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BOSTON MARATHON 2023

Tony Roberts

Bib: 27251•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
9:45/mi
30:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
58:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:48/mi
1:25:22
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:52:33
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
1:58:43
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:20:55
↑ 66↓ 880.2%
30K· 18.64 mi
9:30/mi
2:50:25
↑ 181↓ 1480.2%
20M
9:54/mi
3:03:52
↑ 64↓ 500.2%
21M
10:33/mi
3:14:25
↑ 106↓ 241.6%
35K· 21.75 mi
10:12/mi
3:22:03
↑ 17↓ 861.7%
23M
10:03/mi
3:34:38
↑ 23↓ 630.6%
24M
10:16/mi
3:44:54
↓ 821.3%
40K· 24.85 mi
10:25/mi
3:53:48
↓ 200.3%
25.2M
10:44/mi
3:57:30
↑ 13↓ 160.2%
Finish· 26.22 mi
9:29/mi
4:07:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:43
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:08:27
Pace9:48 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2230:179:4530:17
9:45
-
10K
6.21 mi12:15:0758:029:2027:45
8:56
-0:49
15K
9.32 mi12:42:271:25:229:1027:20
8:48
-0:08
20K
12.43 mi13:09:381:52:339:0327:11
8:45
-0:03
Half
13.11 mi13:15:481:58:439:036:10
9:02
+0:17
25K
15.53 mi13:38:002:20:559:0422:12
9:09
+0:07
30K
18.64 mi14:07:302:50:259:0929:30
9:30
+0:21
20M
20.00 mi14:20:573:03:529:1213:27
9:54
+0:24
21M
21.00 mi14:31:303:14:259:1510:33
10:33
+0:39
35K
21.75 mi14:39:083:22:039:177:38
10:12
-0:21
23M
23.00 mi14:51:433:34:389:2012:35
10:03
-0:09
24M
24.00 mi15:01:593:44:549:2210:16
10:16
+0:13
40K
24.85 mi15:10:533:53:489:248:54
10:25
+0:09
25.2M
25.20 mi15:14:353:57:309:253:42
10:44
+0:19
Finish
26.22 mi15:24:154:07:109:269:40
9:29
-1:15

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

8:45 /mi

Average Pace

9:26 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:38

45% of race

Time at Steady Pace

1:35:29

39% of race

Time at Slower Pace

41:03

17% of race

Average Pace: 9:26 /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 mi11:47:2230:179:4530:17
9:45
#22781
10K
6.21 mi12:15:0758:029:2027:45
8:56
#21856
15K
9.32 mi12:42:271:25:229:1027:20
8:48
#21235
20K
12.43 mi13:09:381:52:339:0327:11
8:45
#20604
Half
13.11 mi13:15:481:58:439:036:10
9:02
#20599
25K
15.53 mi13:38:002:20:559:0422:12
9:09
#20440
30K
18.64 mi14:07:302:50:259:0929:30
9:30
#20240
20M
20.00 mi14:20:573:03:529:1213:27
9:54
#20225
21M
21.00 mi14:31:303:14:259:1510:33
10:33
#20181
35K
21.75 mi14:39:083:22:039:177:38
10:12
#20260
23M
23.00 mi14:51:433:34:389:2012:35
10:03
#20242
24M
24.00 mi15:01:593:44:549:2210:16
10:16
#20299
40K
24.85 mi15:10:533:53:489:248:54
10:25
#20325
25.2M
25.20 mi15:14:353:57:309:253:42
10:44
#20308
Finish
26.22 mi15:24:154:07:109:269:40
9:29
#20288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22781134881348819494(Top 73%)12085(Top 80%)12085(Top 537%)
10K6.21 mi3.10 mi21856+92513062+42613062+42620581(Top 77%)12535(Top 83%)12535(Top 557%)
15K9.32 mi3.11 mi21235+62112807+25512807+25519494(Top 73%)12085(Top 80%)12085(Top 537%)
20K12.43 mi3.11 mi20604+63112529+27812529+27818411(Top 69%)11651(Top 77%)11651(Top 517%)
Half13.11 mi0.68 mi20599+512531-212531-220571(Top 77%)12543(Top 83%)12543(Top 557%)
25K15.53 mi2.42 mi20440+15912469+6212469+6219639(Top 74%)12126(Top 80%)12126(Top 538%)
30K18.64 mi3.11 mi20240+20012355+11412355+11419419(Top 73%)11975(Top 79%)11975(Top 532%)
20M20.00 mi1.36 mi20225+1512334+2112334+2120166(Top 76%)12184(Top 80%)12184(Top 541%)
21M21.00 mi1.00 mi20181+4412306+2812306+2819737(Top 74%)11933(Top 79%)11933(Top 530%)
35K21.75 mi0.75 mi20260-7912331-2512331-2521774(Top 82%)12831(Top 85%)12831(Top 570%)
23M23.00 mi1.25 mi20242+1812318+1312318+1320125(Top 76%)12074(Top 80%)12074(Top 536%)
24M24.00 mi1.00 mi20299-5712332-1412332-1421467(Top 81%)12615(Top 83%)12615(Top 560%)
40K24.85 mi0.85 mi20325-26123321233220994(Top 79%)12372(Top 82%)12372(Top 549%)
25.2M25.20 mi0.35 mi20308+1712319+1312319+1319761(Top 74%)11813(Top 78%)11813(Top 525%)
Finish26.22 mi1.02 mi20288+2012303+1612303+1620058(Top 75%)12005(Top 79%)12005(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19494

Males

12085

M45-49

12085

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20581

Males

12535

M45-49

12535

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19494

Males

12085

M45-49

12085

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18411

Males

11651

M45-49

11651

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20571

Males

12543

M45-49

12543

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19639

Males

12126

M45-49

12126

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19419

Males

11975

M45-49

11975

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20166

Males

12184

M45-49

12184

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19737

Males

11933

M45-49

11933

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21774

Males

12831

M45-49

12831

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20125

Males

12074

M45-49

12074

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21467

Males

12615

M45-49

12615

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20994

Males

12372

M45-49

12372

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19761

Males

11813

M45-49

11813

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

20058

Males

12005

M45-49

12005

Passing Analysis

Category:
Athletes Passed
3110
Passed By
617
Net Change
+2493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22781
5K → 10K94823+925#22781#21856
10K → 15K6287+621#21856#21235
15K → 20K6354+631#21235#20604
20K → Half2823+5#20604#20599
Half → 25K19637+159#20599#20440
25K → 30K25757+200#20440#20240
30K → 20M8873+15#20240#20225
20M → 21M9854+44#20225#20181
21M → 35K1796-79#20181#20260
35K → 23M7961+18#20260#20242
23M → 24M2784-57#20242#20299
24M → 40K3359-26#20299#20325
40K → 25.2M2811+17#20325#20308
25.2M → Finish4828+20#20308#20288
TOTALS3110617+2493
📊

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