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BOSTON MARATHON 2023

Christopher Anstey

Bib: 2363•M

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:26
Rank: #2717
Start → 5K
20:26 | 6:35/mi
10K· 6.21 mi
41:06
Rank: #3269 (-552)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:01:33
Rank: #3224 (+45)
10K → 15K
20:27 | 6:35/mi
20K· 12.43 mi
1:22:23
Rank: #3291 (-67)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:26:50
Rank: #3259 (+32)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:42:57
Rank: #3188 (+71)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:04:33
Rank: #3297 (-109)
25K → 30K
21:36 | 6:57/mi
20M
2:14:06
Rank: #3321 (-24)
30K → 20M
9:33 | 7:02/mi
21M
2:21:36
Rank: #3384 (-63)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:26:42
Rank: #3408 (-24)
21M → 35K
5:06 | 6:49/mi
23M
2:35:26
Rank: #3400 (+8)
35K → 23M
8:44 | 6:59/mi
24M
2:42:17
Rank: #3416 (-16)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:48:14
Rank: #3410 (+6)
24M → 40K
5:57 | 6:58/mi
25.2M
2:50:47
Rank: #3411 (-1)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:57:43
Rank: #3396 (+15)
25.2M → Finish
6:56 | 6:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:50
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:30:53
Pace6:56 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1620:266:3520:26
6:35
-
10K
6.21 mi10:41:5641:066:3720:40
6:39
+0:04
15K
9.32 mi11:02:231:01:336:3620:27
6:35
-0:04
20K
12.43 mi11:23:131:22:236:3820:50
6:42
+0:07
Half
13.11 mi11:27:401:26:506:374:27
6:31
-0:11
25K
15.53 mi11:43:471:42:576:3816:07
6:39
+0:08
30K
18.64 mi12:05:232:04:336:4121:36
6:57
+0:18
20M
20.00 mi12:14:562:14:066:429:33
7:02
+0:05
21M
21.00 mi12:22:262:21:366:457:30
7:30
+0:28
35K
21.75 mi12:27:322:26:426:455:06
6:49
-0:41
23M
23.00 mi12:36:162:35:266:458:44
6:59
+0:10
24M
24.00 mi12:43:072:42:176:466:51
6:51
-0:08
40K
24.85 mi12:49:042:48:146:465:57
6:58
+0:07
25.2M
25.20 mi12:51:372:50:476:472:33
7:24
+0:26
Finish
26.22 mi12:58:332:57:436:476:56
6:48
-0:36

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

6:31 /mi

Average Pace

6:47 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:40

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:21:1620:266:3520:26
6:35
#2717
10K
6.21 mi10:41:5641:066:3720:40
6:39
#3269
15K
9.32 mi11:02:231:01:336:3620:27
6:35
#3224
20K
12.43 mi11:23:131:22:236:3820:50
6:42
#3291
Half
13.11 mi11:27:401:26:506:374:27
6:31
#3259
25K
15.53 mi11:43:471:42:576:3816:07
6:39
#3188
30K
18.64 mi12:05:232:04:336:4121:36
6:57
#3297
20M
20.00 mi12:14:562:14:066:429:33
7:02
#3321
21M
21.00 mi12:22:262:21:366:457:30
7:30
#3384
35K
21.75 mi12:27:322:26:426:455:06
6:49
#3408
23M
23.00 mi12:36:162:35:266:458:44
6:59
#3400
24M
24.00 mi12:43:072:42:176:466:51
6:51
#3416
40K
24.85 mi12:49:042:48:146:465:57
6:58
#3410
25.2M
25.20 mi12:51:372:50:476:472:33
7:24
#3411
Finish
26.22 mi12:58:332:57:436:476:56
6:48
#3396
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2717258825883157(Top 12%)3006(Top 20%)3006(Top 134%)
10K6.21 mi3.10 mi3269-5523099-5113099-5113896(Top 15%)3669(Top 24%)3669(Top 164%)
15K9.32 mi3.11 mi3224+453068+313068+313157(Top 12%)3006(Top 20%)3006(Top 134%)
20K12.43 mi3.11 mi3291-673129-613129-613624(Top 14%)3429(Top 23%)3429(Top 153%)
Half13.11 mi0.68 mi3259+323100+293100+292952(Top 11%)2827(Top 19%)2827(Top 126%)
25K15.53 mi2.42 mi3188+713036+643036+642999(Top 11%)2859(Top 19%)2859(Top 128%)
30K18.64 mi3.11 mi3297-1093131-953131-954015(Top 15%)3749(Top 25%)3749(Top 167%)
20M20.00 mi1.36 mi3321-243147-163147-164163(Top 16%)3842(Top 25%)3842(Top 171%)
21M21.00 mi1.00 mi3384-633205-583205-584544(Top 17%)4131(Top 27%)4131(Top 184%)
35K21.75 mi0.75 mi3408-243226-213226-214253(Top 16%)3888(Top 26%)3888(Top 173%)
23M23.00 mi1.25 mi3400+83220+63220+63650(Top 14%)3374(Top 22%)3374(Top 151%)
24M24.00 mi1.00 mi3416-163228-83228-83915(Top 15%)3574(Top 24%)3574(Top 159%)
40K24.85 mi0.85 mi3410+63222+63222+63607(Top 14%)3271(Top 22%)3271(Top 146%)
25.2M25.20 mi0.35 mi3411-1322232223367(Top 13%)3050(Top 20%)3050(Top 136%)
Finish26.22 mi1.02 mi3396+153202+203202+204072(Top 15%)3593(Top 24%)3593(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3157

Males

3006

M40-44

3006

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3896

Males

3669

M40-44

3669

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3157

Males

3006

M40-44

3006

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3624

Males

3429

M40-44

3429

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2952

Males

2827

M40-44

2827

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2999

Males

2859

M40-44

2859

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4015

Males

3749

M40-44

3749

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4163

Males

3842

M40-44

3842

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4544

Males

4131

M40-44

4131

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4253

Males

3888

M40-44

3888

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3650

Males

3374

M40-44

3374

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3915

Males

3574

M40-44

3574

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3607

Males

3271

M40-44

3271

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3367

Males

3050

M40-44

3050

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4072

Males

3593

M40-44

3593

Passing Analysis

Category:
Athletes Passed
728
Passed By
1407
Net Change
-679
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2717
5K → 10K24576-552#2717#3269
10K → 15K11671+45#3269#3224
15K → 20K65132-67#3224#3291
20K → Half408+32#3291#3259
Half → 25K9524+71#3259#3188
25K → 30K58167-109#3188#3297
30K → 20M6084-24#3297#3321
20M → 21M3194-63#3321#3384
21M → 35K2751-24#3384#3408
35K → 23M6052+8#3408#3400
23M → 24M3349-16#3400#3416
24M → 40K4337+6#3416#3410
40K → 25.2M1819-1#3410#3411
25.2M → Finish5843+15#3411#3396
TOTALS7281407-679
📊

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