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BOSTON MARATHON 2023

Alfred Murphy

Bib: 11819•M

NM

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
7:35/mi
23:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
47:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:13:55
↑ 67↓ 78
20K· 12.43 mi
8:23/mi
1:39:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:45:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:06:54
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:35:29
↑ 181↓ 1480.2%
20M
9:05/mi
2:47:49
↑ 64↓ 500.2%
21M
9:35/mi
2:57:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:04:20
↑ 17↓ 861.7%
23M
9:33/mi
3:16:18
↑ 23↓ 630.6%
24M
9:09/mi
3:25:27
↓ 821.3%
40K· 24.85 mi
9:44/mi
3:33:46
↓ 200.3%
25.2M
10:26/mi
3:37:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:05/mi
3:46:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:01:06
Pace9:14 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2023:347:3523:34
7:35
-
10K
6.21 mi11:14:4447:587:4324:24
7:51
+0:16
15K
9.32 mi11:40:411:13:557:5625:57
8:21
+0:30
20K
12.43 mi12:06:441:39:588:0326:03
8:23
+0:02
Half
13.11 mi12:12:171:45:318:035:33
8:08
-0:15
25K
15.53 mi12:33:402:06:548:1021:23
8:49
+0:41
30K
18.64 mi13:02:152:35:298:2028:35
9:12
+0:23
20M
20.00 mi13:14:352:47:498:2312:20
9:05
-0:07
21M
21.00 mi13:24:102:57:248:279:35
9:35
+0:30
35K
21.75 mi13:31:063:04:208:296:56
9:16
-0:19
23M
23.00 mi13:43:043:16:188:3211:58
9:33
+0:17
24M
24.00 mi13:52:133:25:278:349:09
9:09
-0:24
40K
24.85 mi14:00:323:33:468:368:19
9:44
+0:35
25.2M
25.20 mi14:04:083:37:228:383:36
10:26
+0:42
Finish
26.22 mi14:13:233:46:378:399:15
9:05
-1:21

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

7:35 /mi

Average Pace

8:39 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:31

47% of race

Time at Steady Pace

1:27:38

39% of race

Time at Slower Pace

33:28

15% 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 mi10:50:2023:347:3523:34
7:35
#10399
10K
6.21 mi11:14:4447:587:4324:24
7:51
#12002
15K
9.32 mi11:40:411:13:557:5625:57
8:21
#13821
20K
12.43 mi12:06:441:39:588:0326:03
8:23
#14417
Half
13.11 mi12:12:171:45:318:035:33
8:08
#14497
25K
15.53 mi12:33:402:06:548:1021:23
8:49
#15120
30K
18.64 mi13:02:152:35:298:2028:35
9:12
#15756
20M
20.00 mi13:14:352:47:498:2312:20
9:05
#15834
21M
21.00 mi13:24:102:57:248:279:35
9:35
#15850
35K
21.75 mi13:31:063:04:208:296:56
9:16
#15983
23M
23.00 mi13:43:043:16:188:3211:58
9:33
#16165
24M
24.00 mi13:52:133:25:278:349:09
9:09
#16237
40K
24.85 mi14:00:323:33:468:368:19
9:44
#16389
25.2M
25.20 mi14:04:083:37:228:383:36
10:26
#16438
Finish
26.22 mi14:13:233:46:378:399:15
9:05
#16527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi103998358835816854(Top 63%)11007(Top 73%)11007(Top 489%)
10K6.21 mi3.10 mi12002-16039118-7609118-76013589(Top 51%)9790(Top 65%)9790(Top 435%)
15K9.32 mi3.11 mi13821-18199850-7329850-73216854(Top 63%)11007(Top 73%)11007(Top 489%)
20K12.43 mi3.11 mi14417-59610078-22810078-22816150(Top 61%)10688(Top 70%)10688(Top 475%)
Half13.11 mi0.68 mi14497-8010112-3410112-3415319(Top 58%)10431(Top 69%)10431(Top 463%)
25K15.53 mi2.42 mi15120-62310320-20810320-20818048(Top 68%)11446(Top 75%)11446(Top 508%)
30K18.64 mi3.11 mi15756-63610507-18710507-18718160(Top 68%)11396(Top 75%)11396(Top 506%)
20M20.00 mi1.36 mi15834-7810513-610513-616907(Top 64%)10789(Top 71%)10789(Top 479%)
21M21.00 mi1.00 mi15850-1610502+1110502+1116335(Top 61%)10497(Top 69%)10497(Top 466%)
35K21.75 mi0.75 mi15983-13310539-3710539-3718984(Top 71%)11578(Top 76%)11578(Top 514%)
23M23.00 mi1.25 mi16165-18210603-6410603-6418526(Top 70%)11361(Top 75%)11361(Top 504%)
24M24.00 mi1.00 mi16237-7210619-1610619-1617843(Top 67%)10997(Top 72%)10997(Top 488%)
40K24.85 mi0.85 mi16389-15210659-4010659-4019087(Top 72%)11523(Top 76%)11523(Top 512%)
25.2M25.20 mi0.35 mi16438-4910675-1610675-1618863(Top 71%)11398(Top 75%)11398(Top 506%)
Finish26.22 mi1.02 mi16527-8910707-3210707-3218341(Top 69%)11234(Top 74%)11234(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16854

Males

11007

M45-49

11007

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13589

Males

9790

M45-49

9790

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16854

Males

11007

M45-49

11007

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16150

Males

10688

M45-49

10688

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15319

Males

10431

M45-49

10431

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18048

Males

11446

M45-49

11446

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18160

Males

11396

M45-49

11396

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16907

Males

10789

M45-49

10789

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16335

Males

10497

M45-49

10497

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18984

Males

11578

M45-49

11578

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18526

Males

11361

M45-49

11361

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17843

Males

10997

M45-49

10997

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19087

Males

11523

M45-49

11523

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18863

Males

11398

M45-49

11398

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18341

Males

11234

M45-49

11234

Passing Analysis

Category:
Athletes Passed
518
Passed By
6646
Net Change
-6128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10399
5K → 10K261629-1603#10399#12002
10K → 15K81827-1819#12002#13821
15K → 20K65661-596#13821#14417
20K → Half1090-80#14417#14497
Half → 25K38661-623#14497#15120
25K → 30K42678-636#15120#15756
30K → 20M65143-78#15756#15834
20M → 21M8197-16#15834#15850
21M → 35K29162-133#15850#15983
35K → 23M35217-182#15983#16165
23M → 24M42114-72#16165#16237
24M → 40K33185-152#16237#16389
40K → 25.2M1564-49#16389#16438
25.2M → Finish29118-89#16438#16527
TOTALS5186646-6128
📊

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