00 mi14:23:333:16:019:4915:48
11:38
+0:49
21M
21.00 mi14:36:193:28:479:5712:46
12:46
+1:08
35K
21.75 mi14:44:283:36:569:598:09
10:54
-1:52
23M
23.00 mi14:58:583:51:2610:0414:30
11:36
+0:42
24M
24.00 mi15:09:544:02:2210:0610:56
10:56
-0:40
40K
24.85 mi15:19:454:12:1310:099:51
11:32
+0:36
25.2M
25.20 mi15:24:114:16:3910:124:26
12:52
+1:20
FINISH
26.22 mi15:35:114:27:3910:1311:00
10:48
-2:04

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

9:12 /mi

Average Pace

10:13 /mi

Slowest Pace

12:52 /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

2:26:39

55% of race

Time at Steady Pace

1:03:39

24% of race

Time at Slower Pace

57:21

21% of race

Average Pace: 10:12 /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 mi11:36:4929:179:2629:17
9:26
#24239
10K
6.21 mi12:05:4458:129:2228:55
9:19
#24134
15K
9.32 mi12:34:171:26:459:1928:33
9:12
#23945
20K
12.43 mi13:03:371:56:059:2129:20
9:27
#23829
HALF
13.11 mi13:09:592:02:279:216:22
9:21
#23825
25K
15.53 mi13:34:112:26:399:2724:12
9:59
#23915
30K
18.64 mi14:07:453:00:139:4133:34
10:49
#24107
20M
20.00 mi14:23:333:16:019:4915:48
11:38
#24304
21M
21.00 mi14:36:193:28:479:5712:46
12:46
#24460
35K
21.75 mi14:44:283:36:569:598:09
10:54
#24469
23M
23.00 mi14:58:583:51:2610:0414:30
11:36
#24566
24M
24.00 mi15:09:544:02:2210:0610:56
10:56
#24577
40K
24.85 mi15:19:454:12:1310:099:51
11:32
#24602
25.2M
25.20 mi15:24:114:16:3910:124:26
12:52
#24640
FINISH
26.22 mi15:35:114:27:3910:1311:00
10:48
#24697
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi242399789978923465(Top 81%)9392(Top 75%)9392(Top 3440%)
10K6.21 mi3.10 mi24134+1059719+709719+7023999(Top 83%)9662(Top 77%)9662(Top 3539%)
15K9.32 mi3.11 mi23945+1899627+929627+9223465(Top 81%)9392(Top 75%)9392(Top 3440%)
20K12.43 mi3.11 mi23829+1169569+589569+5823579(Top 81%)9487(Top 75%)9487(Top 3475%)
HALF13.11 mi0.68 mi23825+49570-19570-123949(Top 83%)9669(Top 77%)9669(Top 3542%)
25K15.53 mi2.42 mi23915-909628-589628-5824263(Top 84%)9853(Top 78%)9853(Top 3609%)
30K18.64 mi3.11 mi24107-1929753-1259753-12524951(Top 86%)10343(Top 82%)10343(Top 3789%)
20M20.00 mi1.36 mi24304-1979866-1139866-11325895(Top 89%)10926(Top 87%)10926(Top 4002%)
21M21.00 mi1.00 mi24460-1569965-999965-9926102(Top 90%)11067(Top 88%)11067(Top 4054%)
35K21.75 mi0.75 mi24469-99976-119976-1125093(Top 86%)10566(Top 84%)10566(Top 3870%)
23M23.00 mi1.25 mi24566-9710048-7210048-7225558(Top 88%)10850(Top 86%)10850(Top 3974%)
24M24.00 mi1.00 mi24577-1110066-1810066-1824988(Top 86%)10600(Top 84%)10600(Top 3883%)
40K24.85 mi0.85 mi24602-2510098-3210098-3225151(Top 87%)10708(Top 85%)10708(Top 3922%)
25.2M25.20 mi0.35 mi24640-3810129-3110129-3125864(Top 89%)11042(Top 88%)11042(Top 4045%)
FINISH26.22 mi1.02 mi24697-5710171-4210171-4225718(Top 89%)11011(Top 88%)11011(Top 4033%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21
+97ft-345ft

Overall

23465

Females

9392

F65-69

9392

5K→10K

3.1 - 6.2 mi

Top 83%
×5
+79ft-138ft

Overall

23999

Females

9662

F65-69

9662

10K→15K

6.2 - 9.3 mi

Top 81%
×3
+67ft-78ft

Overall

23465

Females

9392

F65-69

9392

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23579

Females

9487

F65-69

9487

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

23949

Females

9669

F65-69

9669

HALF→25K

13.1 - 15.5 mi

Top 84%
×4
+66ft-88ft

Overall

24263

Females

9853

F65-69

9853

25K→30K

15.5 - 18.6 mi

Top 86%
×9
+181ft-148ft

Overall

24951

Females

10343

F65-69

10343

30K→20M

18.6 - 20.0 mi

Top 89%
×5
+64ft-50ft

Overall

25895

Females

10926

F65-69

10926

20M→21M

20.0 - 21.0 mi

Top 90%
×8
+106ft-24ft

Overall

26102

Females

11067

F65-69

11067

21M→35K

21.0 - 21.8 mi

Top 86%
×7
+17ft-86ft

Overall

25093

Females

10566

F65-69

10566

35K→23M

21.8 - 23.0 mi

Top 88%
×5
+23ft-63ft

Overall

25558

Females

10850

F65-69

10850

23M→24M

23.0 - 24.0 mi

Top 86%
×6
+12ft-82ft

Overall

24988

Females

10600

F65-69

10600

24M→40K

24.0 - 24.9 mi

Top 87%
×1
+6ft-20ft

Overall

25151

Females

10708

F65-69

10708

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1
+13ft-16ft

Overall

25864

Females

11042

F65-69

11042

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
×2
+22ft-21ft

Overall

25718

Females

11011

F65-69

11011

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1135*
Passed By
1488
Net Change
-458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24239
5K → 10K268*163+105#24239#24134
10K → 15K262*73+189#24134#23945
15K → 20K19478+116#23945#23829
20K → HALF3127+4#23829#23825
HALF → 25K83173-90#23825#23915
25K → 30K93200-192#23915#24107
30K → 20M23200-197#24107#24304
20M → 21M20176-156#24304#24460
21M → 35K2938-9#24460#24469
35K → 23M28125-97#24469#24566
23M → 24M3849-11#24566#24577
24M → 40K4065-25#24577#24602
40K → 25.2M745-38#24602#24640
25.2M → FINISH1976-57#24640#24697
TOTALS1135*1488-458

* 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

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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