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BOSTON MARATHON 2026

Yijing Chen

Bib: 25046•F

OH

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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 (F55-59)
#0 / 951
Top 35%
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
27:21
3.11 mi
Rank: #21703
Start → 5K
27:21 | 8:49/mi
10K
53:37
6.21 mi
Rank: #20928 (+775)
5K → 10K
26:16 | 8:28/mi
15K
1:20:14
9.32 mi
Rank: #20777 (+151)
10K → 15K
26:37 | 8:35/mi
20K
1:47:03
12.43 mi
Rank: #20567 (+210)
15K → 20K
26:49 | 8:38/mi
HALF
1:52:56
13.11 mi
Rank: #20592 (-25)
20K → HALF
5:53 | 8:38/mi
25K
2:13:56
15.53 mi
Rank: #20402 (+190)
HALF → 25K
21:00 | 8:40/mi
30K
2:41:04
18.64 mi
Rank: #19984 (+418)
25K → 30K
27:08 | 8:45/mi
20M
2:53:05
20.00 mi
Rank: #19867 (+117)
30K → 20M
12:01 | 8:51/mi
21M
3:02:41
21.00 mi
Rank: #19810 (+57)
20M → 21M
9:36 | 9:36/mi
35K
3:09:24
21.75 mi
Rank: #19807 (+3)
21M → 35K
6:43 | 8:59/mi
23M
3:20:47
23.00 mi
Rank: #19776 (+31)
35K → 23M
11:23 | 9:06/mi
24M
3:29:40
24.00 mi
Rank: #19729 (+47)
23M → 24M
8:53 | 8:53/mi
40K
3:37:29
24.85 mi
Rank: #19710 (+19)
24M → 40K
7:49 | 9:09/mi
25.2M
3:40:56
25.20 mi
Rank: #19713 (-3)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:49:53
26.22 mi
Rank: #19716 (-3)
25.2M → FINISH
8:57 | 8:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:56
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:56:57
Pace8:56 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:2727:218:4927:21
8:49
-
10K
6.21 mi11:59:4353:378:3826:16
8:28
-0:21
15K
9.32 mi12:26:201:20:148:3726:37
8:35
+0:07
20K
12.43 mi12:53:091:47:038:3726:49
8:38
+0:03
HALF
13.11 mi12:59:021:52:568:375:53
8:38
0:00
25K
15.53 mi13:20:022:13:568:3821:00
8:40
+0:02
30K
18.64 mi13:47:102:41:048:3927:08
8:45
+0:05
20M
20.00 mi13:59:112:53:058:4012:01
8:51
+0:06
21M
21.00 mi14:08:473:02:418:429:36
9:36
+0:45
35K
21.75 mi14:15:303:09:248:436:43
8:59
-0:37
23M
23.00 mi14:26:533:20:478:4411:23
9:06
+0:07
24M
24.00 mi14:35:463:29:408:458:53
8:53
-0:13
40K
24.85 mi14:43:353:37:298:467:49
9:09
+0:16
25.2M
25.20 mi14:47:023:40:568:473:27
10:01
+0:52
FINISH
26.22 mi14:55:593:49:538:478:57
8:47
-1:14

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

8:28 /mi

Average Pace

8:46 /mi

Slowest Pace

10:01 /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

3:36:50

94% of race

Time at Steady Pace

9:36

4% of race

Time at Slower Pace

3:27

2% of race

Average Pace: 8:46 /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 mi11:33:2727:218:4927:21
8:49
#21703
10K
6.21 mi11:59:4353:378:3826:16
8:28
#20928
15K
9.32 mi12:26:201:20:148:3726:37
8:35
#20777
20K
12.43 mi12:53:091:47:038:3726:49
8:38
#20567
HALF
13.11 mi12:59:021:52:568:375:53
8:38
#20592
25K
15.53 mi13:20:022:13:568:3821:00
8:40
#20402
30K
18.64 mi13:47:102:41:048:3927:08
8:45
#19984
20M
20.00 mi13:59:112:53:058:4012:01
8:51
#19867
21M
21.00 mi14:08:473:02:418:429:36
9:36
#19810
35K
21.75 mi14:15:303:09:248:436:43
8:59
#19807
23M
23.00 mi14:26:533:20:478:4411:23
9:06
#19776
24M
24.00 mi14:35:463:29:408:458:53
8:53
#19729
40K
24.85 mi14:43:353:37:298:467:49
9:09
#19710
25.2M
25.20 mi14:47:023:40:568:473:27
10:01
#19713
FINISH
26.22 mi14:55:593:49:538:478:57
8:47
#19716
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi217038535853520499(Top 71%)7844(Top 62%)7844(Top 825%)
10K6.21 mi3.10 mi20928+7758108+4278108+42720122(Top 69%)7666(Top 61%)7666(Top 806%)
15K9.32 mi3.11 mi20777+1518026+828026+8220499(Top 71%)7844(Top 62%)7844(Top 825%)
20K12.43 mi3.11 mi20567+2107925+1017925+10120053(Top 69%)7658(Top 61%)7658(Top 805%)
HALF13.11 mi0.68 mi20592-257937-127937-1221009(Top 72%)8117(Top 65%)8117(Top 854%)
25K15.53 mi2.42 mi20402+1907837+1007837+10019516(Top 67%)7405(Top 59%)7405(Top 779%)
30K18.64 mi3.11 mi19984+4187643+1947643+19418227(Top 63%)6806(Top 54%)6806(Top 716%)
20M20.00 mi1.36 mi19867+1177601+427601+4218229(Top 63%)6895(Top 55%)6895(Top 725%)
21M21.00 mi1.00 mi19810+577588+137588+1318981(Top 65%)7320(Top 58%)7320(Top 770%)
35K21.75 mi0.75 mi19807+37594-67594-619968(Top 69%)7925(Top 63%)7925(Top 833%)
23M23.00 mi1.25 mi19776+317603-97603-918972(Top 65%)7455(Top 59%)7455(Top 784%)
24M24.00 mi1.00 mi19729+477592+117592+1118961(Top 65%)7503(Top 60%)7503(Top 789%)
40K24.85 mi0.85 mi19710+197588+47588+419061(Top 66%)7604(Top 60%)7604(Top 800%)
25.2M25.20 mi0.35 mi19713-37598-107598-1019470(Top 67%)7803(Top 62%)7803(Top 821%)
FINISH26.22 mi1.02 mi19716-37612-147612-1419586(Top 67%)7868(Top 63%)7868(Top 827%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20499

Females

7844

F55-59

7844

5K→10K

3.1 - 6.2 mi

Top 69%
×5
+79ft-138ft

Overall

20122

Females

7666

F55-59

7666

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20499

Females

7844

F55-59

7844

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20053

Females

7658

F55-59

7658

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

21009

Females

8117

F55-59

8117

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19516

Females

7405

F55-59

7405

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18227

Females

6806

F55-59

6806

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18229

Females

6895

F55-59

6895

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18981

Females

7320

F55-59

7320

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

19968

Females

7925

F55-59

7925

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18972

Females

7455

F55-59

7455

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18961

Females

7503

F55-59

7503

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19061

Females

7604

F55-59

7604

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19470

Females

7803

F55-59

7803

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19586

Females

7868

F55-59

7868

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2752
Passed By
765
Net Change
+1987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21703
5K → 10K85681+775#21703#20928
10K → 15K279128+151#20928#20777
15K → 20K27767+210#20777#20567
20K → HALF2449-25#20567#20592
HALF → 25K23545+190#20592#20402
25K → 30K43315+418#20402#19984
30K → 20M14326+117#19984#19867
20M → 21M11861+57#19867#19810
21M → 35K5249+3#19810#19807
35K → 23M9665+31#19807#19776
23M → 24M8538+47#19776#19729
24M → 40K6849+19#19729#19710
40K → 25.2M2326-3#19710#19713
25.2M → FINISH6366-3#19713#19716
TOTALS2752765+1987
📊

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