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BOSTON MARATHON 2023

Paul Doi

KS

Bib: 13366 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M50-54)
#0 / 2052
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:34/mi
23:30
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:27/mi
46:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:23/mi
1:09:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:25/mi
1:32:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:18/mi
1:37:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:30/mi
1:55:47
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:46/mi
2:19:54
↑ 181↓ 1480.2%
138 ft elev
20M
7:51/mi
2:30:35
↑ 64↓ 500.2%
148 ft elev
21M
7:51/mi
2:38:26
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:13/mi
2:43:50
↑ 17↓ 861.7%
156 ft elev
23M
7:42/mi
2:53:29
↑ 23↓ 630.6%
116 ft elev
24M
7:36/mi
3:01:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:37/mi
3:07:36
↓ 200.3%
20 ft elev
25.2M
8:16/mi
3:10:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:19/mi
3:17:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3923:307:3423:30
7:34
-
10K
6.21 mi11:14:4946:407:3123:10
7:27
-0:07
15K
9.32 mi11:37:441:09:357:2822:55
7:23
-0:04
20K
12.43 mi12:00:471:32:387:2723:03
7:25
+0:02
Half
13.11 mi12:05:461:37:377:274:59
7:18
-0:07
25K
15.53 mi12:23:561:55:477:2718:10
7:30
+0:12
30K
18.64 mi12:48:032:19:547:3024:07
7:46
+0:16
20M
20.00 mi12:58:442:30:357:3210:41
7:51
+0:05
21M
21.00 mi13:06:352:38:267:337:51
7:51
0:00
35K
21.75 mi13:11:592:43:507:325:24
7:13
-0:38
23M
23.00 mi13:21:382:53:297:339:39
7:42
+0:29
24M
24.00 mi13:29:143:01:057:337:36
7:36
-0:06
40K
24.85 mi13:35:453:07:367:336:31
7:37
+0:01
25.2M
25.20 mi13:38:363:10:277:332:51
8:16
+0:39
Finish
26.22 mi13:46:033:17:547:337:27
7:19
-0:57

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

7:13 /mi

Average Pace

7:33 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:03

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:51:3923:307:3423:30
7:34
#10182
10K
6.21 mi11:14:4946:407:3123:10
7:27
#10118
15K
9.32 mi11:37:441:09:357:2822:55
7:23
#9738
20K
12.43 mi12:00:471:32:387:2723:03
7:25
#9437
Half
13.11 mi12:05:461:37:377:274:59
7:18
#9395
25K
15.53 mi12:23:561:55:477:2718:10
7:30
#9257
30K
18.64 mi12:48:032:19:547:3024:07
7:46
#9203
20M
20.00 mi12:58:442:30:357:3210:41
7:51
#9184
21M
21.00 mi13:06:352:38:267:337:51
7:51
#8987
35K
21.75 mi13:11:592:43:507:325:24
7:13
#8884
23M
23.00 mi13:21:382:53:297:339:39
7:42
#8799
24M
24.00 mi13:29:143:01:057:337:36
7:36
#8751
40K
24.85 mi13:35:453:07:367:336:31
7:37
#8673
25.2M
25.20 mi13:38:363:10:277:332:51
8:16
#8668
Finish
26.22 mi13:46:033:17:547:337:27
7:19
#8586
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10182822282229135(Top 34%)7625(Top 50%)7625(Top 372%)
10K6.21 mi3.10 mi10118+648212+108212+1010104(Top 38%)8220(Top 54%)8220(Top 401%)
15K9.32 mi3.11 mi9738+3807999+2137999+2139135(Top 34%)7625(Top 50%)7625(Top 372%)
20K12.43 mi3.11 mi9437+3017817+1827817+1828657(Top 33%)7289(Top 48%)7289(Top 355%)
Half13.11 mi0.68 mi9395+427788+297788+298597(Top 32%)7261(Top 48%)7261(Top 354%)
25K15.53 mi2.42 mi9257+1387697+917697+918723(Top 33%)7277(Top 48%)7277(Top 355%)
30K18.64 mi3.11 mi9203+547626+717626+719056(Top 34%)7316(Top 48%)7316(Top 357%)
20M20.00 mi1.36 mi9184+197593+337593+339272(Top 35%)7332(Top 48%)7332(Top 357%)
21M21.00 mi1.00 mi8987+1977447+1467447+1466494(Top 24%)5534(Top 36%)5534(Top 270%)
35K21.75 mi0.75 mi8884+1037383+647383+646645(Top 25%)5682(Top 37%)5682(Top 277%)
23M23.00 mi1.25 mi8799+857300+837300+837756(Top 29%)6281(Top 41%)6281(Top 306%)
24M24.00 mi1.00 mi8751+487250+507250+508379(Top 31%)6541(Top 43%)6541(Top 319%)
40K24.85 mi0.85 mi8673+787184+667184+667444(Top 28%)5904(Top 39%)5904(Top 288%)
25.2M25.20 mi0.35 mi8668+57171+137171+138029(Top 30%)6189(Top 41%)6189(Top 302%)
Finish26.22 mi1.02 mi8586+827099+727099+727196(Top 27%)5687(Top 37%)5687(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9135

Males

7625

M50-54

7625

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10104

Males

8220

M50-54

8220

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9135

Males

7625

M50-54

7625

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8657

Males

7289

M50-54

7289

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8597

Males

7261

M50-54

7261

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8723

Males

7277

M50-54

7277

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9056

Males

7316

M50-54

7316

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9272

Males

7332

M50-54

7332

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6494

Males

5534

M50-54

5534

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6645

Males

5682

M50-54

5682

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7756

Males

6281

M50-54

6281

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8379

Males

6541

M50-54

6541

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7444

Males

5904

M50-54

5904

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8029

Males

6189

M50-54

6189

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7196

Males

5687

M50-54

5687

Passing Analysis

Category:
Athletes Passed
2336*
Passed By
740
Net Change
+1596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10182
5K → 10K338*274+64#10182#10118
10K → 15K423*43+380#10118#9738
15K → 20K327*26+301#9738#9437
20K → Half475+42#9437#9395
Half → 25K18244+138#9395#9257
25K → 30K193139+54#9257#9203
30K → 20M8869+19#9203#9184
20M → 21M2058+197#9184#8987
21M → 35K1085+103#8987#8884
35K → 23M11530+85#8884#8799
23M → 24M7931+48#8799#8751
24M → 40K10224+78#8751#8673
40K → 25.2M2621+5#8673#8668
25.2M → Finish10321+82#8668#8586
TOTALS2336*740+1596

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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