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BOSTON MARATHON 2023

Keith Stillwell

Bib: 22679•M

KY

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:02
Rank: #18891
Start → 5K
27:02 | 8:42/mi
10K· 6.21 mi
53:47
Rank: #18830 (+61)
5K → 10K
26:45 | 8:37/mi
15K· 9.32 mi
1:20:28
Rank: #18651 (+179)
10K → 15K
26:41 | 8:35/mi
20K· 12.43 mi
1:47:28
Rank: #18498 (+153)
15K → 20K
27:00 | 8:41/mi
Half· 13.11 mi
1:53:18
Rank: #18462 (+36)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:14:21
Rank: #18256 (+206)
Half → 25K
21:03 | 8:41/mi
30K· 18.64 mi
2:42:14
Rank: #17993 (+263)
25K → 30K
27:53 | 8:58/mi
20M
2:54:33
Rank: #17892 (+101)
30K → 20M
12:19 | 9:04/mi
21M
3:04:06
Rank: #17779 (+113)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
3:11:12
Rank: #17890 (-111)
21M → 35K
7:06 | 9:29/mi
23M
3:23:29
Rank: #18035 (-145)
35K → 23M
12:17 | 9:49/mi
24M
3:33:14
Rank: #18169 (-134)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:42:25
Rank: #18391 (-222)
24M → 40K
9:11 | 10:44/mi
25.2M
3:46:07
Rank: #18423 (-32)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:56:08
Rank: #18581 (-158)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:18
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:02:50
Pace9:22 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5927:028:4227:02
8:42
-
10K
6.21 mi11:47:4453:478:3926:45
8:37
-0:05
15K
9.32 mi12:14:251:20:288:3826:41
8:35
-0:02
20K
12.43 mi12:41:251:47:288:3927:00
8:41
+0:06
Half
13.11 mi12:47:151:53:188:395:50
8:33
-0:08
25K
15.53 mi13:08:182:14:218:3921:03
8:41
+0:08
30K
18.64 mi13:36:112:42:148:4227:53
8:58
+0:17
20M
20.00 mi13:48:302:54:338:4412:19
9:04
+0:06
21M
21.00 mi13:58:033:04:068:469:33
9:33
+0:29
35K
21.75 mi14:05:093:11:128:477:06
9:29
-0:04
23M
23.00 mi14:17:263:23:298:5112:17
9:49
+0:20
24M
24.00 mi14:27:113:33:148:539:45
9:45
-0:04
40K
24.85 mi14:36:223:42:258:579:11
10:44
+0:59
25.2M
25.20 mi14:40:043:46:078:583:42
10:44
0:00
Finish
26.22 mi14:50:053:56:089:0110:01
9:50
-0:54

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

8:33 /mi

Average Pace

9:01 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:21

57% of race

Time at Steady Pace

40:12

17% of race

Time at Slower Pace

1:01:35

26% of race

Average Pace: 9:00 /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 mi11:20:5927:028:4227:02
8:42
#18891
10K
6.21 mi11:47:4453:478:3926:45
8:37
#18830
15K
9.32 mi12:14:251:20:288:3826:41
8:35
#18651
20K
12.43 mi12:41:251:47:288:3927:00
8:41
#18498
Half
13.11 mi12:47:151:53:188:395:50
8:33
#18462
25K
15.53 mi13:08:182:14:218:3921:03
8:41
#18256
30K
18.64 mi13:36:112:42:148:4227:53
8:58
#17993
20M
20.00 mi13:48:302:54:338:4412:19
9:04
#17892
21M
21.00 mi13:58:033:04:068:469:33
9:33
#17779
35K
21.75 mi14:05:093:11:128:477:06
9:29
#17890
23M
23.00 mi14:17:263:23:298:5112:17
9:49
#18035
24M
24.00 mi14:27:113:33:148:539:45
9:45
#18169
40K
24.85 mi14:36:223:42:258:579:11
10:44
#18391
25.2M
25.20 mi14:40:043:46:078:583:42
10:44
#18423
Finish
26.22 mi14:50:053:56:089:0110:01
9:50
#18581
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18891117351173518356(Top 69%)11628(Top 77%)11628(Top 1048%)
10K6.21 mi3.10 mi18830+6111780-4511780-4518886(Top 71%)11849(Top 78%)11849(Top 1067%)
15K9.32 mi3.11 mi18651+17911717+6311717+6318356(Top 69%)11628(Top 77%)11628(Top 1048%)
20K12.43 mi3.11 mi18498+15311677+4011677+4018056(Top 68%)11496(Top 76%)11496(Top 1036%)
Half13.11 mi0.68 mi18462+3611659+1811659+1817969(Top 67%)11491(Top 76%)11491(Top 1035%)
25K15.53 mi2.42 mi18256+20611553+10611553+10617280(Top 65%)11105(Top 73%)11105(Top 1000%)
30K18.64 mi3.11 mi17993+26311414+13911414+13917031(Top 64%)10933(Top 72%)10933(Top 985%)
20M20.00 mi1.36 mi17892+10111351+6311351+6316862(Top 63%)10775(Top 71%)10775(Top 971%)
21M21.00 mi1.00 mi17779+11311301+5011301+5016202(Top 61%)10451(Top 69%)10451(Top 942%)
35K21.75 mi0.75 mi17890-11111336-3511336-3519799(Top 74%)11959(Top 79%)11959(Top 1077%)
23M23.00 mi1.25 mi18035-14511387-5111387-5119451(Top 73%)11771(Top 78%)11771(Top 1060%)
24M24.00 mi1.00 mi18169-13411422-3511422-3520045(Top 75%)12023(Top 79%)12023(Top 1083%)
40K24.85 mi0.85 mi18391-22211508-8611508-8621791(Top 82%)12727(Top 84%)12727(Top 1147%)
25.2M25.20 mi0.35 mi18423-3211519-1111519-1119744(Top 74%)11796(Top 78%)11796(Top 1063%)
Finish26.22 mi1.02 mi18581-15811577-5811577-5821237(Top 80%)12529(Top 83%)12529(Top 1129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18356

Males

11628

M60-64

11628

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18886

Males

11849

M60-64

11849

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18356

Males

11628

M60-64

11628

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18056

Males

11496

M60-64

11496

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17969

Males

11491

M60-64

11491

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17280

Males

11105

M60-64

11105

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17031

Males

10933

M60-64

10933

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16862

Males

10775

M60-64

10775

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16202

Males

10451

M60-64

10451

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19799

Males

11959

M60-64

11959

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19451

Males

11771

M60-64

11771

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20045

Males

12023

M60-64

12023

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21791

Males

12727

M60-64

12727

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19744

Males

11796

M60-64

11796

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21237

Males

12529

M60-64

12529

Passing Analysis

Category:
Athletes Passed
1950
Passed By
1640
Net Change
+310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18891
5K → 10K390329+61#18891#18830
10K → 15K289110+179#18830#18651
15K → 20K23582+153#18651#18498
20K → Half4812+36#18498#18462
Half → 25K24337+206#18462#18256
25K → 30K33168+263#18256#17993
30K → 20M13938+101#17993#17892
20M → 21M13926+113#17892#17779
21M → 35K27138-111#17779#17890
35K → 23M44189-145#17890#18035
23M → 24M24158-134#18035#18169
24M → 40K12234-222#18169#18391
40K → 25.2M1547-32#18391#18423
25.2M → Finish14172-158#18423#18581
TOTALS19501640+310
📊

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