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BOSTON MARATHON 2023

Nicholas Jeror

Bib: 1548•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 9%
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
6:09/mi
19:06
↑ 97↓ 3451.5%
10K· 6.21 mi
6:10/mi
38:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:15/mi
57:41
↑ 67↓ 78
20K· 12.43 mi
6:15/mi
1:17:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:08/mi
1:21:18
↑ 19↓ 370.5%
25K· 15.53 mi
6:08/mi
1:36:11
↑ 66↓ 880.2%
30K· 18.64 mi
6:04/mi
1:55:01
↑ 181↓ 1480.2%
20M
6:00/mi
2:03:10
↑ 64↓ 500.2%
21M
6:19/mi
2:09:29
↑ 106↓ 241.6%
35K· 21.75 mi
5:37/mi
2:13:41
↑ 17↓ 861.7%
23M
5:52/mi
2:21:02
↑ 23↓ 630.6%
24M
5:36/mi
2:26:38
↓ 821.3%
40K· 24.85 mi
5:47/mi
2:31:35
↓ 200.3%
25.2M
6:20/mi
2:33:46
↑ 13↓ 160.2%
Finish· 26.22 mi
5:40/mi
2:39:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:21:18
Pace6:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:18:14
Pace5:58 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3019:066:0919:06
6:09
-
10K
6.21 mi10:38:4138:176:1019:11
6:10
+0:01
15K
9.32 mi10:58:0557:416:1119:24
6:15
+0:05
20K
12.43 mi11:17:311:17:076:1219:26
6:15
0:00
Half
13.11 mi11:21:421:21:186:124:11
6:08
-0:07
25K
15.53 mi11:36:351:36:116:1214:53
6:08
0:00
30K
18.64 mi11:55:251:55:016:1018:50
6:04
-0:04
20M
20.00 mi12:03:342:03:106:098:09
6:00
-0:04
21M
21.00 mi12:09:532:09:296:106:19
6:19
+0:19
35K
21.75 mi12:14:052:13:416:094:12
5:37
-0:42
23M
23.00 mi12:21:262:21:026:087:21
5:52
+0:15
24M
24.00 mi12:27:022:26:386:075:36
5:36
-0:16
40K
24.85 mi12:31:592:31:356:064:57
5:47
+0:11
25.2M
25.20 mi12:34:102:33:466:062:11
6:20
+0:33
Finish
26.22 mi12:39:562:39:326:055:46
5:40
-0:40

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

5:36 /mi

Average Pace

6:05 /mi

Slowest Pace

6:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:01

58% of race

Time at Steady Pace

1:06:31

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:05 /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 mi10:19:3019:066:0919:06
6:09
#999
10K
6.21 mi10:38:4138:176:1019:11
6:10
#1111
15K
9.32 mi10:58:0557:416:1119:24
6:15
#1163
20K
12.43 mi11:17:311:17:076:1219:26
6:15
#1161
Half
13.11 mi11:21:421:21:186:124:11
6:08
#1159
25K
15.53 mi11:36:351:36:116:1214:53
6:08
#1096
30K
18.64 mi11:55:251:55:016:1018:50
6:04
#938
20M
20.00 mi12:03:342:03:106:098:09
6:00
#878
21M
21.00 mi12:09:532:09:296:106:19
6:19
#819
35K
21.75 mi12:14:052:13:416:094:12
5:37
#793
23M
23.00 mi12:21:262:21:026:087:21
5:52
#746
24M
24.00 mi12:27:022:26:386:075:36
5:36
#676
40K
24.85 mi12:31:592:31:356:064:57
5:47
#639
25.2M
25.20 mi12:34:102:33:466:062:11
6:20
#629
Finish
26.22 mi12:39:562:39:326:055:46
5:40
#607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9999439431392(Top 5%)1325(Top 9%)1325(Top 25%)
10K6.21 mi3.10 mi1111-1121051-1081051-1081240(Top 5%)1177(Top 8%)1177(Top 22%)
15K9.32 mi3.11 mi1163-521103-521103-521392(Top 5%)1325(Top 9%)1325(Top 25%)
20K12.43 mi3.11 mi1161+21105-21105-21225(Top 5%)1172(Top 8%)1172(Top 22%)
Half13.11 mi0.68 mi1159+21103+21103+21088(Top 4%)1037(Top 7%)1037(Top 20%)
25K15.53 mi2.42 mi1096+631041+621041+62830(Top 3%)786(Top 5%)786(Top 15%)
30K18.64 mi3.11 mi938+158890+151890+151453(Top 2%)421(Top 3%)421(Top 8%)
20M20.00 mi1.36 mi878+60831+59831+59349(Top 1%)322(Top 2%)322(Top 6%)
21M21.00 mi1.00 mi819+59774+57774+57376(Top 1%)347(Top 2%)347(Top 7%)
35K21.75 mi0.75 mi793+26750+24750+24158(Top 0.6%)135(Top 0.9%)135(Top 3%)
23M23.00 mi1.25 mi746+47703+47703+47189(Top 0.7%)166(Top 1%)166(Top 3%)
24M24.00 mi1.00 mi676+70635+68635+68122(Top 0.5%)105(Top 0.7%)105(Top 2%)
40K24.85 mi0.85 mi639+37598+37598+37143(Top 0.5%)129(Top 0.9%)129(Top 2%)
25.2M25.20 mi0.35 mi629+10589+9589+9266(Top 1.0%)246(Top 2%)246(Top 5%)
Finish26.22 mi1.02 mi607+22567+22567+22199(Top 0.7%)183(Top 1%)183(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1392

Males

1325

M18-39

1325

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1240

Males

1177

M18-39

1177

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1392

Males

1325

M18-39

1325

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1225

Males

1172

M18-39

1172

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1088

Males

1037

M18-39

1037

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

830

Males

786

M18-39

786

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

453

Males

421

M18-39

421

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

349

Males

322

M18-39

322

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

376

Males

347

M18-39

347

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7story building
+17ft-86ft

Overall

158

Males

135

M18-39

135

35K→23M

21.8 - 23.0 mi

Top 0.7%
×5story building
+23ft-63ft

Overall

189

Males

166

M18-39

166

23M→24M

23.0 - 24.0 mi

Top 0.5%
×6story building
+12ft-82ft

Overall

122

Males

105

M18-39

105

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

143

Males

129

M18-39

129

40K→25.2M

24.9 - 25.2 mi

Top 1.0%
×1story
+13ft-16ft

Overall

266

Males

246

M18-39

246

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2story building
+22ft-21ft

Overall

199

Males

183

M18-39

183

Passing Analysis

Category:
Athletes Passed
624
Passed By
232
Net Change
+392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#999
5K → 10K14126-112#999#1111
10K → 15K1365-52#1111#1163
15K → 20K3028+2#1163#1161
20K → Half86+2#1161#1159
Half → 25K652+63#1159#1096
25K → 30K1580+158#1096#938
30K → 20M611+60#938#878
20M → 21M601+59#878#819
21M → 35K260+26#819#793
35K → 23M470+47#793#746
23M → 24M700+70#746#676
24M → 40K381+37#676#639
40K → 25.2M111+10#639#629
25.2M → Finish231+22#629#607
TOTALS624232+392
📊

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