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BOSTON MARATHON 2023

Andrew Thorsen

WA

Bib: P110 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
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
5K· 3.11 mi
6:18/mi
19:35
↑ 97↓ 345
10K· 6.21 mi
6:30/mi
39:48
↑ 79↓ 138
15K· 9.32 mi
6:25/mi
59:45
↑ 67↓ 78
20K· 12.43 mi
6:20/mi
1:19:27
↑ 106↓ 86
Half· 13.11 mi
6:15/mi
1:23:43
↑ 19↓ 37
25K· 15.53 mi
6:21/mi
1:39:06
↑ 66↓ 88
30K· 18.64 mi
6:20/mi
1:58:46
↑ 181↓ 148
20M
6:16/mi
2:07:17
↑ 64↓ 50
21M
6:31/mi
2:13:48
↑ 106↓ 24
35K· 21.75 mi
6:00/mi
2:18:17
↑ 17↓ 86
23M
6:13/mi
2:26:04
↑ 23↓ 63
24M
5:57/mi
2:32:01
↓ 82
40K· 24.85 mi
6:08/mi
2:37:16
↓ 20
25.2M
6:43/mi
2:39:35
↑ 13↓ 16
Finish· 26.22 mi
5:57/mi
2:45:39
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:23:436:23 /mi+2.1%
2nd Half
1:21:566:15 /mi✓ faster
Negative split — 2.1% faster 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
19:356:183.11 mi19:35
6:18
-
10K
39:486:243.10 mi20:13
6:30
+0:12
15K
59:456:253.11 mi19:57
6:25
-0:05
20K
1:19:276:243.11 mi19:42
6:20
-0:05
Half(13.11 mi)
1:23:436:230.68 mi4:16
6:15
-0:05
25K
1:39:066:232.42 mi15:23
6:21
+0:06
30K
1:58:466:223.11 mi19:40
6:20
-0:01
20M
2:07:176:221.36 mi8:31
6:16
-0:04
21M
2:13:486:221.00 mi6:31
6:31
+0:15
35K
2:18:176:220.75 mi4:29
6:00
-0:31
23M
2:26:046:211.25 mi7:47
6:13
+0:13
24M
2:32:016:201.00 mi5:57
5:57
-0:16
40K
2:37:166:200.85 mi5:15
6:08
+0:11
25.2M
2:39:356:200.35 mi2:19
6:43
+0:35
Finish(26.22 mi)
2:45:396:191.02 mi6:04
5:57
-0:46
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:57 /mi

Average Pace

6:19 /mi

Slowest Pace

6:43 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:43:20

99% of race

Time at Steady Pace

2:19

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /mi

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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 mi144013691369219921082108
10K3.10 mi2001-5611918-5491918-549281926932693
15K3.11 mi2050-491965-471965-47219921082108
20K3.11 mi1899+1511818+1471818+147155814891489
Half(13.11 mi)0.68 mi1874+251795+231795+23156314981498
25K2.42 mi1804+701725+701725+70149014261426
30K3.11 mi1626+1781556+1691556+169998949949
20M1.36 mi1538+881468+881468+88802762762
21M1.00 mi1463+751398+701398+70688649649
35K0.75 mi1411+521347+511347+51685645645
23M1.25 mi1332+791269+781269+78652616616
24M1.00 mi1264+681207+621207+62468441441
40K0.85 mi1207+571151+561151+56560529529
25.2M0.35 mi1201+61144+71144+7936892892
Finish(26.22 mi)1.02 mi1160+411105+391105+39633602602

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2199

Males

2108

M18-39

2108

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2819

Males

2693

M18-39

2693

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2199

Males

2108

M18-39

2108

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1558

Males

1489

M18-39

1489

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1563

Males

1498

M18-39

1498

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1490

Males

1426

M18-39

1426

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

998

Males

949

M18-39

949

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

802

Males

762

M18-39

762

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

688

Males

649

M18-39

649

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

685

Males

645

M18-39

645

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

652

Males

616

M18-39

616

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

468

Males

441

M18-39

441

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

560

Males

529

M18-39

529

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

936

Males

892

M18-39

892

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

633

Males

602

M18-39

602

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#1440
5K → 10K
5621-561
#1440 → #2001
10K → 15K
9445-49
#2001 → #2050
15K → 20K
9160+151
#2050 → #1899
20K → Half
126+25
#1899 → #1874
Half → 25K
676+70
#1874 → #1804
25K → 30K
4182+178
#1804 → #1626
30K → 20M
189+88
#1626 → #1538
20M → 21M
176+75
#1538 → #1463
21M → 35K
153+52
#1463 → #1411
35K → 23M
180+79
#1411 → #1332
23M → 24M
068+68
#1332 → #1264
24M → 40K
158+57
#1264 → #1207
40K → 25.2M
612+6
#1207 → #1201
25.2M → Finish
647+41
#1201 → #1160
TOTALS
693973+280
#1440 → #1160

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