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BOSTON MARATHON 2023

Guillermo Usechi

Bib: 7432•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M45-49)
#0 / 2252
Top 16%
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
6:40/mi
20:44
↑ 97↓ 3451.5%
10K· 6.21 mi
6:36/mi
41:13
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:51
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:23:03
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:27:43
↑ 19↓ 370.5%
25K· 15.53 mi
6:50/mi
1:44:17
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:06:10
↑ 181↓ 1480.2%
20M
7:08/mi
2:15:52
↑ 64↓ 500.2%
21M
7:30/mi
2:23:22
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:28:24
↑ 17↓ 861.7%
23M
7:08/mi
2:37:20
↑ 23↓ 630.6%
24M
7:01/mi
2:44:21
↓ 821.3%
40K· 24.85 mi
7:44/mi
2:50:58
↓ 200.3%
25.2M
8:13/mi
2:53:48
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
3:00:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:43
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4520:446:4020:44
6:40
-
10K
6.21 mi10:45:1441:136:3820:29
6:36
-0:04
15K
9.32 mi11:05:521:01:516:3820:38
6:38
+0:02
20K
12.43 mi11:27:041:23:036:4121:12
6:49
+0:11
Half
13.11 mi11:31:441:27:436:414:40
6:50
+0:01
25K
15.53 mi11:48:181:44:176:4316:34
6:50
0:00
30K
18.64 mi12:10:112:06:106:4621:53
7:03
+0:13
20M
20.00 mi12:19:532:15:526:489:42
7:08
+0:05
21M
21.00 mi12:27:232:23:226:507:30
7:30
+0:22
35K
21.75 mi12:32:252:28:246:495:02
6:44
-0:46
23M
23.00 mi12:41:212:37:206:508:56
7:08
+0:24
24M
24.00 mi12:48:222:44:216:517:01
7:01
-0:07
40K
24.85 mi12:54:592:50:586:536:37
7:44
+0:43
25.2M
25.20 mi12:57:492:53:486:542:50
8:13
+0:29
Finish
26.22 mi13:04:523:00:516:547:03
6:55
-1:18

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

6:36 /mi

Average Pace

6:54 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:51

34% of race

Time at Steady Pace

1:42:03

56% of race

Time at Slower Pace

16:57

9% of race

Average Pace: 6:54 /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 mi10:24:4520:446:4020:44
6:40
#3428
10K
6.21 mi10:45:1441:136:3820:29
6:36
#3405
15K
9.32 mi11:05:521:01:516:3820:38
6:38
#3449
20K
12.43 mi11:27:041:23:036:4121:12
6:49
#3708
Half
13.11 mi11:31:441:27:436:414:40
6:50
#3800
25K
15.53 mi11:48:181:44:176:4316:34
6:50
#3888
30K
18.64 mi12:10:112:06:106:4621:53
7:03
#4018
20M
20.00 mi12:19:532:15:526:489:42
7:08
#4084
21M
21.00 mi12:27:232:23:226:507:30
7:30
#4119
35K
21.75 mi12:32:252:28:246:495:02
6:44
#4078
23M
23.00 mi12:41:212:37:206:508:56
7:08
#4122
24M
24.00 mi12:48:222:44:216:517:01
7:01
#4162
40K
24.85 mi12:54:592:50:586:536:37
7:44
#4340
25.2M
25.20 mi12:57:492:53:486:542:50
8:13
#4390
Finish
26.22 mi13:04:523:00:516:547:03
6:55
#4385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3428323132313635(Top 14%)3430(Top 23%)3430(Top 152%)
10K6.21 mi3.10 mi3405+233220+113220+113454(Top 13%)3277(Top 22%)3277(Top 146%)
15K9.32 mi3.11 mi3449-443267-473267-473635(Top 14%)3430(Top 23%)3430(Top 152%)
20K12.43 mi3.11 mi3708-2593507-2403507-2404650(Top 17%)4328(Top 29%)4328(Top 192%)
Half13.11 mi0.68 mi3800-923590-833590-835522(Top 21%)5082(Top 33%)5082(Top 226%)
25K15.53 mi2.42 mi3888-883664-743664-744442(Top 17%)4140(Top 27%)4140(Top 184%)
30K18.64 mi3.11 mi4018-1303779-1153779-1154619(Top 17%)4271(Top 28%)4271(Top 190%)
20M20.00 mi1.36 mi4084-663835-563835-564786(Top 18%)4366(Top 29%)4366(Top 194%)
21M21.00 mi1.00 mi4119-353863-283863-284561(Top 17%)4148(Top 27%)4148(Top 184%)
35K21.75 mi0.75 mi4078+413826+373826+373744(Top 14%)3461(Top 23%)3461(Top 154%)
23M23.00 mi1.25 mi4122-443860-343860-344469(Top 17%)4055(Top 27%)4055(Top 180%)
24M24.00 mi1.00 mi4162-403898-383898-384738(Top 18%)4229(Top 28%)4229(Top 188%)
40K24.85 mi0.85 mi4340-1784055-1574055-1578178(Top 31%)6342(Top 42%)6342(Top 282%)
25.2M25.20 mi0.35 mi4390-504096-414096-417676(Top 29%)5952(Top 39%)5952(Top 264%)
Finish26.22 mi1.02 mi4385+54088+84088+84728(Top 18%)4083(Top 27%)4083(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3635

Males

3430

M45-49

3430

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3454

Males

3277

M45-49

3277

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3635

Males

3430

M45-49

3430

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4650

Males

4328

M45-49

4328

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5522

Males

5082

M45-49

5082

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4442

Males

4140

M45-49

4140

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4619

Males

4271

M45-49

4271

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

4786

Males

4366

M45-49

4366

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4561

Males

4148

M45-49

4148

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3744

Males

3461

M45-49

3461

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4469

Males

4055

M45-49

4055

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4738

Males

4229

M45-49

4229

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8178

Males

6342

M45-49

6342

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7676

Males

5952

M45-49

5952

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4728

Males

4083

M45-49

4083

Passing Analysis

Category:
Athletes Passed
763
Passed By
1720
Net Change
-957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3428
5K → 10K199176+23#3428#3405
10K → 15K79123-44#3405#3449
15K → 20K29288-259#3449#3708
20K → Half597-92#3708#3800
Half → 25K55143-88#3800#3888
25K → 30K76206-130#3888#4018
30K → 20M34100-66#4018#4084
20M → 21M6398-35#4084#4119
21M → 35K5413+41#4119#4078
35K → 23M4993-44#4078#4122
23M → 24M4585-40#4122#4162
24M → 40K17195-178#4162#4340
40K → 25.2M1666-50#4340#4390
25.2M → Finish4237+5#4390#4385
TOTALS7631720-957
📊

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