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BOSTON MARATHON 2023

Jacky Wu

Bib: 5685•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M40-44)
#0 / 2241
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #3540
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:10
Rank: #3350 (+190)
5K → 10K
20:24 | 6:34/mi
15K· 9.32 mi
1:01:38
Rank: #3291 (+59)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:22:41
Rank: #3479 (-188)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:27:18
Rank: #3532 (-53)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:09
Rank: #3820 (-288)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:06:35
Rank: #4231 (-411)
25K → 30K
22:26 | 7:13/mi
20M
2:17:25
Rank: #4765 (-534)
30K → 20M
10:50 | 7:58/mi
21M
2:25:28
Rank: #4935 (-170)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:31:10
Rank: #5078 (-143)
21M → 35K
5:42 | 7:37/mi
23M
2:40:38
Rank: #5133 (-55)
35K → 23M
9:28 | 7:34/mi
24M
2:48:00
Rank: #5144 (-11)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:54:42
Rank: #5218 (-74)
24M → 40K
6:42 | 7:50/mi
25.2M
2:57:33
Rank: #5241 (-23)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:05:07
Rank: #5276 (-35)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:37:49
Pace7:28 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2820:466:4120:46
6:41
-
10K
6.21 mi10:43:5241:106:3820:24
6:34
-0:07
15K
9.32 mi11:04:201:01:386:3720:28
6:35
+0:01
20K
12.43 mi11:25:231:22:416:3921:03
6:47
+0:12
Half
13.11 mi11:30:001:27:186:404:37
6:46
-0:01
25K
15.53 mi11:46:511:44:096:4216:51
6:57
+0:11
30K
18.64 mi12:09:172:06:356:4722:26
7:13
+0:16
20M
20.00 mi12:20:072:17:256:5210:50
7:58
+0:45
21M
21.00 mi12:28:102:25:286:568:03
8:03
+0:05
35K
21.75 mi12:33:522:31:106:575:42
7:37
-0:26
23M
23.00 mi12:43:202:40:386:599:28
7:34
-0:03
24M
24.00 mi12:50:422:48:007:007:22
7:22
-0:12
40K
24.85 mi12:57:242:54:427:026:42
7:50
+0:28
25.2M
25.20 mi13:00:152:57:337:032:51
8:16
+0:26
Finish
26.22 mi13:07:493:05:077:047:34
7:26
-0:50

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

6:34 /mi

Average Pace

7:04 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:09

56% of race

Time at Steady Pace

52:32

28% of race

Time at Slower Pace

28:26

15% of race

Average Pace: 7:04 /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 mi10:23:2820:466:4120:46
6:41
#3540
10K
6.21 mi10:43:5241:106:3820:24
6:34
#3350
15K
9.32 mi11:04:201:01:386:3720:28
6:35
#3291
20K
12.43 mi11:25:231:22:416:3921:03
6:47
#3479
Half
13.11 mi11:30:001:27:186:404:37
6:46
#3532
25K
15.53 mi11:46:511:44:096:4216:51
6:57
#3820
30K
18.64 mi12:09:172:06:356:4722:26
7:13
#4231
20M
20.00 mi12:20:072:17:256:5210:50
7:58
#4765
21M
21.00 mi12:28:102:25:286:568:03
8:03
#4935
35K
21.75 mi12:33:522:31:106:575:42
7:37
#5078
23M
23.00 mi12:43:202:40:386:599:28
7:34
#5133
24M
24.00 mi12:50:422:48:007:007:22
7:22
#5144
40K
24.85 mi12:57:242:54:427:026:42
7:50
#5218
25.2M
25.20 mi13:00:152:57:337:032:51
8:16
#5241
Finish
26.22 mi13:07:493:05:077:047:34
7:26
#5276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3540333833383207(Top 12%)3053(Top 20%)3053(Top 136%)
10K6.21 mi3.10 mi3350+1903172+1663172+1663254(Top 12%)3100(Top 20%)3100(Top 138%)
15K9.32 mi3.11 mi3291+593126+463126+463207(Top 12%)3053(Top 20%)3053(Top 136%)
20K12.43 mi3.11 mi3479-1883297-1713297-1714221(Top 16%)3952(Top 26%)3952(Top 176%)
Half13.11 mi0.68 mi3532-533345-483345-485006(Top 19%)4638(Top 31%)4638(Top 207%)
25K15.53 mi2.42 mi3820-2883607-2623607-2625291(Top 20%)4878(Top 32%)4878(Top 218%)
30K18.64 mi3.11 mi4231-4113972-3653972-3655598(Top 21%)5073(Top 33%)5073(Top 226%)
20M20.00 mi1.36 mi4765-5344432-4604432-46010028(Top 38%)7761(Top 51%)7761(Top 346%)
21M21.00 mi1.00 mi4935-1704577-1454577-1457612(Top 29%)6238(Top 41%)6238(Top 278%)
35K21.75 mi0.75 mi5078-1434687-1104687-1109337(Top 35%)7242(Top 48%)7242(Top 323%)
23M23.00 mi1.25 mi5133-554721-344721-346773(Top 25%)5671(Top 37%)5671(Top 253%)
24M24.00 mi1.00 mi5144-114727-64727-66803(Top 26%)5592(Top 37%)5592(Top 250%)
40K24.85 mi0.85 mi5218-744784-574784-578860(Top 33%)6722(Top 44%)6722(Top 300%)
25.2M25.20 mi0.35 mi5241-234799-154799-157949(Top 30%)6109(Top 40%)6109(Top 273%)
Finish26.22 mi1.02 mi5276-354824-254824-257916(Top 30%)6108(Top 40%)6108(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3207

Males

3053

M40-44

3053

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3254

Males

3100

M40-44

3100

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3207

Males

3053

M40-44

3053

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4221

Males

3952

M40-44

3952

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5006

Males

4638

M40-44

4638

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5291

Males

4878

M40-44

4878

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5598

Males

5073

M40-44

5073

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10028

Males

7761

M40-44

7761

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7612

Males

6238

M40-44

6238

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9337

Males

7242

M40-44

7242

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6773

Males

5671

M40-44

5671

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6803

Males

5592

M40-44

5592

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8860

Males

6722

M40-44

6722

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7949

Males

6109

M40-44

6109

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7916

Males

6108

M40-44

6108

Passing Analysis

Category:
Athletes Passed
726
Passed By
2462
Net Change
-1736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3540
5K → 10K28797+190#3540#3350
10K → 15K12970+59#3350#3291
15K → 20K37225-188#3291#3479
20K → Half558-53#3479#3532
Half → 25K29317-288#3532#3820
25K → 30K33444-411#3820#4231
30K → 20M9543-534#4231#4765
20M → 21M18188-170#4765#4935
21M → 35K14157-143#4935#5078
35K → 23M4398-55#5078#5133
23M → 24M4758-11#5133#5144
24M → 40K2296-74#5144#5218
40K → 25.2M1336-23#5218#5241
25.2M → Finish4075-35#5241#5276
TOTALS7262462-1736
📊

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