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BOSTON MARATHON 2026

Yi-Jhe Chen

Bib: 29566•M

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
30:06
3.11 mi
Rank: #25047
Start → 5K
30:06 | 9:42/mi
10K
57:56
6.21 mi
Rank: #23994 (+1053)
5K → 10K
27:50 | 8:58/mi
15K
1:26:47
9.32 mi
Rank: #23956 (+38)
10K → 15K
28:51 | 9:18/mi
20K
1:55:33
12.43 mi
Rank: #23694 (+262)
15K → 20K
28:46 | 9:16/mi
HALF
2:01:58
13.11 mi
Rank: #23722 (-28)
20K → HALF
6:25 | 9:25/mi
25K
2:25:27
15.53 mi
Rank: #23653 (+69)
HALF → 25K
23:29 | 9:41/mi
30K
2:58:44
18.64 mi
Rank: #23884 (-231)
25K → 30K
33:17 | 10:43/mi
20M
3:13:47
20.00 mi
Rank: #23987 (-103)
30K → 20M
15:03 | 11:05/mi
21M
3:26:10
21.00 mi
Rank: #24113 (-126)
20M → 21M
12:23 | 12:23/mi
35K
3:33:53
21.75 mi
Rank: #24107 (+6)
21M → 35K
7:43 | 10:19/mi
23M
3:49:18
23.00 mi
Rank: #24323 (-216)
35K → 23M
15:25 | 12:20/mi
24M
4:00:42
24.00 mi
Rank: #24403 (-80)
23M → 24M
11:24 | 11:24/mi
40K
4:10:26
24.85 mi
Rank: #24413 (-10)
24M → 40K
9:44 | 11:24/mi
25.2M
4:14:48
25.20 mi
Rank: #24439 (-26)
40K → 25.2M
4:22 | 12:40/mi
FINISH
4:26:52
26.22 mi
Rank: #24620 (-181)
25.2M → FINISH
12:04 | 11:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:01:58
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:24:54
Pace11:04 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4030:069:4230:06
9:42
-
10K
6.21 mi12:21:3057:569:2027:50
8:58
-0:44
15K
9.32 mi12:50:211:26:479:1928:51
9:18
+0:20
20K
12.43 mi13:19:071:55:339:1828:46
9:16
-0:02
HALF
13.11 mi13:25:322:01:589:196:25
9:25
+0:09
25K
15.53 mi13:49:012:25:279:2223:29
9:41
+0:16
30K
18.64 mi14:22:182:58:449:3633:17
10:43
+1:02
20M
20.00 mi14:37:213:13:479:4215:03
11:05
+0:22
21M
21.00 mi14:49:443:26:109:5012:23
12:23
+1:18
35K
21.75 mi14:57:273:33:539:517:43
10:19
-2:04
23M
23.00 mi15:12:523:49:189:5915:25
12:20
+2:01
24M
24.00 mi15:24:164:00:4210:0211:24
11:24
-0:56
40K
24.85 mi15:34:004:10:2610:059:44
11:24
0:00
25.2M
25.20 mi15:38:224:14:4810:074:22
12:40
+1:16
FINISH
26.22 mi15:50:264:26:5210:1212:04
11:51
-0:49

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

8:58 /mi

Average Pace

10:11 /mi

Slowest Pace

12:40 /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

2:25:27

55% of race

Time at Steady Pace

56:03

21% of race

Time at Slower Pace

1:05:22

24% of race

Average Pace: 10:11 /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 mi11:53:4030:069:4230:06
9:42
#25047
10K
6.21 mi12:21:3057:569:2027:50
8:58
#23994
15K
9.32 mi12:50:211:26:479:1928:51
9:18
#23956
20K
12.43 mi13:19:071:55:339:1828:46
9:16
#23694
HALF
13.11 mi13:25:322:01:589:196:25
9:25
#23722
25K
15.53 mi13:49:012:25:279:2223:29
9:41
#23653
30K
18.64 mi14:22:182:58:449:3633:17
10:43
#23884
20M
20.00 mi14:37:213:13:479:4215:03
11:05
#23987
21M
21.00 mi14:49:443:26:109:5012:23
12:23
#24113
35K
21.75 mi14:57:273:33:539:517:43
10:19
#24107
23M
23.00 mi15:12:523:49:189:5915:25
12:20
#24323
24M
24.00 mi15:24:164:00:4210:0211:24
11:24
#24403
40K
24.85 mi15:34:004:10:2610:059:44
11:24
#24413
25.2M
25.20 mi15:38:224:14:4810:074:22
12:40
#24439
FINISH
26.22 mi15:50:264:26:5210:1212:04
11:51
#24620
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25047147501475023796(Top 82%)14153(Top 87%)14153(Top 247%)
10K6.21 mi3.10 mi23994+105314248+50214248+50222671(Top 78%)13595(Top 83%)13595(Top 238%)
15K9.32 mi3.11 mi23956+3814227+2114227+2123796(Top 82%)14153(Top 87%)14153(Top 247%)
20K12.43 mi3.11 mi23694+26214093+13414093+13422986(Top 79%)13729(Top 84%)13729(Top 240%)
HALF13.11 mi0.68 mi23722-2814108-1514108-1524128(Top 83%)14280(Top 87%)14280(Top 250%)
25K15.53 mi2.42 mi23653+6914061+4714061+4723514(Top 81%)13942(Top 85%)13942(Top 244%)
30K18.64 mi3.11 mi23884-23114154-9314154-9324745(Top 85%)14405(Top 88%)14405(Top 252%)
20M20.00 mi1.36 mi23987-10314191-3714191-3725068(Top 86%)14496(Top 89%)14496(Top 253%)
21M21.00 mi1.00 mi24113-12614238-4714238-4725609(Top 88%)14689(Top 90%)14689(Top 257%)
35K21.75 mi0.75 mi24107+614232+614232+623914(Top 82%)13885(Top 85%)13885(Top 243%)
23M23.00 mi1.25 mi24323-21614303-7114303-7126549(Top 91%)15100(Top 92%)15100(Top 264%)
24M24.00 mi1.00 mi24403-8014325-2214325-2225790(Top 89%)14700(Top 90%)14700(Top 257%)
40K24.85 mi0.85 mi24413-1014306+1914306+1924922(Top 86%)14238(Top 87%)14238(Top 249%)
25.2M25.20 mi0.35 mi24439-2614317-1114317-1125589(Top 88%)14583(Top 89%)14583(Top 255%)
FINISH26.22 mi1.02 mi24620-18114392-7514392-7527270(Top 94%)15403(Top 94%)15403(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23796

Males

14153

M18-39

14153

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22671

Males

13595

M18-39

13595

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23796

Males

14153

M18-39

14153

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22986

Males

13729

M18-39

13729

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24128

Males

14280

M18-39

14280

HALF→25K

13.1 - 15.5 mi

Top 81%
×4
+66ft-88ft

Overall

23514

Males

13942

M18-39

13942

25K→30K

15.5 - 18.6 mi

Top 85%
×9
+181ft-148ft

Overall

24745

Males

14405

M18-39

14405

30K→20M

18.6 - 20.0 mi

Top 86%
×5
+64ft-50ft

Overall

25068

Males

14496

M18-39

14496

20M→21M

20.0 - 21.0 mi

Top 88%
×8
+106ft-24ft

Overall

25609

Males

14689

M18-39

14689

21M→35K

21.0 - 21.8 mi

Top 82%
×7
+17ft-86ft

Overall

23914

Males

13885

M18-39

13885

35K→23M

21.8 - 23.0 mi

Top 91%
×5
+23ft-63ft

Overall

26549

Males

15100

M18-39

15100

23M→24M

23.0 - 24.0 mi

Top 89%
×6
+12ft-82ft

Overall

25790

Males

14700

M18-39

14700

24M→40K

24.0 - 24.9 mi

Top 86%
×1
+6ft-20ft

Overall

24922

Males

14238

M18-39

14238

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1
+13ft-16ft

Overall

25589

Males

14583

M18-39

14583

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27270

Males

15403

M18-39

15403

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1987
Passed By
1560
Net Change
+427
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25047
5K → 10K10596+1053#25047#23994
10K → 15K183145+38#23994#23956
15K → 20K29432+262#23956#23694
20K → HALF1543-28#23694#23722
HALF → 25K14172+69#23722#23653
25K → 30K71302-231#23653#23884
30K → 20M42145-103#23884#23987
20M → 21M26152-126#23987#24113
21M → 35K3630+6#24113#24107
35K → 23M22238-216#24107#24323
23M → 24M29109-80#24323#24403
24M → 40K5060-10#24403#24413
40K → 25.2M1137-26#24413#24439
25.2M → FINISH8189-181#24439#24620
TOTALS19871560+427
📊

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