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BOSTON MARATHON 2023

Robert Reed

Bib: 10201•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M40-44)
#0 / 2241
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
45:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:08:48
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:36:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:54:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:18:43
↑ 181↓ 1480.2%
20M
7:35/mi
2:29:01
↑ 64↓ 500.2%
21M
7:56/mi
2:36:57
↑ 106↓ 241.6%
35K· 21.75 mi
6:53/mi
2:42:06
↑ 17↓ 861.7%
23M
7:12/mi
2:51:07
↑ 23↓ 630.6%
24M
6:54/mi
2:58:01
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:04:24
↓ 200.3%
25.2M
8:10/mi
3:07:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:15:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:41
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:38:19
Pace7:30 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1522:577:2322:57
7:23
-
10K
6.21 mi11:12:0845:507:2322:53
7:22
-0:01
15K
9.32 mi11:35:061:08:487:2322:58
7:24
+0:02
20K
12.43 mi11:57:581:31:407:2322:52
7:22
-0:02
Half
13.11 mi12:02:591:36:417:225:01
7:21
-0:01
25K
15.53 mi12:20:581:54:407:2317:59
7:25
+0:04
30K
18.64 mi12:45:012:18:437:2624:03
7:44
+0:19
20M
20.00 mi12:55:192:29:017:2710:18
7:35
-0:09
21M
21.00 mi13:03:152:36:577:287:56
7:56
+0:21
35K
21.75 mi13:08:242:42:067:275:09
6:53
-1:03
23M
23.00 mi13:17:252:51:077:269:01
7:12
+0:19
24M
24.00 mi13:24:192:58:017:256:54
6:54
-0:18
40K
24.85 mi13:30:423:04:247:256:23
7:28
+0:34
25.2M
25.20 mi13:33:313:07:137:262:49
8:10
+0:42
Finish
26.22 mi13:41:183:15:007:277:47
7:38
-0:32

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

6:53 /mi

Average Pace

7:27 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:07

73% of race

Time at Steady Pace

50:04

26% of race

Time at Slower Pace

2:49

1% of race

Average Pace: 7:26 /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 mi10:49:1522:577:2322:57
7:23
#8712
10K
6.21 mi11:12:0845:507:2322:53
7:22
#9004
15K
9.32 mi11:35:061:08:487:2322:58
7:24
#9052
20K
12.43 mi11:57:581:31:407:2322:52
7:22
#8814
Half
13.11 mi12:02:591:36:417:225:01
7:21
#8814
25K
15.53 mi12:20:581:54:407:2317:59
7:25
#8686
30K
18.64 mi12:45:012:18:437:2624:03
7:44
#8685
20M
20.00 mi12:55:192:29:017:2710:18
7:35
#8555
21M
21.00 mi13:03:152:36:577:287:56
7:56
#8449
35K
21.75 mi13:08:242:42:067:275:09
6:53
#8272
23M
23.00 mi13:17:252:51:077:269:01
7:12
#7997
24M
24.00 mi13:24:192:58:017:256:54
6:54
#7762
40K
24.85 mi13:30:423:04:247:256:23
7:28
#7695
25.2M
25.20 mi13:33:313:07:137:262:49
8:10
#7683
Finish
26.22 mi13:41:183:15:007:277:47
7:38
#7725
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8712742174219248(Top 35%)7696(Top 51%)7696(Top 343%)
10K6.21 mi3.10 mi9004-2927576-1557576-1559340(Top 35%)7764(Top 51%)7764(Top 346%)
15K9.32 mi3.11 mi9052-487592-167592-169248(Top 35%)7696(Top 51%)7696(Top 343%)
20K12.43 mi3.11 mi8814+2387443+1497443+1498206(Top 31%)7019(Top 46%)7019(Top 313%)
Half13.11 mi0.68 mi88147438+57438+58942(Top 34%)7458(Top 49%)7458(Top 333%)
25K15.53 mi2.42 mi8686+1287348+907348+908147(Top 31%)6898(Top 45%)6898(Top 308%)
30K18.64 mi3.11 mi8685+17308+407308+408923(Top 34%)7233(Top 48%)7233(Top 323%)
20M20.00 mi1.36 mi8555+1307208+1007208+1007345(Top 28%)6183(Top 41%)6183(Top 276%)
21M21.00 mi1.00 mi8449+1067117+917117+916927(Top 26%)5823(Top 38%)5823(Top 260%)
35K21.75 mi0.75 mi8272+1776998+1196998+1194710(Top 18%)4275(Top 28%)4275(Top 191%)
23M23.00 mi1.25 mi7997+2756799+1996799+1994805(Top 18%)4321(Top 28%)4321(Top 193%)
24M24.00 mi1.00 mi7762+2356631+1686631+1684194(Top 16%)3820(Top 25%)3820(Top 170%)
40K24.85 mi0.85 mi7695+676577+546577+546491(Top 24%)5337(Top 35%)5337(Top 238%)
25.2M25.20 mi0.35 mi7683+126560+176560+177454(Top 28%)5854(Top 39%)5854(Top 261%)
Finish26.22 mi1.02 mi7725-426563-36563-39511(Top 36%)7017(Top 46%)7017(Top 313%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9248

Males

7696

M40-44

7696

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9340

Males

7764

M40-44

7764

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9248

Males

7696

M40-44

7696

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8206

Males

7019

M40-44

7019

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8942

Males

7458

M40-44

7458

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8147

Males

6898

M40-44

6898

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8923

Males

7233

M40-44

7233

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7345

Males

6183

M40-44

6183

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6927

Males

5823

M40-44

5823

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4710

Males

4275

M40-44

4275

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4805

Males

4321

M40-44

4321

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4194

Males

3820

M40-44

3820

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6491

Males

5337

M40-44

5337

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7454

Males

5854

M40-44

5854

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9511

Males

7017

M40-44

7017

Passing Analysis

Category:
Athletes Passed
2059
Passed By
1072
Net Change
+987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8712
5K → 10K153445-292#8712#9004
10K → 15K129177-48#9004#9052
15K → 20K26931+238#9052#8814
20K → Half22220#8814#8814
Half → 25K17042+128#8814#8686
25K → 30K173172+1#8686#8685
30K → 20M14414+130#8685#8555
20M → 21M12923+106#8555#8449
21M → 35K1792+177#8449#8272
35K → 23M2772+275#8272#7997
23M → 24M2372+235#7997#7762
24M → 40K9427+67#7762#7695
40K → 25.2M3523+12#7695#7683
25.2M → Finish4890-42#7683#7725
TOTALS20591072+987
📊

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