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BOSTON MARATHON 2023

Scott (zhixiong) Wu

Bib: 11937•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M50-54)
#0 / 2052
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:33/mi
23:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
45:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:27
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:31:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:36:33
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:54:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:18:09
↑ 181↓ 1480.2%
20M
7:30/mi
2:28:21
↑ 64↓ 500.2%
21M
7:51/mi
2:36:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:41:38
↑ 17↓ 861.7%
23M
7:22/mi
2:50:52
↑ 23↓ 630.6%
24M
6:50/mi
2:57:42
↓ 821.3%
40K· 24.85 mi
6:59/mi
3:03:40
↓ 200.3%
25.2M
7:15/mi
3:06:10
↑ 13↓ 160.2%
Finish· 26.22 mi
6:38/mi
3:12:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:33
Pace7:22 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1323:267:3323:26
7:33
-
10K
6.21 mi11:12:3645:497:2222:23
7:12
-0:21
15K
9.32 mi11:35:141:08:277:2122:38
7:17
+0:05
20K
12.43 mi11:58:221:31:357:2223:08
7:27
+0:10
Half
13.11 mi12:03:201:36:337:224:58
7:17
-0:10
25K
15.53 mi12:21:241:54:377:2318:04
7:27
+0:10
30K
18.64 mi12:44:562:18:097:2523:32
7:34
+0:07
20M
20.00 mi12:55:082:28:217:2510:12
7:30
-0:04
21M
21.00 mi13:02:592:36:127:267:51
7:51
+0:21
35K
21.75 mi13:08:252:41:387:265:26
7:16
-0:35
23M
23.00 mi13:17:392:50:527:269:14
7:22
+0:06
24M
24.00 mi13:24:292:57:427:246:50
6:50
-0:32
40K
24.85 mi13:30:273:03:407:235:58
6:59
+0:09
25.2M
25.20 mi13:32:573:06:107:232:30
7:15
+0:16
Finish
26.22 mi13:39:433:12:567:226:46
6:38
-0:37

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

6:38 /mi

Average Pace

7:22 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:29

40% of race

Time at Steady Pace

1:47:36

56% of race

Time at Slower Pace

7:51

4% of race

Average Pace: 7:21 /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 mi10:50:1323:267:3323:26
7:33
#9991
10K
6.21 mi11:12:3645:497:2222:23
7:12
#8983
15K
9.32 mi11:35:141:08:277:2122:38
7:17
#8788
20K
12.43 mi11:58:221:31:357:2223:08
7:27
#8757
Half
13.11 mi12:03:201:36:337:224:58
7:17
#8745
25K
15.53 mi12:21:241:54:377:2318:04
7:27
#8658
30K
18.64 mi12:44:562:18:097:2523:32
7:34
#8438
20M
20.00 mi12:55:082:28:217:2510:12
7:30
#8295
21M
21.00 mi13:02:592:36:127:267:51
7:51
#8176
35K
21.75 mi13:08:252:41:387:265:26
7:16
#8111
23M
23.00 mi13:17:392:50:527:269:14
7:22
#7914
24M
24.00 mi13:24:292:57:427:246:50
6:50
#7644
40K
24.85 mi13:30:273:03:407:235:58
6:59
#7465
25.2M
25.20 mi13:32:573:06:107:232:30
7:15
#7370
Finish
26.22 mi13:39:433:12:567:226:46
6:38
#7130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9991811681168435(Top 32%)7192(Top 47%)7192(Top 350%)
10K6.21 mi3.10 mi8983+10087567+5497567+5498115(Top 30%)7022(Top 46%)7022(Top 342%)
15K9.32 mi3.11 mi8788+1957431+1367431+1368435(Top 32%)7192(Top 47%)7192(Top 350%)
20K12.43 mi3.11 mi8757+317412+197412+198858(Top 33%)7411(Top 49%)7411(Top 361%)
Half13.11 mi0.68 mi8745+127398+147398+148369(Top 31%)7108(Top 47%)7108(Top 346%)
25K15.53 mi2.42 mi8658+877330+687330+688391(Top 32%)7052(Top 46%)7052(Top 344%)
30K18.64 mi3.11 mi8438+2207149+1817149+1817740(Top 29%)6532(Top 43%)6532(Top 318%)
20M20.00 mi1.36 mi8295+1437034+1157034+1156809(Top 26%)5849(Top 39%)5849(Top 285%)
21M21.00 mi1.00 mi8176+1196945+896945+896440(Top 24%)5512(Top 36%)5512(Top 269%)
35K21.75 mi0.75 mi8111+656895+506895+506884(Top 26%)5818(Top 38%)5818(Top 284%)
23M23.00 mi1.25 mi7914+1976750+1456750+1455729(Top 22%)5005(Top 33%)5005(Top 244%)
24M24.00 mi1.00 mi7644+2706564+1866564+1863866(Top 15%)3538(Top 23%)3538(Top 172%)
40K24.85 mi0.85 mi7465+1796415+1496415+1493750(Top 14%)3391(Top 22%)3391(Top 165%)
25.2M25.20 mi0.35 mi7370+956344+716344+712792(Top 10%)2578(Top 17%)2578(Top 126%)
Finish26.22 mi1.02 mi7130+2406171+1736171+1733224(Top 12%)2901(Top 19%)2901(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8435

Males

7192

M50-54

7192

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8115

Males

7022

M50-54

7022

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8435

Males

7192

M50-54

7192

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8858

Males

7411

M50-54

7411

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8369

Males

7108

M50-54

7108

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8391

Males

7052

M50-54

7052

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7740

Males

6532

M50-54

6532

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6809

Males

5849

M50-54

5849

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6440

Males

5512

M50-54

5512

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6884

Males

5818

M50-54

5818

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5729

Males

5005

M50-54

5005

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

3866

Males

3538

M50-54

3538

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3750

Males

3391

M50-54

3391

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2792

Males

2578

M50-54

2578

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3224

Males

2901

M50-54

2901

Passing Analysis

Category:
Athletes Passed
3264
Passed By
403
Net Change
+2861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9991
5K → 10K104638+1008#9991#8983
10K → 15K25459+195#8983#8788
15K → 20K144113+31#8788#8757
20K → Half2917+12#8757#8745
Half → 25K14154+87#8745#8658
25K → 30K28464+220#8658#8438
30K → 20M15512+143#8438#8295
20M → 21M14324+119#8295#8176
21M → 35K7611+65#8176#8111
35K → 23M2047+197#8111#7914
23M → 24M2700+270#7914#7644
24M → 40K1812+179#7644#7465
40K → 25.2M950+95#7465#7370
25.2M → Finish2422+240#7370#7130
TOTALS3264403+2861
📊

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