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BOSTON MARATHON 2023

Robert Baxter

Bib: 21498•M

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0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:19
Rank: #19414
Start → 5K
8:48/mi
27:19 split
10K· 6.21 mi
53:41
Rank: #18741 (+673)
5K → 10K
8:29/mi
26:22 split
15K· 9.32 mi
1:20:35
Rank: #18726 (+15)
10K → 15K
8:39/mi
26:54 split
20K· 12.43 mi
1:48:14
Rank: #18843 (-117)
15K → 20K
8:54/mi
27:39 split
Half· 13.11 mi
1:54:20
Rank: #18919 (-76)
20K → Half
8:56/mi
6:06 split
25K· 15.53 mi
2:17:37
Rank: #19401 (-482)
Half → 25K
9:36/mi
23:17 split
30K· 18.64 mi
2:49:45
Rank: #20080 (-679)
25K → 30K
10:21/mi
32:08 split
20M
3:04:45
Rank: #20391 (-311)
30K → 20M
11:02/mi
15:00 split
21M
3:15:38
Rank: #20390 (+1)
20M → 21M
10:53/mi
10:53 split
35K· 21.75 mi
3:23:19
Rank: #20447 (-57)
21M → 35K
10:16/mi
7:41 split
23M
3:37:49
Rank: #20699 (-252)
35K → 23M
11:35/mi
14:30 split
24M
3:47:55
Rank: #20724 (-25)
23M → 24M
10:06/mi
10:06 split
40K· 24.85 mi
3:56:57
Rank: #20736 (-12)
24M → 40K
10:34/mi
9:02 split
25.2M
4:01:28
Rank: #20817 (-81)
40K → 25.2M
13:06/mi
4:31 split
Finish· 26.22 mi
4:12:05
Rank: #20886 (-69)
25.2M → Finish
10:25/mi
10:37 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:20
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:17:45
Pace10:30 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4427:198:4827:19
8:48
-
10K
6.21 mi11:49:0653:418:3826:22
8:29
-0:19
15K
9.32 mi12:16:001:20:358:3926:54
8:39
+0:10
20K
12.43 mi12:43:391:48:148:4327:39
8:54
+0:15
Half
13.11 mi12:49:451:54:208:436:06
8:56
+0:02
25K
15.53 mi13:13:022:17:378:5223:17
9:36
+0:40
30K
18.64 mi13:45:102:49:459:0632:08
10:21
+0:45
20M
20.00 mi14:00:103:04:459:1415:00
11:02
+0:41
21M
21.00 mi14:11:033:15:389:1910:53
10:53
-0:09
35K
21.75 mi14:18:443:23:199:217:41
10:16
-0:37
23M
23.00 mi14:33:143:37:499:2814:30
11:35
+1:19
24M
24.00 mi14:43:203:47:559:3010:06
10:06
-1:29
40K
24.85 mi14:52:223:56:579:329:02
10:34
+0:28
25.2M
25.20 mi14:56:534:01:289:354:31
13:06
+2:32
Finish
26.22 mi15:07:304:12:059:3710:37
10:25
-2:41

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

8:29 /mi

Average Pace

9:37 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:37

55% of race

Time at Steady Pace

1:09:34

28% of race

Time at Slower Pace

44:54

18% of race

Average Pace: 9:37 /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 mi11:22:4427:198:4827:19
8:48
#19414
10K
6.21 mi11:49:0653:418:3826:22
8:29
#18741
15K
9.32 mi12:16:001:20:358:3926:54
8:39
#18726
20K
12.43 mi12:43:391:48:148:4327:39
8:54
#18843
Half
13.11 mi12:49:451:54:208:436:06
8:56
#18919
25K
15.53 mi13:13:022:17:378:5223:17
9:36
#19401
30K
18.64 mi13:45:102:49:459:0632:08
10:21
#20080
20M
20.00 mi14:00:103:04:459:1415:00
11:02
#20391
21M
21.00 mi14:11:033:15:389:1910:53
10:53
#20390
35K
21.75 mi14:18:443:23:199:217:41
10:16
#20447
23M
23.00 mi14:33:143:37:499:2814:30
11:35
#20699
24M
24.00 mi14:43:203:47:559:3010:06
10:06
#20724
40K
24.85 mi14:52:223:56:579:329:02
10:34
#20736
25.2M
25.20 mi14:56:534:01:289:354:31
13:06
#20817
Finish
26.22 mi15:07:304:12:059:3710:37
10:25
#20886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19414119441194418765(Top 70%)11786(Top 78%)11786(Top 1062%)
10K6.21 mi3.10 mi18741+67311748+19611748+19618164(Top 68%)11574(Top 76%)11574(Top 1043%)
15K9.32 mi3.11 mi18726+1511749-111749-118765(Top 70%)11786(Top 78%)11786(Top 1062%)
20K12.43 mi3.11 mi18843-11711799-5011799-5019201(Top 72%)11972(Top 79%)11972(Top 1079%)
Half13.11 mi0.68 mi18919-7611826-2711826-2720162(Top 76%)12389(Top 82%)12389(Top 1116%)
25K15.53 mi2.42 mi19401-48212023-19712023-19721137(Top 79%)12773(Top 84%)12773(Top 1151%)
30K18.64 mi3.11 mi20080-67912288-26512288-26521867(Top 82%)13017(Top 86%)13017(Top 1173%)
20M20.00 mi1.36 mi20391-31112412-12412412-12422757(Top 85%)13344(Top 88%)13344(Top 1202%)
21M21.00 mi1.00 mi20390+112398+1412398+1420555(Top 77%)12317(Top 81%)12317(Top 1110%)
35K21.75 mi0.75 mi20447-5712414-1612414-1621913(Top 82%)12884(Top 85%)12884(Top 1161%)
23M23.00 mi1.25 mi20699-25212513-9912513-9923386(Top 88%)13565(Top 89%)13565(Top 1222%)
24M24.00 mi1.00 mi20724-25125131251321058(Top 79%)12456(Top 82%)12456(Top 1122%)
40K24.85 mi0.85 mi20736-1212510+312510+321356(Top 80%)12522(Top 83%)12522(Top 1128%)
25.2M25.20 mi0.35 mi20817-8112538-2812538-2824068(Top 90%)13822(Top 91%)13822(Top 1245%)
Finish26.22 mi1.02 mi20886-6912557-1912557-1922830(Top 86%)13244(Top 87%)13244(Top 1193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18765

Males

11786

M60-64

11786

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18164

Males

11574

M60-64

11574

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18765

Males

11786

M60-64

11786

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19201

Males

11972

M60-64

11972

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20162

Males

12389

M60-64

12389

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

21137

Males

12773

M60-64

12773

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21867

Males

13017

M60-64

13017

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22757

Males

13344

M60-64

13344

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20555

Males

12317

M60-64

12317

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21913

Males

12884

M60-64

12884

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23386

Males

13565

M60-64

13565

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21058

Males

12456

M60-64

12456

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21356

Males

12522

M60-64

12522

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24068

Males

13822

M60-64

13822

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22830

Males

13244

M60-64

13244

Passing Analysis

Category:
Athletes Passed
1434
Passed By
2906
Net Change
-1472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19414
5K → 10K805132+673#19414#18741
10K → 15K185170+15#18741#18726
15K → 20K127244-117#18726#18843
20K → Half581-76#18843#18919
Half → 25K39521-482#18919#19401
25K → 30K46725-679#19401#20080
30K → 20M20331-311#20080#20391
20M → 21M7069+1#20391#20390
21M → 35K2683-57#20390#20447
35K → 23M20272-252#20447#20699
23M → 24M3156-25#20699#20724
24M → 40K3648-12#20724#20736
40K → 25.2M283-81#20736#20817
25.2M → Finish2291-69#20817#20886
TOTALS14342906-1472
📊

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