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BOSTON MARATHON 2023

Michael Herrera

Bib: 961•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 20%
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
6:22/mi
19:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:17/mi
39:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:18/mi
58:52
↑ 67↓ 78
20K· 12.43 mi
6:25/mi
1:18:48
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:23:08
↑ 19↓ 370.5%
25K· 15.53 mi
6:19/mi
1:38:27
↑ 66↓ 880.2%
30K· 18.64 mi
6:27/mi
1:58:28
↑ 181↓ 1480.2%
20M
6:23/mi
2:07:08
↑ 64↓ 500.2%
21M
6:43/mi
2:13:51
↑ 106↓ 241.6%
35K· 21.75 mi
6:02/mi
2:18:22
↑ 17↓ 861.7%
23M
6:18/mi
2:26:15
↑ 23↓ 630.6%
24M
6:10/mi
2:32:25
↓ 821.3%
40K· 24.85 mi
6:29/mi
2:37:58
↓ 200.3%
25.2M
7:15/mi
2:40:28
↑ 13↓ 160.2%
Finish· 26.22 mi
6:36/mi
2:47:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:08
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:24:04
Pace6:25 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0319:466:2219:46
6:22
-
10K
6.21 mi10:39:3439:176:1919:31
6:17
-0:05
15K
9.32 mi10:59:0958:526:1919:35
6:18
+0:01
20K
12.43 mi11:19:051:18:486:2019:56
6:25
+0:07
Half
13.11 mi11:23:251:23:086:204:20
6:21
-0:04
25K
15.53 mi11:38:441:38:276:2015:19
6:19
-0:02
30K
18.64 mi11:58:451:58:286:2120:01
6:27
+0:08
20M
20.00 mi12:07:252:07:086:218:40
6:23
-0:04
21M
21.00 mi12:14:082:13:516:226:43
6:43
+0:20
35K
21.75 mi12:18:392:18:226:224:31
6:02
-0:41
23M
23.00 mi12:26:322:26:156:227:53
6:18
+0:16
24M
24.00 mi12:32:422:32:256:216:10
6:10
-0:08
40K
24.85 mi12:38:152:37:586:215:33
6:29
+0:19
25.2M
25.20 mi12:40:452:40:286:222:30
7:15
+0:46
Finish
26.22 mi12:47:292:47:126:236:44
6:36
-0:39

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

6:02 /mi

Average Pace

6:23 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:41

6% of race

Time at Steady Pace

2:20:34

84% of race

Time at Slower Pace

15:57

10% of race

Average Pace: 6:23 /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 mi10:20:0319:466:2219:46
6:22
#1654
10K
6.21 mi10:39:3439:176:1919:31
6:17
#1648
15K
9.32 mi10:59:0958:526:1919:35
6:18
#1656
20K
12.43 mi11:19:051:18:486:2019:56
6:25
#1694
Half
13.11 mi11:23:251:23:086:204:20
6:21
#1704
25K
15.53 mi11:38:441:38:276:2015:19
6:19
#1651
30K
18.64 mi11:58:451:58:286:2120:01
6:27
#1565
20M
20.00 mi12:07:252:07:086:218:40
6:23
#1510
21M
21.00 mi12:14:082:13:516:226:43
6:43
#1471
35K
21.75 mi12:18:392:18:226:224:31
6:02
#1428
23M
23.00 mi12:26:322:26:156:227:53
6:18
#1367
24M
24.00 mi12:32:422:32:256:216:10
6:10
#1322
40K
24.85 mi12:38:152:37:586:215:33
6:29
#1316
25.2M
25.20 mi12:40:452:40:286:222:30
7:15
#1321
Finish
26.22 mi12:47:292:47:126:236:44
6:36
#1364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1654157515751660(Top 6%)1586(Top 10%)1586(Top 30%)
10K6.21 mi3.10 mi1648+61573+21573+21688(Top 6%)1614(Top 11%)1614(Top 31%)
15K9.32 mi3.11 mi1656-81583-101583-101660(Top 6%)1586(Top 10%)1586(Top 30%)
20K12.43 mi3.11 mi1694-381621-381621-381856(Top 7%)1779(Top 12%)1779(Top 34%)
Half13.11 mi0.68 mi1704-101631-101631-101956(Top 7%)1879(Top 12%)1879(Top 36%)
25K15.53 mi2.42 mi1651+531579+521579+521399(Top 5%)1336(Top 9%)1336(Top 25%)
30K18.64 mi3.11 mi1565+861496+831496+831350(Top 5%)1292(Top 9%)1292(Top 24%)
20M20.00 mi1.36 mi1510+551442+541442+541077(Top 4%)1032(Top 7%)1032(Top 20%)
21M21.00 mi1.00 mi1471+391406+361406+361142(Top 4%)1088(Top 7%)1088(Top 21%)
35K21.75 mi0.75 mi1428+431364+421364+42788(Top 3%)747(Top 5%)747(Top 14%)
23M23.00 mi1.25 mi1367+611304+601304+60839(Top 3%)797(Top 5%)797(Top 15%)
24M24.00 mi1.00 mi1322+451261+431261+43924(Top 3%)875(Top 6%)875(Top 17%)
40K24.85 mi0.85 mi1316+61254+71254+71491(Top 6%)1405(Top 9%)1405(Top 27%)
25.2M25.20 mi0.35 mi1321-51258-41258-42639(Top 10%)2425(Top 16%)2425(Top 46%)
Finish26.22 mi1.02 mi1364-431299-411299-412990(Top 11%)2699(Top 18%)2699(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1660

Males

1586

M18-39

1586

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1688

Males

1614

M18-39

1614

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1660

Males

1586

M18-39

1586

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1856

Males

1779

M18-39

1779

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1956

Males

1879

M18-39

1879

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1399

Males

1336

M18-39

1336

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1350

Males

1292

M18-39

1292

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1077

Males

1032

M18-39

1032

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1142

Males

1088

M18-39

1088

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

788

Males

747

M18-39

747

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

839

Males

797

M18-39

797

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

924

Males

875

M18-39

875

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1491

Males

1405

M18-39

1405

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2639

Males

2425

M18-39

2425

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2990

Males

2699

M18-39

2699

Passing Analysis

Category:
Athletes Passed
670
Passed By
380
Net Change
+290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1654
5K → 10K9993+6#1654#1648
10K → 15K5361-8#1648#1656
15K → 20K3876-38#1656#1694
20K → Half717-10#1694#1704
Half → 25K6411+53#1704#1651
25K → 30K10620+86#1651#1565
30K → 20M6510+55#1565#1510
20M → 21M445+39#1510#1471
21M → 35K463+43#1471#1428
35K → 23M632+61#1428#1367
23M → 24M505+45#1367#1322
24M → 40K2014+6#1322#1316
40K → 25.2M813-5#1316#1321
25.2M → Finish750-43#1321#1364
TOTALS670380+290
📊

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