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BOSTON MARATHON 2023

Kelly Collins

Bib: 20167•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F50-54)
#0 / 1207
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:02
Rank: #16755
Start → 5K
26:02 | 8:23/mi
10K· 6.21 mi
51:18
Rank: #16220 (+535)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:16:48
Rank: #16119 (+101)
10K → 15K
25:30 | 8:12/mi
20K· 12.43 mi
1:43:06
Rank: #16259 (-140)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:48:48
Rank: #16281 (-22)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:09:43
Rank: #16417 (-136)
Half → 25K
20:55 | 8:38/mi
30K· 18.64 mi
2:37:54
Rank: #16602 (-185)
25K → 30K
28:11 | 9:04/mi
20M
2:50:20
Rank: #16645 (-43)
30K → 20M
12:26 | 9:09/mi
21M
3:00:17
Rank: #16720 (-75)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:07:22
Rank: #16856 (-136)
21M → 35K
7:05 | 9:28/mi
23M
3:19:12
Rank: #16943 (-87)
35K → 23M
11:50 | 9:27/mi
24M
3:28:22
Rank: #16995 (-52)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:36:33
Rank: #17074 (-79)
24M → 40K
8:11 | 9:34/mi
25.2M
3:40:04
Rank: #17104 (-30)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:49:24
Rank: #17212 (-108)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:00:36
Pace9:12 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:4326:028:2326:02
8:23
-
10K
6.21 mi12:06:5951:188:1525:16
8:08
-0:15
15K
9.32 mi12:32:291:16:488:1425:30
8:12
+0:04
20K
12.43 mi12:58:471:43:068:1826:18
8:28
+0:16
Half
13.11 mi13:04:291:48:488:185:42
8:21
-0:07
25K
15.53 mi13:25:242:09:438:2120:55
8:38
+0:17
30K
18.64 mi13:53:352:37:548:2828:11
9:04
+0:26
20M
20.00 mi14:06:012:50:208:3112:26
9:09
+0:05
21M
21.00 mi14:15:583:00:178:359:57
9:57
+0:48
35K
21.75 mi14:23:033:07:228:377:05
9:28
-0:29
23M
23.00 mi14:34:533:19:128:4011:50
9:27
-0:01
24M
24.00 mi14:44:033:28:228:419:10
9:10
-0:17
40K
24.85 mi14:52:143:36:338:438:11
9:34
+0:24
25.2M
25.20 mi14:55:453:40:048:443:31
10:12
+0:38
Finish
26.22 mi15:05:053:49:248:459:20
9:10
-1:02

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

8:08 /mi

Average Pace

8:45 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:43

57% of race

Time at Steady Pace

1:10:57

31% of race

Time at Slower Pace

28:44

13% of race

Average Pace: 8:45 /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 mi11:41:4326:028:2326:02
8:23
#16755
10K
6.21 mi12:06:5951:188:1525:16
8:08
#16220
15K
9.32 mi12:32:291:16:488:1425:30
8:12
#16119
20K
12.43 mi12:58:471:43:068:1826:18
8:28
#16259
Half
13.11 mi13:04:291:48:488:185:42
8:21
#16281
25K
15.53 mi13:25:242:09:438:2120:55
8:38
#16417
30K
18.64 mi13:53:352:37:548:2828:11
9:04
#16602
20M
20.00 mi14:06:012:50:208:3112:26
9:09
#16645
21M
21.00 mi14:15:583:00:178:359:57
9:57
#16720
35K
21.75 mi14:23:033:07:228:377:05
9:28
#16856
23M
23.00 mi14:34:533:19:128:4011:50
9:27
#16943
24M
24.00 mi14:44:033:28:228:419:10
9:10
#16995
40K
24.85 mi14:52:143:36:338:438:11
9:34
#17074
25.2M
25.20 mi14:55:453:40:048:443:31
10:12
#17104
Finish
26.22 mi15:05:053:49:248:459:20
9:10
#17212
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi167555768576815932(Top 60%)5258(Top 46%)5258(Top 436%)
10K6.21 mi3.10 mi16220+5355407+3615407+36115780(Top 59%)5135(Top 45%)5135(Top 425%)
15K9.32 mi3.11 mi16119+1015362+455362+4515932(Top 60%)5258(Top 46%)5258(Top 436%)
20K12.43 mi3.11 mi16259-1405461-995461-9916648(Top 63%)5731(Top 50%)5731(Top 475%)
Half13.11 mi0.68 mi16281-225476-155476-1516937(Top 64%)5879(Top 51%)5879(Top 487%)
25K15.53 mi2.42 mi16417-1365590-1145590-11416988(Top 64%)6004(Top 53%)6004(Top 497%)
30K18.64 mi3.11 mi16602-1855749-1595749-15917561(Top 66%)6395(Top 56%)6395(Top 530%)
20M20.00 mi1.36 mi16645-435780-315780-3117336(Top 65%)6363(Top 56%)6363(Top 527%)
21M21.00 mi1.00 mi16720-755829-495829-4917891(Top 67%)6698(Top 59%)6698(Top 555%)
35K21.75 mi0.75 mi16856-1365908-795908-7919790(Top 74%)7818(Top 68%)7818(Top 648%)
23M23.00 mi1.25 mi16943-875988-805988-8018161(Top 68%)6961(Top 61%)6961(Top 577%)
24M24.00 mi1.00 mi16995-526042-546042-5417968(Top 67%)6892(Top 60%)6892(Top 571%)
40K24.85 mi0.85 mi17074-796104-626104-6218607(Top 70%)7287(Top 64%)7287(Top 604%)
25.2M25.20 mi0.35 mi17104-306124-206124-2018203(Top 68%)7080(Top 62%)7080(Top 587%)
Finish26.22 mi1.02 mi17212-1086193-696193-6918771(Top 71%)7327(Top 64%)7327(Top 607%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15932

Females

5258

F50-54

5258

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15780

Females

5135

F50-54

5135

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15932

Females

5258

F50-54

5258

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16648

Females

5731

F50-54

5731

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16937

Females

5879

F50-54

5879

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16988

Females

6004

F50-54

6004

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17561

Females

6395

F50-54

6395

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17336

Females

6363

F50-54

6363

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17891

Females

6698

F50-54

6698

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19790

Females

7818

F50-54

7818

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18161

Females

6961

F50-54

6961

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17968

Females

6892

F50-54

6892

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18607

Females

7287

F50-54

7287

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18203

Females

7080

F50-54

7080

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18771

Females

7327

F50-54

7327

Passing Analysis

Category:
Athletes Passed
1614
Passed By
2071
Net Change
-457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16755
5K → 10K653118+535#16755#16220
10K → 15K250149+101#16220#16119
15K → 20K125265-140#16119#16259
20K → Half3355-22#16259#16281
Half → 25K95231-136#16281#16417
25K → 30K129314-185#16417#16602
30K → 20M69112-43#16602#16645
20M → 21M60135-75#16645#16720
21M → 35K17153-136#16720#16856
35K → 23M58145-87#16856#16943
23M → 24M4698-52#16943#16995
24M → 40K32111-79#16995#17074
40K → 25.2M1848-30#17074#17104
25.2M → Finish29137-108#17104#17212
TOTALS16142071-457
📊

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