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BOSTON MARATHON 2023

Carlos Gonzalez Lopez

Bib: 27742 M MX

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:29/mi
29:29
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:55/mi
57:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:40/mi
1:24:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:42/mi
1:51:08
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:27/mi
1:56:54
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:44/mi
2:18:04
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:52/mi
2:45:37
↑ 181↓ 1480.2%
138 ft elev
20M
8:56/mi
2:57:45
↑ 64↓ 500.2%
148 ft elev
21M
9:47/mi
3:07:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:13/mi
3:13:41
↑ 17↓ 861.7%
156 ft elev
23M
8:24/mi
3:24:12
↑ 23↓ 630.6%
116 ft elev
24M
8:16/mi
3:32:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:36/mi
3:39:49
↓ 200.3%
20 ft elev
25.2M
9:17/mi
3:43:01
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:22/mi
3:51:33
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:56:54
Pace8:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:39
Pace8:45 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5829:299:2929:29
9:29
-
10K
6.21 mi12:14:3957:109:1227:41
8:55
-0:34
15K
9.32 mi12:41:351:24:069:0126:56
8:40
-0:15
20K
12.43 mi13:08:371:51:088:5727:02
8:42
+0:02
Half
13.11 mi13:14:231:56:548:555:46
8:27
-0:15
25K
15.53 mi13:35:332:18:048:5321:10
8:44
+0:17
30K
18.64 mi14:03:062:45:378:5327:33
8:52
+0:08
20M
20.00 mi14:15:142:57:458:5312:08
8:56
+0:04
21M
21.00 mi14:25:013:07:328:569:47
9:47
+0:51
35K
21.75 mi14:31:103:13:418:546:09
8:13
-1:34
23M
23.00 mi14:41:413:24:128:5310:31
8:24
+0:11
24M
24.00 mi14:49:573:32:288:518:16
8:16
-0:08
40K
24.85 mi14:57:183:39:498:517:21
8:36
+0:20
25.2M
25.20 mi15:00:303:43:018:513:12
9:17
+0:41
Finish
26.22 mi15:09:023:51:338:508:32
8:22
-0:55

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

8:13 /mi

Average Pace

8:50 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:05

82% of race

Time at Steady Pace

32:41

14% of race

Time at Slower Pace

9:47

4% of race

Average Pace: 8:50 /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 mi11:46:5829:299:2929:29
9:29
#22051
10K
6.21 mi12:14:3957:109:1227:41
8:55
#21390
15K
9.32 mi12:41:351:24:069:0126:56
8:40
#20670
20K
12.43 mi13:08:371:51:088:5727:02
8:42
#20072
Half
13.11 mi13:14:231:56:548:555:46
8:27
#19947
25K
15.53 mi13:35:332:18:048:5321:10
8:44
#19558
30K
18.64 mi14:03:062:45:378:5327:33
8:52
#19027
20M
20.00 mi14:15:142:57:458:5312:08
8:56
#18812
21M
21.00 mi14:25:013:07:328:569:47
9:47
#18695
35K
21.75 mi14:31:103:13:418:546:09
8:13
#18520
23M
23.00 mi14:41:413:24:128:5310:31
8:24
#18197
24M
24.00 mi14:49:573:32:288:518:16
8:16
#17995
40K
24.85 mi14:57:183:39:498:517:21
8:36
#17861
25.2M
25.20 mi15:00:303:43:018:513:12
9:17
#17805
Finish
26.22 mi15:09:023:51:338:508:32
8:22
#17679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22051131221312218821(Top 71%)11807(Top 78%)11807(Top 524%)
10K6.21 mi3.10 mi21390+66112843+27912843+27920456(Top 77%)12481(Top 82%)12481(Top 554%)
15K9.32 mi3.11 mi20670+72012540+30312540+30318821(Top 71%)11807(Top 78%)11807(Top 524%)
20K12.43 mi3.11 mi20072+59812291+24912291+24918120(Top 68%)11520(Top 76%)11520(Top 512%)
Half13.11 mi0.68 mi19947+12512232+5912232+5917427(Top 65%)11261(Top 74%)11261(Top 500%)
25K15.53 mi2.42 mi19558+38912080+15212080+15217529(Top 66%)11211(Top 74%)11211(Top 498%)
30K18.64 mi3.11 mi19027+53111854+22611854+22616464(Top 62%)10680(Top 70%)10680(Top 474%)
20M20.00 mi1.36 mi18812+21511747+10711747+10716157(Top 61%)10480(Top 69%)10480(Top 465%)
21M21.00 mi1.00 mi18695+11711689+5811689+5817182(Top 65%)10868(Top 72%)10868(Top 483%)
35K21.75 mi0.75 mi18520+17511602+8711602+8713585(Top 51%)9245(Top 61%)9245(Top 411%)
23M23.00 mi1.25 mi18197+32311451+15111451+15112576(Top 47%)8731(Top 58%)8731(Top 388%)
24M24.00 mi1.00 mi17995+20211349+10211349+10213056(Top 49%)8891(Top 59%)8891(Top 395%)
40K24.85 mi0.85 mi17861+13411295+5411295+5413923(Top 52%)9213(Top 61%)9213(Top 409%)
25.2M25.20 mi0.35 mi17805+5611265+3011265+3014071(Top 53%)9289(Top 61%)9289(Top 412%)
Finish26.22 mi1.02 mi17679+12611194+7111194+7114555(Top 55%)9524(Top 63%)9524(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18821

Males

11807

M45-49

11807

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20456

Males

12481

M45-49

12481

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18821

Males

11807

M45-49

11807

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18120

Males

11520

M45-49

11520

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17427

Males

11261

M45-49

11261

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17529

Males

11211

M45-49

11211

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16464

Males

10680

M45-49

10680

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16157

Males

10480

M45-49

10480

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17182

Males

10868

M45-49

10868

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13585

Males

9245

M45-49

9245

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12576

Males

8731

M45-49

8731

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13056

Males

8891

M45-49

8891

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13923

Males

9213

M45-49

9213

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14071

Males

9289

M45-49

9289

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14555

Males

9524

M45-49

9524

Passing Analysis

Category:
Athletes Passed
4528
Passed By
156
Net Change
+4372
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22051
5K → 10K71251+661#22051#21390
10K → 15K73212+720#21390#20670
15K → 20K6057+598#20670#20072
20K → Half1261+125#20072#19947
Half → 25K3978+389#19947#19558
25K → 30K54514+531#19558#19027
30K → 20M2249+215#19027#18812
20M → 21M14124+117#18812#18695
21M → 35K1772+175#18695#18520
35K → 23M3263+323#18520#18197
23M → 24M2031+202#18197#17995
24M → 40K1406+134#17995#17861
40K → 25.2M615+56#17861#17805
25.2M → Finish13913+126#17805#17679
TOTALS4528156+4372
📊

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