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BOSTON MARATHON 2023

Chaoyang Fu

Bib: 8523•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M45-49)
#0 / 2252
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:26
Rank: #5548
Start → 5K
6:54/mi
21:26 split
10K· 6.21 mi
42:45
Rank: #5665 (-117)
5K → 10K
6:52/mi
21:19 split
15K· 9.32 mi
1:04:04
Rank: #5666 (-1)
10K → 15K
6:52/mi
21:19 split
20K· 12.43 mi
1:25:40
Rank: #5667 (-1)
15K → 20K
6:57/mi
21:36 split
Half· 13.11 mi
1:30:15
Rank: #5611 (+56)
20K → Half
6:43/mi
4:35 split
25K· 15.53 mi
1:48:02
Rank: #5934 (-323)
Half → 25K
7:20/mi
17:47 split
30K· 18.64 mi
2:11:17
Rank: #6076 (-142)
25K → 30K
7:29/mi
23:15 split
20M
2:21:26
Rank: #6070 (+6)
30K → 20M
7:28/mi
10:09 split
21M
2:29:19
Rank: #6065 (+5)
20M → 21M
7:53/mi
7:53 split
35K· 21.75 mi
2:35:07
Rank: #6160 (-95)
21M → 35K
7:45/mi
5:48 split
23M
2:44:27
Rank: #6102 (+58)
35K → 23M
7:27/mi
9:20 split
24M
2:51:44
Rank: #6057 (+45)
23M → 24M
7:17/mi
7:17 split
40K· 24.85 mi
2:58:05
Rank: #6018 (+39)
24M → 40K
7:26/mi
6:21 split
25.2M
3:00:51
Rank: #6006 (+12)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
3:07:58
Rank: #5924 (+82)
25.2M → Finish
6:59/mi
7:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:37:43
Pace7:27 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4321:266:5421:26
6:54
-
10K
6.21 mi11:08:0242:456:5321:19
6:52
-0:02
15K
9.32 mi11:29:211:04:046:5221:19
6:52
0:00
20K
12.43 mi11:50:571:25:406:5421:36
6:57
+0:05
Half
13.11 mi11:55:321:30:156:534:35
6:43
-0:14
25K
15.53 mi12:13:191:48:026:5717:47
7:20
+0:37
30K
18.64 mi12:36:342:11:177:0323:15
7:29
+0:09
20M
20.00 mi12:46:432:21:267:0410:09
7:28
-0:01
21M
21.00 mi12:54:362:29:197:077:53
7:53
+0:25
35K
21.75 mi13:00:242:35:077:085:48
7:45
-0:08
23M
23.00 mi13:09:442:44:277:099:20
7:27
-0:18
24M
24.00 mi13:17:012:51:447:097:17
7:17
-0:10
40K
24.85 mi13:23:222:58:057:106:21
7:26
+0:09
25.2M
25.20 mi13:26:083:00:517:112:46
8:01
+0:35
Finish
26.22 mi13:33:153:07:587:107:07
6:59
-1:02

Checkpoints & Pacing

📈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

6:43 /mi

Average Pace

7:10 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:26

65% of race

Time at Steady Pace

1:02:46

33% of race

Time at Slower Pace

2:46

1% of race

Average Pace: 7:10 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:46:4321:266:5421:26
6:54
#5548
10K
6.21 mi11:08:0242:456:5321:19
6:52
#5665
15K
9.32 mi11:29:211:04:046:5221:19
6:52
#5666
20K
12.43 mi11:50:571:25:406:5421:36
6:57
#5667
Half
13.11 mi11:55:321:30:156:534:35
6:43
#5611
25K
15.53 mi12:13:191:48:026:5717:47
7:20
#5934
30K
18.64 mi12:36:342:11:177:0323:15
7:29
#6076
20M
20.00 mi12:46:432:21:267:0410:09
7:28
#6070
21M
21.00 mi12:54:362:29:197:077:53
7:53
#6065
35K
21.75 mi13:00:242:35:077:085:48
7:45
#6160
23M
23.00 mi13:09:442:44:277:099:20
7:27
#6102
24M
24.00 mi13:17:012:51:447:097:17
7:17
#6057
40K
24.85 mi13:23:222:58:057:106:21
7:26
#6018
25.2M
25.20 mi13:26:083:00:517:112:46
8:01
#6006
Finish
26.22 mi13:33:153:07:587:107:07
6:59
#5924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5548511251125666(Top 21%)5203(Top 34%)5203(Top 231%)
10K6.21 mi3.10 mi5665-1175212-1005212-1005843(Top 22%)5336(Top 35%)5336(Top 237%)
15K9.32 mi3.11 mi5666-15208+45208+45666(Top 21%)5203(Top 34%)5203(Top 231%)
20K12.43 mi3.11 mi5667-15218-105218-105681(Top 21%)5212(Top 34%)5212(Top 231%)
Half13.11 mi0.68 mi5611+565171+475171+474590(Top 17%)4282(Top 28%)4282(Top 190%)
25K15.53 mi2.42 mi5934-3235429-2585429-2587485(Top 28%)6469(Top 43%)6469(Top 287%)
30K18.64 mi3.11 mi6076-1425522-935522-937090(Top 27%)6125(Top 40%)6125(Top 272%)
20M20.00 mi1.36 mi6070+65507+155507+156566(Top 25%)5685(Top 37%)5685(Top 252%)
21M21.00 mi1.00 mi6065+55491+165491+166621(Top 25%)5621(Top 37%)5621(Top 250%)
35K21.75 mi0.75 mi6160-955556-655556-6510233(Top 38%)7726(Top 51%)7726(Top 343%)
23M23.00 mi1.25 mi6102+585498+585498+586156(Top 23%)5285(Top 35%)5285(Top 235%)
24M24.00 mi1.00 mi6057+455451+475451+476237(Top 23%)5234(Top 34%)5234(Top 232%)
40K24.85 mi0.85 mi6018+395414+375414+376221(Top 23%)5156(Top 34%)5156(Top 229%)
25.2M25.20 mi0.35 mi6006+125399+155399+156563(Top 25%)5289(Top 35%)5289(Top 235%)
Finish26.22 mi1.02 mi5924+825326+735326+735106(Top 19%)4341(Top 29%)4341(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5666

Males

5203

M45-49

5203

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5843

Males

5336

M45-49

5336

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5666

Males

5203

M45-49

5203

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5681

Males

5212

M45-49

5212

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4590

Males

4282

M45-49

4282

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7485

Males

6469

M45-49

6469

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7090

Males

6125

M45-49

6125

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6566

Males

5685

M45-49

5685

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6621

Males

5621

M45-49

5621

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10233

Males

7726

M45-49

7726

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6156

Males

5285

M45-49

5285

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6237

Males

5234

M45-49

5234

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6221

Males

5156

M45-49

5156

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6563

Males

5289

M45-49

5289

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5106

Males

4341

M45-49

4341

Passing Analysis

Category:
Athletes Passed
1022
Passed By
1398
Net Change
-376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5548
5K → 10K152269-117#5548#5665
10K → 15K110111-1#5665#5666
15K → 20K110111-1#5666#5667
20K → Half604+56#5667#5611
Half → 25K16339-323#5611#5934
25K → 30K83225-142#5934#6076
30K → 20M6357+6#6076#6070
20M → 21M5853+5#6070#6065
21M → 35K10105-95#6065#6160
35K → 23M9436+58#6160#6102
23M → 24M7732+45#6102#6057
24M → 40K6223+39#6057#6018
40K → 25.2M2210+12#6018#6006
25.2M → Finish10523+82#6006#5924
TOTALS10221398-376
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing