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BOSTON MARATHON 2023

Yu-Cheng Wu

Bib: 10373•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M50-54)
#0 / 2052
Top 6%
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
6:58/mi
21:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
42:06
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:02:34
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:23:20
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:27:48
↑ 19↓ 370.5%
25K· 15.53 mi
6:41/mi
1:44:01
↑ 66↓ 880.2%
30K· 18.64 mi
6:56/mi
2:05:32
↑ 181↓ 1480.2%
20M
7:03/mi
2:15:07
↑ 64↓ 500.2%
21M
7:34/mi
2:22:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:27:43
↑ 17↓ 861.7%
23M
6:55/mi
2:36:23
↑ 23↓ 630.6%
24M
6:45/mi
2:43:08
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:49:01
↓ 200.3%
25.2M
7:32/mi
2:51:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:51/mi
2:58:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:48
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:48
Pace6:56 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5421:406:5821:40
6:58
-
10K
6.21 mi11:08:2042:066:4720:26
6:35
-0:23
15K
9.32 mi11:28:481:02:346:4320:28
6:35
0:00
20K
12.43 mi11:49:341:23:206:4220:46
6:41
+0:06
Half
13.11 mi11:54:021:27:486:424:28
6:33
-0:08
25K
15.53 mi12:10:151:44:016:4216:13
6:41
+0:08
30K
18.64 mi12:31:462:05:326:4421:31
6:56
+0:15
20M
20.00 mi12:41:212:15:076:459:35
7:03
+0:07
21M
21.00 mi12:48:552:22:416:487:34
7:34
+0:31
35K
21.75 mi12:53:572:27:436:485:02
6:44
-0:50
23M
23.00 mi13:02:372:36:236:488:40
6:55
+0:11
24M
24.00 mi13:09:222:43:086:486:45
6:45
-0:10
40K
24.85 mi13:15:152:49:016:485:53
6:53
+0:08
25.2M
25.20 mi13:17:512:51:376:492:36
7:32
+0:39
Finish
26.22 mi13:24:502:58:366:496:59
6:51
-0:41

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

6:33 /mi

Average Pace

6:49 /mi

Slowest Pace

7:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:26

94% of race

Time at Steady Pace

10:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:47:5421:406:5821:40
6:58
#6078
10K
6.21 mi11:08:2042:066:4720:26
6:35
#4741
15K
9.32 mi11:28:481:02:346:4320:28
6:35
#4133
20K
12.43 mi11:49:341:23:206:4220:46
6:41
#3918
Half
13.11 mi11:54:021:27:486:424:28
6:33
#3870
25K
15.53 mi12:10:151:44:016:4216:13
6:41
#3736
30K
18.64 mi12:31:462:05:326:4421:31
6:56
#3725
20M
20.00 mi12:41:212:15:076:459:35
7:03
#3744
21M
21.00 mi12:48:552:22:416:487:34
7:34
#3804
35K
21.75 mi12:53:572:27:436:485:02
6:44
#3800
23M
23.00 mi13:02:372:36:236:488:40
6:55
#3748
24M
24.00 mi13:09:222:43:086:486:45
6:45
#3701
40K
24.85 mi13:15:152:49:016:485:53
6:53
#3651
25.2M
25.20 mi13:17:512:51:376:492:36
7:32
#3653
Finish
26.22 mi13:24:502:58:366:496:59
6:51
#3701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6078554955493200(Top 12%)3046(Top 20%)3046(Top 148%)
10K6.21 mi3.10 mi4741+13374417+11324417+11323323(Top 12%)3162(Top 21%)3162(Top 154%)
15K9.32 mi3.11 mi4133+6083880+5373880+5373200(Top 12%)3046(Top 20%)3046(Top 148%)
20K12.43 mi3.11 mi3918+2153688+1923688+1923441(Top 13%)3260(Top 21%)3260(Top 159%)
Half13.11 mi0.68 mi3870+483650+383650+383100(Top 12%)2965(Top 20%)2965(Top 144%)
25K15.53 mi2.42 mi3736+1343533+1173533+1173284(Top 12%)3124(Top 21%)3124(Top 152%)
30K18.64 mi3.11 mi3725+113519+143519+143825(Top 14%)3584(Top 24%)3584(Top 175%)
20M20.00 mi1.36 mi3744-193534-153534-154317(Top 16%)3977(Top 26%)3977(Top 194%)
21M21.00 mi1.00 mi3804-603582-483582-484882(Top 18%)4385(Top 29%)4385(Top 214%)
35K21.75 mi0.75 mi3800+43577+53577+53711(Top 14%)3428(Top 23%)3428(Top 167%)
23M23.00 mi1.25 mi3748+523531+463531+463370(Top 13%)3123(Top 21%)3123(Top 152%)
24M24.00 mi1.00 mi3701+473486+453486+453375(Top 13%)3112(Top 21%)3112(Top 152%)
40K24.85 mi0.85 mi3651+503437+493437+493225(Top 12%)2955(Top 19%)2955(Top 144%)
25.2M25.20 mi0.35 mi3653-23438-13438-14030(Top 15%)3572(Top 24%)3572(Top 174%)
Finish26.22 mi1.02 mi3701-483476-383476-384348(Top 16%)3806(Top 25%)3806(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3200

Males

3046

M50-54

3046

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3323

Males

3162

M50-54

3162

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3200

Males

3046

M50-54

3046

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3441

Males

3260

M50-54

3260

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3100

Males

2965

M50-54

2965

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3284

Males

3124

M50-54

3124

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3825

Males

3584

M50-54

3584

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4317

Males

3977

M50-54

3977

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4882

Males

4385

M50-54

4385

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3711

Males

3428

M50-54

3428

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3370

Males

3123

M50-54

3123

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3375

Males

3112

M50-54

3112

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3225

Males

2955

M50-54

2955

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4030

Males

3572

M50-54

3572

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4348

Males

3806

M50-54

3806

Passing Analysis

Category:
Athletes Passed
2913
Passed By
536
Net Change
+2377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6078
5K → 10K13425+1337#6078#4741
10K → 15K6124+608#4741#4133
15K → 20K23924+215#4133#3918
20K → Half524+48#3918#3870
Half → 25K15723+134#3870#3736
25K → 30K111100+11#3736#3725
30K → 20M4867-19#3725#3744
20M → 21M42102-60#3744#3804
21M → 35K3026+4#3804#3800
35K → 23M8533+52#3800#3748
23M → 24M7023+47#3748#3701
24M → 40K6818+50#3701#3651
40K → 25.2M2123-2#3651#3653
25.2M → Finish3684-48#3653#3701
TOTALS2913536+2377
📊

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