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BOSTON MARATHON 2023

Cheng Nie

Bib: 1734•M

IA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #1994
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
39:55
Rank: #2111 (-117)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
59:59
Rank: #2177 (-66)
10K → 15K
20:04 | 6:28/mi
20K· 12.43 mi
1:20:51
Rank: #2482 (-305)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:25:16
Rank: #2483 (-1)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:47
Rank: #2696 (-213)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:03:48
Rank: #2986 (-290)
25K → 30K
22:01 | 7:05/mi
20M
2:13:29
Rank: #3105 (-119)
30K → 20M
9:41 | 7:08/mi
21M
2:21:14
Rank: #3269 (-164)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:26:33
Rank: #3356 (-87)
21M → 35K
5:19 | 7:06/mi
23M
2:36:01
Rank: #3593 (-237)
35K → 23M
9:28 | 7:34/mi
24M
2:43:26
Rank: #3817 (-224)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
2:49:43
Rank: #3930 (-113)
24M → 40K
6:17 | 7:21/mi
25.2M
2:52:26
Rank: #3971 (-41)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:59:38
Rank: #4085 (-114)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:16
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:34:22
Pace7:12 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3720:016:2720:01
6:27
-
10K
6.21 mi10:40:3139:556:2519:54
6:24
-0:03
15K
9.32 mi11:00:3559:596:2620:04
6:28
+0:04
20K
12.43 mi11:21:271:20:516:3020:52
6:43
+0:15
Half
13.11 mi11:25:521:25:166:304:25
6:28
-0:15
25K
15.53 mi11:42:231:41:476:3316:31
6:49
+0:21
30K
18.64 mi12:04:242:03:486:3822:01
7:05
+0:16
20M
20.00 mi12:14:052:13:296:409:41
7:08
+0:03
21M
21.00 mi12:21:502:21:146:447:45
7:45
+0:37
35K
21.75 mi12:27:092:26:336:445:19
7:06
-0:39
23M
23.00 mi12:36:372:36:016:479:28
7:34
+0:28
24M
24.00 mi12:44:022:43:266:497:25
7:25
-0:09
40K
24.85 mi12:50:192:49:436:506:17
7:21
-0:04
25.2M
25.20 mi12:53:022:52:266:512:43
7:53
+0:32
Finish
26.22 mi13:00:142:59:386:517:12
7:04
-0:49

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

6:24 /mi

Average Pace

6:51 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:47

57% of race

Time at Steady Pace

44:13

25% of race

Time at Slower Pace

33:38

19% of race

Average Pace: 6:51 /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 mi10:20:3720:016:2720:01
6:27
#1994
10K
6.21 mi10:40:3139:556:2519:54
6:24
#2111
15K
9.32 mi11:00:3559:596:2620:04
6:28
#2177
20K
12.43 mi11:21:271:20:516:3020:52
6:43
#2482
Half
13.11 mi11:25:521:25:166:304:25
6:28
#2483
25K
15.53 mi11:42:231:41:476:3316:31
6:49
#2696
30K
18.64 mi12:04:242:03:486:3822:01
7:05
#2986
20M
20.00 mi12:14:052:13:296:409:41
7:08
#3105
21M
21.00 mi12:21:502:21:146:447:45
7:45
#3269
35K
21.75 mi12:27:092:26:336:445:19
7:06
#3356
23M
23.00 mi12:36:372:36:016:479:28
7:34
#3593
24M
24.00 mi12:44:022:43:266:497:25
7:25
#3817
40K
24.85 mi12:50:192:49:436:506:17
7:21
#3930
25.2M
25.20 mi12:53:022:52:266:512:43
7:53
#3971
Finish
26.22 mi13:00:142:59:386:517:12
7:04
#4085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1994190319032412(Top 9%)2315(Top 15%)2315(Top 44%)
10K6.21 mi3.10 mi2111-1172020-1172020-1172275(Top 9%)2178(Top 14%)2178(Top 41%)
15K9.32 mi3.11 mi2177-662088-682088-682412(Top 9%)2315(Top 15%)2315(Top 44%)
20K12.43 mi3.11 mi2482-3052377-2892377-2893705(Top 14%)3504(Top 23%)3504(Top 66%)
Half13.11 mi0.68 mi2483-12378-12378-12682(Top 10%)2576(Top 17%)2576(Top 49%)
25K15.53 mi2.42 mi2696-2132576-1982576-1984253(Top 16%)3978(Top 26%)3978(Top 75%)
30K18.64 mi3.11 mi2986-2902849-2732849-2734845(Top 18%)4460(Top 29%)4460(Top 84%)
20M20.00 mi1.36 mi3105-1192957-1082957-1084728(Top 18%)4318(Top 28%)4318(Top 82%)
21M21.00 mi1.00 mi3269-1643098-1413098-1415859(Top 22%)5086(Top 34%)5086(Top 96%)
35K21.75 mi0.75 mi3356-873177-793177-795886(Top 22%)5139(Top 34%)5139(Top 97%)
23M23.00 mi1.25 mi3593-2373392-2153392-2156767(Top 25%)5665(Top 37%)5665(Top 107%)
24M24.00 mi1.00 mi3817-2243587-1953587-1957118(Top 27%)5768(Top 38%)5768(Top 109%)
40K24.85 mi0.85 mi3930-1133680-933680-935705(Top 21%)4821(Top 32%)4821(Top 91%)
25.2M25.20 mi0.35 mi3971-413717-373717-375715(Top 21%)4735(Top 31%)4735(Top 90%)
Finish26.22 mi1.02 mi4085-1143822-1053822-1055583(Top 21%)4637(Top 31%)4637(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2412

Males

2315

M18-39

2315

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2275

Males

2178

M18-39

2178

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2412

Males

2315

M18-39

2315

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3705

Males

3504

M18-39

3504

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2682

Males

2576

M18-39

2576

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4253

Males

3978

M18-39

3978

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4845

Males

4460

M18-39

4460

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4728

Males

4318

M18-39

4318

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5859

Males

5086

M18-39

5086

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5886

Males

5139

M18-39

5139

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6767

Males

5665

M18-39

5665

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7118

Males

5768

M18-39

5768

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5705

Males

4821

M18-39

4821

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5715

Males

4735

M18-39

4735

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5583

Males

4637

M18-39

4637

Passing Analysis

Category:
Athletes Passed
303
Passed By
2394
Net Change
-2091
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1994
5K → 10K64181-117#1994#2111
10K → 15K41107-66#2111#2177
15K → 20K16321-305#2177#2482
20K → Half910-1#2482#2483
Half → 25K12225-213#2483#2696
25K → 30K30320-290#2696#2986
30K → 20M16135-119#2986#3105
20M → 21M12176-164#3105#3269
21M → 35K1299-87#3269#3356
35K → 23M26263-237#3356#3593
23M → 24M8232-224#3593#3817
24M → 40K26139-113#3817#3930
40K → 25.2M1556-41#3930#3971
25.2M → Finish16130-114#3971#4085
TOTALS3032394-2091
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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