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BOSTON MARATHON 2023

Martin Ansdell

Bib: 21856•M

TX

0:00
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

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
8:56/mi
27:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
54:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:50/mi
1:22:19
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
1:51:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:57:02
↑ 19↓ 370.5%
25K· 15.53 mi
9:20/mi
2:19:39
↑ 66↓ 880.2%
30K· 18.64 mi
11:10/mi
2:54:20
↑ 181↓ 1480.2%
20M
11:44/mi
3:10:17
↑ 64↓ 500.2%
21M
12:21/mi
3:22:38
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
3:30:29
↑ 17↓ 861.7%
23M
12:18/mi
3:45:53
↑ 23↓ 630.6%
24M
11:01/mi
3:56:54
↓ 821.3%
40K· 24.85 mi
11:38/mi
4:06:51
↓ 200.3%
25.2M
12:37/mi
4:11:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:28/mi
4:21:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:02
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:24:50
Pace11:03 /mi
📊Positive Split: 23.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4827:448:5627:44
8:56
-
10K
6.21 mi12:09:5554:518:5027:07
8:44
-0:12
15K
9.32 mi12:37:231:22:198:5027:28
8:50
+0:06
20K
12.43 mi13:06:081:51:048:5628:45
9:15
+0:25
Half
13.11 mi13:12:061:57:028:565:58
8:45
-0:30
25K
15.53 mi13:34:432:19:398:5922:37
9:20
+0:35
30K
18.64 mi14:09:242:54:209:2134:41
11:10
+1:50
20M
20.00 mi14:25:213:10:179:3115:57
11:44
+0:34
21M
21.00 mi14:37:423:22:389:3912:21
12:21
+0:37
35K
21.75 mi14:45:333:30:299:417:51
10:30
-1:51
23M
23.00 mi15:00:573:45:539:4915:24
12:18
+1:48
24M
24.00 mi15:11:583:56:549:5211:01
11:01
-1:17
40K
24.85 mi15:21:554:06:519:569:57
11:38
+0:37
25.2M
25.20 mi15:26:164:11:129:584:21
12:37
+0:59
Finish
26.22 mi15:36:564:21:5210:0010:40
10:28
-2:09

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

8:44 /mi

Average Pace

10:00 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:39

53% of race

Time at Steady Pace

1:04:13

25% of race

Time at Slower Pace

58:00

22% of race

Average Pace: 9:59 /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 mi11:42:4827:448:5627:44
8:56
#20100
10K
6.21 mi12:09:5554:518:5027:07
8:44
#19820
15K
9.32 mi12:37:231:22:198:5027:28
8:50
#19771
20K
12.43 mi13:06:081:51:048:5628:45
9:15
#20049
Half
13.11 mi13:12:061:57:028:565:58
8:45
#20013
25K
15.53 mi13:34:432:19:398:5922:37
9:20
#20066
30K
18.64 mi14:09:242:54:209:2134:41
11:10
#21004
20M
20.00 mi14:25:213:10:179:3115:57
11:44
#21328
21M
21.00 mi14:37:423:22:389:3912:21
12:21
#21499
35K
21.75 mi14:45:333:30:299:417:51
10:30
#21530
23M
23.00 mi15:00:573:45:539:4915:24
12:18
#21812
24M
24.00 mi15:11:583:56:549:5211:01
11:01
#21875
40K
24.85 mi15:21:554:06:519:569:57
11:38
#21943
25.2M
25.20 mi15:26:164:11:129:584:21
12:37
#21971
Finish
26.22 mi15:36:564:21:5210:0010:40
10:28
#21999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20100122031220319733(Top 74%)12192(Top 80%)12192(Top 1098%)
10K6.21 mi3.10 mi19820+28012137+6612137+6619567(Top 73%)12121(Top 80%)12121(Top 1092%)
15K9.32 mi3.11 mi19771+4912149-1212149-1219733(Top 74%)12192(Top 80%)12192(Top 1098%)
20K12.43 mi3.11 mi20049-27812282-13312282-13320797(Top 78%)12667(Top 83%)12667(Top 1141%)
Half13.11 mi0.68 mi20013+3612261+2112261+2119188(Top 72%)11985(Top 79%)11985(Top 1080%)
25K15.53 mi2.42 mi20066-5312304-4312304-4320280(Top 76%)12408(Top 82%)12408(Top 1118%)
30K18.64 mi3.11 mi21004-93812699-39512699-39523357(Top 88%)13679(Top 90%)13679(Top 1232%)
20M20.00 mi1.36 mi21328-32412826-12712826-12723861(Top 90%)13839(Top 91%)13839(Top 1247%)
21M21.00 mi1.00 mi21499-17112898-7212898-7223257(Top 87%)13552(Top 89%)13552(Top 1221%)
35K21.75 mi0.75 mi21530-3112906-812906-822368(Top 84%)13089(Top 86%)13089(Top 1179%)
23M23.00 mi1.25 mi21812-28213020-11413020-11424357(Top 91%)14017(Top 92%)14017(Top 1263%)
24M24.00 mi1.00 mi21875-6313043-2313043-2323078(Top 87%)13382(Top 88%)13382(Top 1206%)
40K24.85 mi0.85 mi21943-6813060-1713060-1723414(Top 88%)13500(Top 89%)13500(Top 1216%)
25.2M25.20 mi0.35 mi21971-2813071-1113071-1123429(Top 88%)13509(Top 89%)13509(Top 1217%)
Finish26.22 mi1.02 mi21999-2813076-513076-522929(Top 86%)13289(Top 88%)13289(Top 1197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19733

Males

12192

M60-64

12192

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19567

Males

12121

M60-64

12121

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19733

Males

12192

M60-64

12192

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20797

Males

12667

M60-64

12667

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19188

Males

11985

M60-64

11985

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20280

Males

12408

M60-64

12408

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23357

Males

13679

M60-64

13679

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23861

Males

13839

M60-64

13839

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23257

Males

13552

M60-64

13552

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22368

Males

13089

M60-64

13089

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24357

Males

14017

M60-64

14017

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23078

Males

13382

M60-64

13382

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23414

Males

13500

M60-64

13500

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23429

Males

13509

M60-64

13509

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22929

Males

13289

M60-64

13289

Passing Analysis

Category:
Athletes Passed
1099
Passed By
2998
Net Change
-1899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20100
5K → 10K469189+280#20100#19820
10K → 15K200151+49#19820#19771
15K → 20K100378-278#19771#20049
20K → Half5014+36#20049#20013
Half → 25K115168-53#20013#20066
25K → 30K17955-938#20066#21004
30K → 20M18342-324#21004#21328
20M → 21M22193-171#21328#21499
21M → 35K2152-31#21499#21530
35K → 23M19301-282#21530#21812
23M → 24M1477-63#21812#21875
24M → 40K2290-68#21875#21943
40K → 25.2M634-28#21943#21971
25.2M → Finish2654-28#21971#21999
TOTALS10992998-1899
📊

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