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BOSTON MARATHON 2023

Mike Knobler

Bib: 18132•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:29/mi
26:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
52:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:19:52
↑ 67↓ 78
20K· 12.43 mi
8:41/mi
1:46:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:52:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:13:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:41:12
↑ 181↓ 1480.2%
20M
8:57/mi
2:53:22
↑ 64↓ 500.2%
21M
9:10/mi
3:02:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:08:48
↑ 17↓ 861.7%
23M
8:32/mi
3:19:29
↑ 23↓ 630.6%
24M
8:13/mi
3:27:42
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:34:52
↓ 200.3%
25.2M
8:54/mi
3:37:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:55/mi
3:47:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:41
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:54:20
Pace8:43 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3526:228:2926:22
8:29
-
10K
6.21 mi11:44:0952:568:3126:34
8:33
+0:04
15K
9.32 mi12:11:051:19:528:3426:56
8:40
+0:07
20K
12.43 mi12:38:031:46:508:3626:58
8:41
+0:01
Half
13.11 mi12:43:541:52:418:365:51
8:34
-0:07
25K
15.53 mi13:04:512:13:388:3620:57
8:38
+0:04
30K
18.64 mi13:32:252:41:128:3927:34
8:52
+0:14
20M
20.00 mi13:44:352:53:228:4012:10
8:57
+0:05
21M
21.00 mi13:53:453:02:328:429:10
9:10
+0:13
35K
21.75 mi14:00:013:08:488:416:16
8:23
-0:47
23M
23.00 mi14:10:423:19:298:4010:41
8:32
+0:09
24M
24.00 mi14:18:553:27:428:398:13
8:13
-0:19
40K
24.85 mi14:26:053:34:528:397:10
8:23
+0:10
25.2M
25.20 mi14:29:093:37:568:393:04
8:54
+0:31
Finish
26.22 mi14:38:143:47:018:409:05
8:55
+0:01

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

8:13 /mi

Average Pace

8:40 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:51

96% of race

Time at Steady Pace

9:10

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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 mi11:17:3526:228:2926:22
8:29
#17462
10K
6.21 mi11:44:0952:568:3126:34
8:33
#18005
15K
9.32 mi12:11:051:19:528:3426:56
8:40
#18284
20K
12.43 mi12:38:031:46:508:3626:58
8:41
#18180
Half
13.11 mi12:43:541:52:418:365:51
8:34
#18181
25K
15.53 mi13:04:512:13:388:3620:57
8:38
#17965
30K
18.64 mi13:32:252:41:128:3927:34
8:52
#17642
20M
20.00 mi13:44:352:53:228:4012:10
8:57
#17537
21M
21.00 mi13:53:453:02:328:429:10
9:10
#17325
35K
21.75 mi14:00:013:08:488:416:16
8:23
#17232
23M
23.00 mi14:10:423:19:298:4010:41
8:32
#17004
24M
24.00 mi14:18:553:27:428:398:13
8:13
#16842
40K
24.85 mi14:26:053:34:528:397:10
8:23
#16682
25.2M
25.20 mi14:29:093:37:568:393:04
8:54
#16589
Finish
26.22 mi14:38:143:47:018:409:05
8:55
#16621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17462112111121118818(Top 71%)11804(Top 78%)11804(Top 830%)
10K6.21 mi3.10 mi18005-54311446-23511446-23518558(Top 70%)11730(Top 77%)11730(Top 825%)
15K9.32 mi3.11 mi18284-27911580-13411580-13418818(Top 71%)11804(Top 78%)11804(Top 830%)
20K12.43 mi3.11 mi18180+10411542+3811542+3817978(Top 68%)11457(Top 75%)11457(Top 806%)
Half13.11 mi0.68 mi18181-111538+411538+418114(Top 68%)11520(Top 76%)11520(Top 810%)
25K15.53 mi2.42 mi17965+21611426+11211426+11217030(Top 64%)10983(Top 72%)10983(Top 772%)
30K18.64 mi3.11 mi17642+32311280+14611280+14616492(Top 62%)10687(Top 70%)10687(Top 752%)
20M20.00 mi1.36 mi17537+10511216+6411216+6416278(Top 61%)10524(Top 69%)10524(Top 740%)
21M21.00 mi1.00 mi17325+21211114+10211114+10214295(Top 54%)9628(Top 63%)9628(Top 677%)
35K21.75 mi0.75 mi17232+9311066+4811066+4814564(Top 55%)9682(Top 64%)9682(Top 681%)
23M23.00 mi1.25 mi17004+22810955+11110955+11113428(Top 50%)9116(Top 60%)9116(Top 641%)
24M24.00 mi1.00 mi16842+16210869+8610869+8612727(Top 48%)8742(Top 58%)8742(Top 615%)
40K24.85 mi0.85 mi16682+16010790+7910790+7912583(Top 47%)8591(Top 57%)8591(Top 604%)
25.2M25.20 mi0.35 mi16589+9310746+4410746+4411888(Top 45%)8231(Top 54%)8231(Top 579%)
Finish26.22 mi1.02 mi16621-3210750-410750-417538(Top 66%)10838(Top 71%)10838(Top 762%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18818

Males

11804

M55-59

11804

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18558

Males

11730

M55-59

11730

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18818

Males

11804

M55-59

11804

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17978

Males

11457

M55-59

11457

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18114

Males

11520

M55-59

11520

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17030

Males

10983

M55-59

10983

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16492

Males

10687

M55-59

10687

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16278

Males

10524

M55-59

10524

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14295

Males

9628

M55-59

9628

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14564

Males

9682

M55-59

9682

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13428

Males

9116

M55-59

9116

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12727

Males

8742

M55-59

8742

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12583

Males

8591

M55-59

8591

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11888

Males

8231

M55-59

8231

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17538

Males

10838

M55-59

10838

Passing Analysis

Category:
Athletes Passed
2241
Passed By
1400
Net Change
+841
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17462
5K → 10K123666-543#17462#18005
10K → 15K98377-279#18005#18284
15K → 20K212108+104#18284#18180
20K → Half2627-1#18180#18181
Half → 25K25337+216#18181#17965
25K → 30K36239+323#17965#17642
30K → 20M13631+105#17642#17537
20M → 21M22210+212#17537#17325
21M → 35K1029+93#17325#17232
35K → 23M24012+228#17232#17004
23M → 24M1686+162#17004#16842
24M → 40K1644+160#16842#16682
40K → 25.2M963+93#16682#16589
25.2M → Finish3971-32#16589#16621
TOTALS22411400+841
📊

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