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BOSTON MARATHON 2023

Frode Thomassen

Bib: 31854 M NO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
10:06/mi
31:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:28/mi
1:03:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:23/mi
1:36:10
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:00/mi
2:10:19
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:52/mi
2:17:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:59/mi
2:44:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:53/mi
3:21:17
↑ 181↓ 1480.2%
138 ft elev
20M
12:20/mi
3:38:03
↑ 64↓ 500.2%
148 ft elev
21M
13:11/mi
3:51:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:26/mi
4:00:32
↑ 17↓ 861.7%
156 ft elev
23M
12:29/mi
4:16:10
↑ 23↓ 630.6%
116 ft elev
24M
12:35/mi
4:28:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:06/mi
4:39:06
↓ 200.3%
20 ft elev
25.2M
12:11/mi
4:43:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:35/mi
4:54:05
↑ 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
2:17:4410:30 /mi⚡ faster
2nd Half
2:36:2111:56 /mi+13.5%
Positive split — 13.5% 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
31:2410:063.11 mi31:24
10:06
-
10K
1:03:5410:173.10 mi32:30
10:28
+0:22
15K
1:36:1010:193.11 mi32:16
10:23
-0:05
20K
2:10:1910:293.11 mi34:09
11:00
+0:37
Half(13.11 mi)
2:17:4410:300.68 mi7:25
10:52
-0:08
25K
2:44:2110:352.42 mi26:37
10:59
+0:07
30K
3:21:1710:483.11 mi36:56
11:53
+0:54
20M
3:38:0310:541.36 mi16:46
12:20
+0:27
21M
3:51:1411:011.00 mi13:11
13:11
+0:51
35K
4:00:3211:040.75 mi9:18
12:26
-0:45
23M
4:16:1011:081.25 mi15:38
12:29
+0:03
24M
4:28:4511:121.00 mi12:35
12:35
+0:06
40K
4:39:0611:140.85 mi10:21
12:06
-0:29
25.2M
4:43:1811:150.35 mi4:12
12:11
+0:05
Finish(26.22 mi)
4:54:0511:131.02 mi10:47
10:35
-1:36
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:06 /mi

Average Pace

11:13 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:55:08

60% of race

Time at Steady Pace

1:08:15

23% of race

Time at Slower Pace

50:42

17% of race

Average Pace: 11:13 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi236961392813928242501419814198
10K3.10 mi24228-53214193-26514193-265246101435814358
15K3.11 mi24262-3414203-1014203-10242501419814198
20K3.11 mi24391-12914256-5314256-53246241433214332
Half(13.11 mi)0.68 mi24416-2514267-1114267-11247501437914379
25K2.42 mi24316+10014206+6114206+61239381399613996
30K3.11 mi24358-4214210-414210-4243661414514145
20M1.36 mi24378-2014213-314213-3245781417614176
21M1.00 mi24383-514205+814205+8242871402614026
35K0.75 mi24417-3414215-1014215-10250981437314373
23M1.25 mi24445-2814220-514220-5245721412414124
24M1.00 mi24499-5414235-1514235-15251381436414364
40K0.85 mi24494+514227+814227+8240221381313813
25.2M0.35 mi24481+1314217+1014217+10228031323613236
Finish(26.22 mi)1.02 mi24440+4114193+2414193+24231671341713417

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24250

Males

14198

M50-54

14198

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24610

Males

14358

M50-54

14358

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24250

Males

14198

M50-54

14198

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24624

Males

14332

M50-54

14332

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24750

Males

14379

M50-54

14379

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23938

Males

13996

M50-54

13996

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24366

Males

14145

M50-54

14145

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24578

Males

14176

M50-54

14176

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24287

Males

14026

M50-54

14026

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

25098

Males

14373

M50-54

14373

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24572

Males

14124

M50-54

14124

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25138

Males

14364

M50-54

14364

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24022

Males

13813

M50-54

13813

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22803

Males

13236

M50-54

13236

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23167

Males

13417

M50-54

13417

Passing Analysis

Category:
Passed
676
Passed By
1420
Net Change
-744
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23696
5K → 10K33565-532#23696#24228
10K → 15K109143-34#24228#24262
15K → 20K65194-129#24262#24391
20K → Half1237-25#24391#24416
Half → 25K12828+100#24416#24316
25K → 30K98140-42#24316#24358
30K → 20M3959-20#24358#24378
20M → 21M4146-5#24378#24383
21M → 35K2054-34#24383#24417
35K → 23M2452-28#24417#24445
23M → 24M1771-54#24445#24499
24M → 40K2621+5#24499#24494
40K → 25.2M163+13#24494#24481
25.2M → Finish487+41#24481#24440
TOTALS6761420-744

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