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BOSTON MARATHON 2023

Reuben Keller

Bib: 6625•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M45-49)
#0 / 2252
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
7:02/mi
21:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:42/mi
1:03:45
↑ 67↓ 78
20K· 12.43 mi
6:45/mi
1:24:42
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:29:16
↑ 19↓ 370.5%
25K· 15.53 mi
6:45/mi
1:45:37
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:07:06
↑ 181↓ 1480.2%
20M
7:15/mi
2:16:58
↑ 64↓ 500.2%
21M
7:15/mi
2:24:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:29:25
↑ 17↓ 861.7%
23M
7:19/mi
2:38:35
↑ 23↓ 630.6%
24M
7:19/mi
2:45:54
↓ 821.3%
40K· 24.85 mi
7:37/mi
2:52:25
↓ 200.3%
25.2M
8:27/mi
2:55:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:03:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:16
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:34:12
Pace7:11 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1921:517:0221:51
7:02
-
10K
6.21 mi10:46:2542:576:5521:06
6:47
-0:15
15K
9.32 mi11:07:131:03:456:5020:48
6:42
-0:05
20K
12.43 mi11:28:101:24:426:4920:57
6:45
+0:03
Half
13.11 mi11:32:441:29:166:494:34
6:42
-0:03
25K
15.53 mi11:49:051:45:376:4816:21
6:45
+0:03
30K
18.64 mi12:10:342:07:066:4921:29
6:55
+0:10
20M
20.00 mi12:20:262:16:586:519:52
7:15
+0:20
21M
21.00 mi12:27:412:24:136:527:15
7:15
0:00
35K
21.75 mi12:32:532:29:256:525:12
6:57
-0:18
23M
23.00 mi12:42:032:38:356:549:10
7:19
+0:22
24M
24.00 mi12:49:222:45:546:557:19
7:19
0:00
40K
24.85 mi12:55:532:52:256:566:31
7:37
+0:18
25.2M
25.20 mi12:58:482:55:206:572:55
8:27
+0:50
Finish
26.22 mi13:06:563:03:287:008:08
7:59
-0:28

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

6:42 /mi

Average Pace

7:00 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:46

46% of race

Time at Steady Pace

1:05:39

36% of race

Time at Slower Pace

34:03

19% of race

Average Pace: 7:00 /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 mi10:25:1921:517:0221:51
7:02
#6441
10K
6.21 mi10:46:2542:576:5521:06
6:47
#5897
15K
9.32 mi11:07:131:03:456:5020:48
6:42
#5362
20K
12.43 mi11:28:101:24:426:4920:57
6:45
#4980
Half
13.11 mi11:32:441:29:166:494:34
6:42
#4947
25K
15.53 mi11:49:051:45:376:4816:21
6:45
#4688
30K
18.64 mi12:10:342:07:066:4921:29
6:55
#4470
20M
20.00 mi12:20:262:16:586:519:52
7:15
#4566
21M
21.00 mi12:27:412:24:136:527:15
7:15
#4473
35K
21.75 mi12:32:532:29:256:525:12
6:57
#4496
23M
23.00 mi12:42:032:38:356:549:10
7:19
#4561
24M
24.00 mi12:49:222:45:546:557:19
7:19
#4624
40K
24.85 mi12:55:532:52:256:566:31
7:37
#4702
25.2M
25.20 mi12:58:482:55:206:572:55
8:27
#4747
Finish
26.22 mi13:06:563:03:287:008:08
7:59
#4938
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6441583958394091(Top 15%)3840(Top 25%)3840(Top 171%)
10K6.21 mi3.10 mi5897+5445405+4345405+4345209(Top 20%)4818(Top 32%)4818(Top 214%)
15K9.32 mi3.11 mi5362+5354960+4454960+4454091(Top 15%)3840(Top 25%)3840(Top 171%)
20K12.43 mi3.11 mi4980+3824632+3284632+3283935(Top 15%)3709(Top 24%)3709(Top 165%)
Half13.11 mi0.68 mi4947+334602+304602+304322(Top 16%)4046(Top 27%)4046(Top 180%)
25K15.53 mi2.42 mi4688+2594367+2354367+2353710(Top 14%)3495(Top 23%)3495(Top 155%)
30K18.64 mi3.11 mi4470+2184177+1904177+1903771(Top 14%)3537(Top 23%)3537(Top 157%)
20M20.00 mi1.36 mi4566-964258-814258-815402(Top 20%)4842(Top 32%)4842(Top 215%)
21M21.00 mi1.00 mi4473+934175+834175+833400(Top 13%)3160(Top 21%)3160(Top 140%)
35K21.75 mi0.75 mi4496-234192-174192-175050(Top 19%)4525(Top 30%)4525(Top 201%)
23M23.00 mi1.25 mi4561-654247-554247-555405(Top 20%)4758(Top 31%)4758(Top 211%)
24M24.00 mi1.00 mi4624-634305-584305-586439(Top 24%)5369(Top 35%)5369(Top 238%)
40K24.85 mi0.85 mi4702-784361-564361-567406(Top 28%)5866(Top 39%)5866(Top 260%)
25.2M25.20 mi0.35 mi4747-454393-324393-329121(Top 34%)6781(Top 45%)6781(Top 301%)
Finish26.22 mi1.02 mi4938-1914540-1474540-14711935(Top 45%)8233(Top 54%)8233(Top 366%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4091

Males

3840

M45-49

3840

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5209

Males

4818

M45-49

4818

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4091

Males

3840

M45-49

3840

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

3935

Males

3709

M45-49

3709

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4322

Males

4046

M45-49

4046

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3710

Males

3495

M45-49

3495

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3771

Males

3537

M45-49

3537

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5402

Males

4842

M45-49

4842

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3400

Males

3160

M45-49

3160

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5050

Males

4525

M45-49

4525

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5405

Males

4758

M45-49

4758

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6439

Males

5369

M45-49

5369

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7406

Males

5866

M45-49

5866

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9121

Males

6781

M45-49

6781

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11935

Males

8233

M45-49

8233

Passing Analysis

Category:
Athletes Passed
2360
Passed By
857
Net Change
+1503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6441
5K → 10K57430+544#6441#5897
10K → 15K5449+535#5897#5362
15K → 20K3875+382#5362#4980
20K → Half418+33#4980#4947
Half → 25K2678+259#4947#4688
25K → 30K24729+218#4688#4470
30K → 20M37133-96#4470#4566
20M → 21M11118+93#4566#4473
21M → 35K3457-23#4473#4496
35K → 23M49114-65#4496#4561
23M → 24M3093-63#4561#4624
24M → 40K2098-78#4624#4702
40K → 25.2M954-45#4702#4747
25.2M → Finish10201-191#4747#4938
TOTALS2360857+1503
📊

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