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BOSTON MARATHON 2023

Efren Hernandez

Bib: 27766•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
10:40/mi
33:07
↑ 97↓ 3451.5%
10K· 6.21 mi
10:29/mi
1:05:40
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:38:12
↑ 67↓ 78
20K· 12.43 mi
10:52/mi
2:11:57
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:19:11
↑ 19↓ 370.5%
25K· 15.53 mi
10:33/mi
2:44:46
↑ 66↓ 880.2%
30K· 18.64 mi
11:21/mi
3:20:01
↑ 181↓ 1480.2%
20M
10:33/mi
3:34:21
↑ 64↓ 500.2%
21M
11:22/mi
3:45:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
3:53:19
↑ 17↓ 861.7%
23M
9:33/mi
4:05:16
↑ 23↓ 630.6%
24M
8:44/mi
4:14:00
↓ 821.3%
40K· 24.85 mi
9:33/mi
4:22:10
↓ 200.3%
25.2M
9:46/mi
4:25:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:35:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:19:11
Pace10:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:15:54
Pace10:22 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4833:0710:4033:07
10:40
-
10K
6.21 mi12:27:211:05:4010:3432:33
10:29
-0:11
15K
9.32 mi12:59:531:38:1210:3232:32
10:28
-0:01
20K
12.43 mi13:33:382:11:5710:3733:45
10:52
+0:24
Half
13.11 mi13:40:522:19:1110:377:14
10:36
-0:16
25K
15.53 mi14:06:272:44:4610:3625:35
10:33
-0:03
30K
18.64 mi14:41:423:20:0110:4435:15
11:21
+0:48
20M
20.00 mi14:56:023:34:2110:4314:20
10:33
-0:48
21M
21.00 mi15:07:243:45:4310:4511:22
11:22
+0:49
35K
21.75 mi15:15:003:53:1910:447:36
10:10
-1:12
23M
23.00 mi15:26:574:05:1610:4011:57
9:33
-0:37
24M
24.00 mi15:35:414:14:0010:358:44
8:44
-0:49
40K
24.85 mi15:43:514:22:1010:338:10
9:33
+0:49
25.2M
25.20 mi15:47:134:25:3210:323:22
9:46
+0:13
Finish
26.22 mi15:56:464:35:0510:309:33
9:22
-0:24

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

8:44 /mi

Average Pace

10:30 /mi

Slowest Pace

11:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:46

15% of race

Time at Steady Pace

2:32:57

56% of race

Time at Slower Pace

1:20:22

29% of race

Average Pace: 10:29 /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 mi11:54:4833:0710:4033:07
10:40
#25091
10K
6.21 mi12:27:211:05:4010:3432:33
10:29
#24843
15K
9.32 mi12:59:531:38:1210:3232:32
10:28
#24685
20K
12.43 mi13:33:382:11:5710:3733:45
10:52
#24631
Half
13.11 mi13:40:522:19:1110:377:14
10:36
#24617
25K
15.53 mi14:06:272:44:4610:3625:35
10:33
#24363
30K
18.64 mi14:41:423:20:0110:4435:15
11:21
#24223
20M
20.00 mi14:56:023:34:2110:4314:20
10:33
#24059
21M
21.00 mi15:07:243:45:4310:4511:22
11:22
#23946
35K
21.75 mi15:15:003:53:1910:447:36
10:10
#23880
23M
23.00 mi15:26:574:05:1610:4011:57
9:33
#23653
24M
24.00 mi15:35:414:14:0010:358:44
8:44
#23465
40K
24.85 mi15:43:514:22:1010:338:10
9:33
#23321
25.2M
25.20 mi15:47:134:25:3210:323:22
9:46
#23233
Finish
26.22 mi15:56:464:35:0510:309:33
9:22
#23127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25091145831458324401(Top 92%)14257(Top 94%)14257(Top 636%)
10K6.21 mi3.10 mi24843+24814474+10914474+10924639(Top 93%)14371(Top 95%)14371(Top 641%)
15K9.32 mi3.11 mi24685+15814391+8314391+8324401(Top 92%)14257(Top 94%)14257(Top 636%)
20K12.43 mi3.11 mi24631+5414356+3514356+3524411(Top 92%)14232(Top 94%)14232(Top 635%)
Half13.11 mi0.68 mi24617+1414352+414352+424366(Top 92%)14205(Top 94%)14205(Top 634%)
25K15.53 mi2.42 mi24363+25414232+12014232+12023276(Top 87%)13714(Top 90%)13714(Top 612%)
30K18.64 mi3.11 mi24223+14014143+8914143+8923642(Top 89%)13818(Top 91%)13818(Top 617%)
20M20.00 mi1.36 mi24059+16414071+7214071+7221841(Top 82%)12929(Top 85%)12929(Top 577%)
21M21.00 mi1.00 mi23946+11314019+5214019+5221629(Top 81%)12814(Top 84%)12814(Top 572%)
35K21.75 mi0.75 mi23880+6613978+4113978+4121677(Top 81%)12790(Top 84%)12790(Top 571%)
23M23.00 mi1.25 mi23653+22713876+10213876+10218493(Top 69%)11352(Top 75%)11352(Top 507%)
24M24.00 mi1.00 mi23465+18813773+10313773+10315849(Top 60%)10115(Top 67%)10115(Top 451%)
40K24.85 mi0.85 mi23321+14413693+8013693+8018506(Top 70%)11274(Top 74%)11274(Top 503%)
25.2M25.20 mi0.35 mi23233+8813651+4213651+4216362(Top 61%)10285(Top 68%)10285(Top 459%)
Finish26.22 mi1.02 mi23127+10613591+6013591+6019654(Top 74%)11830(Top 78%)11830(Top 528%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24401

Males

14257

M40-44

14257

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24639

Males

14371

M40-44

14371

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24401

Males

14257

M40-44

14257

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24411

Males

14232

M40-44

14232

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24366

Males

14205

M40-44

14205

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23276

Males

13714

M40-44

13714

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23642

Males

13818

M40-44

13818

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21841

Males

12929

M40-44

12929

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21629

Males

12814

M40-44

12814

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21677

Males

12790

M40-44

12790

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18493

Males

11352

M40-44

11352

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15849

Males

10115

M40-44

10115

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18506

Males

11274

M40-44

11274

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16362

Males

10285

M40-44

10285

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19654

Males

11830

M40-44

11830

Passing Analysis

Category:
Athletes Passed
2255
Passed By
291
Net Change
+1964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25091
5K → 10K33991+248#25091#24843
10K → 15K19941+158#24843#24685
15K → 20K12773+54#24685#24631
20K → Half2713+14#24631#24617
Half → 25K2595+254#24617#24363
25K → 30K19656+140#24363#24223
30K → 20M1651+164#24223#24059
20M → 21M1174+113#24059#23946
21M → 35K715+66#23946#23880
35K → 23M2281+227#23880#23653
23M → 24M1880+188#23653#23465
24M → 40K1440+144#23465#23321
40K → 25.2M880+88#23321#23233
25.2M → Finish1071+106#23233#23127
TOTALS2255291+1964
📊

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