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BOSTON MARATHON 2023

Crispin Flowerday

Bib: 1776•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #1681
Start → 5K
19:47 | 6:22/mi
10K· 6.21 mi
40:05
Rank: #2235 (-554)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:00:02
Rank: #2207 (+28)
10K → 15K
19:57 | 6:25/mi
20K· 12.43 mi
1:20:19
Rank: #2255 (-48)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:24:42
Rank: #2256 (-1)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:34
Rank: #2273 (-17)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:01:13
Rank: #2245 (+28)
25K → 30K
20:39 | 6:39/mi
20M
2:10:16
Rank: #2208 (+37)
30K → 20M
9:03 | 6:40/mi
21M
2:17:14
Rank: #2179 (+29)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:21:57
Rank: #2148 (+31)
21M → 35K
4:43 | 6:18/mi
23M
2:30:12
Rank: #2081 (+67)
35K → 23M
8:15 | 6:35/mi
24M
2:36:41
Rank: #2058 (+23)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:42:13
Rank: #2006 (+52)
24M → 40K
5:32 | 6:28/mi
25.2M
2:44:37
Rank: #1994 (+12)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:51:11
Rank: #1966 (+28)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:42
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:26:29
Pace6:36 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2019:476:2219:47
6:22
-
10K
6.21 mi10:40:3840:056:2720:18
6:32
+0:10
15K
9.32 mi11:00:351:00:026:2619:57
6:25
-0:07
20K
12.43 mi11:20:521:20:196:2820:17
6:32
+0:07
Half
13.11 mi11:25:151:24:426:284:23
6:25
-0:07
25K
15.53 mi11:41:071:40:346:2815:52
6:33
+0:08
30K
18.64 mi12:01:462:01:136:3020:39
6:39
+0:06
20M
20.00 mi12:10:492:10:166:319:03
6:40
+0:01
21M
21.00 mi12:17:472:17:146:326:58
6:58
+0:18
35K
21.75 mi12:22:302:21:576:324:43
6:18
-0:40
23M
23.00 mi12:30:452:30:126:328:15
6:35
+0:17
24M
24.00 mi12:37:142:36:416:326:29
6:29
-0:06
40K
24.85 mi12:42:462:42:136:325:32
6:28
-0:01
25.2M
25.20 mi12:45:102:44:376:322:24
6:58
+0:30
Finish
26.22 mi12:51:442:51:116:326:34
6:27
-0:31

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

6:18 /mi

Average Pace

6:32 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:49

95% of race

Time at Steady Pace

9:22

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:20:2019:476:2219:47
6:22
#1681
10K
6.21 mi10:40:3840:056:2720:18
6:32
#2235
15K
9.32 mi11:00:351:00:026:2619:57
6:25
#2207
20K
12.43 mi11:20:521:20:196:2820:17
6:32
#2255
Half
13.11 mi11:25:151:24:426:284:23
6:25
#2256
25K
15.53 mi11:41:071:40:346:2815:52
6:33
#2273
30K
18.64 mi12:01:462:01:136:3020:39
6:39
#2245
20M
20.00 mi12:10:492:10:166:319:03
6:40
#2208
21M
21.00 mi12:17:472:17:146:326:58
6:58
#2179
35K
21.75 mi12:22:302:21:576:324:43
6:18
#2148
23M
23.00 mi12:30:452:30:126:328:15
6:35
#2081
24M
24.00 mi12:37:142:36:416:326:29
6:29
#2058
40K
24.85 mi12:42:462:42:136:325:32
6:28
#2006
25.2M
25.20 mi12:45:102:44:376:322:24
6:58
#1994
Finish
26.22 mi12:51:442:51:116:326:34
6:27
#1966
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1681160216022207(Top 8%)2116(Top 14%)2116(Top 94%)
10K6.21 mi3.10 mi2235-5542137-5352137-5352979(Top 11%)2843(Top 19%)2843(Top 127%)
15K9.32 mi3.11 mi2207+282116+212116+212207(Top 8%)2116(Top 14%)2116(Top 94%)
20K12.43 mi3.11 mi2255-482159-432159-432440(Top 9%)2336(Top 15%)2336(Top 104%)
Half13.11 mi0.68 mi2256-12162-32162-32320(Top 9%)2225(Top 15%)2225(Top 99%)
25K15.53 mi2.42 mi2273-172179-172179-172385(Top 9%)2284(Top 15%)2284(Top 102%)
30K18.64 mi3.11 mi2245+282153+262153+262162(Top 8%)2063(Top 14%)2063(Top 92%)
20M20.00 mi1.36 mi2208+372118+352118+352105(Top 8%)2006(Top 13%)2006(Top 90%)
21M21.00 mi1.00 mi2179+292088+302088+301985(Top 7%)1880(Top 12%)1880(Top 84%)
35K21.75 mi0.75 mi2148+312058+302058+301601(Top 6%)1521(Top 10%)1521(Top 68%)
23M23.00 mi1.25 mi2081+671995+631995+631731(Top 7%)1641(Top 11%)1641(Top 73%)
24M24.00 mi1.00 mi2058+231974+211974+212015(Top 8%)1890(Top 12%)1890(Top 84%)
40K24.85 mi0.85 mi2006+521922+521922+521447(Top 5%)1366(Top 9%)1366(Top 61%)
25.2M25.20 mi0.35 mi1994+121910+121910+121618(Top 6%)1524(Top 10%)1524(Top 68%)
Finish26.22 mi1.02 mi1966+281882+281882+282199(Top 8%)2039(Top 13%)2039(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2207

Males

2116

M40-44

2116

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2979

Males

2843

M40-44

2843

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2207

Males

2116

M40-44

2116

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2440

Males

2336

M40-44

2336

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2320

Males

2225

M40-44

2225

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2385

Males

2284

M40-44

2284

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2162

Males

2063

M40-44

2063

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2105

Males

2006

M40-44

2006

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1985

Males

1880

M40-44

1880

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1601

Males

1521

M40-44

1521

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1731

Males

1641

M40-44

1641

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2015

Males

1890

M40-44

1890

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1447

Males

1366

M40-44

1366

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1618

Males

1524

M40-44

1524

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2199

Males

2039

M40-44

2039

Passing Analysis

Category:
Athletes Passed
633
Passed By
918
Net Change
-285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1681
5K → 10K3557-554#1681#2235
10K → 15K8658+28#2235#2207
15K → 20K4694-48#2207#2255
20K → Half1112-1#2255#2256
Half → 25K3653-17#2256#2273
25K → 30K7850+28#2273#2245
30K → 20M5518+37#2245#2208
20M → 21M4718+29#2208#2179
21M → 35K343+31#2179#2148
35K → 23M7811+67#2148#2081
23M → 24M3916+23#2081#2058
24M → 40K586+52#2058#2006
40K → 25.2M186+12#2006#1994
25.2M → Finish4416+28#1994#1966
TOTALS633918-285
📊

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