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BOSTON MARATHON 2023

Fred Sipat

Bib: 17961•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 (M60-64)
#0 / 1110
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
8:43/mi
27:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
54:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:21:08
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:48:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:54:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:15:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:43:59
↑ 181↓ 1480.2%
20M
10:16/mi
2:57:56
↑ 64↓ 500.2%
21M
13:00/mi
3:10:56
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:18:41
↑ 17↓ 861.7%
23M
11:00/mi
3:32:27
↑ 23↓ 630.6%
24M
10:17/mi
3:42:44
↓ 821.3%
40K· 24.85 mi
11:02/mi
3:52:10
↓ 200.3%
25.2M
11:59/mi
3:56:18
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:06:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:23
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:12:16
Pace10:05 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5227:068:4327:06
8:43
-
10K
6.21 mi11:49:5354:078:4327:01
8:42
-0:01
15K
9.32 mi12:16:541:21:088:4227:01
8:42
0:00
20K
12.43 mi12:44:151:48:298:4427:21
8:48
+0:06
Half
13.11 mi12:50:091:54:238:445:54
8:39
-0:09
25K
15.53 mi13:11:272:15:418:4421:18
8:47
+0:08
30K
18.64 mi13:39:452:43:598:4828:18
9:07
+0:20
20M
20.00 mi13:53:422:57:568:5413:57
10:16
+1:09
21M
21.00 mi14:06:423:10:569:0613:00
13:00
+2:44
35K
21.75 mi14:14:273:18:419:087:45
10:22
-2:38
23M
23.00 mi14:28:133:32:279:1413:46
11:00
+0:38
24M
24.00 mi14:38:303:42:449:1710:17
10:17
-0:43
40K
24.85 mi14:47:563:52:109:209:26
11:02
+0:45
25.2M
25.20 mi14:52:043:56:189:234:08
11:59
+0:57
Finish
26.22 mi15:02:254:06:399:2510:21
10:09
-1:50

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

8:39 /mi

Average Pace

9:25 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:59

66% of race

Time at Steady Pace

42:20

17% of race

Time at Slower Pace

40:20

16% of race

Average Pace: 9:24 /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 mi11:22:5227:068:4327:06
8:43
#19027
10K
6.21 mi11:49:5354:078:4327:01
8:42
#19150
15K
9.32 mi12:16:541:21:088:4227:01
8:42
#19074
20K
12.43 mi12:44:151:48:298:4427:21
8:48
#18952
Half
13.11 mi12:50:091:54:238:445:54
8:39
#18944
25K
15.53 mi13:11:272:15:418:4421:18
8:47
#18768
30K
18.64 mi13:39:452:43:598:4828:18
9:07
#18564
20M
20.00 mi13:53:422:57:568:5413:57
10:16
#18855
21M
21.00 mi14:06:423:10:569:0613:00
13:00
#19482
35K
21.75 mi14:14:273:18:419:087:45
10:22
#19623
23M
23.00 mi14:28:133:32:279:1413:46
11:00
#19888
24M
24.00 mi14:38:303:42:449:1710:17
10:17
#19998
40K
24.85 mi14:47:563:52:109:209:26
11:02
#20121
25.2M
25.20 mi14:52:043:56:189:234:08
11:59
#20166
Finish
26.22 mi15:02:254:06:399:2510:21
10:09
#20233
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19027117901179018952(Top 71%)11861(Top 78%)11861(Top 1069%)
10K6.21 mi3.10 mi19150-12311883-9311883-9319396(Top 73%)12062(Top 79%)12062(Top 1087%)
15K9.32 mi3.11 mi19074+7611876+711876+718952(Top 71%)11861(Top 78%)11861(Top 1069%)
20K12.43 mi3.11 mi18952+12211839+3711839+3718694(Top 70%)11770(Top 78%)11770(Top 1060%)
Half13.11 mi0.68 mi18944+811837+211837+218596(Top 70%)11757(Top 77%)11757(Top 1059%)
25K15.53 mi2.42 mi18768+17611757+8011757+8017872(Top 67%)11355(Top 75%)11355(Top 1023%)
30K18.64 mi3.11 mi18564+20411641+11611641+11617732(Top 67%)11233(Top 74%)11233(Top 1012%)
20M20.00 mi1.36 mi18855-29111762-12111762-12121166(Top 80%)12642(Top 83%)12642(Top 1139%)
21M21.00 mi1.00 mi19482-62712012-25012012-25024073(Top 90%)13918(Top 92%)13918(Top 1254%)
35K21.75 mi0.75 mi19623-14112070-5812070-5822108(Top 83%)12968(Top 85%)12968(Top 1168%)
23M23.00 mi1.25 mi19888-26512169-9912169-9922321(Top 84%)13071(Top 86%)13071(Top 1178%)
24M24.00 mi1.00 mi19998-11012207-3812207-3821514(Top 81%)12637(Top 83%)12637(Top 1138%)
40K24.85 mi0.85 mi20121-12312243-3612243-3622418(Top 84%)13040(Top 86%)13040(Top 1175%)
25.2M25.20 mi0.35 mi20166-4512255-1212255-1222440(Top 84%)13042(Top 86%)13042(Top 1175%)
Finish26.22 mi1.02 mi20233-6712280-2512280-2522163(Top 83%)12932(Top 85%)12932(Top 1165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18952

Males

11861

M60-64

11861

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19396

Males

12062

M60-64

12062

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18952

Males

11861

M60-64

11861

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18694

Males

11770

M60-64

11770

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18596

Males

11757

M60-64

11757

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17872

Males

11355

M60-64

11355

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17732

Males

11233

M60-64

11233

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21166

Males

12642

M60-64

12642

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

24073

Males

13918

M60-64

13918

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22108

Males

12968

M60-64

12968

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22321

Males

13071

M60-64

13071

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21514

Males

12637

M60-64

12637

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22418

Males

13040

M60-64

13040

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22440

Males

13042

M60-64

13042

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22163

Males

12932

M60-64

12932

Passing Analysis

Category:
Athletes Passed
1378
Passed By
2584
Net Change
-1206
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19027
5K → 10K282405-123#19027#19150
10K → 15K218142+76#19150#19074
15K → 20K21391+122#19074#18952
20K → Half3931+8#18952#18944
Half → 25K20731+176#18944#18768
25K → 30K28177+204#18768#18564
30K → 20M26317-291#18564#18855
20M → 21M8635-627#18855#19482
21M → 35K14155-141#19482#19623
35K → 23M22287-265#19623#19888
23M → 24M22132-110#19888#19998
24M → 40K21144-123#19998#20121
40K → 25.2M853-45#20121#20166
25.2M → Finish1784-67#20166#20233
TOTALS13782584-1206
📊

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