All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Yun Jae Chun

Bib: 22497•F

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
27:57
3.11 mi
Rank: #22649
Start → 5K
27:57 | 9:00/mi
10K
55:37
6.21 mi
Rank: #22505 (+144)
5K → 10K
27:40 | 8:55/mi
15K
1:25:41
9.32 mi
Rank: #23520 (-1015)
10K → 15K
30:04 | 9:41/mi
20K
1:54:26
12.43 mi
Rank: #23388 (+132)
15K → 20K
28:45 | 9:16/mi
HALF
2:00:51
13.11 mi
Rank: #23440 (-52)
20K → HALF
6:25 | 9:25/mi
25K
2:23:43
15.53 mi
Rank: #23303 (+137)
HALF → 25K
22:52 | 9:26/mi
30K
2:53:58
18.64 mi
Rank: #23114 (+189)
25K → 30K
30:15 | 9:45/mi
20M
3:06:39
20.00 mi
Rank: #22896 (+218)
30K → 20M
12:41 | 9:21/mi
21M
3:16:03
21.00 mi
Rank: #22644 (+252)
20M → 21M
9:24 | 9:24/mi
35K
3:22:37
21.75 mi
Rank: #22521 (+123)
21M → 35K
6:34 | 8:47/mi
23M
3:33:47
23.00 mi
Rank: #22289 (+232)
35K → 23M
11:10 | 8:56/mi
24M
3:42:11
24.00 mi
Rank: #22071 (+218)
23M → 24M
8:24 | 8:24/mi
40K
3:49:21
24.85 mi
Rank: #21910 (+161)
24M → 40K
7:10 | 8:23/mi
25.2M
3:52:24
25.20 mi
Rank: #21819 (+91)
40K → 25.2M
3:03 | 8:51/mi
FINISH
4:00:50
26.22 mi
Rank: #21695 (+124)
25.2M → FINISH
8:26 | 8:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time2:00:51
Pace9:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:59:59
Pace9:10 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:2727:579:0027:57
9:00
-
10K
6.21 mi11:58:0755:378:5827:40
8:55
-0:05
15K
9.32 mi12:28:111:25:419:1230:04
9:41
+0:46
20K
12.43 mi12:56:561:54:269:1328:45
9:16
-0:25
HALF
13.11 mi13:03:212:00:519:146:25
9:25
+0:09
25K
15.53 mi13:26:132:23:439:1622:52
9:26
+0:01
30K
18.64 mi13:56:282:53:589:2030:15
9:45
+0:19
20M
20.00 mi14:09:093:06:399:2012:41
9:21
-0:24
21M
21.00 mi14:18:333:16:039:219:24
9:24
+0:03
35K
21.75 mi14:25:073:22:379:196:34
8:47
-0:37
23M
23.00 mi14:36:173:33:479:1811:10
8:56
+0:09
24M
24.00 mi14:44:413:42:119:168:24
8:24
-0:32
40K
24.85 mi14:51:513:49:219:147:10
8:23
-0:01
25.2M
25.20 mi14:54:543:52:249:143:03
8:51
+0:28
FINISH
26.22 mi15:03:204:00:509:128:26
8:17
-0:34

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

8:17 /mi

Average Pace

9:12 /mi

Slowest Pace

9:45 /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

1:40:24

42% of race

Time at Steady Pace

2:20:26

58% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:11 /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 mi11:30:2727:579:0027:57
9:00
#22649
10K
6.21 mi11:58:0755:378:5827:40
8:55
#22505
15K
9.32 mi12:28:111:25:419:1230:04
9:41
#23520
20K
12.43 mi12:56:561:54:269:1328:45
9:16
#23388
HALF
13.11 mi13:03:212:00:519:146:25
9:25
#23440
25K
15.53 mi13:26:132:23:439:1622:52
9:26
#23303
30K
18.64 mi13:56:282:53:589:2030:15
9:45
#23114
20M
20.00 mi14:09:093:06:399:2012:41
9:21
#22896
21M
21.00 mi14:18:333:16:039:219:24
9:24
#22644
35K
21.75 mi14:25:073:22:379:196:34
8:47
#22521
23M
23.00 mi14:36:173:33:479:1811:10
8:56
#22289
24M
24.00 mi14:44:413:42:119:168:24
8:24
#22071
40K
24.85 mi14:51:513:49:219:147:10
8:23
#21910
25.2M
25.20 mi14:54:543:52:249:143:03
8:51
#21819
FINISH
26.22 mi15:03:204:00:509:128:26
8:17
#21695
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi226498997899724898(Top 86%)10123(Top 80%)10123(Top 821%)
10K6.21 mi3.10 mi22505+1448916+818916+8122422(Top 77%)8864(Top 70%)8864(Top 719%)
15K9.32 mi3.11 mi23520-10159418-5029418-50224898(Top 86%)10123(Top 80%)10123(Top 821%)
20K12.43 mi3.11 mi23388+1329354+649354+6422968(Top 79%)9158(Top 73%)9158(Top 743%)
HALF13.11 mi0.68 mi23440-529382-289382-2824144(Top 83%)9754(Top 78%)9754(Top 791%)
25K15.53 mi2.42 mi23303+1379330+529330+5222812(Top 79%)9104(Top 72%)9104(Top 738%)
30K18.64 mi3.11 mi23114+1899275+559275+5522387(Top 77%)8969(Top 71%)8969(Top 727%)
20M20.00 mi1.36 mi22896+2189163+1129163+11220436(Top 70%)8053(Top 64%)8053(Top 653%)
21M21.00 mi1.00 mi22644+2529053+1109053+11018107(Top 62%)6858(Top 55%)6858(Top 556%)
35K21.75 mi0.75 mi22521+1238988+658988+6519058(Top 66%)7481(Top 59%)7481(Top 607%)
23M23.00 mi1.25 mi22289+2328884+1048884+10418155(Top 63%)7049(Top 56%)7049(Top 572%)
24M24.00 mi1.00 mi22071+2188790+948790+9416372(Top 56%)6122(Top 49%)6122(Top 497%)
40K24.85 mi0.85 mi21910+1618716+748716+7415018(Top 52%)5459(Top 43%)5459(Top 443%)
25.2M25.20 mi0.35 mi21819+918674+428674+4213930(Top 48%)4905(Top 39%)4905(Top 398%)
FINISH26.22 mi1.02 mi21695+1248612+628612+6216938(Top 58%)6488(Top 52%)6488(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21
+97ft-345ft

Overall

24898

Females

10123

F50-54

10123

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22422

Females

8864

F50-54

8864

10K→15K

6.2 - 9.3 mi

Top 86%
×3
+67ft-78ft

Overall

24898

Females

10123

F50-54

10123

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22968

Females

9158

F50-54

9158

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24144

Females

9754

F50-54

9754

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22812

Females

9104

F50-54

9104

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22387

Females

8969

F50-54

8969

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20436

Females

8053

F50-54

8053

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

18107

Females

6858

F50-54

6858

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19058

Females

7481

F50-54

7481

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18155

Females

7049

F50-54

7049

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16372

Females

6122

F50-54

6122

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15018

Females

5459

F50-54

5459

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1
+13ft-16ft

Overall

13930

Females

4905

F50-54

4905

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16938

Females

6488

F50-54

6488

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2461*
Passed By
682
Net Change
+954
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22649
5K → 10K339*195+144#22649#22505
10K → 15K10200-1015#22505#23520
15K → 20K220*88+132#23520#23388
20K → HALF1365-52#23388#23440
HALF → 25K18952+137#23440#23303
25K → 30K249*60+189#23303#23114
30K → 20M223*5+218#23114#22896
20M → 21M252*0+252#22896#22644
21M → 35K1263+123#22644#22521
35K → 23M238*6+232#22521#22289
23M → 24M218*0+218#22289#22071
24M → 40K1610+161#22071#21910
40K → 25.2M921+91#21910#21819
25.2M → FINISH1317+124#21819#21695
TOTALS2461*682+954

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing