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BOSTON MARATHON 2023

Chas Montenegro

Bib: 1609•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #6091
Start → 5K
21:40 | 6:58/mi
10K· 6.21 mi
43:07
Rank: #6114 (-23)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:04:23
Rank: #5897 (+217)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:25:43
Rank: #5689 (+208)
15K → 20K
21:20 | 6:52/mi
Half· 13.11 mi
1:30:20
Rank: #5655 (+34)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:58
Rank: #5479 (+176)
Half → 25K
16:38 | 6:52/mi
30K· 18.64 mi
2:08:28
Rank: #5096 (+383)
25K → 30K
21:30 | 6:55/mi
20M
2:17:39
Rank: #4837 (+259)
30K → 20M
9:11 | 6:45/mi
21M
2:24:40
Rank: #4657 (+180)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:29:45
Rank: #4624 (+33)
21M → 35K
5:05 | 6:48/mi
23M
2:40:17
Rank: #5047 (-423)
35K → 23M
10:32 | 8:25/mi
24M
2:47:33
Rank: #5045 (+2)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:53:55
Rank: #5048 (-3)
24M → 40K
6:22 | 7:27/mi
25.2M
2:56:41
Rank: #5044 (+4)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:05:02
Rank: #5265 (-221)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:20
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:34:42
Pace7:13 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2421:406:5821:40
6:58
-
10K
6.21 mi10:46:5143:076:5621:27
6:54
-0:04
15K
9.32 mi11:08:071:04:236:5421:16
6:51
-0:03
20K
12.43 mi11:29:271:25:436:5421:20
6:52
+0:01
Half
13.11 mi11:34:041:30:206:534:37
6:46
-0:06
25K
15.53 mi11:50:421:46:586:5316:38
6:52
+0:06
30K
18.64 mi12:12:122:08:286:5321:30
6:55
+0:03
20M
20.00 mi12:21:232:17:396:539:11
6:45
-0:10
21M
21.00 mi12:28:242:24:406:537:01
7:01
+0:16
35K
21.75 mi12:33:292:29:456:535:05
6:48
-0:13
23M
23.00 mi12:44:012:40:176:5810:32
8:25
+1:37
24M
24.00 mi12:51:172:47:336:597:16
7:16
-1:09
40K
24.85 mi12:57:392:53:557:006:22
7:27
+0:11
25.2M
25.20 mi13:00:252:56:417:012:46
8:01
+0:34
Finish
26.22 mi13:08:463:05:027:048:21
8:12
+0:11

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

6:45 /mi

Average Pace

7:04 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:29:45

81% of race

Time at Slower Pace

35:17

19% of race

Average Pace: 7:03 /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 mi10:25:2421:406:5821:40
6:58
#6091
10K
6.21 mi10:46:5143:076:5621:27
6:54
#6114
15K
9.32 mi11:08:071:04:236:5421:16
6:51
#5897
20K
12.43 mi11:29:271:25:436:5421:20
6:52
#5689
Half
13.11 mi11:34:041:30:206:534:37
6:46
#5655
25K
15.53 mi11:50:421:46:586:5316:38
6:52
#5479
30K
18.64 mi12:12:122:08:286:5321:30
6:55
#5096
20M
20.00 mi12:21:232:17:396:539:11
6:45
#4837
21M
21.00 mi12:28:242:24:406:537:01
7:01
#4657
35K
21.75 mi12:33:292:29:456:535:05
6:48
#4624
23M
23.00 mi12:44:012:40:176:5810:32
8:25
#5047
24M
24.00 mi12:51:172:47:336:597:16
7:16
#5045
40K
24.85 mi12:57:392:53:557:006:22
7:27
#5048
25.2M
25.20 mi13:00:252:56:417:012:46
8:01
#5044
Finish
26.22 mi13:08:463:05:027:048:21
8:12
#5265
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6091556255625523(Top 21%)5086(Top 34%)5086(Top 96%)
10K6.21 mi3.10 mi6114-235572-105572-106151(Top 23%)5577(Top 37%)5577(Top 106%)
15K9.32 mi3.11 mi5897+2175397+1755397+1755523(Top 21%)5086(Top 34%)5086(Top 96%)
20K12.43 mi3.11 mi5689+2085237+1605237+1605073(Top 19%)4696(Top 31%)4696(Top 89%)
Half13.11 mi0.68 mi5655+345211+265211+265005(Top 19%)4637(Top 31%)4637(Top 88%)
25K15.53 mi2.42 mi5479+1765056+1555056+1554675(Top 18%)4350(Top 29%)4350(Top 82%)
30K18.64 mi3.11 mi5096+3834722+3344722+3343802(Top 14%)3566(Top 23%)3566(Top 67%)
20M20.00 mi1.36 mi4837+2594495+2274495+2272597(Top 10%)2464(Top 16%)2464(Top 47%)
21M21.00 mi1.00 mi4657+1804337+1584337+1582246(Top 8%)2124(Top 14%)2124(Top 40%)
35K21.75 mi0.75 mi4624+334307+304307+304194(Top 16%)3844(Top 25%)3844(Top 73%)
23M23.00 mi1.25 mi5047-4234648-3414648-34112626(Top 47%)8735(Top 58%)8735(Top 165%)
24M24.00 mi1.00 mi5045+24640+84640+86123(Top 23%)5170(Top 34%)5170(Top 98%)
40K24.85 mi0.85 mi5048-34645-54645-56330(Top 24%)5229(Top 34%)5229(Top 99%)
25.2M25.20 mi0.35 mi5044+44639+64639+66545(Top 25%)5271(Top 35%)5271(Top 100%)
Finish26.22 mi1.02 mi5265-2214813-1744813-17413347(Top 50%)8932(Top 59%)8932(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5523

Males

5086

M18-39

5086

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6151

Males

5577

M18-39

5577

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5523

Males

5086

M18-39

5086

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5073

Males

4696

M18-39

4696

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5005

Males

4637

M18-39

4637

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4675

Males

4350

M18-39

4350

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3802

Males

3566

M18-39

3566

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2597

Males

2464

M18-39

2464

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2246

Males

2124

M18-39

2124

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4194

Males

3844

M18-39

3844

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12626

Males

8735

M18-39

8735

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6123

Males

5170

M18-39

5170

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6330

Males

5229

M18-39

5229

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6545

Males

5271

M18-39

5271

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13347

Males

8932

M18-39

8932

Passing Analysis

Category:
Athletes Passed
1888
Passed By
1062
Net Change
+826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6091
5K → 10K166189-23#6091#6114
10K → 15K26043+217#6114#5897
15K → 20K22820+208#5897#5689
20K → Half351+34#5689#5655
Half → 25K19014+176#5655#5479
25K → 30K3874+383#5479#5096
30K → 20M2623+259#5096#4837
20M → 21M1822+180#4837#4657
21M → 35K5522+33#4657#4624
35K → 23M9432-423#4624#5047
23M → 24M4745+2#5047#5045
24M → 40K3942-3#5045#5048
40K → 25.2M1915+4#5048#5044
25.2M → Finish9230-221#5044#5265
TOTALS18881062+826
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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