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BOSTON MARATHON 2023

Bill Guerrette

Bib: 26001•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
10:36/mi
32:55
↑ 97↓ 3451.5%
10K· 6.21 mi
10:54/mi
1:06:48
↑ 79↓ 1380.4%
15K· 9.32 mi
11:00/mi
1:40:59
↑ 67↓ 78
20K· 12.43 mi
11:31/mi
2:16:45
↑ 106↓ 860.1%
Half· 13.11 mi
10:45/mi
2:24:05
↑ 19↓ 370.5%
25K· 15.53 mi
12:11/mi
2:53:38
↑ 66↓ 880.2%
30K· 18.64 mi
13:21/mi
3:35:08
↑ 181↓ 1480.2%
20M
12:03/mi
3:51:31
↑ 64↓ 500.2%
21M
11:44/mi
4:03:15
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
4:10:42
↑ 17↓ 861.7%
23M
10:29/mi
4:23:50
↑ 23↓ 630.6%
24M
10:27/mi
4:34:17
↓ 821.3%
40K· 24.85 mi
10:07/mi
4:42:56
↓ 200.3%
25.2M
10:44/mi
4:46:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
4:55:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:05
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time2:31:35
Pace11:34 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0632:5510:3632:55
10:36
-
10K
6.21 mi12:27:591:06:4810:4533:53
10:54
+0:18
15K
9.32 mi13:02:101:40:5910:5034:11
11:00
+0:06
20K
12.43 mi13:37:562:16:4511:0035:46
11:31
+0:31
Half
13.11 mi13:45:162:24:0510:597:20
10:45
-0:46
25K
15.53 mi14:14:492:53:3811:1129:33
12:11
+1:26
30K
18.64 mi14:56:193:35:0811:3241:30
13:21
+1:10
20M
20.00 mi15:12:423:51:3111:3516:23
12:03
-1:18
21M
21.00 mi15:24:264:03:1511:3511:44
11:44
-0:19
35K
21.75 mi15:31:534:10:4211:327:27
9:57
-1:47
23M
23.00 mi15:45:014:23:5011:2813:08
10:29
+0:32
24M
24.00 mi15:55:284:34:1711:2610:27
10:27
-0:02
40K
24.85 mi16:04:074:42:5611:238:39
10:07
-0:20
25.2M
25.20 mi16:07:494:46:3811:223:42
10:44
+0:37
Finish
26.22 mi16:16:514:55:4011:179:02
8:52
-1:52

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

8:52 /mi

Average Pace

11:17 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:08

9% of race

Time at Steady Pace

2:15:36

46% of race

Time at Slower Pace

2:14:56

46% of race

Average Pace: 11:17 /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 mi11:54:0632:5510:3632:55
10:36
#24942
10K
6.21 mi12:27:591:06:4810:4533:53
10:54
#25169
15K
9.32 mi13:02:101:40:5910:5034:11
11:00
#25190
20K
12.43 mi13:37:562:16:4511:0035:46
11:31
#25224
Half
13.11 mi13:45:162:24:0510:597:20
10:45
#25180
25K
15.53 mi14:14:492:53:3811:1129:33
12:11
#25241
30K
18.64 mi14:56:193:35:0811:3241:30
13:21
#25363
20M
20.00 mi15:12:423:51:3111:3516:23
12:03
#25306
21M
21.00 mi15:24:264:03:1511:3511:44
11:44
#25181
35K
21.75 mi15:31:534:10:4211:327:27
9:57
#25099
23M
23.00 mi15:45:014:23:5011:2813:08
10:29
#24953
24M
24.00 mi15:55:284:34:1711:2610:27
10:27
#24851
40K
24.85 mi16:04:074:42:5611:238:39
10:07
#24743
25.2M
25.20 mi16:07:494:46:3811:223:42
10:44
#24688
Finish
26.22 mi16:16:514:55:4011:179:02
8:52
#24551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24942145141451425169(Top 95%)14595(Top 96%)14595(Top 648%)
10K6.21 mi3.10 mi25169-22714618-10414618-10425347(Top 95%)14688(Top 97%)14688(Top 652%)
15K9.32 mi3.11 mi25190-2114622-414622-425169(Top 95%)14595(Top 96%)14595(Top 648%)
20K12.43 mi3.11 mi25224-3414619+314619+325254(Top 95%)14599(Top 96%)14599(Top 648%)
Half13.11 mi0.68 mi25180+4414598+2114598+2124586(Top 92%)14303(Top 94%)14303(Top 635%)
25K15.53 mi2.42 mi25241-6114611-1314611-1325304(Top 95%)14593(Top 96%)14593(Top 648%)
30K18.64 mi3.11 mi25363-12214645-3414645-3425669(Top 96%)14715(Top 97%)14715(Top 653%)
20M20.00 mi1.36 mi25306+5714618+2714618+2724265(Top 91%)14021(Top 92%)14021(Top 623%)
21M21.00 mi1.00 mi25181+12514556+6214556+6222290(Top 84%)13113(Top 86%)13113(Top 582%)
35K21.75 mi0.75 mi25099+8214513+4314513+4321154(Top 79%)12564(Top 83%)12564(Top 558%)
23M23.00 mi1.25 mi24953+14614439+7414439+7421293(Top 80%)12596(Top 83%)12596(Top 559%)
24M24.00 mi1.00 mi24851+10214384+5514384+5521920(Top 82%)12842(Top 85%)12842(Top 570%)
40K24.85 mi0.85 mi24743+10814333+5114333+5120282(Top 76%)12057(Top 79%)12057(Top 535%)
25.2M25.20 mi0.35 mi24688+5514308+2514308+2519785(Top 74%)11837(Top 78%)11837(Top 526%)
Finish26.22 mi1.02 mi24551+13714239+6914239+6917340(Top 65%)10771(Top 71%)10771(Top 478%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25169

Males

14595

M45-49

14595

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25347

Males

14688

M45-49

14688

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25169

Males

14595

M45-49

14595

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25254

Males

14599

M45-49

14599

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24586

Males

14303

M45-49

14303

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25304

Males

14593

M45-49

14593

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25669

Males

14715

M45-49

14715

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24265

Males

14021

M45-49

14021

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22290

Males

13113

M45-49

13113

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21154

Males

12564

M45-49

12564

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21293

Males

12596

M45-49

12596

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21920

Males

12842

M45-49

12842

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20282

Males

12057

M45-49

12057

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19785

Males

11837

M45-49

11837

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17340

Males

10771

M45-49

10771

Passing Analysis

Category:
Athletes Passed
1241
Passed By
850
Net Change
+391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24942
5K → 10K99326-227#24942#25169
10K → 15K103124-21#25169#25190
15K → 20K80114-34#25190#25224
20K → Half495+44#25224#25180
Half → 25K49110-61#25180#25241
25K → 30K37159-122#25241#25363
30K → 20M6811+57#25363#25306
20M → 21M1250+125#25306#25181
21M → 35K820+82#25181#25099
35K → 23M1460+146#25099#24953
23M → 24M1020+102#24953#24851
24M → 40K1091+108#24851#24743
40K → 25.2M550+55#24743#24688
25.2M → Finish1370+137#24688#24551
TOTALS1241850+391
📊

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