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BOSTON MARATHON 2023

Eric Bradshaw

Bib: 6778•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #15705
Start → 5K
25:36 | 8:14/mi
10K· 6.21 mi
50:44
Rank: #15569 (+136)
5K → 10K
25:08 | 8:05/mi
15K· 9.32 mi
1:14:08
Rank: #13988 (+1581)
10K → 15K
23:24 | 7:32/mi
20K· 12.43 mi
1:38:38
Rank: #13589 (+399)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:43:49
Rank: #13470 (+119)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
2:02:15
Rank: #12777 (+693)
Half → 25K
18:26 | 7:36/mi
30K· 18.64 mi
2:26:25
Rank: #12069 (+708)
25K → 30K
24:10 | 7:47/mi
20M
2:36:26
Rank: #11546 (+523)
30K → 20M
10:01 | 7:22/mi
21M
2:44:08
Rank: #11122 (+424)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:49:28
Rank: #10910 (+212)
21M → 35K
5:20 | 7:08/mi
23M
2:58:54
Rank: #10622 (+288)
35K → 23M
9:26 | 7:32/mi
24M
3:06:17
Rank: #10437 (+185)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:12:49
Rank: #10296 (+141)
24M → 40K
6:32 | 7:38/mi
25.2M
3:15:35
Rank: #10211 (+85)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:22:47
Rank: #9988 (+223)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:49
Pace7:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:58
Pace7:33 /mi
📊Negative Split: 4.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5025:368:1425:36
8:14
-
10K
6.21 mi10:53:5850:448:1025:08
8:05
-0:09
15K
9.32 mi11:17:221:14:087:5723:24
7:32
-0:33
20K
12.43 mi11:41:521:38:387:5624:30
7:53
+0:21
Half
13.11 mi11:47:031:43:497:555:11
7:36
-0:17
25K
15.53 mi12:05:292:02:157:5218:26
7:36
0:00
30K
18.64 mi12:29:392:26:257:5124:10
7:47
+0:11
20M
20.00 mi12:39:402:36:267:4910:01
7:22
-0:25
21M
21.00 mi12:47:222:44:087:497:42
7:42
+0:20
35K
21.75 mi12:52:422:49:287:485:20
7:08
-0:34
23M
23.00 mi13:02:082:58:547:479:26
7:32
+0:24
24M
24.00 mi13:09:313:06:177:467:23
7:23
-0:09
40K
24.85 mi13:16:033:12:497:456:32
7:38
+0:15
25.2M
25.20 mi13:18:493:15:357:462:46
8:01
+0:23
Finish
26.22 mi13:26:013:22:477:447:12
7:04
-0:57

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

7:04 /mi

Average Pace

7:44 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:37

50% of race

Time at Steady Pace

1:42:10

50% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:28:5025:368:1425:36
8:14
#15705
10K
6.21 mi10:53:5850:448:1025:08
8:05
#15569
15K
9.32 mi11:17:221:14:087:5723:24
7:32
#13988
20K
12.43 mi11:41:521:38:387:5624:30
7:53
#13589
Half
13.11 mi11:47:031:43:497:555:11
7:36
#13470
25K
15.53 mi12:05:292:02:157:5218:26
7:36
#12777
30K
18.64 mi12:29:392:26:257:5124:10
7:47
#12069
20M
20.00 mi12:39:402:36:267:4910:01
7:22
#11546
21M
21.00 mi12:47:222:44:087:497:42
7:42
#11122
35K
21.75 mi12:52:422:49:287:485:20
7:08
#10910
23M
23.00 mi13:02:082:58:547:479:26
7:32
#10622
24M
24.00 mi13:09:313:06:177:467:23
7:23
#10437
40K
24.85 mi13:16:033:12:497:456:32
7:38
#10296
25.2M
25.20 mi13:18:493:15:357:462:46
8:01
#10211
Finish
26.22 mi13:26:013:22:477:447:12
7:04
#9988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi15705105841058410422(Top 39%)8369(Top 55%)8369(Top 372%)
10K6.21 mi3.10 mi15569+13610538+4610538+4615424(Top 58%)10481(Top 69%)10481(Top 465%)
15K9.32 mi3.11 mi13988+15819918+6209918+62010422(Top 39%)8369(Top 55%)8369(Top 372%)
20K12.43 mi3.11 mi13589+3999733+1859733+18512477(Top 47%)9211(Top 61%)9211(Top 409%)
Half13.11 mi0.68 mi13470+1199687+469687+4610930(Top 41%)8569(Top 56%)8569(Top 381%)
25K15.53 mi2.42 mi12777+6939376+3119376+3119556(Top 36%)7742(Top 51%)7742(Top 344%)
30K18.64 mi3.11 mi12069+7089039+3379039+3379199(Top 35%)7392(Top 49%)7392(Top 328%)
20M20.00 mi1.36 mi11546+5238789+2508789+2506050(Top 23%)5335(Top 35%)5335(Top 237%)
21M21.00 mi1.00 mi11122+4248584+2058584+2055635(Top 21%)4936(Top 33%)4936(Top 219%)
35K21.75 mi0.75 mi10910+2128463+1218463+1216113(Top 23%)5321(Top 35%)5321(Top 236%)
23M23.00 mi1.25 mi10622+2888291+1728291+1726633(Top 25%)5600(Top 37%)5600(Top 249%)
24M24.00 mi1.00 mi10437+1858171+1208171+1206943(Top 26%)5696(Top 38%)5696(Top 253%)
40K24.85 mi0.85 mi10296+1418081+908081+907568(Top 28%)5980(Top 39%)5980(Top 266%)
25.2M25.20 mi0.35 mi10211+858032+498032+496655(Top 25%)5381(Top 35%)5381(Top 239%)
Finish26.22 mi1.02 mi9988+2237886+1467886+1465627(Top 21%)4681(Top 31%)4681(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10422

Males

8369

M45-49

8369

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15424

Males

10481

M45-49

10481

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10422

Males

8369

M45-49

8369

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12477

Males

9211

M45-49

9211

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10930

Males

8569

M45-49

8569

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9556

Males

7742

M45-49

7742

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9199

Males

7392

M45-49

7392

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6050

Males

5335

M45-49

5335

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5635

Males

4936

M45-49

4936

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6113

Males

5321

M45-49

5321

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6633

Males

5600

M45-49

5600

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6943

Males

5696

M45-49

5696

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7568

Males

5980

M45-49

5980

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6655

Males

5381

M45-49

5381

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5627

Males

4681

M45-49

4681

Passing Analysis

Category:
Athletes Passed
6011*
Passed By
294
Net Change
+5717
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15705
5K → 10K365229+136#15705#15569
10K → 15K15821+1581#15569#13988
15K → 20K42324+399#13988#13589
20K → Half1212+119#13589#13470
Half → 25K6941+693#13470#12777
25K → 30K7113+708#12777#12069
30K → 20M5230+523#12069#11546
20M → 21M4240+424#11546#11122
21M → 35K2120+212#11122#10910
35K → 23M2913+288#10910#10622
23M → 24M1949+185#10622#10437
24M → 40K15211+141#10437#10296
40K → 25.2M91*6+85#10296#10211
25.2M → Finish228*5+223#10211#9988
TOTALS6011*294+5717

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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