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BOSTON MARATHON 2023

Segundo López

Bib: 31692•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
8:36/mi
26:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
52:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:19:17
↑ 67↓ 78
20K· 12.43 mi
8:34/mi
1:45:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:51:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:12:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:57/mi
2:40:10
↑ 181↓ 1480.2%
20M
9:10/mi
2:52:37
↑ 64↓ 500.2%
21M
9:54/mi
3:02:31
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:09:30
↑ 17↓ 861.7%
23M
10:14/mi
3:22:19
↑ 23↓ 630.6%
24M
10:57/mi
3:33:16
↓ 821.3%
40K· 24.85 mi
10:56/mi
3:42:37
↓ 200.3%
25.2M
11:53/mi
3:46:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:03/mi
3:56:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:34
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:05:23
Pace9:34 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0726:438:3626:43
8:36
-
10K
6.21 mi12:13:1352:498:3026:06
8:24
-0:12
15K
9.32 mi12:39:411:19:178:3026:28
8:31
+0:07
20K
12.43 mi13:06:181:45:548:3126:37
8:34
+0:03
Half
13.11 mi13:11:581:51:348:315:40
8:18
-0:16
25K
15.53 mi13:32:452:12:218:3120:47
8:34
+0:16
30K
18.64 mi14:00:342:40:108:3627:49
8:57
+0:23
20M
20.00 mi14:13:012:52:378:3812:27
9:10
+0:13
21M
21.00 mi14:22:553:02:318:419:54
9:54
+0:44
35K
21.75 mi14:29:543:09:308:436:59
9:20
-0:34
23M
23.00 mi14:42:433:22:198:4812:49
10:14
+0:54
24M
24.00 mi14:53:403:33:168:5310:57
10:57
+0:43
40K
24.85 mi15:03:013:42:378:579:21
10:56
-0:01
25.2M
25.20 mi15:07:073:46:439:004:06
11:53
+0:57
Finish
26.22 mi15:17:213:56:579:0310:14
10:03
-1:50

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

8:18 /mi

Average Pace

9:03 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:21

56% of race

Time at Steady Pace

47:15

20% of race

Time at Slower Pace

57:21

24% of race

Average Pace: 9:02 /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 mi11:47:0726:438:3626:43
8:36
#18219
10K
6.21 mi12:13:1352:498:3026:06
8:24
#17905
15K
9.32 mi12:39:411:19:178:3026:28
8:31
#17890
20K
12.43 mi13:06:181:45:548:3126:37
8:34
#17698
Half
13.11 mi13:11:581:51:348:315:40
8:18
#17624
25K
15.53 mi13:32:452:12:218:3120:47
8:34
#17446
30K
18.64 mi14:00:342:40:108:3627:49
8:57
#17301
20M
20.00 mi14:13:012:52:378:3812:27
9:10
#17303
21M
21.00 mi14:22:553:02:318:419:54
9:54
#17322
35K
21.75 mi14:29:543:09:308:436:59
9:20
#17431
23M
23.00 mi14:42:433:22:198:4812:49
10:14
#17748
24M
24.00 mi14:53:403:33:168:5310:57
10:57
#18176
40K
24.85 mi15:03:013:42:378:579:21
10:56
#18431
25.2M
25.20 mi15:07:073:46:439:004:06
11:53
#18544
Finish
26.22 mi15:17:213:56:579:0310:14
10:03
#18763
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18219115081150817929(Top 67%)11456(Top 75%)11456(Top 558%)
10K6.21 mi3.10 mi17905+31411417+9111417+9117586(Top 66%)11333(Top 75%)11333(Top 552%)
15K9.32 mi3.11 mi17890+1511414+311414+317929(Top 67%)11456(Top 75%)11456(Top 558%)
20K12.43 mi3.11 mi17698+19211334+8011334+8017274(Top 65%)11166(Top 74%)11166(Top 544%)
Half13.11 mi0.68 mi17624+7411309+2511309+2516499(Top 62%)10891(Top 72%)10891(Top 531%)
25K15.53 mi2.42 mi17446+17811218+9111218+9116636(Top 62%)10823(Top 71%)10823(Top 527%)
30K18.64 mi3.11 mi17301+14511144+7411144+7416929(Top 64%)10887(Top 72%)10887(Top 531%)
20M20.00 mi1.36 mi17303-211125+1911125+1917362(Top 65%)10977(Top 72%)10977(Top 535%)
21M21.00 mi1.00 mi17322-1911112+1311112+1317644(Top 66%)11075(Top 73%)11075(Top 540%)
35K21.75 mi0.75 mi17431-10911149-3711149-3719274(Top 72%)11720(Top 77%)11720(Top 571%)
23M23.00 mi1.25 mi17748-31711257-10811257-10820659(Top 78%)12309(Top 81%)12309(Top 600%)
24M24.00 mi1.00 mi18176-42811427-17011427-17022942(Top 86%)13313(Top 88%)13313(Top 649%)
40K24.85 mi0.85 mi18431-25511528-10111528-10122208(Top 83%)12941(Top 85%)12941(Top 631%)
25.2M25.20 mi0.35 mi18544-11311570-4211570-4222267(Top 84%)12967(Top 85%)12967(Top 632%)
Finish26.22 mi1.02 mi18763-21911656-8611656-8621865(Top 82%)12793(Top 84%)12793(Top 623%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17929

Males

11456

M50-54

11456

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17586

Males

11333

M50-54

11333

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17929

Males

11456

M50-54

11456

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17274

Males

11166

M50-54

11166

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16499

Males

10891

M50-54

10891

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16636

Males

10823

M50-54

10823

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16929

Males

10887

M50-54

10887

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17362

Males

10977

M50-54

10977

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17644

Males

11075

M50-54

11075

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19274

Males

11720

M50-54

11720

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20659

Males

12309

M50-54

12309

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22942

Males

13313

M50-54

13313

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22208

Males

12941

M50-54

12941

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22267

Males

12967

M50-54

12967

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21865

Males

12793

M50-54

12793

Passing Analysis

Category:
Athletes Passed
1762
Passed By
2306
Net Change
-544
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18219
5K → 10K511197+314#18219#17905
10K → 15K199184+15#17905#17890
15K → 20K27381+192#17890#17698
20K → Half839+74#17698#17624
Half → 25K21537+178#17624#17446
25K → 30K23792+145#17446#17301
30K → 20M8991-2#17301#17303
20M → 21M7493-19#17303#17322
21M → 35K23132-109#17322#17431
35K → 23M28345-317#17431#17748
23M → 24M6434-428#17748#18176
24M → 40K11266-255#18176#18431
40K → 25.2M5118-113#18431#18544
25.2M → Finish8227-219#18544#18763
TOTALS17622306-544
📊

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