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BOSTON MARATHON 2023

Benjamin Guerini

Bib: 10462•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M45-49)
#0 / 2252
Top 26%
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
7:04/mi
21:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:20
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:05:40
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:27:23
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:32:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:01/mi
1:49:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:24/mi
2:11:59
↑ 181↓ 1480.2%
20M
7:13/mi
2:21:48
↑ 64↓ 500.2%
21M
8:07/mi
2:29:55
↑ 106↓ 241.6%
35K· 21.75 mi
7:01/mi
2:35:10
↑ 17↓ 861.7%
23M
7:21/mi
2:44:22
↑ 23↓ 630.6%
24M
7:03/mi
2:51:25
↓ 821.3%
40K· 24.85 mi
7:12/mi
2:57:34
↓ 200.3%
25.2M
7:53/mi
3:00:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:07:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:00
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0421:587:0421:58
7:04
-
10K
6.21 mi11:10:2644:207:0822:22
7:12
+0:08
15K
9.32 mi11:31:461:05:407:0321:20
6:52
-0:20
20K
12.43 mi11:53:291:27:237:0221:43
6:59
+0:07
Half
13.11 mi11:58:061:32:007:014:37
6:46
-0:13
25K
15.53 mi12:15:061:49:007:0117:00
7:01
+0:15
30K
18.64 mi12:38:052:11:597:0522:59
7:24
+0:23
20M
20.00 mi12:47:542:21:487:059:49
7:13
-0:11
21M
21.00 mi12:56:012:29:557:088:07
8:07
+0:54
35K
21.75 mi13:01:162:35:107:085:15
7:01
-1:06
23M
23.00 mi13:10:282:44:227:099:12
7:21
+0:20
24M
24.00 mi13:17:312:51:257:097:03
7:03
-0:18
40K
24.85 mi13:23:402:57:347:096:09
7:12
+0:09
25.2M
25.20 mi13:26:233:00:177:092:43
7:53
+0:41
Finish
26.22 mi13:33:503:07:447:107:27
7:19
-0:34

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

6:46 /mi

Average Pace

7:10 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:54

94% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

8:07

4% of race

Average Pace: 7:10 /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 mi10:48:0421:587:0421:58
7:04
#6689
10K
6.21 mi11:10:2644:207:0822:22
7:12
#7322
15K
9.32 mi11:31:461:05:407:0321:20
6:52
#6754
20K
12.43 mi11:53:291:27:237:0221:43
6:59
#6515
Half
13.11 mi11:58:061:32:007:014:37
6:46
#6451
25K
15.53 mi12:15:061:49:007:0117:00
7:01
#6324
30K
18.64 mi12:38:052:11:597:0522:59
7:24
#6294
20M
20.00 mi12:47:542:21:487:059:49
7:13
#6177
21M
21.00 mi12:56:012:29:557:088:07
8:07
#6215
35K
21.75 mi13:01:162:35:107:085:15
7:01
#6172
23M
23.00 mi13:10:282:44:227:099:12
7:21
#6081
24M
24.00 mi13:17:312:51:257:097:03
7:03
#5983
40K
24.85 mi13:23:402:57:347:096:09
7:12
#5888
25.2M
25.20 mi13:26:233:00:177:092:43
7:53
#5877
Finish
26.22 mi13:33:503:07:447:107:27
7:19
#5877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6689603360335708(Top 21%)5239(Top 35%)5239(Top 233%)
10K6.21 mi3.10 mi7322-6336498-4656498-4658070(Top 30%)6986(Top 46%)6986(Top 310%)
15K9.32 mi3.11 mi6754+5686069+4296069+4295708(Top 21%)5239(Top 35%)5239(Top 233%)
20K12.43 mi3.11 mi6515+2395876+1935876+1935918(Top 22%)5409(Top 36%)5409(Top 240%)
Half13.11 mi0.68 mi6451+645823+535823+535030(Top 19%)4662(Top 31%)4662(Top 207%)
25K15.53 mi2.42 mi6324+1275721+1025721+1025644(Top 21%)5176(Top 34%)5176(Top 230%)
30K18.64 mi3.11 mi6294+305680+415680+416580(Top 25%)5782(Top 38%)5782(Top 257%)
20M20.00 mi1.36 mi6177+1175583+975583+975244(Top 20%)4736(Top 31%)4736(Top 210%)
21M21.00 mi1.00 mi6215-385601-185601-188066(Top 30%)6502(Top 43%)6502(Top 289%)
35K21.75 mi0.75 mi6172+435565+365565+365444(Top 20%)4840(Top 32%)4840(Top 215%)
23M23.00 mi1.25 mi6081+915484+815484+815555(Top 21%)4878(Top 32%)4878(Top 217%)
24M24.00 mi1.00 mi5983+985395+895395+894914(Top 18%)4366(Top 29%)4366(Top 194%)
40K24.85 mi0.85 mi5888+955311+845311+844842(Top 18%)4242(Top 28%)4242(Top 188%)
25.2M25.20 mi0.35 mi5877+115297+145297+145763(Top 22%)4783(Top 32%)4783(Top 212%)
Finish26.22 mi1.02 mi58775291+65291+67177(Top 27%)5668(Top 37%)5668(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5708

Males

5239

M45-49

5239

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8070

Males

6986

M45-49

6986

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5708

Males

5239

M45-49

5239

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5918

Males

5409

M45-49

5409

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5030

Males

4662

M45-49

4662

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5644

Males

5176

M45-49

5176

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6580

Males

5782

M45-49

5782

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5244

Males

4736

M45-49

4736

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8066

Males

6502

M45-49

6502

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5444

Males

4840

M45-49

4840

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5555

Males

4878

M45-49

4878

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4914

Males

4366

M45-49

4366

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4842

Males

4242

M45-49

4242

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5763

Males

4783

M45-49

4783

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7177

Males

5668

M45-49

5668

Passing Analysis

Category:
Athletes Passed
1850
Passed By
1038
Net Change
+812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6689
5K → 10K34667-633#6689#7322
10K → 15K5768+568#7322#6754
15K → 20K25617+239#6754#6515
20K → Half651+64#6515#6451
Half → 25K14720+127#6451#6324
25K → 30K134104+30#6324#6294
30K → 20M13215+117#6294#6177
20M → 21M4381-38#6177#6215
21M → 35K5916+43#6215#6172
35K → 23M10918+91#6172#6081
23M → 24M10810+98#6081#5983
24M → 40K1049+95#5983#5888
40K → 25.2M2615+11#5888#5877
25.2M → Finish57570#5877#5877
TOTALS18501038+812
📊

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