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BOSTON MARATHON 2023

Jian Ye

Bib: 8845•M

MA

Masters
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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Age Group (M50-54)
#0 / 2052
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

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· 3.11 mi
21:51
Rank: #6460
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
42:26
Rank: #5213 (+1247)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:03:24
Rank: #5023 (+190)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:24:51
Rank: #5110 (-87)
15K → 20K
21:27 | 6:54/mi
Half· 13.11 mi
1:29:28
Rank: #5114 (-4)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:46
Rank: #5399 (-285)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:10:56
Rank: #5967 (-568)
25K → 30K
24:10 | 7:47/mi
20M
2:22:30
Rank: #6379 (-412)
30K → 20M
11:34 | 8:31/mi
21M
2:31:55
Rank: #6786 (-407)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
2:38:08
Rank: #6959 (-173)
21M → 35K
6:13 | 8:19/mi
23M
2:49:17
Rank: #7407 (-448)
35K → 23M
11:09 | 8:54/mi
24M
2:58:03
Rank: #7780 (-373)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:06:01
Rank: #8192 (-412)
24M → 40K
7:58 | 9:19/mi
25.2M
3:09:47
Rank: #8457 (-265)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
3:19:02
Rank: #8893 (-436)
25.2M → Finish
9:15 | 9:05/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
Time1:29:28
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:49:34
Pace8:21 /mi
📊Positive Split: 22.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0121:517:0221:51
7:02
-
10K
6.21 mi11:08:3642:266:5020:35
6:38
-0:24
15K
9.32 mi11:29:341:03:246:4820:58
6:45
+0:07
20K
12.43 mi11:51:011:24:516:5021:27
6:54
+0:09
Half
13.11 mi11:55:381:29:286:494:37
6:46
-0:08
25K
15.53 mi12:12:561:46:466:5217:18
7:08
+0:22
30K
18.64 mi12:37:062:10:567:0124:10
7:47
+0:39
20M
20.00 mi12:48:402:22:307:0711:34
8:31
+0:44
21M
21.00 mi12:58:052:31:557:149:25
9:25
+0:54
35K
21.75 mi13:04:182:38:087:166:13
8:19
-1:06
23M
23.00 mi13:15:272:49:177:2211:09
8:54
+0:35
24M
24.00 mi13:24:132:58:037:258:46
8:46
-0:08
40K
24.85 mi13:32:113:06:017:297:58
9:19
+0:33
25.2M
25.20 mi13:35:573:09:477:323:46
10:55
+1:36
Finish
26.22 mi13:45:123:19:027:369:15
9:05
-1:50

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

6:38 /mi

Average Pace

7:36 /mi

Slowest Pace

10:55 /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

1:46:46

54% of race

Time at Steady Pace

1:01:52

31% of race

Time at Slower Pace

30:24

15% of race

Average Pace: 7:35 /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 mi10:48:0121:517:0221:51
7:02
#6460
10K
6.21 mi11:08:3642:266:5020:35
6:38
#5213
15K
9.32 mi11:29:341:03:246:4820:58
6:45
#5023
20K
12.43 mi11:51:011:24:516:5021:27
6:54
#5110
Half
13.11 mi11:55:381:29:286:494:37
6:46
#5114
25K
15.53 mi12:12:561:46:466:5217:18
7:08
#5399
30K
18.64 mi12:37:062:10:567:0124:10
7:47
#5967
20M
20.00 mi12:48:402:22:307:0711:34
8:31
#6379
21M
21.00 mi12:58:052:31:557:149:25
9:25
#6786
35K
21.75 mi13:04:182:38:087:166:13
8:19
#6959
23M
23.00 mi13:15:272:49:177:2211:09
8:54
#7407
24M
24.00 mi13:24:132:58:037:258:46
8:46
#7780
40K
24.85 mi13:32:113:06:017:297:58
9:19
#8192
25.2M
25.20 mi13:35:573:09:477:323:46
10:55
#8457
Finish
26.22 mi13:45:123:19:027:369:15
9:05
#8893
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6460585858584617(Top 17%)4313(Top 28%)4313(Top 210%)
10K6.21 mi3.10 mi5213+12474828+10304828+10303698(Top 14%)3494(Top 23%)3494(Top 170%)
15K9.32 mi3.11 mi5023+1904665+1634665+1634617(Top 17%)4313(Top 28%)4313(Top 210%)
20K12.43 mi3.11 mi5110-874742-774742-775389(Top 20%)4977(Top 33%)4977(Top 243%)
Half13.11 mi0.68 mi5114-44745-34745-35059(Top 19%)4691(Top 31%)4691(Top 229%)
25K15.53 mi2.42 mi5399-2854990-2454990-2456317(Top 24%)5665(Top 37%)5665(Top 276%)
30K18.64 mi3.11 mi5967-5685441-4515441-4519185(Top 35%)7378(Top 49%)7378(Top 360%)
20M20.00 mi1.36 mi6379-4125738-2975738-29713675(Top 51%)9427(Top 62%)9427(Top 459%)
21M21.00 mi1.00 mi6786-4076034-2966034-29615521(Top 58%)10130(Top 67%)10130(Top 494%)
35K21.75 mi0.75 mi6959-1736154-1206154-12014095(Top 53%)9450(Top 62%)9450(Top 461%)
23M23.00 mi1.25 mi7407-4486421-2676421-26715539(Top 58%)10041(Top 66%)10041(Top 489%)
24M24.00 mi1.00 mi7780-3736643-2226643-22215987(Top 60%)10155(Top 67%)10155(Top 495%)
40K24.85 mi0.85 mi8192-4126886-2436886-24317562(Top 66%)10817(Top 71%)10817(Top 527%)
25.2M25.20 mi0.35 mi8457-2657042-1567042-15620227(Top 76%)12016(Top 79%)12016(Top 586%)
Finish26.22 mi1.02 mi8893-4367281-2397281-23918327(Top 69%)11220(Top 74%)11220(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4617

Males

4313

M50-54

4313

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3698

Males

3494

M50-54

3494

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4617

Males

4313

M50-54

4313

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5389

Males

4977

M50-54

4977

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5059

Males

4691

M50-54

4691

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6317

Males

5665

M50-54

5665

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9185

Males

7378

M50-54

7378

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13675

Males

9427

M50-54

9427

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15521

Males

10130

M50-54

10130

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14095

Males

9450

M50-54

9450

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15539

Males

10041

M50-54

10041

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15987

Males

10155

M50-54

10155

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17562

Males

10817

M50-54

10817

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20227

Males

12016

M50-54

12016

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18327

Males

11220

M50-54

11220

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1722
Passed By
4155
Net Change
-2433
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6460
5K → 10K12547+1247#6460#5213
10K → 15K23040+190#5213#5023
15K → 20K81168-87#5023#5110
20K → Half2125-4#5110#5114
Half → 25K41326-285#5114#5399
25K → 30K28596-568#5399#5967
30K → 20M5417-412#5967#6379
20M → 21M9416-407#6379#6786
21M → 35K11184-173#6786#6959
35K → 23M19467-448#6959#7407
23M → 24M10383-373#7407#7780
24M → 40K7419-412#7780#8192
40K → 25.2M1266-265#8192#8457
25.2M → Finish5441-436#8457#8893
TOTALS17224155-2433
📊

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