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BOSTON MARATHON 2023

Eric Gulliver

MA

Bib: 31869 M

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:15/mi
31:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:56/mi
1:02:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:55/mi
1:33:31
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:24/mi
2:05:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:48/mi
2:12:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:03/mi
2:36:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:24/mi
3:09:09
↑ 181↓ 1480.2%
138 ft elev
20M
10:16/mi
3:23:06
↑ 64↓ 500.2%
148 ft elev
21M
11:22/mi
3:34:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:24/mi
3:42:15
↑ 17↓ 861.7%
156 ft elev
23M
11:32/mi
3:56:42
↑ 23↓ 630.6%
116 ft elev
24M
10:32/mi
4:07:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:23/mi
4:16:07
↓ 200.3%
20 ft elev
25.2M
11:10/mi
4:19:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:28/mi
4:29:37
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:12:3010:06 /mi⚡ faster
2nd Half
2:17:0710:28 /mi+3.5%
Positive split — 3.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:5010:153.11 mi31:50
10:15
-
10K
1:02:4110:053.10 mi30:51
9:56
-0:19
15K
1:33:3110:023.11 mi30:50
9:55
-0:01
20K
2:05:4910:073.11 mi32:18
10:24
+0:29
Half(13.11 mi)
2:12:3010:060.68 mi6:41
9:48
-0:36
25K
2:36:5110:062.42 mi24:21
10:03
+0:15
30K
3:09:0910:093.11 mi32:18
10:24
+0:21
20M
3:23:0610:091.36 mi13:57
10:16
-0:08
21M
3:34:2810:131.00 mi11:22
11:22
+1:06
35K
3:42:1510:130.75 mi7:47
10:24
-0:58
23M
3:56:4210:171.25 mi14:27
11:32
+1:08
24M
4:07:1410:181.00 mi10:32
10:32
-1:00
40K
4:16:0710:180.85 mi8:53
10:23
-0:09
25.2M
4:19:5810:190.35 mi3:51
11:10
+0:47
Finish(26.22 mi)
4:29:3710:171.02 mi9:39
9:28
-1:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:28 /mi

Average Pace

10:17 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:42:22

38% of race

Time at Steady Pace

2:17:35

51% of race

Time at Slower Pace

29:40

11% of race

Average Pace: 10:17 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi240731412314123233601381513815
10K3.10 mi23817+25614000+12314000+123235541387613876
15K3.11 mi23676+14113939+6113939+61233601381513815
20K3.11 mi23694-1813953-1413953-14236531391313913
Half(13.11 mi)0.68 mi23640+5413929+2413929+24228411355413554
25K2.42 mi23415+22513818+11113818+111223051328513285
30K3.11 mi23146+26913664+15413664+154219891306813068
20M1.36 mi22991+15513575+8913575+89211791265512655
21M1.00 mi22903+8813525+5013525+50216231280812808
35K0.75 mi22880+2313505+2013505+20221911301313013
23M1.25 mi22901-2113503+213503+2233231354213542
24M1.00 mi22850+5113468+3513468+35220991292412924
40K0.85 mi22797+5313442+2613442+26209501235912359
25.2M0.35 mi22771+2613430+1213430+12208161231612316
Finish(26.22 mi)1.02 mi22708+6313395+3513395+35200121199011990

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23360

Males

13815

M18-39

13815

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23554

Males

13876

M18-39

13876

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23360

Males

13815

M18-39

13815

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23653

Males

13913

M18-39

13913

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22841

Males

13554

M18-39

13554

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22305

Males

13285

M18-39

13285

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21989

Males

13068

M18-39

13068

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21179

Males

12655

M18-39

12655

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21623

Males

12808

M18-39

12808

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22191

Males

13013

M18-39

13013

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23323

Males

13542

M18-39

13542

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22099

Males

12924

M18-39

12924

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20950

Males

12359

M18-39

12359

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20816

Males

12316

M18-39

12316

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

20012

Males

11990

M18-39

11990

Passing Analysis

Category:
Passed
1814
Passed By
449
Net Change
+1365
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24073
5K → 10K366110+256#24073#23817
10K → 15K19251+141#23817#23676
15K → 20K114132-18#23676#23694
20K → Half584+54#23694#23640
Half → 25K2338+225#23640#23415
25K → 30K28617+269#23415#23146
30K → 20M1605+155#23146#22991
20M → 21M9810+88#22991#22903
21M → 35K3714+23#22903#22880
35K → 23M4162-21#22880#22901
23M → 24M6413+51#22901#22850
24M → 40K6512+53#22850#22797
40K → 25.2M293+26#22797#22771
25.2M → Finish718+63#22771#22708
TOTALS1814449+1365

Passing Charts

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