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BOSTON MARATHON 2023

Bradford Besson

MA

Bib: 26782 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
10:00/mi
31:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:51/mi
1:01:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:50/mi
1:32:13
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:44/mi
2:02:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:14/mi
2:08:45
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:07/mi
2:33:17
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:07/mi
3:07:49
↑ 181↓ 1480.2%
138 ft elev
20M
12:14/mi
3:24:26
↑ 64↓ 500.2%
148 ft elev
21M
13:32/mi
3:37:58
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:21/mi
3:47:12
↑ 17↓ 861.7%
156 ft elev
23M
13:00/mi
4:03:29
↑ 23↓ 630.6%
116 ft elev
24M
12:21/mi
4:15:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:39/mi
4:26:39
↓ 200.3%
20 ft elev
25.2M
13:52/mi
4:31:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:39/mi
4:43:18
↑ 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
2:08:459:49 /mi⚡ faster
2nd Half
2:34:3311:47 /mi+20.0%
Positive split — 20.0% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4831:0410:0031:04
10:00
-
10K
6.21 mi12:18:241:01:409:5530:36
9:51
-0:09
15K
9.32 mi12:48:571:32:139:5430:33
9:50
-0:01
20K
12.43 mi13:19:112:02:279:5130:14
9:44
-0:06
Half
13.11 mi13:25:292:08:459:496:18
9:14
-0:30
25K
15.53 mi13:50:012:33:179:5224:32
10:07
+0:53
30K
18.64 mi14:24:333:07:4910:0534:32
11:07
+1:00
20M
20.00 mi14:41:103:24:2610:1316:37
12:14
+1:07
21M
21.00 mi14:54:423:37:5810:2313:32
13:32
+1:18
35K
21.75 mi15:03:563:47:1210:279:14
12:21
-1:11
23M
23.00 mi15:20:134:03:2910:3516:17
13:00
+0:39
24M
24.00 mi15:32:344:15:5010:4012:21
12:21
-0:39
40K
24.85 mi15:43:234:26:3910:4410:49
12:39
+0:18
25.2M
25.20 mi15:48:104:31:2610:464:47
13:52
+1:13
Finish
26.22 mi16:00:024:43:1810:4911:52
11:39
-2:13

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:14 /mi

Average Pace

10:49 /mi

Slowest Pace

13:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:17

54% of race

Time at Steady Pace

1:24:36

30% of race

Time at Slower Pace

45:25

16% of race

Average Pace: 10:48 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:47:4831:0410:0031:04
10:00
#23437
10K
6.21 mi12:18:241:01:409:5530:36
9:51
#23446
15K
9.32 mi12:48:571:32:139:5430:33
9:50
#23348
20K
12.43 mi13:19:112:02:279:5130:14
9:44
#23075
Half
13.11 mi13:25:292:08:459:496:18
9:14
#22992
25K
15.53 mi13:50:012:33:179:5224:32
10:07
#22888
30K
18.64 mi14:24:333:07:4910:0534:32
11:07
#22975
20M
20.00 mi14:41:103:24:2610:1316:37
12:14
#23131
21M
21.00 mi14:54:423:37:5810:2313:32
13:32
#23254
35K
21.75 mi15:03:563:47:1210:279:14
12:21
#23341
23M
23.00 mi15:20:134:03:2910:3516:17
13:00
#23511
24M
24.00 mi15:32:344:15:5010:4012:21
12:21
#23593
40K
24.85 mi15:43:234:26:3910:4410:49
12:39
#23674
25.2M
25.20 mi15:48:104:31:2610:464:47
13:52
#23711
Finish
26.22 mi16:00:024:43:1810:4911:52
11:39
#23769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi234371379413794231331369413694
10K6.21 mi3.10 mi23446-913830-3613830-36233721380013800
15K9.32 mi3.11 mi23348+9813797+3313797+33231331369413694
20K12.43 mi3.11 mi23075+27313665+13213665+132222451329513295
Half13.11 mi0.68 mi22992+8313631+3413631+34212741286712867
25K15.53 mi2.42 mi22888+10413565+6613565+66224641334913349
30K18.64 mi3.11 mi22975-8713584-1913584-19232671364013640
20M20.00 mi1.36 mi23131-15613646-6213646-62244611412214122
21M21.00 mi1.00 mi23254-12313697-5113697-51246171418414184
35K21.75 mi0.75 mi23341-8713730-3313730-33250101432614326
23M23.00 mi1.25 mi23511-17013808-7813808-78250851438314383
24M24.00 mi1.00 mi23593-8213838-3013838-30248951424314243
40K24.85 mi0.85 mi23674-8113864-2613864-26246041410114101
25.2M25.20 mi0.35 mi23711-3713878-1413878-14248881422714227
Finish26.22 mi1.02 mi23769-5813895-1713895-17248621425114251

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23133

Males

13694

M18-39

13694

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23372

Males

13800

M18-39

13800

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23133

Males

13694

M18-39

13694

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

22245

Males

13295

M18-39

13295

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21274

Males

12867

M18-39

12867

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22464

Males

13349

M18-39

13349

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23267

Males

13640

M18-39

13640

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24461

Males

14122

M18-39

14122

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24617

Males

14184

M18-39

14184

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

25010

Males

14326

M18-39

14326

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

25085

Males

14383

M18-39

14383

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

24895

Males

14243

M18-39

14243

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24604

Males

14101

M18-39

14101

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24888

Males

14227

M18-39

14227

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24862

Males

14251

M18-39

14251

Passing Analysis

Category:
Athletes Passed
1101
Passed By
1433
Net Change
-332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23437
5K → 10K210219-9#23437#23446
10K → 15K18486+98#23446#23348
15K → 20K29522+273#23348#23075
20K → Half841+83#23075#22992
Half → 25K13834+104#22992#22888
25K → 30K88175-87#22888#22975
30K → 20M27183-156#22975#23131
20M → 21M11134-123#23131#23254
21M → 35K1198-87#23254#23341
35K → 23M17187-170#23341#23511
23M → 24M1193-82#23511#23593
24M → 40K889-81#23593#23674
40K → 25.2M542-37#23674#23711
25.2M → Finish1270-58#23711#23769
TOTALS11011433-332

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