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BOSTON MARATHON 2026

Young-Sook Kwon

Bib: 26213•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 15%
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
27:42
3.11 mi
Rank: #22242
Start → 5K
27:42 | 8:55/mi
10K
55:08
6.21 mi
Rank: #22161 (+81)
5K → 10K
27:26 | 8:50/mi
15K
1:23:28
9.32 mi
Rank: #22540 (-379)
10K → 15K
28:20 | 9:08/mi
20K
1:52:50
12.43 mi
Rank: #22853 (-313)
15K → 20K
29:22 | 9:28/mi
HALF
1:58:55
13.11 mi
Rank: #22829 (+24)
20K → HALF
6:05 | 8:56/mi
25K
2:21:46
15.53 mi
Rank: #22837 (-8)
HALF → 25K
22:51 | 9:26/mi
30K
2:52:01
18.64 mi
Rank: #22746 (+91)
25K → 30K
30:15 | 9:45/mi
20M
3:05:14
20.00 mi
Rank: #22648 (+98)
30K → 20M
13:13 | 9:44/mi
21M
3:15:59
21.00 mi
Rank: #22633 (+15)
20M → 21M
10:45 | 10:45/mi
35K
3:22:50
21.75 mi
Rank: #22564 (+69)
21M → 35K
6:51 | 9:10/mi
23M
3:34:46
23.00 mi
Rank: #22435 (+129)
35K → 23M
11:56 | 9:33/mi
24M
3:44:08
24.00 mi
Rank: #22374 (+61)
23M → 24M
9:22 | 9:22/mi
40K
3:52:29
24.85 mi
Rank: #22313 (+61)
24M → 40K
8:21 | 9:46/mi
25.2M
3:56:14
25.20 mi
Rank: #22312 (+1)
40K → 25.2M
3:45 | 10:53/mi
FINISH
4:06:11
26.22 mi
Rank: #22345 (-33)
25.2M → FINISH
9:57 | 9:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:55
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:07:16
Pace9:43 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:1727:428:5527:42
8:55
-
10K
6.21 mi12:03:4355:088:5327:26
8:50
-0:05
15K
9.32 mi12:32:031:23:288:5828:20
9:08
+0:18
20K
12.43 mi13:01:251:52:509:0529:22
9:28
+0:20
HALF
13.11 mi13:07:301:58:559:056:05
8:56
-0:32
25K
15.53 mi13:30:212:21:469:0822:51
9:26
+0:30
30K
18.64 mi14:00:362:52:019:1430:15
9:45
+0:19
20M
20.00 mi14:13:493:05:149:1613:13
9:44
-0:01
21M
21.00 mi14:24:343:15:599:2010:45
10:45
+1:01
35K
21.75 mi14:31:253:22:509:206:51
9:10
-1:35
23M
23.00 mi14:43:213:34:469:2111:56
9:33
+0:23
24M
24.00 mi14:52:433:44:089:219:22
9:22
-0:11
40K
24.85 mi15:01:043:52:299:228:21
9:46
+0:24
25.2M
25.20 mi15:04:493:56:149:233:45
10:53
+1:07
FINISH
26.22 mi15:14:464:06:119:249:57
9:46
-1:07

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

8:50 /mi

Average Pace

9:24 /mi

Slowest Pace

10:53 /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

1:36:24

39% of race

Time at Steady Pace

1:56:59

48% of race

Time at Slower Pace

32:48

13% of race

Average Pace: 9:23 /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 mi11:36:1727:428:5527:42
8:55
#22242
10K
6.21 mi12:03:4355:088:5327:26
8:50
#22161
15K
9.32 mi12:32:031:23:288:5828:20
9:08
#22540
20K
12.43 mi13:01:251:52:509:0529:22
9:28
#22853
HALF
13.11 mi13:07:301:58:559:056:05
8:56
#22829
25K
15.53 mi13:30:212:21:469:0822:51
9:26
#22837
30K
18.64 mi14:00:362:52:019:1430:15
9:45
#22746
20M
20.00 mi14:13:493:05:149:1613:13
9:44
#22648
21M
21.00 mi14:24:343:15:599:2010:45
10:45
#22633
35K
21.75 mi14:31:253:22:509:206:51
9:10
#22564
23M
23.00 mi14:43:213:34:469:2111:56
9:33
#22435
24M
24.00 mi14:52:433:44:089:219:22
9:22
#22374
40K
24.85 mi15:01:043:52:299:228:21
9:46
#22313
25.2M
25.20 mi15:04:493:56:149:233:45
10:53
#22312
FINISH
26.22 mi15:14:464:06:119:249:57
9:46
#22345
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 mi222428800880023214(Top 80%)9253(Top 74%)9253(Top 11423%)
10K6.21 mi3.10 mi22161+818754+468754+4622056(Top 76%)8684(Top 69%)8684(Top 10721%)
15K9.32 mi3.11 mi22540-3798924-1708924-17023214(Top 80%)9253(Top 74%)9253(Top 11423%)
20K12.43 mi3.11 mi22853-3139082-1589082-15823609(Top 81%)9498(Top 76%)9498(Top 11726%)
HALF13.11 mi0.68 mi22829+249066+169066+1622443(Top 77%)8885(Top 71%)8885(Top 10969%)
25K15.53 mi2.42 mi22837-89090-249090-2422794(Top 79%)9096(Top 72%)9096(Top 11230%)
30K18.64 mi3.11 mi22746+919067+239067+2322391(Top 77%)8973(Top 71%)8973(Top 11078%)
20M20.00 mi1.36 mi22648+989038+299038+2921820(Top 75%)8758(Top 70%)8758(Top 10812%)
21M21.00 mi1.00 mi22633+159045-79045-722539(Top 78%)9167(Top 73%)9167(Top 11317%)
35K21.75 mi0.75 mi22564+699013+329013+3220683(Top 71%)8287(Top 66%)8287(Top 10231%)
23M23.00 mi1.25 mi22435+1298969+448969+4420721(Top 71%)8323(Top 66%)8323(Top 10275%)
24M24.00 mi1.00 mi22374+618943+268943+2620887(Top 72%)8489(Top 67%)8489(Top 10480%)
40K24.85 mi0.85 mi22313+618930+138930+1321269(Top 73%)8726(Top 69%)8726(Top 10773%)
25.2M25.20 mi0.35 mi22312+18939-98939-922096(Top 76%)9134(Top 73%)9134(Top 11277%)
FINISH26.22 mi1.02 mi22345-338971-328971-3223201(Top 80%)9706(Top 77%)9706(Top 11983%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21
+97ft-345ft

Overall

23214

Females

9253

F70-74

9253

5K→10K

3.1 - 6.2 mi

Top 76%
×5
+79ft-138ft

Overall

22056

Females

8684

F70-74

8684

10K→15K

6.2 - 9.3 mi

Top 80%
×3
+67ft-78ft

Overall

23214

Females

9253

F70-74

9253

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23609

Females

9498

F70-74

9498

20K→HALF

12.4 - 13.1 mi

Top 77%
×2
+19ft-37ft

Overall

22443

Females

8885

F70-74

8885

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22794

Females

9096

F70-74

9096

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22391

Females

8973

F70-74

8973

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21820

Females

8758

F70-74

8758

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22539

Females

9167

F70-74

9167

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20683

Females

8287

F70-74

8287

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20721

Females

8323

F70-74

8323

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

20887

Females

8489

F70-74

8489

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21269

Females

8726

F70-74

8726

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22096

Females

9134

F70-74

9134

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23201

Females

9706

F70-74

9706

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1447*
Passed By
1104
Net Change
-103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22242
5K → 10K281*200+81#22242#22161
10K → 15K64200-379#22161#22540
15K → 20K90200-313#22540#22853
20K → HALF4521+24#22853#22829
HALF → 25K129137-8#22829#22837
25K → 30K207*116+91#22837#22746
30K → 20M12830+98#22746#22648
20M → 21M7257+15#22648#22633
21M → 35K8213+69#22633#22564
35K → 23M14516+129#22564#22435
23M → 24M7918+61#22435#22374
24M → 40K8524+61#22374#22313
40K → 25.2M1716+1#22313#22312
25.2M → FINISH2356-33#22312#22345
TOTALS1447*1104-103

* 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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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