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BOSTON MARATHON 2023

Adam Bradford

Bib: 25733•M

MI

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

Start
0:00:00
Race begins
5K· 3.11 mi
32:48
Rank: #24842
Start → 5K
32:48 | 10:33/mi
10K· 6.21 mi
1:03:58
Rank: #24251 (+591)
5K → 10K
31:10 | 10:02/mi
15K· 9.32 mi
1:34:26
Rank: #23869 (+382)
10K → 15K
30:28 | 9:48/mi
20K· 12.43 mi
2:05:36
Rank: #23656 (+213)
15K → 20K
31:10 | 10:02/mi
Half· 13.11 mi
2:12:22
Rank: #23624 (+32)
20K → Half
6:46 | 9:55/mi
25K· 15.53 mi
2:36:45
Rank: #23400 (+224)
Half → 25K
24:23 | 10:03/mi
30K· 18.64 mi
3:11:01
Rank: #23336 (+64)
25K → 30K
34:16 | 11:02/mi
20M
3:27:16
Rank: #23411 (-75)
30K → 20M
16:15 | 11:57/mi
21M
3:41:00
Rank: #23530 (-119)
20M → 21M
13:44 | 13:44/mi
35K· 21.75 mi
3:50:57
Rank: #23668 (-138)
21M → 35K
9:57 | 13:18/mi
23M
4:07:55
Rank: #23874 (-206)
35K → 23M
16:58 | 13:33/mi
24M
4:22:26
Rank: #24080 (-206)
23M → 24M
14:31 | 14:31/mi
40K· 24.85 mi
4:35:41
Rank: #24277 (-197)
24M → 40K
13:15 | 15:30/mi
25.2M
4:41:51
Rank: #24389 (-112)
40K → 25.2M
6:10 | 17:53/mi
Finish· 26.22 mi
4:55:52
Rank: #24560 (-171)
25.2M → Finish
14:01 | 13:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:22
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:43:30
Pace12:28 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4732:4810:3332:48
10:33
-
10K
6.21 mi12:23:571:03:5810:1831:10
10:02
-0:31
15K
9.32 mi12:54:251:34:2610:0830:28
9:48
-0:14
20K
12.43 mi13:25:352:05:3610:0631:10
10:02
+0:14
Half
13.11 mi13:32:212:12:2210:066:46
9:55
-0:07
25K
15.53 mi13:56:442:36:4510:0524:23
10:03
+0:08
30K
18.64 mi14:31:003:11:0110:1534:16
11:02
+0:59
20M
20.00 mi14:47:153:27:1610:2216:15
11:57
+0:55
21M
21.00 mi15:00:593:41:0010:3113:44
13:44
+1:47
35K
21.75 mi15:10:563:50:5710:379:57
13:18
-0:26
23M
23.00 mi15:27:544:07:5510:4716:58
13:33
+0:15
24M
24.00 mi15:42:254:22:2610:5614:31
14:31
+0:58
40K
24.85 mi15:55:404:35:4111:0613:15
15:30
+0:59
25.2M
25.20 mi16:01:504:41:5111:116:10
17:53
+2:23
Finish
26.22 mi16:15:514:55:5211:1814:01
13:45
-4:08

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

9:48 /mi

Average Pace

11:18 /mi

Slowest Pace

17:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:45

53% of race

Time at Steady Pace

50:31

17% of race

Time at Slower Pace

1:28:36

30% of race

Average Pace: 11:17 /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 mi11:52:4732:4810:3332:48
10:33
#24842
10K
6.21 mi12:23:571:03:5810:1831:10
10:02
#24251
15K
9.32 mi12:54:251:34:2610:0830:28
9:48
#23869
20K
12.43 mi13:25:352:05:3610:0631:10
10:02
#23656
Half
13.11 mi13:32:212:12:2210:066:46
9:55
#23624
25K
15.53 mi13:56:442:36:4510:0524:23
10:03
#23400
30K
18.64 mi14:31:003:11:0110:1534:16
11:02
#23336
20M
20.00 mi14:47:153:27:1610:2216:15
11:57
#23411
21M
21.00 mi15:00:593:41:0010:3113:44
13:44
#23530
35K
21.75 mi15:10:563:50:5710:379:57
13:18
#23668
23M
23.00 mi15:27:544:07:5510:4716:58
13:33
#23874
24M
24.00 mi15:42:254:22:2610:5614:31
14:31
#24080
40K
24.85 mi15:55:404:35:4111:0613:15
15:30
#24277
25.2M
25.20 mi16:01:504:41:5111:116:10
17:53
#24389
Finish
26.22 mi16:15:514:55:5211:1814:01
13:45
#24560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24842144681446823062(Top 87%)13663(Top 90%)13663(Top 259%)
10K6.21 mi3.10 mi24251+59114206+26214206+26223752(Top 89%)13971(Top 92%)13971(Top 264%)
15K9.32 mi3.11 mi23869+38214032+17414032+17423062(Top 87%)13663(Top 90%)13663(Top 259%)
20K12.43 mi3.11 mi23656+21313934+9813934+9822982(Top 86%)13618(Top 90%)13618(Top 258%)
Half13.11 mi0.68 mi23624+3213921+1313921+1323113(Top 87%)13681(Top 90%)13681(Top 259%)
25K15.53 mi2.42 mi23400+22413813+10813813+10822335(Top 84%)13296(Top 88%)13296(Top 252%)
30K18.64 mi3.11 mi23336+6413757+5613757+5623133(Top 87%)13576(Top 89%)13576(Top 257%)
20M20.00 mi1.36 mi23411-7513777-2013777-2024146(Top 91%)13971(Top 92%)13971(Top 264%)
21M21.00 mi1.00 mi23530-11913828-5113828-5124808(Top 93%)14278(Top 94%)14278(Top 270%)
35K21.75 mi0.75 mi23668-13813889-6113889-6125755(Top 97%)14711(Top 97%)14711(Top 278%)
23M23.00 mi1.25 mi23874-20613968-7913968-7925535(Top 96%)14597(Top 96%)14597(Top 276%)
24M24.00 mi1.00 mi24080-20614045-7714045-7726268(Top 99%)14961(Top 99%)14961(Top 283%)
40K24.85 mi0.85 mi24277-19714132-8714132-8726308(Top 99%)14978(Top 99%)14978(Top 283%)
25.2M25.20 mi0.35 mi24389-11214175-4314175-4326486(Top 99%)15089(Top 99%)15089(Top 286%)
Finish26.22 mi1.02 mi24560-17114243-6814243-6826289(Top 99%)14962(Top 99%)14962(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23062

Males

13663

M18-39

13663

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23752

Males

13971

M18-39

13971

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23062

Males

13663

M18-39

13663

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22982

Males

13618

M18-39

13618

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23113

Males

13681

M18-39

13681

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22335

Males

13296

M18-39

13296

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23133

Males

13576

M18-39

13576

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24146

Males

13971

M18-39

13971

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24808

Males

14278

M18-39

14278

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25755

Males

14711

M18-39

14711

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25535

Males

14597

M18-39

14597

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26268

Males

14961

M18-39

14961

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26308

Males

14978

M18-39

14978

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26486

Males

15089

M18-39

15089

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

26289

Males

14962

M18-39

14962

Passing Analysis

Category:
Athletes Passed
1733
Passed By
1451
Net Change
+282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24842
5K → 10K61827+591#24842#24251
10K → 15K40321+382#24251#23869
15K → 20K24027+213#23869#23656
20K → Half397+32#23656#23624
Half → 25K23612+224#23624#23400
25K → 30K14379+64#23400#23336
30K → 20M25100-75#23336#23411
20M → 21M9128-119#23411#23530
21M → 35K4142-138#23530#23668
35K → 23M7213-206#23668#23874
23M → 24M1207-206#23874#24080
24M → 40K6203-197#24080#24277
40K → 25.2M1113-112#24277#24389
25.2M → Finish1172-171#24389#24560
TOTALS17331451+282
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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