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BOSTON MARATHON 2023

Alexander Kamages

CA

Bib: 11777 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M45-49)
#0 / 2252
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
7:32/mi
23:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:15/mi
45:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:15/mi
1:08:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:17/mi
1:31:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:26/mi
1:36:09
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:47/mi
1:55:02
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:08/mi
2:20:19
↑ 181↓ 1480.2%
138 ft elev
20M
8:16/mi
2:31:33
↑ 64↓ 500.2%
148 ft elev
21M
8:41/mi
2:40:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:41/mi
2:45:59
↑ 17↓ 861.7%
156 ft elev
23M
8:11/mi
2:56:14
↑ 23↓ 630.6%
116 ft elev
24M
7:40/mi
3:03:54
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:05/mi
3:10:49
↓ 200.3%
20 ft elev
25.2M
8:59/mi
3:13:55
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:01/mi
3:22:05
↑ 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
1:36:097:20 /mi⚡ faster
2nd Half
1:45:568:05 /mi+10.2%
Positive split — 10.2% 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
23:247:323.11 mi23:24
7:32
-
10K
45:547:233.10 mi22:30
7:15
-0:17
15K
1:08:267:213.11 mi22:32
7:15
0:00
20K
1:31:057:203.11 mi22:39
7:17
+0:02
Half(13.11 mi)
1:36:097:200.68 mi5:04
7:26
+0:09
25K
1:55:027:242.42 mi18:53
7:47
+0:21
30K
2:20:197:323.11 mi25:17
8:08
+0:21
20M
2:31:337:351.36 mi11:14
8:16
+0:08
21M
2:40:147:381.00 mi8:41
8:41
+0:25
35K
2:45:597:380.75 mi5:45
7:41
-1:00
23M
2:56:147:401.25 mi10:15
8:11
+0:30
24M
3:03:547:401.00 mi7:40
7:40
-0:31
40K
3:10:497:410.85 mi6:55
8:05
+0:25
25.2M
3:13:557:420.35 mi3:06
8:59
+0:54
Finish(26.22 mi)
3:22:057:431.02 mi8:10
8:01
-0:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:15 /mi

Average Pace

7:43 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:12:45

36% of race

Time at Steady Pace

1:03:52

32% of race

Time at Slower Pace

1:05:28

32% of race

Average Pace: 7:42 /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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi990080798079816870357035
10K3.10 mi9081+8197621+4587621+458841572057205
15K3.11 mi8782+2997428+1937428+193816870357035
20K3.11 mi8461+3217231+1977231+197770666996699
Half(13.11 mi)0.68 mi8526-657274-437274-43958478657865
25K2.42 mi8869-3437462-1887462-1881097884848484
30K3.11 mi9371-5027722-2607722-2601189887558755
20M1.36 mi9585-2147829-1077829-1071210687438743
21M1.00 mi9673-887867-387867-381153183508350
35K0.75 mi9654+197842+257842+25980875217521
23M1.25 mi9706-527831+117831+111107280038003
24M1.00 mi9631+757763+687763+68884368126812
40K0.85 mi9646-157750+137750+131061576567656
25.2M0.35 mi9681-357749+17749+11236084238423
Finish(26.22 mi)1.02 mi9749-687753-47753-41219883738373

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8168

Males

7035

M45-49

7035

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8415

Males

7205

M45-49

7205

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8168

Males

7035

M45-49

7035

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7706

Males

6699

M45-49

6699

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9584

Males

7865

M45-49

7865

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10978

Males

8484

M45-49

8484

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11898

Males

8755

M45-49

8755

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12106

Males

8743

M45-49

8743

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11531

Males

8350

M45-49

8350

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9808

Males

7521

M45-49

7521

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11072

Males

8003

M45-49

8003

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8843

Males

6812

M45-49

6812

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10615

Males

7656

M45-49

7656

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12360

Males

8423

M45-49

8423

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12198

Males

8373

M45-49

8373

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#9900
5K → 10K
61880+819
#9900 → #9081
10K → 15K
31330+299
#9081 → #8782
15K → 20K
18339+321
#8782 → #8461
20K → Half
716-65
#8461 → #8526
Half → 25K
37128-343
#8526 → #8869
25K → 30K
56866-502
#8869 → #9371
30K → 20M
25541-214
#9371 → #9585
20M → 21M
13850-88
#9585 → #9673
21M → 35K
2342+19
#9673 → #9654
35K → 23M
13280-52
#9654 → #9706
23M → 24M
26101+75
#9706 → #9631
24M → 40K
6853*-15
#9631 → #9646
40K → 25.2M
6126-35
#9646 → #9681
25.2M → Finish
11547*-68
#9681 → #9749
TOTALS
19382089*+151
#9900 → #9749

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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