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BOSTON MARATHON 2026

Seunglan Yang

Bib: 21216•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 (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
25:25
3.11 mi
Rank: #18119
Start → 5K
25:25 | 8:11/mi
10K
51:13
6.21 mi
Rank: #18668 (-549)
5K → 10K
25:48 | 8:19/mi
15K
1:16:37
9.32 mi
Rank: #18523 (+145)
10K → 15K
25:24 | 8:11/mi
20K
1:43:34
12.43 mi
Rank: #18969 (-446)
15K → 20K
26:57 | 8:41/mi
HALF
1:49:27
13.11 mi
Rank: #19087 (-118)
20K → HALF
5:53 | 8:38/mi
25K
2:11:20
15.53 mi
Rank: #19472 (-385)
HALF → 25K
21:53 | 9:02/mi
30K
2:41:58
18.64 mi
Rank: #20261 (-789)
25K → 30K
30:38 | 9:52/mi
20M
2:54:41
20.00 mi
Rank: #20297 (-36)
30K → 20M
12:43 | 9:22/mi
21M
3:04:48
21.00 mi
Rank: #20339 (-42)
20M → 21M
10:07 | 10:07/mi
35K
3:11:26
21.75 mi
Rank: #20317 (+22)
21M → 35K
6:38 | 8:52/mi
23M
3:21:59
23.00 mi
Rank: #20068 (+249)
35K → 23M
10:33 | 8:26/mi
24M
3:30:14
24.00 mi
Rank: #19847 (+221)
23M → 24M
8:15 | 8:15/mi
40K
3:37:23
24.85 mi
Rank: #19690 (+157)
24M → 40K
7:09 | 8:22/mi
25.2M
3:40:42
25.20 mi
Rank: #19654 (+36)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:48:52
26.22 mi
Rank: #19506 (+148)
25.2M → FINISH
8:10 | 8:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:59:25
Pace9:07 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5625:258:1125:25
8:11
-
10K
6.21 mi11:37:4451:138:1525:48
8:19
+0:08
15K
9.32 mi12:03:081:16:378:1425:24
8:11
-0:08
20K
12.43 mi12:30:051:43:348:2126:57
8:41
+0:30
HALF
13.11 mi12:35:581:49:278:215:53
8:38
-0:03
25K
15.53 mi12:57:512:11:208:2821:53
9:02
+0:24
30K
18.64 mi13:28:292:41:588:4230:38
9:52
+0:50
20M
20.00 mi13:41:122:54:418:4512:43
9:22
-0:30
21M
21.00 mi13:51:193:04:488:4910:07
10:07
+0:45
35K
21.75 mi13:57:573:11:268:496:38
8:52
-1:15
23M
23.00 mi14:08:303:21:598:4710:33
8:26
-0:26
24M
24.00 mi14:16:453:30:148:468:15
8:15
-0:11
40K
24.85 mi14:23:543:37:238:457:09
8:22
+0:07
25.2M
25.20 mi14:27:133:40:428:463:19
9:38
+1:16
FINISH
26.22 mi14:35:233:48:528:458:10
8:01
-1:37

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

8:01 /mi

Average Pace

8:44 /mi

Slowest Pace

10:07 /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

1:07:14

29% of race

Time at Steady Pace

1:22:58

36% of race

Time at Slower Pace

1:18:40

34% of race

Average Pace: 8:44 /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 mi11:11:5625:258:1125:25
8:11
#18119
10K
6.21 mi11:37:4451:138:1525:48
8:19
#18668
15K
9.32 mi12:03:081:16:378:1425:24
8:11
#18523
20K
12.43 mi12:30:051:43:348:2126:57
8:41
#18969
HALF
13.11 mi12:35:581:49:278:215:53
8:38
#19087
25K
15.53 mi12:57:512:11:208:2821:53
9:02
#19472
30K
18.64 mi13:28:292:41:588:4230:38
9:52
#20261
20M
20.00 mi13:41:122:54:418:4512:43
9:22
#20297
21M
21.00 mi13:51:193:04:488:4910:07
10:07
#20339
35K
21.75 mi13:57:573:11:268:496:38
8:52
#20317
23M
23.00 mi14:08:303:21:598:4710:33
8:26
#20068
24M
24.00 mi14:16:453:30:148:468:15
8:15
#19847
40K
24.85 mi14:23:543:37:238:457:09
8:22
#19690
25.2M
25.20 mi14:27:133:40:428:463:19
9:38
#19654
FINISH
26.22 mi14:35:233:48:528:458:10
8:01
#19506
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 mi181196574657418205(Top 63%)6582(Top 52%)6582(Top 534%)
10K6.21 mi3.10 mi18668-5496870-2966870-29619214(Top 66%)7144(Top 57%)7144(Top 579%)
15K9.32 mi3.11 mi18523+1456770+1006770+10018205(Top 63%)6582(Top 52%)6582(Top 534%)
20K12.43 mi3.11 mi18969-4467046-2767046-27620308(Top 70%)7791(Top 62%)7791(Top 632%)
HALF13.11 mi0.68 mi19087-1187107-617107-6121004(Top 72%)8112(Top 64%)8112(Top 658%)
25K15.53 mi2.42 mi19472-3857333-2267333-22621292(Top 73%)8314(Top 66%)8314(Top 674%)
30K18.64 mi3.11 mi20261-7897793-4607793-46022744(Top 78%)9147(Top 73%)9147(Top 742%)
20M20.00 mi1.36 mi20297-367827-347827-3420515(Top 71%)8088(Top 64%)8088(Top 656%)
21M21.00 mi1.00 mi20339-427862-357862-3520817(Top 72%)8278(Top 66%)8278(Top 671%)
35K21.75 mi0.75 mi20317+227852+107852+1019491(Top 67%)7692(Top 61%)7692(Top 624%)
23M23.00 mi1.25 mi20068+2497740+1127740+11215304(Top 53%)5439(Top 43%)5439(Top 441%)
24M24.00 mi1.00 mi19847+2217662+787662+7815436(Top 53%)5585(Top 44%)5585(Top 453%)
40K24.85 mi0.85 mi19690+1577578+847578+8414906(Top 51%)5397(Top 43%)5397(Top 438%)
25.2M25.20 mi0.35 mi19654+367563+157563+1517961(Top 62%)7024(Top 56%)7024(Top 570%)
FINISH26.22 mi1.02 mi19506+1487498+657498+6515309(Top 53%)5606(Top 45%)5606(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18205

Females

6582

F50-54

6582

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19214

Females

7144

F50-54

7144

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18205

Females

6582

F50-54

6582

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20308

Females

7791

F50-54

7791

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

21004

Females

8112

F50-54

8112

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21292

Females

8314

F50-54

8314

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22744

Females

9147

F50-54

9147

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20515

Females

8088

F50-54

8088

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20817

Females

8278

F50-54

8278

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19491

Females

7692

F50-54

7692

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15304

Females

5439

F50-54

5439

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15436

Females

5585

F50-54

5585

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14906

Females

5397

F50-54

5397

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17961

Females

7024

F50-54

7024

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15309

Females

5606

F50-54

5606

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1546
Passed By
2933
Net Change
-1387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18119
5K → 10K99648-549#18119#18668
10K → 15K247102+145#18668#18523
15K → 20K54500-446#18523#18969
20K → HALF12130-118#18969#19087
HALF → 25K46431-385#19087#19472
25K → 30K61850-789#19472#20261
30K → 20M71107-36#20261#20297
20M → 21M69111-42#20297#20339
21M → 35K4927+22#20339#20317
35K → 23M2501+249#20317#20068
23M → 24M2221+221#20068#19847
24M → 40K1592+157#19847#19690
40K → 25.2M4913+36#19690#19654
25.2M → FINISH15810+148#19654#19506
TOTALS15462933-1387
📊

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