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BOSTON MARATHON 2023

Qiang Zhang

Bib: 7269•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 39%
Masters (Masters Men)
#0 / 9891
Top 25%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:46
Rank: #6280
Start → 5K
21:46 | 7:00/mi
10K· 6.21 mi
43:34
Rank: #6567 (-287)
5K → 10K
21:48 | 7:01/mi
15K· 9.32 mi
1:05:27
Rank: #6638 (-71)
10K → 15K
21:53 | 7:03/mi
20K· 12.43 mi
1:28:00
Rank: #6808 (-170)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:32:49
Rank: #6821 (-13)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:50:34
Rank: #6878 (-57)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:14:19
Rank: #7017 (-139)
25K → 30K
23:45 | 7:39/mi
20M
2:24:53
Rank: #7072 (-55)
30K → 20M
10:34 | 7:47/mi
21M
2:33:01
Rank: #7089 (-17)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:38:15
Rank: #6997 (+92)
21M → 35K
5:14 | 7:00/mi
23M
2:47:32
Rank: #6899 (+98)
35K → 23M
9:17 | 7:25/mi
24M
2:54:47
Rank: #6832 (+67)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:01:06
Rank: #6757 (+75)
24M → 40K
6:19 | 7:23/mi
25.2M
3:03:54
Rank: #6746 (+11)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:11:23
Rank: #6731 (+15)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:49
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:38:34
Pace7:31 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4621:467:0021:46
7:00
-
10K
6.21 mi10:47:3443:347:0121:48
7:01
+0:01
15K
9.32 mi11:09:271:05:277:0121:53
7:03
+0:02
20K
12.43 mi11:32:001:28:007:0522:33
7:15
+0:12
Half
13.11 mi11:36:491:32:497:054:49
7:04
-0:11
25K
15.53 mi11:54:341:50:347:0717:45
7:19
+0:15
30K
18.64 mi12:18:192:14:197:1223:45
7:39
+0:20
20M
20.00 mi12:28:532:24:537:1510:34
7:47
+0:08
21M
21.00 mi12:37:012:33:017:178:08
8:08
+0:21
35K
21.75 mi12:42:152:38:157:175:14
7:00
-1:08
23M
23.00 mi12:51:322:47:327:179:17
7:25
+0:25
24M
24.00 mi12:58:472:54:477:177:15
7:15
-0:10
40K
24.85 mi13:05:063:01:067:176:19
7:23
+0:08
25.2M
25.20 mi13:07:543:03:547:182:48
8:07
+0:44
Finish
26.22 mi13:15:233:11:237:187:29
7:21
-0:46

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

7:00 /mi

Average Pace

7:18 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:53

89% of race

Time at Steady Pace

21:30

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:25:4621:467:0021:46
7:00
#6280
10K
6.21 mi10:47:3443:347:0121:48
7:01
#6567
15K
9.32 mi11:09:271:05:277:0121:53
7:03
#6638
20K
12.43 mi11:32:001:28:007:0522:33
7:15
#6808
Half
13.11 mi11:36:491:32:497:054:49
7:04
#6821
25K
15.53 mi11:54:341:50:347:0717:45
7:19
#6878
30K
18.64 mi12:18:192:14:197:1223:45
7:39
#7017
20M
20.00 mi12:28:532:24:537:1510:34
7:47
#7072
21M
21.00 mi12:37:012:33:017:178:08
8:08
#7089
35K
21.75 mi12:42:152:38:157:175:14
7:00
#6997
23M
23.00 mi12:51:322:47:327:179:17
7:25
#6899
24M
24.00 mi12:58:472:54:477:177:15
7:15
#6832
40K
24.85 mi13:05:063:01:067:176:19
7:23
#6757
25.2M
25.20 mi13:07:543:03:547:182:48
8:07
#6746
Finish
26.22 mi13:15:233:11:237:187:29
7:21
#6731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6280572157216823(Top 26%)6107(Top 40%)6107(Top 273%)
10K6.21 mi3.10 mi6567-2875924-2035924-2036935(Top 26%)6191(Top 41%)6191(Top 276%)
15K9.32 mi3.11 mi6638-715982-585982-586823(Top 26%)6107(Top 40%)6107(Top 273%)
20K12.43 mi3.11 mi6808-1706107-1256107-1257481(Top 28%)6546(Top 43%)6546(Top 292%)
Half13.11 mi0.68 mi6821-136116-96116-96892(Top 26%)6149(Top 41%)6149(Top 274%)
25K15.53 mi2.42 mi6878-576148-326148-327407(Top 28%)6419(Top 42%)6419(Top 286%)
30K18.64 mi3.11 mi7017-1396227-796227-798249(Top 31%)6833(Top 45%)6833(Top 305%)
20M20.00 mi1.36 mi7072-556259-326259-328633(Top 32%)6966(Top 46%)6966(Top 311%)
21M21.00 mi1.00 mi7089-176258+16258+18171(Top 31%)6569(Top 43%)6569(Top 293%)
35K21.75 mi0.75 mi6997+926182+766182+765332(Top 20%)4760(Top 31%)4760(Top 212%)
23M23.00 mi1.25 mi6899+986086+966086+965945(Top 22%)5152(Top 34%)5152(Top 230%)
24M24.00 mi1.00 mi6832+676018+686018+686032(Top 23%)5130(Top 34%)5130(Top 229%)
40K24.85 mi0.85 mi6757+755946+725946+725985(Top 22%)5009(Top 33%)5009(Top 224%)
25.2M25.20 mi0.35 mi6746+115932+145932+147146(Top 27%)5660(Top 37%)5660(Top 253%)
Finish26.22 mi1.02 mi6731+155907+255907+257382(Top 28%)5792(Top 38%)5792(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6823

Males

6107

M40-44

6107

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6935

Males

6191

M40-44

6191

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6823

Males

6107

M40-44

6107

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7481

Males

6546

M40-44

6546

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6892

Males

6149

M40-44

6149

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7407

Males

6419

M40-44

6419

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8249

Males

6833

M40-44

6833

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8633

Males

6966

M40-44

6966

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8171

Males

6569

M40-44

6569

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5332

Males

4760

M40-44

4760

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5945

Males

5152

M40-44

5152

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6032

Males

5130

M40-44

5130

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5985

Males

5009

M40-44

5009

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7146

Males

5660

M40-44

5660

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7382

Males

5792

M40-44

5792

Passing Analysis

Category:
Athletes Passed
959
Passed By
1410
Net Change
-451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6280
5K → 10K75362-287#6280#6567
10K → 15K82153-71#6567#6638
15K → 20K57227-170#6638#6808
20K → Half821-13#6808#6821
Half → 25K62119-57#6821#6878
25K → 30K74213-139#6878#7017
30K → 20M4196-55#7017#7072
20M → 21M5976-17#7072#7089
21M → 35K986+92#7089#6997
35K → 23M12527+98#6997#6899
23M → 24M9124+67#6899#6832
24M → 40K8914+75#6832#6757
40K → 25.2M3221+11#6757#6746
25.2M → Finish6651+15#6746#6731
TOTALS9591410-451
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing