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BOSTON MARATHON 2023

Scott Bassin

Bib: 24135•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Top 49%
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
9:31/mi
29:34
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
57:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:26:29
↑ 67↓ 78
20K· 12.43 mi
9:44/mi
1:56:42
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
2:03:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:51/mi
2:27:08
↑ 66↓ 880.2%
30K· 18.64 mi
10:25/mi
2:59:29
↑ 181↓ 1480.2%
20M
10:46/mi
3:14:07
↑ 64↓ 500.2%
21M
11:29/mi
3:25:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:33:20
↑ 17↓ 861.7%
23M
10:53/mi
3:46:57
↑ 23↓ 630.6%
24M
10:40/mi
3:57:37
↓ 821.3%
40K· 24.85 mi
10:43/mi
4:06:47
↓ 200.3%
25.2M
10:55/mi
4:10:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:55/mi
4:20:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:15
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:17:24
Pace10:29 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5729:349:3129:34
9:31
-
10K
6.21 mi12:12:5757:349:1628:00
9:01
-0:30
15K
9.32 mi12:41:521:26:299:1728:55
9:18
+0:17
20K
12.43 mi13:12:051:56:429:2330:13
9:44
+0:26
Half
13.11 mi13:18:382:03:159:246:33
9:36
-0:08
25K
15.53 mi13:42:312:27:089:2823:53
9:51
+0:15
30K
18.64 mi14:14:522:59:299:3832:21
10:25
+0:34
20M
20.00 mi14:29:303:14:079:4214:38
10:46
+0:21
21M
21.00 mi14:40:593:25:369:4711:29
11:29
+0:43
35K
21.75 mi14:48:433:33:209:497:44
10:20
-1:09
23M
23.00 mi15:02:203:46:579:5213:37
10:53
+0:33
24M
24.00 mi15:13:003:57:379:5410:40
10:40
-0:13
40K
24.85 mi15:22:104:06:479:569:10
10:43
+0:03
25.2M
25.20 mi15:25:564:10:339:573:46
10:55
+0:12
Finish
26.22 mi15:36:024:20:399:5710:06
9:55
-1:00

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

9:01 /mi

Average Pace

9:57 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:14

60% of race

Time at Steady Pace

50:45

19% of race

Time at Slower Pace

52:40

20% of race

Average Pace: 9:56 /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 mi11:44:5729:349:3129:34
9:31
#22134
10K
6.21 mi12:12:5757:349:1628:00
9:01
#21619
15K
9.32 mi12:41:521:26:299:1728:55
9:18
#21628
20K
12.43 mi13:12:051:56:429:2330:13
9:44
#21775
Half
13.11 mi13:18:382:03:159:246:33
9:36
#21805
25K
15.53 mi13:42:312:27:089:2823:53
9:51
#21808
30K
18.64 mi14:14:522:59:299:3832:21
10:25
#21851
20M
20.00 mi14:29:303:14:079:4214:38
10:46
#21894
21M
21.00 mi14:40:593:25:369:4711:29
11:29
#21904
35K
21.75 mi14:48:433:33:209:497:44
10:20
#21926
23M
23.00 mi15:02:203:46:579:5213:37
10:53
#21932
24M
24.00 mi15:13:003:57:379:5410:40
10:40
#21952
40K
24.85 mi15:22:104:06:479:569:10
10:43
#21936
25.2M
25.20 mi15:25:564:10:339:573:46
10:55
#21913
Finish
26.22 mi15:36:024:20:399:5710:06
9:55
#21899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22134131691316921654(Top 81%)13048(Top 86%)13048(Top 6126%)
10K6.21 mi3.10 mi21619+51512953+21612953+21620924(Top 79%)12687(Top 84%)12687(Top 5956%)
15K9.32 mi3.11 mi21628-912976-2312976-2321654(Top 81%)13048(Top 86%)13048(Top 6126%)
20K12.43 mi3.11 mi21775-14713056-8013056-8022226(Top 83%)13284(Top 88%)13284(Top 6237%)
Half13.11 mi0.68 mi21805-3013070-1413070-1422363(Top 84%)13350(Top 88%)13350(Top 6268%)
25K15.53 mi2.42 mi21808-313073-313073-321853(Top 82%)13073(Top 86%)13073(Top 6138%)
30K18.64 mi3.11 mi21851-4313080-713080-722024(Top 83%)13081(Top 86%)13081(Top 6141%)
20M20.00 mi1.36 mi21894-4313084-413084-422282(Top 84%)13130(Top 87%)13130(Top 6164%)
21M21.00 mi1.00 mi21904-1013081+313081+321846(Top 82%)12911(Top 85%)12911(Top 6062%)
35K21.75 mi0.75 mi21926-2213093-1213093-1222064(Top 83%)12952(Top 85%)12952(Top 6081%)
23M23.00 mi1.25 mi21932-613083+1013083+1022100(Top 83%)12958(Top 85%)12958(Top 6084%)
24M24.00 mi1.00 mi21952-2013079+413079+422367(Top 84%)13047(Top 86%)13047(Top 6125%)
40K24.85 mi0.85 mi21936+1613057+2213057+2221750(Top 82%)12713(Top 84%)12713(Top 5969%)
25.2M25.20 mi0.35 mi21913+2313039+1813039+1820266(Top 76%)12055(Top 79%)12055(Top 5660%)
Finish26.22 mi1.02 mi21899+1413024+1513024+1521503(Top 81%)12634(Top 83%)12634(Top 5931%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21654

Males

13048

M70-74

13048

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20924

Males

12687

M70-74

12687

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21654

Males

13048

M70-74

13048

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22226

Males

13284

M70-74

13284

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22363

Males

13350

M70-74

13350

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21853

Males

13073

M70-74

13073

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22024

Males

13081

M70-74

13081

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22282

Males

13130

M70-74

13130

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21846

Males

12911

M70-74

12911

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22064

Males

12952

M70-74

12952

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22100

Males

12958

M70-74

12958

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22367

Males

13047

M70-74

13047

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21750

Males

12713

M70-74

12713

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20266

Males

12055

M70-74

12055

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21503

Males

12634

M70-74

12634

Passing Analysis

Category:
Athletes Passed
1414
Passed By
1179
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22134
5K → 10K59479+515#22134#21619
10K → 15K160169-9#21619#21628
15K → 20K77224-147#21628#21775
20K → Half1848-30#21775#21805
Half → 25K9497-3#21805#21808
25K → 30K135178-43#21808#21851
30K → 20M60103-43#21851#21894
20M → 21M5565-10#21894#21904
21M → 35K1840-22#21904#21926
35K → 23M5864-6#21926#21932
23M → 24M3454-20#21932#21952
24M → 40K4024+16#21952#21936
40K → 25.2M318+23#21936#21913
25.2M → Finish4026+14#21913#21899
TOTALS14141179+235
📊

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