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BOSTON MARATHON 2023

Juan Greene

Bib: 15016•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:00/mi
21:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
45:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:10:17
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:37:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:42:54
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:05:51
↑ 66↓ 880.2%
30K· 18.64 mi
10:44/mi
2:39:13
↑ 181↓ 1480.2%
20M
11:11/mi
2:54:25
↑ 64↓ 500.2%
21M
11:29/mi
3:05:54
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:12:53
↑ 17↓ 861.7%
23M
10:27/mi
3:25:58
↑ 23↓ 630.6%
24M
9:27/mi
3:35:25
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:43:41
↓ 200.3%
25.2M
10:44/mi
3:47:23
↑ 13↓ 160.2%
Finish· 26.22 mi
9:05/mi
3:56:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:54
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time2:13:44
Pace10:12 /mi
📊Positive Split: 30.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2321:447:0021:44
7:00
-
10K
6.21 mi11:14:5545:167:1723:32
7:34
+0:34
15K
9.32 mi11:39:561:10:177:3225:01
8:03
+0:29
20K
12.43 mi12:06:471:37:087:4926:51
8:39
+0:36
Half
13.11 mi12:12:331:42:547:515:46
8:27
-0:12
25K
15.53 mi12:35:302:05:518:0622:57
9:28
+1:01
30K
18.64 mi13:08:522:39:138:3233:22
10:44
+1:16
20M
20.00 mi13:24:042:54:258:4315:12
11:11
+0:27
21M
21.00 mi13:35:333:05:548:5111:29
11:29
+0:18
35K
21.75 mi13:42:323:12:538:526:59
9:20
-2:09
23M
23.00 mi13:55:373:25:588:5713:05
10:27
+1:07
24M
24.00 mi14:05:043:35:258:599:27
9:27
-1:00
40K
24.85 mi14:13:203:43:419:008:16
9:40
+0:13
25.2M
25.20 mi14:17:023:47:239:013:42
10:44
+1:04
Finish
26.22 mi14:26:173:56:389:029:15
9:05
-1:39

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

7:00 /mi

Average Pace

9:02 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:54

43% of race

Time at Steady Pace

56:54

24% of race

Time at Slower Pace

1:16:50

32% of race

Average Pace: 9:01 /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 mi10:51:2321:447:0021:44
7:00
#6233
10K
6.21 mi11:14:5545:167:1723:32
7:34
#8346
15K
9.32 mi11:39:561:10:177:3225:01
8:03
#10423
20K
12.43 mi12:06:471:37:087:4926:51
8:39
#12532
Half
13.11 mi12:12:331:42:547:515:46
8:27
#12850
25K
15.53 mi12:35:302:05:518:0622:57
9:28
#14656
30K
18.64 mi13:08:522:39:138:3233:22
10:44
#17007
20M
20.00 mi13:24:042:54:258:4315:12
11:11
#17845
21M
21.00 mi13:35:333:05:548:5111:29
11:29
#18293
35K
21.75 mi13:42:323:12:538:526:59
9:20
#18330
23M
23.00 mi13:55:373:25:588:5713:05
10:27
#18594
24M
24.00 mi14:05:043:35:258:599:27
9:27
#18629
40K
24.85 mi14:13:203:43:419:008:16
9:40
#18655
25.2M
25.20 mi14:17:023:47:239:013:42
10:44
#18692
Finish
26.22 mi14:26:173:56:389:029:15
9:05
#18689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi62335687568714808(Top 56%)10224(Top 67%)10224(Top 498%)
10K6.21 mi3.10 mi8346-21137180-14937180-149311091(Top 42%)8716(Top 57%)8716(Top 425%)
15K9.32 mi3.11 mi10423-20778388-12088388-120814808(Top 56%)10224(Top 67%)10224(Top 498%)
20K12.43 mi3.11 mi12532-21099301-9139301-91317751(Top 67%)11360(Top 75%)11360(Top 554%)
Half13.11 mi0.68 mi12850-3189443-1429443-14217443(Top 66%)11277(Top 74%)11277(Top 550%)
25K15.53 mi2.42 mi14656-180610140-69710140-69720720(Top 78%)12580(Top 83%)12580(Top 613%)
30K18.64 mi3.11 mi17007-235111022-88211022-88222675(Top 85%)13364(Top 88%)13364(Top 651%)
20M20.00 mi1.36 mi17845-83811336-31411336-31422987(Top 86%)13459(Top 89%)13459(Top 656%)
21M21.00 mi1.00 mi18293-44811502-16611502-16621842(Top 82%)12907(Top 85%)12907(Top 629%)
35K21.75 mi0.75 mi18330-3711514-1211514-1219273(Top 72%)11719(Top 77%)11719(Top 571%)
23M23.00 mi1.25 mi18594-26411630-11611630-11621181(Top 80%)12539(Top 83%)12539(Top 611%)
24M24.00 mi1.00 mi18629-3511626+411626+419021(Top 71%)11539(Top 76%)11539(Top 562%)
40K24.85 mi0.85 mi18655-2611623+311623+318903(Top 71%)11441(Top 75%)11441(Top 558%)
25.2M25.20 mi0.35 mi18692-3711630-711630-719749(Top 74%)11801(Top 78%)11801(Top 575%)
Finish26.22 mi1.02 mi18689+311625+511625+518351(Top 69%)11244(Top 74%)11244(Top 548%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14808

Males

10224

M50-54

10224

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11091

Males

8716

M50-54

8716

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14808

Males

10224

M50-54

10224

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17751

Males

11360

M50-54

11360

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17443

Males

11277

M50-54

11277

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20720

Males

12580

M50-54

12580

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22675

Males

13364

M50-54

13364

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22987

Males

13459

M50-54

13459

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21842

Males

12907

M50-54

12907

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19273

Males

11719

M50-54

11719

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21181

Males

12539

M50-54

12539

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

19021

Males

11539

M50-54

11539

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18903

Males

11441

M50-54

11441

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19749

Males

11801

M50-54

11801

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18351

Males

11244

M50-54

11244

Passing Analysis

Category:
Athletes Passed
265
Passed By
12719
Net Change
-12456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6233
5K → 10K32116-2113#6233#8346
10K → 15K42079-2077#8346#10423
15K → 20K42113-2109#10423#12532
20K → Half3321-318#12532#12850
Half → 25K61812-1806#12850#14656
25K → 30K62357-2351#14656#17007
30K → 20M6844-838#17007#17845
20M → 21M16464-448#17845#18293
21M → 35K3168-37#18293#18330
35K → 23M29293-264#18330#18594
23M → 24M4277-35#18594#18629
24M → 40K4167-26#18629#18655
40K → 25.2M1956-37#18655#18692
25.2M → Finish5552+3#18692#18689
TOTALS26512719-12456
📊

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