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BOSTON MARATHON 2023

Frank Mckenzie

Bib: 15866•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 (M55-59)
#0 / 1422
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
9:40/mi
30:03
↑ 97↓ 3451.5%
10K· 6.21 mi
10:44/mi
1:03:24
↑ 79↓ 1380.4%
15K· 9.32 mi
10:01/mi
1:34:32
↑ 67↓ 78
20K· 12.43 mi
10:54/mi
2:08:25
↑ 106↓ 860.1%
Half· 13.11 mi
9:59/mi
2:15:14
↑ 19↓ 370.5%
25K· 15.53 mi
10:14/mi
2:40:02
↑ 66↓ 880.2%
30K· 18.64 mi
11:27/mi
3:15:36
↑ 181↓ 1480.2%
20M
10:12/mi
3:29:28
↑ 64↓ 500.2%
21M
12:40/mi
3:42:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:49:32
↑ 17↓ 861.7%
23M
9:46/mi
4:01:46
↑ 23↓ 630.6%
24M
9:42/mi
4:11:28
↓ 821.3%
40K· 24.85 mi
9:39/mi
4:19:43
↓ 200.3%
25.2M
11:27/mi
4:23:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:33:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:14
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:18:13
Pace10:33 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4330:039:4030:03
9:40
-
10K
6.21 mi12:19:041:03:2410:1233:21
10:44
+1:04
15K
9.32 mi12:50:121:34:3210:0931:08
10:01
-0:43
20K
12.43 mi13:24:052:08:2510:2033:53
10:54
+0:53
Half
13.11 mi13:30:542:15:1410:196:49
9:59
-0:55
25K
15.53 mi13:55:422:40:0210:1824:48
10:14
+0:15
30K
18.64 mi14:31:163:15:3610:3035:34
11:27
+1:13
20M
20.00 mi14:45:083:29:2810:2813:52
10:12
-1:15
21M
21.00 mi14:57:483:42:0810:3512:40
12:40
+2:28
35K
21.75 mi15:05:123:49:3210:337:24
9:53
-2:47
23M
23.00 mi15:17:264:01:4610:3112:14
9:46
-0:07
24M
24.00 mi15:27:084:11:2810:299:42
9:42
-0:04
40K
24.85 mi15:35:234:19:4310:278:15
9:39
-0:03
25.2M
25.20 mi15:39:204:23:4010:283:57
11:27
+1:48
Finish
26.22 mi15:49:074:33:2710:269:47
9:36
-1:51

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

9:36 /mi

Average Pace

10:26 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:34:02

56% of race

Time at Slower Pace

1:59:25

44% of race

Average Pace: 10:26 /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 mi11:45:4330:039:4030:03
9:40
#22578
10K
6.21 mi12:19:041:03:2410:1233:21
10:44
#24060
15K
9.32 mi12:50:121:34:3210:0931:08
10:01
#23882
20K
12.43 mi13:24:052:08:2510:2033:53
10:54
#24084
Half
13.11 mi13:30:542:15:1410:196:49
9:59
#24030
25K
15.53 mi13:55:422:40:0210:1824:48
10:14
#23778
30K
18.64 mi14:31:163:15:3610:3035:34
11:27
#23803
20M
20.00 mi14:45:083:29:2810:2813:52
10:12
#23592
21M
21.00 mi14:57:483:42:0810:3512:40
12:40
#23621
35K
21.75 mi15:05:123:49:3210:337:24
9:53
#23552
23M
23.00 mi15:17:264:01:4610:3112:14
9:46
#23369
24M
24.00 mi15:27:084:11:2810:299:42
9:42
#23246
40K
24.85 mi15:35:234:19:4310:278:15
9:39
#23098
25.2M
25.20 mi15:39:204:23:4010:283:57
11:27
#23077
Finish
26.22 mi15:49:074:33:2710:269:47
9:36
#22989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22578133861338623536(Top 88%)13889(Top 92%)13889(Top 977%)
10K6.21 mi3.10 mi24060-148214110-72414110-72425062(Top 94%)14564(Top 96%)14564(Top 1024%)
15K9.32 mi3.11 mi23882+17814035+7514035+7523536(Top 88%)13889(Top 92%)13889(Top 977%)
20K12.43 mi3.11 mi24084-20214123-8814123-8824491(Top 92%)14273(Top 94%)14273(Top 1004%)
Half13.11 mi0.68 mi24030+5414096+2714096+2723243(Top 87%)13729(Top 90%)13729(Top 965%)
25K15.53 mi2.42 mi23778+25213981+11513981+11522682(Top 85%)13453(Top 89%)13453(Top 946%)
30K18.64 mi3.11 mi23803-2513972+913972+923787(Top 89%)13875(Top 91%)13875(Top 976%)
20M20.00 mi1.36 mi23592+21113863+10913863+10921022(Top 79%)12582(Top 83%)12582(Top 885%)
21M21.00 mi1.00 mi23621-2913869-613869-623665(Top 89%)13742(Top 91%)13742(Top 966%)
35K21.75 mi0.75 mi23552+6913837+3213837+3220980(Top 79%)12482(Top 82%)12482(Top 878%)
23M23.00 mi1.25 mi23369+18313733+10413733+10419337(Top 73%)11718(Top 77%)11718(Top 824%)
24M24.00 mi1.00 mi23246+12313672+6113672+6119894(Top 75%)11964(Top 79%)11964(Top 841%)
40K24.85 mi0.85 mi23098+14813584+8813584+8818855(Top 71%)11428(Top 75%)11428(Top 804%)
25.2M25.20 mi0.35 mi23077+2113571+1313571+1321446(Top 81%)12595(Top 83%)12595(Top 886%)
Finish26.22 mi1.02 mi22989+8813525+4613525+4620478(Top 77%)12181(Top 80%)12181(Top 857%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23536

Males

13889

M55-59

13889

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25062

Males

14564

M55-59

14564

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23536

Males

13889

M55-59

13889

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24491

Males

14273

M55-59

14273

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23243

Males

13729

M55-59

13729

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22682

Males

13453

M55-59

13453

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23787

Males

13875

M55-59

13875

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21022

Males

12582

M55-59

12582

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23665

Males

13742

M55-59

13742

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20980

Males

12482

M55-59

12482

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19337

Males

11718

M55-59

11718

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19894

Males

11964

M55-59

11964

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18855

Males

11428

M55-59

11428

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21446

Males

12595

M55-59

12595

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20478

Males

12181

M55-59

12181

Passing Analysis

Category:
Athletes Passed
1579
Passed By
1990
Net Change
-411
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22578
5K → 10K61488-1482#22578#24060
10K → 15K22749+178#24060#23882
15K → 20K48250-202#23882#24084
20K → Half573+54#24084#24030
Half → 25K2586+252#24030#23778
25K → 30K95120-25#23778#23803
30K → 20M2121+211#23803#23592
20M → 21M2756-29#23592#23621
21M → 35K690+69#23621#23552
35K → 23M1852+183#23552#23369
23M → 24M1241+123#23369#23246
24M → 40K1480+148#23246#23098
40K → 25.2M298+21#23098#23077
25.2M → Finish946+88#23077#22989
TOTALS15791990-411
📊

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