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BOSTON MARATHON 2026

Youngsin Cho

Bib: 10376β€’F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 38%
Gender (Female)
#0 / 12578
Top 22%
Masters (Masters Women)
#0 / 6862
Top 8%
Age Group (F40-44)
#0 / 1737
Top 19%
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
22:36
3.11 mi
Rank: #10836
Start β†’ 5K
22:36 | 7:17/mi
10K
45:16
6.21 mi
Rank: #10960 (-124)
5K β†’ 10K
22:40 | 7:18/mi
15K
1:08:01
9.32 mi
Rank: #11019 (-59)
10K β†’ 15K
22:45 | 7:20/mi
20K
1:31:22
12.43 mi
Rank: #11311 (-292)
15K β†’ 20K
23:21 | 7:31/mi
HALF
1:36:28
13.11 mi
Rank: #11383 (-72)
20K β†’ HALF
5:06 | 7:29/mi
25K
1:55:01
15.53 mi
Rank: #11594 (-211)
HALF β†’ 25K
18:33 | 7:39/mi
30K
2:19:08
18.64 mi
Rank: #11583 (+11)
25K β†’ 30K
24:07 | 7:46/mi
20M
2:29:47
20.00 mi
Rank: #11560 (+23)
30K β†’ 20M
10:39 | 7:51/mi
21M
2:37:58
21.00 mi
Rank: #11492 (+68)
20M β†’ 21M
8:11 | 8:11/mi
35K
2:43:38
21.75 mi
Rank: #11461 (+31)
21M β†’ 35K
5:40 | 7:35/mi
23M
2:53:18
23.00 mi
Rank: #11368 (+93)
35K β†’ 23M
9:40 | 7:44/mi
24M
3:00:57
24.00 mi
Rank: #11297 (+71)
23M β†’ 24M
7:39 | 7:39/mi
40K
3:07:32
24.85 mi
Rank: #11227 (+70)
24M β†’ 40K
6:35 | 7:42/mi
25.2M
3:10:24
25.20 mi
Rank: #11208 (+19)
40K β†’ 25.2M
2:52 | 8:19/mi
FINISH
3:18:00
26.22 mi
Rank: #11171 (+37)
25.2M β†’ FINISH
7:36 | 7:28/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:28
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
πŸ“ŠPositive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4322:367:1722:36
7:17
-
10K
6.21 mi11:15:2345:167:1822:40
7:18
+0:01
15K
9.32 mi11:38:081:08:017:1822:45
7:20
+0:02
20K
12.43 mi12:01:291:31:227:2223:21
7:31
+0:11
HALF
13.11 mi12:06:351:36:287:225:06
7:29
-0:02
25K
15.53 mi12:25:081:55:017:2518:33
7:39
+0:10
30K
18.64 mi12:49:152:19:087:2824:07
7:46
+0:07
20M
20.00 mi12:59:542:29:477:3010:39
7:51
+0:05
21M
21.00 mi13:08:052:37:587:328:11
8:11
+0:20
35K
21.75 mi13:13:452:43:387:325:40
7:35
-0:36
23M
23.00 mi13:23:252:53:187:339:40
7:44
+0:09
24M
24.00 mi13:31:043:00:577:337:39
7:39
-0:05
40K
24.85 mi13:37:393:07:327:336:35
7:42
+0:03
25.2M
25.20 mi13:40:313:10:247:342:52
8:19
+0:37
FINISH
26.22 mi13:48:073:18:007:347:36
7:28
-0:51

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

7:17 /mi

Average Pace

7:33 /mi

Slowest Pace

8:19 /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

3:06:57

94% of race

Time at Steady Pace

11:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:52:4322:367:1722:36
7:17
#10836
10K
6.21 mi11:15:2345:167:1822:40
7:18
#10960
15K
9.32 mi11:38:081:08:017:1822:45
7:20
#11019
20K
12.43 mi12:01:291:31:227:2223:21
7:31
#11311
HALF
13.11 mi12:06:351:36:287:225:06
7:29
#11383
25K
15.53 mi12:25:081:55:017:2518:33
7:39
#11594
30K
18.64 mi12:49:152:19:087:2824:07
7:46
#11583
20M
20.00 mi12:59:542:29:477:3010:39
7:51
#11560
21M
21.00 mi13:08:052:37:587:328:11
8:11
#11492
35K
21.75 mi13:13:452:43:387:325:40
7:35
#11461
23M
23.00 mi13:23:252:53:187:339:40
7:44
#11368
24M
24.00 mi13:31:043:00:577:337:39
7:39
#11297
40K
24.85 mi13:37:393:07:327:336:35
7:42
#11227
25.2M
25.20 mi13:40:313:10:247:342:52
8:19
#11208
FINISH
26.22 mi13:48:073:18:007:347:36
7:28
#11171
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi108362293229311281(Top 39%)2628(Top 21%)2628(Top 151%)
10K6.21 mi3.10 mi10960-1242372-792372-7911131(Top 38%)2504(Top 20%)2504(Top 144%)
15K9.32 mi3.11 mi11019-592433-612433-6111281(Top 39%)2628(Top 21%)2628(Top 151%)
20K12.43 mi3.11 mi11311-2922623-1902623-19012114(Top 42%)3168(Top 25%)3168(Top 182%)
HALF13.11 mi0.68 mi11383-722666-432666-4312885(Top 44%)3506(Top 28%)3506(Top 202%)
25K15.53 mi2.42 mi11594-2112810-1442810-14412625(Top 44%)3500(Top 28%)3500(Top 201%)
30K18.64 mi3.11 mi11583+112851-412851-4111697(Top 40%)3141(Top 25%)3141(Top 181%)
20M20.00 mi1.36 mi11560+232856-52856-511661(Top 40%)3229(Top 26%)3229(Top 186%)
21M21.00 mi1.00 mi11492+682834+222834+2211111(Top 38%)3039(Top 24%)3039(Top 175%)
35K21.75 mi0.75 mi11461+312831+32831+311415(Top 39%)3215(Top 26%)3215(Top 185%)
23M23.00 mi1.25 mi11368+932822+92822+910479(Top 36%)2847(Top 23%)2847(Top 164%)
24M24.00 mi1.00 mi11297+712803+192803+1911213(Top 39%)3277(Top 26%)3277(Top 189%)
40K24.85 mi0.85 mi11227+702803280310345(Top 36%)2919(Top 23%)2919(Top 168%)
25.2M25.20 mi0.35 mi11208+192800+32800+310473(Top 36%)3053(Top 24%)3053(Top 176%)
FINISH26.22 mi1.02 mi11171+372816-162816-1611120(Top 38%)3406(Top 27%)3406(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
Γ—21
+97ft-345ft

Overall

11281

Females

2628

F40-44

2628

5K→10K

3.1 - 6.2 mi

Top 38%
Γ—5
+79ft-138ft

Overall

11131

Females

2504

F40-44

2504

10K→15K

6.2 - 9.3 mi

Top 39%
Γ—3
+67ft-78ft

Overall

11281

Females

2628

F40-44

2628

15K→20K

9.3 - 12.4 mi

Top 42%
Γ—5
+106ft-86ft

Overall

12114

Females

3168

F40-44

3168

20K→HALF

12.4 - 13.1 mi

Top 44%
Γ—2
+19ft-37ft

Overall

12885

Females

3506

F40-44

3506

HALF→25K

13.1 - 15.5 mi

Top 44%
Γ—4
+66ft-88ft

Overall

12625

Females

3500

F40-44

3500

25K→30K

15.5 - 18.6 mi

Top 40%
Γ—9
+181ft-148ft

Overall

11697

Females

3141

F40-44

3141

30K→20M

18.6 - 20.0 mi

Top 40%
Γ—5
+64ft-50ft

Overall

11661

Females

3229

F40-44

3229

20M→21M

20.0 - 21.0 mi

Top 38%
Γ—8
+106ft-24ft

Overall

11111

Females

3039

F40-44

3039

21M→35K

21.0 - 21.8 mi

Top 39%
Γ—7
+17ft-86ft

Overall

11415

Females

3215

F40-44

3215

35K→23M

21.8 - 23.0 mi

Top 36%
Γ—5
+23ft-63ft

Overall

10479

Females

2847

F40-44

2847

23M→24M

23.0 - 24.0 mi

Top 39%
Γ—6
+12ft-82ft

Overall

11213

Females

3277

F40-44

3277

24M→40K

24.0 - 24.9 mi

Top 36%
Γ—1
+6ft-20ft

Overall

10345

Females

2919

F40-44

2919

40K→25.2M

24.9 - 25.2 mi

Top 36%
Γ—1
+13ft-16ft

Overall

10473

Females

3053

F40-44

3053

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
Γ—2
+22ft-21ft

Overall

11120

Females

3406

F40-44

3406

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1486
Passed By
1820
Net Change
-335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#10836
5K β†’ 10K183306-124#10836#10960
10K β†’ 15K148207-59#10960#11019
15K β†’ 20K66358-292#11019#11311
20K β†’ HALF1385-72#11311#11383
HALF β†’ 25K73284-211#11383#11594
25K β†’ 30K201190+11#11594#11583
30K β†’ 20M10178+23#11583#11560
20M β†’ 21M12153+68#11560#11492
21M β†’ 35K7544+31#11492#11461
35K β†’ 23M14653+93#11461#11368
23M β†’ 24M11847+71#11368#11297
24M β†’ 40K10535+70#11297#11227
40K β†’ 25.2M4324+19#11227#11208
25.2M β†’ FINISH9356+37#11208#11171
TOTALS14861820-335
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing