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BOSTON MARATHON 2023

Alfonzo Gonzalez

Bib: 1330•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:38
Rank: #1499
Start → 5K
19:38 | 6:19/mi
10K· 6.21 mi
38:23
Rank: #1150 (+349)
5K → 10K
18:45 | 6:02/mi
15K· 9.32 mi
57:29
Rank: #1122 (+28)
10K → 15K
19:06 | 6:09/mi
20K· 12.43 mi
1:17:07
Rank: #1167 (-45)
15K → 20K
19:38 | 6:19/mi
Half· 13.11 mi
1:21:27
Rank: #1197 (-30)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:36:52
Rank: #1231 (-34)
Half → 25K
15:25 | 6:22/mi
30K· 18.64 mi
1:56:54
Rank: #1238 (-7)
25K → 30K
20:02 | 6:27/mi
20M
2:05:43
Rank: #1234 (+4)
30K → 20M
8:49 | 6:29/mi
21M
2:12:34
Rank: #1239 (-5)
20M → 21M
6:51 | 6:51/mi
35K· 21.75 mi
2:17:14
Rank: #1222 (+17)
21M → 35K
4:40 | 6:14/mi
23M
2:25:17
Rank: #1202 (+20)
35K → 23M
8:03 | 6:26/mi
24M
2:31:30
Rank: #1177 (+25)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:36:59
Rank: #1167 (+10)
24M → 40K
5:29 | 6:25/mi
25.2M
2:39:19
Rank: #1161 (+6)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:45:30
Rank: #1137 (+24)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:27
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:24:03
Pace6:25 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4319:386:1919:38
6:19
-
10K
6.21 mi10:39:2838:236:1118:45
6:02
-0:17
15K
9.32 mi10:58:3457:296:1019:06
6:09
+0:07
20K
12.43 mi11:18:121:17:076:1219:38
6:19
+0:10
Half
13.11 mi11:22:321:21:276:134:20
6:21
+0:02
25K
15.53 mi11:37:571:36:526:1415:25
6:22
+0:01
30K
18.64 mi11:57:591:56:546:1620:02
6:27
+0:05
20M
20.00 mi12:06:482:05:436:178:49
6:29
+0:02
21M
21.00 mi12:13:392:12:346:196:51
6:51
+0:22
35K
21.75 mi12:18:192:17:146:194:40
6:14
-0:37
23M
23.00 mi12:26:222:25:176:198:03
6:26
+0:12
24M
24.00 mi12:32:352:31:306:196:13
6:13
-0:13
40K
24.85 mi12:38:042:36:596:195:29
6:25
+0:12
25.2M
25.20 mi12:40:242:39:196:192:20
6:46
+0:21
Finish
26.22 mi12:46:352:45:306:196:11
6:04
-0:42

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

6:19 /mi

Slowest Pace

6:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:19

94% of race

Time at Steady Pace

9:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:20:4319:386:1919:38
6:19
#1499
10K
6.21 mi10:39:2838:236:1118:45
6:02
#1150
15K
9.32 mi10:58:3457:296:1019:06
6:09
#1122
20K
12.43 mi11:18:121:17:076:1219:38
6:19
#1167
Half
13.11 mi11:22:321:21:276:134:20
6:21
#1197
25K
15.53 mi11:37:571:36:526:1415:25
6:22
#1231
30K
18.64 mi11:57:591:56:546:1620:02
6:27
#1238
20M
20.00 mi12:06:482:05:436:178:49
6:29
#1234
21M
21.00 mi12:13:392:12:346:196:51
6:51
#1239
35K
21.75 mi12:18:192:17:146:194:40
6:14
#1222
23M
23.00 mi12:26:222:25:176:198:03
6:26
#1202
24M
24.00 mi12:32:352:31:306:196:13
6:13
#1177
40K
24.85 mi12:38:042:36:596:195:29
6:25
#1167
25.2M
25.20 mi12:40:242:39:196:192:20
6:46
#1161
Finish
26.22 mi12:46:352:45:306:196:11
6:04
#1137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1499142614261095(Top 4%)1042(Top 7%)1042(Top 46%)
10K6.21 mi3.10 mi1150+3491087+3391087+339901(Top 3%)852(Top 6%)852(Top 38%)
15K9.32 mi3.11 mi1122+281063+241063+241095(Top 4%)1042(Top 7%)1042(Top 46%)
20K12.43 mi3.11 mi1167-451111-481111-481460(Top 5%)1394(Top 9%)1394(Top 62%)
Half13.11 mi0.68 mi1197-301140-291140-291948(Top 7%)1871(Top 12%)1871(Top 83%)
25K15.53 mi2.42 mi1231-341176-361176-361545(Top 6%)1480(Top 10%)1480(Top 66%)
30K18.64 mi3.11 mi1238-71183-71183-71364(Top 5%)1306(Top 9%)1306(Top 58%)
20M20.00 mi1.36 mi1234+41179+41179+41388(Top 5%)1323(Top 9%)1323(Top 59%)
21M21.00 mi1.00 mi1239-51184-51184-51562(Top 6%)1486(Top 10%)1486(Top 66%)
35K21.75 mi0.75 mi1222+171167+171167+171348(Top 5%)1278(Top 8%)1278(Top 57%)
23M23.00 mi1.25 mi1202+201148+191148+191188(Top 4%)1122(Top 7%)1122(Top 50%)
24M24.00 mi1.00 mi1177+251123+251123+251070(Top 4%)1012(Top 7%)1012(Top 45%)
40K24.85 mi0.85 mi1167+101113+101113+101234(Top 5%)1162(Top 8%)1162(Top 52%)
25.2M25.20 mi0.35 mi1161+61107+61107+61048(Top 4%)995(Top 7%)995(Top 44%)
Finish26.22 mi1.02 mi1137+241083+241083+24898(Top 3%)858(Top 6%)858(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1095

Males

1042

M40-44

1042

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

901

Males

852

M40-44

852

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1095

Males

1042

M40-44

1042

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1460

Males

1394

M40-44

1394

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1948

Males

1871

M40-44

1871

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1545

Males

1480

M40-44

1480

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1364

Males

1306

M40-44

1306

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1388

Males

1323

M40-44

1323

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1562

Males

1486

M40-44

1486

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1348

Males

1278

M40-44

1278

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1188

Males

1122

M40-44

1122

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1070

Males

1012

M40-44

1012

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1234

Males

1162

M40-44

1162

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1048

Males

995

M40-44

995

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

898

Males

858

M40-44

858

Passing Analysis

Category:
Athletes Passed
657
Passed By
295
Net Change
+362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1499
5K → 10K3501+349#1499#1150
10K → 15K4618+28#1150#1122
15K → 20K2065-45#1122#1167
20K → Half232-30#1167#1197
Half → 25K1650-34#1197#1231
25K → 30K3643-7#1231#1238
30K → 20M1612+4#1238#1234
20M → 21M2025-5#1234#1239
21M → 35K258+17#1239#1222
35K → 23M3717+20#1222#1202
23M → 24M283+25#1202#1177
24M → 40K199+10#1177#1167
40K → 25.2M115+6#1167#1161
25.2M → Finish317+24#1161#1137
TOTALS657295+362
📊

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