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BOSTON MARATHON 2023

Steve Zervo

Bib: 2381•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:00
Rank: #1961
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
39:05
Rank: #1520 (+441)
5K → 10K
19:05 | 6:09/mi
15K· 9.32 mi
58:17
Rank: #1390 (+130)
10K → 15K
19:12 | 6:11/mi
20K· 12.43 mi
1:17:40
Rank: #1312 (+78)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:21:56
Rank: #1320 (-8)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:36:58
Rank: #1262 (+58)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:56:30
Rank: #1169 (+93)
25K → 30K
19:32 | 6:17/mi
20M
2:05:29
Rank: #1195 (-26)
30K → 20M
8:59 | 6:36/mi
21M
2:12:05
Rank: #1148 (+47)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:16:49
Rank: #1160 (-12)
21M → 35K
4:44 | 6:20/mi
23M
2:25:27
Rank: #1227 (-67)
35K → 23M
8:38 | 6:54/mi
24M
2:31:45
Rank: #1215 (+12)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:37:16
Rank: #1209 (+6)
24M → 40K
5:31 | 6:27/mi
25.2M
2:39:41
Rank: #1219 (-10)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:46:14
Rank: #1233 (-14)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:56
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:24:18
Pace6:26 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5420:006:2620:00
6:26
-
10K
6.21 mi10:39:5939:056:1719:05
6:09
-0:17
15K
9.32 mi10:59:1158:176:1519:12
6:11
+0:02
20K
12.43 mi11:18:341:17:406:1519:23
6:14
+0:03
Half
13.11 mi11:22:501:21:566:154:16
6:15
+0:01
25K
15.53 mi11:37:521:36:586:1515:02
6:12
-0:03
30K
18.64 mi11:57:241:56:306:1519:32
6:17
+0:05
20M
20.00 mi12:06:232:05:296:168:59
6:36
+0:19
21M
21.00 mi12:12:592:12:056:176:36
6:36
0:00
35K
21.75 mi12:17:432:16:496:174:44
6:20
-0:16
23M
23.00 mi12:26:212:25:276:198:38
6:54
+0:34
24M
24.00 mi12:32:392:31:456:196:18
6:18
-0:36
40K
24.85 mi12:38:102:37:166:205:31
6:27
+0:09
25.2M
25.20 mi12:40:352:39:416:202:25
7:00
+0:33
Finish
26.22 mi12:47:082:46:146:216:33
6:26
-0:34

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

6:09 /mi

Average Pace

6:21 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:11

93% of race

Time at Steady Pace

11:03

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:20:5420:006:2620:00
6:26
#1961
10K
6.21 mi10:39:5939:056:1719:05
6:09
#1520
15K
9.32 mi10:59:1158:176:1519:12
6:11
#1390
20K
12.43 mi11:18:341:17:406:1519:23
6:14
#1312
Half
13.11 mi11:22:501:21:566:154:16
6:15
#1320
25K
15.53 mi11:37:521:36:586:1515:02
6:12
#1262
30K
18.64 mi11:57:241:56:306:1519:32
6:17
#1169
20M
20.00 mi12:06:232:05:296:168:59
6:36
#1195
21M
21.00 mi12:12:592:12:056:176:36
6:36
#1148
35K
21.75 mi12:17:432:16:496:174:44
6:20
#1160
23M
23.00 mi12:26:212:25:276:198:38
6:54
#1227
24M
24.00 mi12:32:392:31:456:196:18
6:18
#1215
40K
24.85 mi12:38:102:37:166:205:31
6:27
#1209
25.2M
25.20 mi12:40:352:39:416:202:25
7:00
#1219
Finish
26.22 mi12:47:082:46:146:216:33
6:26
#1233
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1961187118711183(Top 4%)1129(Top 7%)1129(Top 21%)
10K6.21 mi3.10 mi1520+4411450+4211450+4211149(Top 4%)1090(Top 7%)1090(Top 21%)
15K9.32 mi3.11 mi1390+1301325+1251325+1251183(Top 4%)1129(Top 7%)1129(Top 21%)
20K12.43 mi3.11 mi1312+781250+751250+751171(Top 4%)1118(Top 7%)1118(Top 21%)
Half13.11 mi0.68 mi1320-81258-81258-81571(Top 6%)1506(Top 10%)1506(Top 28%)
25K15.53 mi2.42 mi1262+581206+521206+521001(Top 4%)952(Top 6%)952(Top 18%)
30K18.64 mi3.11 mi1169+931116+901116+90886(Top 3%)844(Top 6%)844(Top 16%)
20M20.00 mi1.36 mi1195-261141-251141-251875(Top 7%)1787(Top 12%)1787(Top 34%)
21M21.00 mi1.00 mi1148+471095+461095+46889(Top 3%)843(Top 6%)843(Top 16%)
35K21.75 mi0.75 mi1160-121106-111106-111642(Top 6%)1560(Top 10%)1560(Top 30%)
23M23.00 mi1.25 mi1227-671171-651171-653159(Top 12%)2936(Top 19%)2936(Top 56%)
24M24.00 mi1.00 mi1215+121159+121159+121338(Top 5%)1266(Top 8%)1266(Top 24%)
40K24.85 mi0.85 mi1209+61153+61153+61372(Top 5%)1295(Top 9%)1295(Top 25%)
25.2M25.20 mi0.35 mi1219-101162-91162-91727(Top 6%)1620(Top 11%)1620(Top 31%)
Finish26.22 mi1.02 mi1233-141176-141176-142109(Top 8%)1954(Top 13%)1954(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1183

Males

1129

M18-39

1129

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1149

Males

1090

M18-39

1090

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1183

Males

1129

M18-39

1129

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1171

Males

1118

M18-39

1118

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1571

Males

1506

M18-39

1506

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1001

Males

952

M18-39

952

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

886

Males

844

M18-39

844

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1875

Males

1787

M18-39

1787

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

889

Males

843

M18-39

843

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1642

Males

1560

M18-39

1560

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3159

Males

2936

M18-39

2936

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1338

Males

1266

M18-39

1266

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1372

Males

1295

M18-39

1295

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1727

Males

1620

M18-39

1620

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2109

Males

1954

M18-39

1954

Passing Analysis

Category:
Athletes Passed
978
Passed By
250
Net Change
+728
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1961
5K → 10K4454+441#1961#1520
10K → 15K1388+130#1520#1390
15K → 20K9315+78#1390#1312
20K → Half311-8#1312#1320
Half → 25K635+58#1320#1262
25K → 30K963+93#1262#1169
30K → 20M1440-26#1169#1195
20M → 21M514+47#1195#1148
21M → 35K1022-12#1148#1160
35K → 23M1178-67#1160#1227
23M → 24M2311+12#1227#1215
24M → 40K1812+6#1215#1209
40K → 25.2M414-10#1209#1219
25.2M → Finish923-14#1219#1233
TOTALS978250+728
📊

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