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BOSTON MARATHON 2023

Mitchell Lampert

Bib: 23470•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
9:03/mi
28:08
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
56:29
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:25:19
↑ 67↓ 78
20K· 12.43 mi
11:09/mi
1:59:57
↑ 106↓ 860.1%
Half· 13.11 mi
13:17/mi
2:09:01
↑ 19↓ 370.5%
25K· 15.53 mi
14:06/mi
2:43:12
↑ 66↓ 880.2%
30K· 18.64 mi
15:08/mi
3:30:14
↑ 181↓ 1480.2%
20M
15:24/mi
3:51:10
↑ 64↓ 500.2%
21M
17:28/mi
4:08:38
↑ 106↓ 241.6%
35K· 21.75 mi
13:47/mi
4:18:57
↑ 17↓ 861.7%
23M
16:05/mi
4:39:05
↑ 23↓ 630.6%
24M
15:59/mi
4:55:04
↓ 821.3%
40K· 24.85 mi
17:01/mi
5:09:37
↓ 200.3%
25.2M
19:14/mi
5:16:15
↑ 13↓ 160.2%
Finish· 26.22 mi
13:45/mi
5:30:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:01
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time3:21:15
Pace15:21 /mi
📊Positive Split: 56.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2328:089:0328:08
9:03
-
10K
6.21 mi11:51:4456:299:0528:21
9:07
+0:04
15K
9.32 mi12:20:341:25:199:0928:50
9:17
+0:10
20K
12.43 mi12:55:121:59:579:3934:38
11:09
+1:52
Half
13.11 mi13:04:162:09:019:509:04
13:17
+2:08
25K
15.53 mi13:38:272:43:1210:3034:11
14:06
+0:49
30K
18.64 mi14:25:293:30:1411:1747:02
15:08
+1:02
20M
20.00 mi14:46:253:51:1011:3320:56
15:24
+0:16
21M
21.00 mi15:03:534:08:3811:5017:28
17:28
+2:04
35K
21.75 mi15:14:124:18:5711:5410:19
13:47
-3:41
23M
23.00 mi15:34:204:39:0512:0820:08
16:05
+2:18
24M
24.00 mi15:50:194:55:0412:1815:59
15:59
-0:06
40K
24.85 mi16:04:525:09:3712:2714:33
17:01
+1:02
25.2M
25.20 mi16:11:305:16:1512:336:38
19:14
+2:13
Finish
26.22 mi16:25:315:30:1612:3614:01
13:45
-5:29

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

9:03 /mi

Average Pace

12:36 /mi

Slowest Pace

19:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:57

36% of race

Time at Steady Pace

2:15:33

41% of race

Time at Slower Pace

1:14:46

23% of race

Average Pace: 12:36 /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 mi11:23:2328:089:0328:08
9:03
#20683
10K
6.21 mi11:51:4456:299:0528:21
9:07
#21014
15K
9.32 mi12:20:341:25:199:0928:50
9:17
#21223
20K
12.43 mi12:55:121:59:579:3934:38
11:09
#22560
Half
13.11 mi13:04:162:09:019:509:04
13:17
#23040
25K
15.53 mi13:38:272:43:1210:3034:11
14:06
#24179
30K
18.64 mi14:25:293:30:1411:1747:02
15:08
#25063
20M
20.00 mi14:46:253:51:1011:3320:56
15:24
#25288
21M
21.00 mi15:03:534:08:3811:5017:28
17:28
#25453
35K
21.75 mi15:14:124:18:5711:5410:19
13:47
#25484
23M
23.00 mi15:34:204:39:0512:0820:08
16:05
#25622
24M
24.00 mi15:50:194:55:0412:1815:59
15:59
#25729
40K
24.85 mi16:04:525:09:3712:2714:33
17:01
#25812
25.2M
25.20 mi16:11:305:16:1512:336:38
19:14
#25860
Finish
26.22 mi16:25:315:30:1612:3614:01
13:45
#25899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20683124501245021576(Top 81%)13012(Top 86%)13012(Top 2370%)
10K6.21 mi3.10 mi21014-33112664-21412664-21421374(Top 80%)12874(Top 85%)12874(Top 2345%)
15K9.32 mi3.11 mi21223-20912801-13712801-13721576(Top 81%)13012(Top 86%)13012(Top 2370%)
20K12.43 mi3.11 mi22560-133713420-61913420-61924809(Top 93%)14416(Top 95%)14416(Top 2626%)
Half13.11 mi0.68 mi23040-48013651-23113651-23126420(Top 99%)15080(Top 99%)15080(Top 2747%)
25K15.53 mi2.42 mi24179-113914154-50314154-50326378(Top 99%)15067(Top 99%)15067(Top 2744%)
30K18.64 mi3.11 mi25063-88414518-36414518-36426459(Top 99%)15094(Top 99%)15094(Top 2749%)
20M20.00 mi1.36 mi25288-22514610-9214610-9226402(Top 99%)15055(Top 99%)15055(Top 2742%)
21M21.00 mi1.00 mi25453-16514671-6114671-6126510(Top 100%)15125(Top 100%)15125(Top 2755%)
35K21.75 mi0.75 mi25484-3114681-1014681-1026054(Top 98%)14872(Top 98%)14872(Top 2709%)
23M23.00 mi1.25 mi25622-13814742-6114742-6126502(Top 100%)15104(Top 100%)15104(Top 2751%)
24M24.00 mi1.00 mi25729-10714788-4614788-4626524(Top 100%)15115(Top 100%)15115(Top 2753%)
40K24.85 mi0.85 mi25812-8314822-3414822-3426534(Top 100%)15120(Top 100%)15120(Top 2754%)
25.2M25.20 mi0.35 mi25860-4814846-2414846-2426568(Top 100%)15141(Top 100%)15141(Top 2758%)
Finish26.22 mi1.02 mi25899-3914867-2114867-2126290(Top 99%)14963(Top 99%)14963(Top 2726%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21576

Males

13012

M65-69

13012

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21374

Males

12874

M65-69

12874

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21576

Males

13012

M65-69

13012

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24809

Males

14416

M65-69

14416

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26420

Males

15080

M65-69

15080

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26378

Males

15067

M65-69

15067

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26459

Males

15094

M65-69

15094

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26402

Males

15055

M65-69

15055

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26510

Males

15125

M65-69

15125

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26054

Males

14872

M65-69

14872

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

26502

Males

15104

M65-69

15104

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26524

Males

15115

M65-69

15115

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26534

Males

15120

M65-69

15120

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26568

Males

15141

M65-69

15141

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26290

Males

14963

M65-69

14963

Passing Analysis

Category:
Athletes Passed
286
Passed By
5502
Net Change
-5216
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20683
5K → 10K164495-331#20683#21014
10K → 15K89298-209#21014#21223
15K → 20K51342-1337#21223#22560
20K → Half0480-480#22560#23040
Half → 25K21141-1139#23040#24179
25K → 30K2886-884#24179#25063
30K → 20M5230-225#25063#25288
20M → 21M1166-165#25288#25453
21M → 35K1041-31#25453#25484
35K → 23M3141-138#25484#25622
23M → 24M2109-107#25622#25729
24M → 40K184-83#25729#25812
40K → 25.2M048-48#25812#25860
25.2M → Finish241-39#25860#25899
TOTALS2865502-5216
📊

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