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BOSTON MARATHON 2023

Jeff Bonasso

Bib: 11305•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M50-54)
#0 / 2052
Top 19%
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
7:21/mi
22:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
44:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:07:07
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:29:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:52:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:14:55
↑ 181↓ 1480.2%
20M
7:24/mi
2:24:58
↑ 64↓ 500.2%
21M
7:42/mi
2:32:40
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:37:54
↑ 17↓ 861.7%
23M
7:16/mi
2:47:00
↑ 23↓ 630.6%
24M
7:14/mi
2:54:14
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:00:31
↓ 200.3%
25.2M
7:50/mi
3:03:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:10:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:22
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:36:14
Pace7:20 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5222:507:2122:50
7:21
-
10K
6.21 mi11:11:5344:517:1322:01
7:05
-0:16
15K
9.32 mi11:34:091:07:077:1222:16
7:10
+0:05
20K
12.43 mi11:56:331:29:317:1222:24
7:13
+0:03
Half
13.11 mi12:01:241:34:227:124:51
7:07
-0:06
25K
15.53 mi12:19:061:52:047:1317:42
7:18
+0:11
30K
18.64 mi12:41:572:14:557:1422:51
7:21
+0:03
20M
20.00 mi12:52:002:24:587:1510:03
7:24
+0:03
21M
21.00 mi12:59:422:32:407:167:42
7:42
+0:18
35K
21.75 mi13:04:562:37:547:165:14
7:00
-0:42
23M
23.00 mi13:14:022:47:007:169:06
7:16
+0:16
24M
24.00 mi13:21:162:54:147:167:14
7:14
-0:02
40K
24.85 mi13:27:333:00:317:166:17
7:21
+0:07
25.2M
25.20 mi13:30:153:03:137:162:42
7:50
+0:29
Finish
26.22 mi13:37:383:10:367:167:23
7:15
-0:35

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

7:00 /mi

Average Pace

7:16 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:12

95% of race

Time at Steady Pace

10:24

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:49:5222:507:2122:50
7:21
#8434
10K
6.21 mi11:11:5344:517:1322:01
7:05
#7871
15K
9.32 mi11:34:091:07:077:1222:16
7:10
#7750
20K
12.43 mi11:56:331:29:317:1222:24
7:13
#7567
Half
13.11 mi12:01:241:34:227:124:51
7:07
#7531
25K
15.53 mi12:19:061:52:047:1317:42
7:18
#7462
30K
18.64 mi12:41:572:14:557:1422:51
7:21
#7216
20M
20.00 mi12:52:002:24:587:1510:03
7:24
#7107
21M
21.00 mi12:59:422:32:407:167:42
7:42
#6977
35K
21.75 mi13:04:562:37:547:165:14
7:00
#6900
23M
23.00 mi13:14:022:47:007:169:06
7:16
#6756
24M
24.00 mi13:21:162:54:147:167:14
7:14
#6687
40K
24.85 mi13:27:333:00:317:166:17
7:21
#6602
25.2M
25.20 mi13:30:153:03:137:162:42
7:50
#6577
Finish
26.22 mi13:37:383:10:367:167:23
7:15
#6548
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8434725372537561(Top 28%)6632(Top 44%)6632(Top 323%)
10K6.21 mi3.10 mi7871+5636889+3646889+3647350(Top 28%)6494(Top 43%)6494(Top 316%)
15K9.32 mi3.11 mi7750+1216792+976792+977561(Top 28%)6632(Top 44%)6632(Top 323%)
20K12.43 mi3.11 mi7567+1836650+1426650+1427157(Top 27%)6327(Top 42%)6327(Top 308%)
Half13.11 mi0.68 mi7531+366625+256625+257173(Top 27%)6342(Top 42%)6342(Top 309%)
25K15.53 mi2.42 mi7462+696569+566569+567280(Top 27%)6336(Top 42%)6336(Top 309%)
30K18.64 mi3.11 mi7216+2466376+1936376+1936335(Top 24%)5613(Top 37%)5613(Top 274%)
20M20.00 mi1.36 mi7107+1096286+906286+906164(Top 23%)5416(Top 36%)5416(Top 264%)
21M21.00 mi1.00 mi6977+1306176+1106176+1105623(Top 21%)4924(Top 32%)4924(Top 240%)
35K21.75 mi0.75 mi6900+776108+686108+685329(Top 20%)4757(Top 31%)4757(Top 232%)
23M23.00 mi1.25 mi6756+1445981+1275981+1275150(Top 19%)4577(Top 30%)4577(Top 223%)
24M24.00 mi1.00 mi6687+695918+635918+635933(Top 22%)5063(Top 33%)5063(Top 247%)
40K24.85 mi0.85 mi6602+855836+825836+825747(Top 22%)4863(Top 32%)4863(Top 237%)
25.2M25.20 mi0.35 mi6577+255814+225814+225529(Top 21%)4628(Top 30%)4628(Top 226%)
Finish26.22 mi1.02 mi6548+295778+365778+366714(Top 25%)5387(Top 35%)5387(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7561

Males

6632

M50-54

6632

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7350

Males

6494

M50-54

6494

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7561

Males

6632

M50-54

6632

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7157

Males

6327

M50-54

6327

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7173

Males

6342

M50-54

6342

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7280

Males

6336

M50-54

6336

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6335

Males

5613

M50-54

5613

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6164

Males

5416

M50-54

5416

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5623

Males

4924

M50-54

4924

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5329

Males

4757

M50-54

4757

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5150

Males

4577

M50-54

4577

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5933

Males

5063

M50-54

5063

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5747

Males

4863

M50-54

4863

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5529

Males

4628

M50-54

4628

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6714

Males

5387

M50-54

5387

Passing Analysis

Category:
Athletes Passed
2264
Passed By
378
Net Change
+1886
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8434
5K → 10K62764+563#8434#7871
10K → 15K20483+121#7871#7750
15K → 20K22239+183#7750#7567
20K → Half459+36#7567#7531
Half → 25K11041+69#7531#7462
25K → 30K27024+246#7462#7216
30K → 20M12011+109#7216#7107
20M → 21M14414+130#7107#6977
21M → 35K825+77#6977#6900
35K → 23M1517+144#6900#6756
23M → 24M8314+69#6756#6687
24M → 40K9914+85#6687#6602
40K → 25.2M3813+25#6602#6577
25.2M → Finish6940+29#6577#6548
TOTALS2264378+1886
📊

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