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BOSTON MARATHON 2023

Zhilong Yang

Bib: 2262•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #2368
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
40:25
Rank: #2523 (-155)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:39
Rank: #2566 (-43)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:02
Rank: #2568 (-2)
15K → 20K
20:23 | 6:34/mi
Half· 13.11 mi
1:25:25
Rank: #2552 (+16)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:16
Rank: #2507 (+45)
Half → 25K
15:51 | 6:32/mi
30K· 18.64 mi
2:02:05
Rank: #2467 (+40)
25K → 30K
20:49 | 6:42/mi
20M
2:11:08
Rank: #2412 (+55)
30K → 20M
9:03 | 6:40/mi
21M
2:18:12
Rank: #2394 (+18)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:23:00
Rank: #2358 (+36)
21M → 35K
4:48 | 6:25/mi
23M
2:31:18
Rank: #2313 (+45)
35K → 23M
8:18 | 6:38/mi
24M
2:37:46
Rank: #2285 (+28)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:43:33
Rank: #2265 (+20)
24M → 40K
5:47 | 6:46/mi
25.2M
2:46:04
Rank: #2257 (+8)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:52:55
Rank: #2253 (+4)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:25
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:30
Pace6:40 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1820:156:3120:15
6:31
-
10K
6.21 mi10:41:2840:256:3020:10
6:29
-0:02
15K
9.32 mi11:01:421:00:396:3020:14
6:31
+0:02
20K
12.43 mi11:22:051:21:026:3120:23
6:34
+0:03
Half
13.11 mi11:26:281:25:256:314:23
6:25
-0:09
25K
15.53 mi11:42:191:41:166:3115:51
6:32
+0:07
30K
18.64 mi12:03:082:02:056:3320:49
6:42
+0:10
20M
20.00 mi12:12:112:11:086:339:03
6:40
-0:02
21M
21.00 mi12:19:152:18:126:357:04
7:04
+0:24
35K
21.75 mi12:24:032:23:006:354:48
6:25
-0:39
23M
23.00 mi12:32:212:31:186:358:18
6:38
+0:13
24M
24.00 mi12:38:492:37:466:346:28
6:28
-0:10
40K
24.85 mi12:44:362:43:336:355:47
6:46
+0:18
25.2M
25.20 mi12:47:072:46:046:352:31
7:18
+0:32
Finish
26.22 mi12:53:582:52:556:366:51
6:43
-0:35

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

6:25 /mi

Average Pace

6:36 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:20

94% of race

Time at Steady Pace

9:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:21:1820:156:3120:15
6:31
#2368
10K
6.21 mi10:41:2840:256:3020:10
6:29
#2523
15K
9.32 mi11:01:421:00:396:3020:14
6:31
#2566
20K
12.43 mi11:22:051:21:026:3120:23
6:34
#2568
Half
13.11 mi11:26:281:25:256:314:23
6:25
#2552
25K
15.53 mi11:42:191:41:166:3115:51
6:32
#2507
30K
18.64 mi12:03:082:02:056:3320:49
6:42
#2467
20M
20.00 mi12:12:112:11:086:339:03
6:40
#2412
21M
21.00 mi12:19:152:18:126:357:04
7:04
#2394
35K
21.75 mi12:24:032:23:006:354:48
6:25
#2358
23M
23.00 mi12:32:212:31:186:358:18
6:38
#2313
24M
24.00 mi12:38:492:37:466:346:28
6:28
#2285
40K
24.85 mi12:44:362:43:336:355:47
6:46
#2265
25.2M
25.20 mi12:47:072:46:046:352:31
7:18
#2257
Finish
26.22 mi12:53:582:52:556:366:51
6:43
#2253
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2368225822582707(Top 10%)2586(Top 17%)2586(Top 115%)
10K6.21 mi3.10 mi2523-1552406-1482406-1482724(Top 10%)2605(Top 17%)2605(Top 116%)
15K9.32 mi3.11 mi2566-432452-462452-462707(Top 10%)2586(Top 17%)2586(Top 115%)
20K12.43 mi3.11 mi2568-22457-52457-52614(Top 10%)2500(Top 16%)2500(Top 111%)
Half13.11 mi0.68 mi2552+162445+122445+122352(Top 9%)2257(Top 15%)2257(Top 100%)
25K15.53 mi2.42 mi2507+452400+452400+452364(Top 9%)2264(Top 15%)2264(Top 101%)
30K18.64 mi3.11 mi2467+402360+402360+402400(Top 9%)2284(Top 15%)2284(Top 101%)
20M20.00 mi1.36 mi2412+552309+512309+512113(Top 8%)2014(Top 13%)2014(Top 89%)
21M21.00 mi1.00 mi2394+182293+162293+162454(Top 9%)2317(Top 15%)2317(Top 103%)
35K21.75 mi0.75 mi2358+362259+342259+342036(Top 8%)1934(Top 13%)1934(Top 86%)
23M23.00 mi1.25 mi2313+452216+432216+431891(Top 7%)1793(Top 12%)1793(Top 80%)
24M24.00 mi1.00 mi2285+282189+272189+271957(Top 7%)1838(Top 12%)1838(Top 82%)
40K24.85 mi0.85 mi2265+202171+182171+182626(Top 10%)2425(Top 16%)2425(Top 108%)
25.2M25.20 mi0.35 mi2257+82163+82163+82879(Top 11%)2634(Top 17%)2634(Top 117%)
Finish26.22 mi1.02 mi2253+42158+52158+53601(Top 14%)3215(Top 21%)3215(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2707

Males

2586

M45-49

2586

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2724

Males

2605

M45-49

2605

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2707

Males

2586

M45-49

2586

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2614

Males

2500

M45-49

2500

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2352

Males

2257

M45-49

2257

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2364

Males

2264

M45-49

2264

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2400

Males

2284

M45-49

2284

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2113

Males

2014

M45-49

2014

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2454

Males

2317

M45-49

2317

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2036

Males

1934

M45-49

1934

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1891

Males

1793

M45-49

1793

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1957

Males

1838

M45-49

1838

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2626

Males

2425

M45-49

2425

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2879

Males

2634

M45-49

2634

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3601

Males

3215

M45-49

3215

Passing Analysis

Category:
Athletes Passed
705
Passed By
590
Net Change
+115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2368
5K → 10K78233-155#2368#2523
10K → 15K5598-43#2523#2566
15K → 20K6062-2#2566#2568
20K → Half204+16#2568#2552
Half → 25K7328+45#2552#2507
25K → 30K8646+40#2507#2467
30K → 20M6510+55#2467#2412
20M → 21M4224+18#2412#2394
21M → 35K415+36#2394#2358
35K → 23M5914+45#2358#2313
23M → 24M4315+28#2313#2285
24M → 40K3313+20#2285#2265
40K → 25.2M179+8#2265#2257
25.2M → Finish3329+4#2257#2253
TOTALS705590+115
📊

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