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BOSTON MARATHON 2023

Alexander Moffat

Bib: 19049•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 (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
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
52:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:19:28
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:46:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:52:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:13:43
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:43:37
↑ 181↓ 1480.2%
20M
9:57/mi
2:57:08
↑ 64↓ 500.2%
21M
11:37/mi
3:08:45
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:16:25
↑ 17↓ 861.7%
23M
10:55/mi
3:30:05
↑ 23↓ 630.6%
24M
10:24/mi
3:40:29
↓ 821.3%
40K· 24.85 mi
10:27/mi
3:49:25
↓ 200.3%
25.2M
12:02/mi
3:53:34
↑ 13↓ 160.2%
Finish· 26.22 mi
10:54/mi
4:04:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:06
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:12:34
Pace10:07 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1126:308:3226:30
8:32
-
10K
6.21 mi11:44:2852:478:3026:17
8:28
-0:04
15K
9.32 mi12:11:091:19:288:3226:41
8:35
+0:07
20K
12.43 mi12:37:561:46:158:3326:47
8:37
+0:02
Half
13.11 mi12:43:471:52:068:335:51
8:34
-0:03
25K
15.53 mi13:05:242:13:438:3621:37
8:55
+0:21
30K
18.64 mi13:35:182:43:378:4729:54
9:37
+0:42
20M
20.00 mi13:48:492:57:088:5113:31
9:57
+0:20
21M
21.00 mi14:00:263:08:458:5911:37
11:37
+1:40
35K
21.75 mi14:08:063:16:259:027:40
10:15
-1:22
23M
23.00 mi14:21:463:30:059:0813:40
10:55
+0:40
24M
24.00 mi14:32:103:40:299:1110:24
10:24
-0:31
40K
24.85 mi14:41:063:49:259:148:56
10:27
+0:03
25.2M
25.20 mi14:45:153:53:349:164:09
12:02
+1:35
Finish
26.22 mi14:56:214:04:409:2011:06
10:54
-1:08

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

8:28 /mi

Average Pace

9:20 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:43

55% of race

Time at Steady Pace

1:10:25

29% of race

Time at Slower Pace

40:32

17% of race

Average Pace: 9:20 /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 mi11:18:1126:308:3226:30
8:32
#17752
10K
6.21 mi11:44:2852:478:3026:17
8:28
#17873
15K
9.32 mi12:11:091:19:288:3226:41
8:35
#18004
20K
12.43 mi12:37:561:46:158:3326:47
8:37
#17883
Half
13.11 mi12:43:471:52:068:335:51
8:34
#17899
25K
15.53 mi13:05:242:13:438:3621:37
8:55
#18003
30K
18.64 mi13:35:182:43:378:4729:54
9:37
#18440
20M
20.00 mi13:48:492:57:088:5113:31
9:57
#18655
21M
21.00 mi14:00:263:08:458:5911:37
11:37
#19000
35K
21.75 mi14:08:063:16:259:027:40
10:15
#19162
23M
23.00 mi14:21:463:30:059:0813:40
10:55
#19456
24M
24.00 mi14:32:103:40:299:1110:24
10:24
#19608
40K
24.85 mi14:41:063:49:259:148:56
10:27
#19704
25.2M
25.20 mi14:45:153:53:349:164:09
12:02
#19777
Finish
26.22 mi14:56:214:04:409:2011:06
10:54
#19995
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17752113341133418359(Top 69%)11631(Top 77%)11631(Top 1048%)
10K6.21 mi3.10 mi17873-12111405-7111405-7117990(Top 68%)11503(Top 76%)11503(Top 1036%)
15K9.32 mi3.11 mi18004-13111455-5011455-5018359(Top 69%)11631(Top 77%)11631(Top 1048%)
20K12.43 mi3.11 mi17883+12111406+4911406+4917627(Top 66%)11306(Top 74%)11306(Top 1019%)
Half13.11 mi0.68 mi17899-1611418-1211418-1218171(Top 68%)11577(Top 76%)11577(Top 1043%)
25K15.53 mi2.42 mi18003-10411447-2911447-2918536(Top 70%)11647(Top 77%)11647(Top 1049%)
30K18.64 mi3.11 mi18440-43711586-13911586-13919876(Top 75%)12159(Top 80%)12159(Top 1095%)
20M20.00 mi1.36 mi18655-21511677-9111677-9120323(Top 76%)12260(Top 81%)12260(Top 1105%)
21M21.00 mi1.00 mi19000-34511814-13711814-13722075(Top 83%)13012(Top 86%)13012(Top 1172%)
35K21.75 mi0.75 mi19162-16211871-5711871-5721863(Top 82%)12866(Top 85%)12866(Top 1159%)
23M23.00 mi1.25 mi19456-29411994-12311994-12322169(Top 83%)12995(Top 86%)12995(Top 1171%)
24M24.00 mi1.00 mi19608-15212046-5212046-5221787(Top 82%)12764(Top 84%)12764(Top 1150%)
40K24.85 mi0.85 mi19704-9612076-3012076-3021077(Top 79%)12393(Top 82%)12393(Top 1116%)
25.2M25.20 mi0.35 mi19777-7312099-2312099-2322529(Top 85%)13084(Top 86%)13084(Top 1179%)
Finish26.22 mi1.02 mi19995-21812183-8412183-8423766(Top 89%)13704(Top 90%)13704(Top 1235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18359

Males

11631

M60-64

11631

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17990

Males

11503

M60-64

11503

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18359

Males

11631

M60-64

11631

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17627

Males

11306

M60-64

11306

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18171

Males

11577

M60-64

11577

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18536

Males

11647

M60-64

11647

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19876

Males

12159

M60-64

12159

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20323

Males

12260

M60-64

12260

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22075

Males

13012

M60-64

13012

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21863

Males

12866

M60-64

12866

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22169

Males

12995

M60-64

12995

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21787

Males

12764

M60-64

12764

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21077

Males

12393

M60-64

12393

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22529

Males

13084

M60-64

13084

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23766

Males

13704

M60-64

13704

Passing Analysis

Category:
Athletes Passed
974
Passed By
3217
Net Change
-2243
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17752
5K → 10K248369-121#17752#17873
10K → 15K146277-131#17873#18004
15K → 20K235114+121#18004#17883
20K → Half2642-16#17883#17899
Half → 25K99203-104#17899#18003
25K → 30K77514-437#18003#18440
30K → 20M35250-215#18440#18655
20M → 21M13358-345#18655#19000
21M → 35K13175-162#19000#19162
35K → 23M25319-294#19162#19456
23M → 24M21173-152#19456#19608
24M → 40K23119-96#19608#19704
40K → 25.2M679-73#19704#19777
25.2M → Finish7225-218#19777#19995
TOTALS9743217-2243
📊

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