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BOSTON MARATHON 2023

Rene Najera

Bib: 8431•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #4904
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
43:05
Rank: #6071 (-1167)
5K → 10K
21:53 | 7:03/mi
15K· 9.32 mi
1:04:44
Rank: #6158 (-87)
10K → 15K
21:39 | 6:58/mi
20K· 12.43 mi
1:26:46
Rank: #6242 (-84)
15K → 20K
22:02 | 7:06/mi
Half· 13.11 mi
1:31:34
Rank: #6271 (-29)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:48:48
Rank: #6239 (+32)
Half → 25K
17:14 | 7:06/mi
30K· 18.64 mi
2:11:58
Rank: #6292 (-53)
25K → 30K
23:10 | 7:27/mi
20M
2:22:13
Rank: #6295 (-3)
30K → 20M
10:15 | 7:33/mi
21M
2:29:59
Rank: #6236 (+59)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:35:25
Rank: #6239 (-3)
21M → 35K
5:26 | 7:16/mi
23M
2:45:00
Rank: #6237 (+2)
35K → 23M
9:35 | 7:39/mi
24M
2:52:23
Rank: #6213 (+24)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
2:58:54
Rank: #6220 (-7)
24M → 40K
6:31 | 7:37/mi
25.2M
3:01:46
Rank: #6224 (-4)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:09:25
Rank: #6281 (-57)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:34
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:37:51
Pace7:28 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1421:126:4921:12
6:49
-
10K
6.21 mi11:08:0743:056:5621:53
7:03
+0:14
15K
9.32 mi11:29:461:04:446:5721:39
6:58
-0:05
20K
12.43 mi11:51:481:26:466:5922:02
7:06
+0:08
Half
13.11 mi11:56:361:31:346:594:48
7:02
-0:04
25K
15.53 mi12:13:501:48:487:0017:14
7:06
+0:04
30K
18.64 mi12:37:002:11:587:0523:10
7:27
+0:21
20M
20.00 mi12:47:152:22:137:0710:15
7:33
+0:06
21M
21.00 mi12:55:012:29:597:097:46
7:46
+0:13
35K
21.75 mi13:00:272:35:257:095:26
7:16
-0:30
23M
23.00 mi13:10:022:45:007:109:35
7:39
+0:23
24M
24.00 mi13:17:252:52:237:117:23
7:23
-0:16
40K
24.85 mi13:23:562:58:547:126:31
7:37
+0:14
25.2M
25.20 mi13:26:483:01:467:132:52
8:19
+0:42
Finish
26.22 mi13:34:273:09:257:147:39
7:30
-0:49

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

6:49 /mi

Average Pace

7:14 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:48

57% of race

Time at Steady Pace

53:53

28% of race

Time at Slower Pace

26:44

14% of race

Average Pace: 7:13 /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 mi10:46:1421:126:4921:12
6:49
#4904
10K
6.21 mi11:08:0743:056:5621:53
7:03
#6071
15K
9.32 mi11:29:461:04:446:5721:39
6:58
#6158
20K
12.43 mi11:51:481:26:466:5922:02
7:06
#6242
Half
13.11 mi11:56:361:31:346:594:48
7:02
#6271
25K
15.53 mi12:13:501:48:487:0017:14
7:06
#6239
30K
18.64 mi12:37:002:11:587:0523:10
7:27
#6292
20M
20.00 mi12:47:152:22:137:0710:15
7:33
#6295
21M
21.00 mi12:55:012:29:597:097:46
7:46
#6236
35K
21.75 mi13:00:272:35:257:095:26
7:16
#6239
23M
23.00 mi13:10:022:45:007:109:35
7:39
#6237
24M
24.00 mi13:17:252:52:237:117:23
7:23
#6213
40K
24.85 mi13:23:562:58:547:126:31
7:37
#6220
25.2M
25.20 mi13:26:483:01:467:132:52
8:19
#6224
Finish
26.22 mi13:34:273:09:257:147:39
7:30
#6281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4904455945596362(Top 24%)5745(Top 38%)5745(Top 256%)
10K6.21 mi3.10 mi6071-11675543-9845543-9847085(Top 27%)6299(Top 42%)6299(Top 281%)
15K9.32 mi3.11 mi6158-875601-585601-586362(Top 24%)5745(Top 38%)5745(Top 256%)
20K12.43 mi3.11 mi6242-845662-615662-616507(Top 24%)5844(Top 39%)5844(Top 261%)
Half13.11 mi0.68 mi6271-295684-225684-226719(Top 25%)6026(Top 40%)6026(Top 269%)
25K15.53 mi2.42 mi6239+325658+265658+266152(Top 23%)5554(Top 37%)5554(Top 248%)
30K18.64 mi3.11 mi6292-535678-205678-206921(Top 26%)6005(Top 40%)6005(Top 268%)
20M20.00 mi1.36 mi6295-35677+15677+17048(Top 26%)6000(Top 40%)6000(Top 268%)
21M21.00 mi1.00 mi6236+595617+605617+605989(Top 22%)5187(Top 34%)5187(Top 231%)
35K21.75 mi0.75 mi6239-35616+15616+16865(Top 26%)5799(Top 38%)5799(Top 259%)
23M23.00 mi1.25 mi6237+25604+125604+127427(Top 28%)6068(Top 40%)6068(Top 271%)
24M24.00 mi1.00 mi6213+245575+295575+296909(Top 26%)5662(Top 37%)5662(Top 253%)
40K24.85 mi0.85 mi6220-75567+85567+87419(Top 28%)5879(Top 39%)5879(Top 262%)
25.2M25.20 mi0.35 mi6224-45562+55562+58289(Top 31%)6321(Top 42%)6321(Top 282%)
Finish26.22 mi1.02 mi6281-575598-365598-368565(Top 32%)6495(Top 43%)6495(Top 290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6362

Males

5745

M40-44

5745

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7085

Males

6299

M40-44

6299

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6362

Males

5745

M40-44

5745

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6507

Males

5844

M40-44

5844

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6719

Males

6026

M40-44

6026

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6152

Males

5554

M40-44

5554

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6921

Males

6005

M40-44

6005

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7048

Males

6000

M40-44

6000

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5989

Males

5187

M40-44

5187

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6865

Males

5799

M40-44

5799

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7427

Males

6068

M40-44

6068

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6909

Males

5662

M40-44

5662

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7419

Males

5879

M40-44

5879

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8289

Males

6321

M40-44

6321

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8565

Males

6495

M40-44

6495

Passing Analysis

Category:
Athletes Passed
786
Passed By
2163
Net Change
-1377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4904
5K → 10K131180-1167#4904#6071
10K → 15K89176-87#6071#6158
15K → 20K62146-84#6158#6242
20K → Half938-29#6242#6271
Half → 25K9563+32#6271#6239
25K → 30K104157-53#6239#6292
30K → 20M5962-3#6292#6295
20M → 21M9031+59#6295#6236
21M → 35K2730-3#6236#6239
35K → 23M7169+2#6239#6237
23M → 24M7248+24#6237#6213
24M → 40K4148-7#6213#6220
40K → 25.2M1721-4#6220#6224
25.2M → Finish3794-57#6224#6281
TOTALS7862163-1377
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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