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BOSTON MARATHON 2023

Derek Lopes

Bib: 26963•M

MA

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
9:07/mi
28:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
54:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:21:44
↑ 67↓ 78
20K· 12.43 mi
8:46/mi
1:48:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:54:50
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:17:01
↑ 66↓ 880.2%
30K· 18.64 mi
9:36/mi
2:46:49
↑ 181↓ 1480.2%
20M
10:08/mi
3:00:35
↑ 64↓ 500.2%
21M
10:32/mi
3:11:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:36/mi
3:18:18
↑ 17↓ 861.7%
23M
9:59/mi
3:30:48
↑ 23↓ 630.6%
24M
9:57/mi
3:40:45
↓ 821.3%
40K· 24.85 mi
10:12/mi
3:49:28
↓ 200.3%
25.2M
10:55/mi
3:53:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:27/mi
4:02:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:50
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:08:02
Pace9:46 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2128:219:0728:21
9:07
-
10K
6.21 mi12:13:5754:578:5126:36
8:34
-0:33
15K
9.32 mi12:40:441:21:448:4626:47
8:37
+0:03
20K
12.43 mi13:07:571:48:578:4627:13
8:46
+0:09
Half
13.11 mi13:13:501:54:508:465:53
8:37
-0:09
25K
15.53 mi13:36:012:17:018:4922:11
9:09
+0:32
30K
18.64 mi14:05:492:46:498:5729:48
9:36
+0:27
20M
20.00 mi14:19:353:00:359:0213:46
10:08
+0:32
21M
21.00 mi14:30:073:11:079:0610:32
10:32
+0:24
35K
21.75 mi14:37:183:18:189:077:11
9:36
-0:56
23M
23.00 mi14:49:483:30:489:1012:30
9:59
+0:23
24M
24.00 mi14:59:453:40:459:129:57
9:57
-0:02
40K
24.85 mi15:08:283:49:289:148:43
10:12
+0:15
25.2M
25.20 mi15:12:143:53:149:153:46
10:55
+0:43
Finish
26.22 mi15:21:524:02:529:169:38
9:27
-1:28

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

8:34 /mi

Average Pace

9:16 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:01

56% of race

Time at Steady Pace

56:34

23% of race

Time at Slower Pace

49:17

20% of race

Average Pace: 9:16 /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 mi11:47:2128:219:0728:21
9:07
#20947
10K
6.21 mi12:13:5754:578:5126:36
8:34
#19897
15K
9.32 mi12:40:441:21:448:4626:47
8:37
#19437
20K
12.43 mi13:07:571:48:578:4627:13
8:46
#19155
Half
13.11 mi13:13:501:54:508:465:53
8:37
#19113
25K
15.53 mi13:36:012:17:018:4922:11
9:09
#19204
30K
18.64 mi14:05:492:46:498:5729:48
9:36
#19352
20M
20.00 mi14:19:353:00:359:0213:46
10:08
#19497
21M
21.00 mi14:30:073:11:079:0610:32
10:32
#19510
35K
21.75 mi14:37:183:18:189:077:11
9:36
#19553
23M
23.00 mi14:49:483:30:489:1012:30
9:59
#19582
24M
24.00 mi14:59:453:40:459:129:57
9:57
#19657
40K
24.85 mi15:08:283:49:289:148:43
10:12
#19709
25.2M
25.20 mi15:12:143:53:149:153:46
10:55
#19724
Finish
26.22 mi15:21:524:02:529:169:38
9:27
#19741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20947125851258518563(Top 70%)11703(Top 77%)11703(Top 570%)
10K6.21 mi3.10 mi19897+105012169+41612169+41618631(Top 70%)11761(Top 77%)11761(Top 573%)
15K9.32 mi3.11 mi19437+46012001+16812001+16818563(Top 70%)11703(Top 77%)11703(Top 570%)
20K12.43 mi3.11 mi19155+28211926+7511926+7518461(Top 69%)11667(Top 77%)11667(Top 569%)
Half13.11 mi0.68 mi19113+4211901+2511901+2518454(Top 69%)11693(Top 77%)11693(Top 570%)
25K15.53 mi2.42 mi19204-9111940-3911940-3919602(Top 74%)12108(Top 80%)12108(Top 590%)
30K18.64 mi3.11 mi19352-14811982-4211982-4219762(Top 74%)12112(Top 80%)12112(Top 590%)
20M20.00 mi1.36 mi19497-14512026-4412026-4420818(Top 78%)12485(Top 82%)12485(Top 608%)
21M21.00 mi1.00 mi19510-1312027-112027-119686(Top 74%)11907(Top 78%)11907(Top 580%)
35K21.75 mi0.75 mi19553-4312039-1212039-1220154(Top 76%)12108(Top 80%)12108(Top 590%)
23M23.00 mi1.25 mi19582-2912048-912048-919936(Top 75%)11996(Top 79%)11996(Top 585%)
24M24.00 mi1.00 mi19657-7512066-1812066-1820636(Top 78%)12267(Top 81%)12267(Top 598%)
40K24.85 mi0.85 mi19709-5212080-1412080-1420463(Top 77%)12126(Top 80%)12126(Top 591%)
25.2M25.20 mi0.35 mi19724-1512075+512075+520253(Top 76%)12042(Top 79%)12042(Top 587%)
Finish26.22 mi1.02 mi19741-1712080-512080-519948(Top 75%)11959(Top 79%)11959(Top 583%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18563

Males

11703

M50-54

11703

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18631

Males

11761

M50-54

11761

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18563

Males

11703

M50-54

11703

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18461

Males

11667

M50-54

11667

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18454

Males

11693

M50-54

11693

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19602

Males

12108

M50-54

12108

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19762

Males

12112

M50-54

12112

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20818

Males

12485

M50-54

12485

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19686

Males

11907

M50-54

11907

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20154

Males

12108

M50-54

12108

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19936

Males

11996

M50-54

11996

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20636

Males

12267

M50-54

12267

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20463

Males

12126

M50-54

12126

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20253

Males

12042

M50-54

12042

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19948

Males

11959

M50-54

11959

Passing Analysis

Category:
Athletes Passed
2517
Passed By
1311
Net Change
+1206
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20947
5K → 10K109545+1050#20947#19897
10K → 15K50242+460#19897#19437
15K → 20K32846+282#19437#19155
20K → Half508+42#19155#19113
Half → 25K91182-91#19113#19204
25K → 30K116264-148#19204#19352
30K → 20M47192-145#19352#19497
20M → 21M7184-13#19497#19510
21M → 35K2871-43#19510#19553
35K → 23M6897-29#19553#19582
23M → 24M32107-75#19582#19657
24M → 40K3385-52#19657#19709
40K → 25.2M1631-15#19709#19724
25.2M → Finish4057-17#19724#19741
TOTALS25171311+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