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BOSTON MARATHON 2023

Sam Ives

MN

Bib: 1516 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Masters (Masters Men)
#0 / 9891
Top 0.8%
Division (M40-44)
#0 / 2241
Top 3%
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
6:15/mi
19:26
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:10/mi
38:36
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:06/mi
57:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:05/mi
1:16:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:03/mi
1:20:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:02/mi
1:35:12
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:10/mi
1:54:21
↑ 181↓ 1480.2%
138 ft elev
20M
6:06/mi
2:02:39
↑ 64↓ 500.2%
148 ft elev
21M
6:15/mi
2:08:54
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:01/mi
2:13:24
↑ 17↓ 861.7%
156 ft elev
23M
6:01/mi
2:20:56
↑ 23↓ 630.6%
116 ft elev
24M
5:54/mi
2:26:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:00/mi
2:31:58
↓ 200.3%
20 ft elev
25.2M
6:23/mi
2:34:10
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
5:45/mi
2:40:02
↑ 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
1:20:346:09 /mi+1.4%
2nd Half
1:19:286:04 /mi✓ faster
Negative split — 1.4% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:266:153.11 mi19:26
6:15
-
10K
38:366:133.10 mi19:10
6:10
-0:05
15K
57:336:103.11 mi18:57
6:06
-0:04
20K
1:16:266:093.11 mi18:53
6:05
-0:01
Half(13.11 mi)
1:20:346:090.68 mi4:08
6:03
-0:02
25K
1:35:126:082.42 mi14:38
6:02
-0:01
30K
1:54:216:083.11 mi19:09
6:10
+0:08
20M
2:02:396:081.36 mi8:18
6:06
-0:04
21M
2:08:546:081.00 mi6:15
6:15
+0:09
35K
2:13:246:080.75 mi4:30
6:01
-0:14
23M
2:20:566:081.25 mi7:32
6:01
0:00
24M
2:26:506:071.00 mi5:54
5:54
-0:07
40K
2:31:586:070.85 mi5:08
6:00
+0:06
25.2M
2:34:106:070.35 mi2:12
6:23
+0:23
Finish(26.22 mi)
2:40:026:061.02 mi5:52
5:45
-0:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:45 /mi

Average Pace

6:06 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:37:50

99% of race

Time at Steady Pace

2:12

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:06 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi127012041204965916916
10K3.10 mi1229+411164+401164+40122211591159
15K3.11 mi1134+951074+901074+90965916916
20K3.11 mi1033+101981+93981+93725683683
Half(13.11 mi)0.68 mi1027+6975+6975+6893850850
25K2.42 mi947+80899+76899+76595555555
30K3.11 mi860+87814+85814+85613577577
20M1.36 mi814+46771+43771+43497463463
21M1.00 mi772+42729+42729+42295270270
35K0.75 mi770+2727+2727+2708668668
23M1.25 mi734+36692+35692+35324299299
24M1.00 mi695+39654+38654+38391365365
40K0.85 mi666+29625+29625+29351327327
25.2M0.35 mi655+11614+11614+11336315315
Finish(26.22 mi)1.02 mi632+23592+22592+22305287287

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

965

Males

916

M40-44

916

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1222

Males

1159

M40-44

1159

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

965

Males

916

M40-44

916

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

725

Males

683

M40-44

683

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

893

Males

850

M40-44

850

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

595

Males

555

M40-44

555

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

613

Males

577

M40-44

577

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

497

Males

463

M40-44

463

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

295

Males

270

M40-44

270

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

708

Males

668

M40-44

668

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

324

Males

299

M40-44

299

23M→24M

23.0 - 24.0 mi

Top 1%
×6story building
+12ft-82ft

Overall

391

Males

365

M40-44

365

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

351

Males

327

M40-44

327

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

336

Males

315

M40-44

315

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

305

Males

287

M40-44

287

Passing Analysis

Category:
Passed
713
Passed By
75
Net Change
+638
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1270
5K → 10K8948+41#1270#1229
10K → 15K1005+95#1229#1134
15K → 20K1021+101#1134#1033
20K → Half104+6#1033#1027
Half → 25K822+80#1027#947
25K → 30K892+87#947#860
30K → 20M460+46#860#814
20M → 21M420+42#814#772
21M → 35K86+2#772#770
35K → 23M371+36#770#734
23M → 24M412+39#734#695
24M → 40K290+29#695#666
40K → 25.2M132+11#666#655
25.2M → Finish252+23#655#632
TOTALS71375+638

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