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BOSTON MARATHON 2023

Bradley Roast

Bib: 6251•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:40/mi
20:44
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
41:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:02:09
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:23:20
↑ 106↓ 860.1%
Half· 13.11 mi
6:45/mi
1:27:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:53/mi
1:44:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:08/mi
2:06:48
↑ 181↓ 1480.2%
20M
7:02/mi
2:16:21
↑ 64↓ 500.2%
21M
7:19/mi
2:23:40
↑ 106↓ 241.6%
35K· 21.75 mi
6:30/mi
2:28:32
↑ 17↓ 861.7%
23M
6:39/mi
2:36:52
↑ 23↓ 630.6%
24M
6:35/mi
2:43:27
↓ 821.3%
40K· 24.85 mi
6:31/mi
2:49:01
↓ 200.3%
25.2M
7:09/mi
2:51:29
↑ 13↓ 160.2%
Finish· 26.22 mi
6:07/mi
2:57:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:29:47
Pace6:51 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0820:446:4020:44
6:40
-
10K
6.21 mi10:44:4041:166:3820:32
6:37
-0:03
15K
9.32 mi11:05:331:02:096:4020:53
6:43
+0:06
20K
12.43 mi11:26:441:23:206:4221:11
6:49
+0:06
Half
13.11 mi11:31:201:27:566:424:36
6:45
-0:04
25K
15.53 mi11:48:021:44:386:4416:42
6:53
+0:08
30K
18.64 mi12:10:122:06:486:4822:10
7:08
+0:15
20M
20.00 mi12:19:452:16:216:499:33
7:02
-0:06
21M
21.00 mi12:27:042:23:406:507:19
7:19
+0:17
35K
21.75 mi12:31:562:28:326:504:52
6:30
-0:49
23M
23.00 mi12:40:162:36:526:498:20
6:39
+0:09
24M
24.00 mi12:46:512:43:276:496:35
6:35
-0:04
40K
24.85 mi12:52:252:49:016:485:34
6:31
-0:04
25.2M
25.20 mi12:54:532:51:296:482:28
7:09
+0:38
Finish
26.22 mi13:01:072:57:436:476:14
6:07
-1:02

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

6:07 /mi

Average Pace

6:47 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:44

53% of race

Time at Steady Pace

1:16:40

43% of race

Time at Slower Pace

7:19

4% of race

Average Pace: 6:47 /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 mi10:24:0820:446:4020:44
6:40
#3416
10K
6.21 mi10:44:4041:166:3820:32
6:37
#3459
15K
9.32 mi11:05:331:02:096:4020:53
6:43
#3696
20K
12.43 mi11:26:441:23:206:4221:11
6:49
#3917
Half
13.11 mi11:31:201:27:566:424:36
6:45
#3954
25K
15.53 mi11:48:021:44:386:4416:42
6:53
#4102
30K
18.64 mi12:10:122:06:486:4822:10
7:08
#4327
20M
20.00 mi12:19:452:16:216:499:33
7:02
#4298
21M
21.00 mi12:27:042:23:406:507:19
7:19
#4230
35K
21.75 mi12:31:562:28:326:504:52
6:30
#4141
23M
23.00 mi12:40:162:36:526:498:20
6:39
#3926
24M
24.00 mi12:46:512:43:276:496:35
6:35
#3818
40K
24.85 mi12:52:252:49:016:485:34
6:31
#3649
25.2M
25.20 mi12:54:532:51:296:482:28
7:09
#3608
Finish
26.22 mi13:01:072:57:436:476:14
6:07
#3394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3416321932194326(Top 16%)4051(Top 27%)4051(Top 77%)
10K6.21 mi3.10 mi3459-433267-483267-483558(Top 13%)3364(Top 22%)3364(Top 64%)
15K9.32 mi3.11 mi3696-2373490-2233490-2234326(Top 16%)4051(Top 27%)4051(Top 77%)
20K12.43 mi3.11 mi3917-2213687-1973687-1974579(Top 17%)4264(Top 28%)4264(Top 81%)
Half13.11 mi0.68 mi3954-373719-323719-324655(Top 17%)4317(Top 28%)4317(Top 82%)
25K15.53 mi2.42 mi4102-1483850-1313850-1314847(Top 18%)4486(Top 30%)4486(Top 85%)
30K18.64 mi3.11 mi4327-2254054-2044054-2045100(Top 19%)4679(Top 31%)4679(Top 89%)
20M20.00 mi1.36 mi4298+294022+324022+324162(Top 16%)3841(Top 25%)3841(Top 73%)
21M21.00 mi1.00 mi4230+683960+623960+623674(Top 14%)3405(Top 22%)3405(Top 64%)
35K21.75 mi0.75 mi4141+893876+843876+842461(Top 9%)2333(Top 15%)2333(Top 44%)
23M23.00 mi1.25 mi3926+2153684+1923684+1922000(Top 8%)1895(Top 12%)1895(Top 36%)
24M24.00 mi1.00 mi3818+1083588+963588+962485(Top 9%)2321(Top 15%)2321(Top 44%)
40K24.85 mi0.85 mi3649+1693435+1533435+1531598(Top 6%)1508(Top 10%)1508(Top 29%)
25.2M25.20 mi0.35 mi3608+413397+383397+382338(Top 9%)2171(Top 14%)2171(Top 41%)
Finish26.22 mi1.02 mi3394+2143200+1973200+1971056(Top 4%)1005(Top 7%)1005(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4326

Males

4051

M18-39

4051

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3558

Males

3364

M18-39

3364

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4326

Males

4051

M18-39

4051

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4579

Males

4264

M18-39

4264

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4655

Males

4317

M18-39

4317

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4847

Males

4486

M18-39

4486

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5100

Males

4679

M18-39

4679

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4162

Males

3841

M18-39

3841

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3674

Males

3405

M18-39

3405

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2461

Males

2333

M18-39

2333

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2000

Males

1895

M18-39

1895

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2485

Males

2321

M18-39

2321

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1598

Males

1508

M18-39

1508

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2338

Males

2171

M18-39

2171

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1056

Males

1005

M18-39

1005

Passing Analysis

Category:
Athletes Passed
1382
Passed By
1360
Net Change
+22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3416
5K → 10K164207-43#3416#3459
10K → 15K39276-237#3459#3696
15K → 20K48269-221#3696#3917
20K → Half845-37#3917#3954
Half → 25K38186-148#3954#4102
25K → 30K61286-225#4102#4327
30K → 20M7344+29#4327#4298
20M → 21M10133+68#4298#4230
21M → 35K912+89#4230#4141
35K → 23M2183+215#4141#3926
23M → 24M1102+108#3926#3818
24M → 40K1701+169#3818#3649
40K → 25.2M465+41#3649#3608
25.2M → Finish2151+214#3608#3394
TOTALS13821360+22
📊

Passing Visuals

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