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BOSTON MARATHON 2023

Colleen Towery

Bib: 24199•F

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:01
Rank: #22551
Start → 5K
30:01 | 9:40/mi
10K· 6.21 mi
59:03
Rank: #22337 (+214)
5K → 10K
29:02 | 9:21/mi
15K· 9.32 mi
1:28:31
Rank: #22306 (+31)
10K → 15K
29:28 | 9:29/mi
20K· 12.43 mi
1:58:50
Rank: #22294 (+12)
15K → 20K
30:19 | 9:45/mi
Half· 13.11 mi
2:05:27
Rank: #22306 (-12)
20K → Half
6:37 | 9:42/mi
25K· 15.53 mi
2:30:44
Rank: #22486 (-180)
Half → 25K
25:17 | 10:26/mi
30K· 18.64 mi
3:04:05
Rank: #22506 (-20)
25K → 30K
33:21 | 10:44/mi
20M
3:18:11
Rank: #22421 (+85)
30K → 20M
14:06 | 10:23/mi
21M
3:30:22
Rank: #22473 (-52)
20M → 21M
12:11 | 12:11/mi
35K· 21.75 mi
3:38:18
Rank: #22468 (+5)
21M → 35K
7:56 | 10:36/mi
23M
3:52:21
Rank: #22491 (-23)
35K → 23M
14:03 | 11:13/mi
24M
4:02:26
Rank: #22432 (+59)
23M → 24M
10:05 | 10:05/mi
40K· 24.85 mi
4:11:49
Rank: #22431 (+1)
24M → 40K
9:23 | 10:58/mi
25.2M
4:15:56
Rank: #22415 (+16)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
4:26:57
Rank: #22468 (-53)
25.2M → Finish
11:01 | 10:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:27
Pace9:34 /mi
2nd Half
Distance13.11 mi
Time2:21:30
Pace10:48 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3530:019:4030:01
9:40
-
10K
6.21 mi12:14:3759:039:3029:02
9:21
-0:19
15K
9.32 mi12:44:051:28:319:3029:28
9:29
+0:08
20K
12.43 mi13:14:241:58:509:3430:19
9:45
+0:16
Half
13.11 mi13:21:012:05:279:346:37
9:42
-0:03
25K
15.53 mi13:46:182:30:449:4225:17
10:26
+0:44
30K
18.64 mi14:19:393:04:059:5333:21
10:44
+0:18
20M
20.00 mi14:33:453:18:119:5514:06
10:23
-0:21
21M
21.00 mi14:45:563:30:2210:0112:11
12:11
+1:48
35K
21.75 mi14:53:523:38:1810:027:56
10:36
-1:35
23M
23.00 mi15:07:553:52:2110:0614:03
11:13
+0:37
24M
24.00 mi15:18:004:02:2610:0610:05
10:05
-1:08
40K
24.85 mi15:27:234:11:4910:089:23
10:58
+0:53
25.2M
25.20 mi15:31:304:15:5610:094:07
11:56
+0:58
Finish
26.22 mi15:42:314:26:5710:1111:01
10:49
-1:07

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

9:21 /mi

Average Pace

10:11 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:27

47% of race

Time at Steady Pace

1:41:46

38% of race

Time at Slower Pace

39:44

15% of race

Average Pace: 10:11 /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 mi11:45:3530:019:4030:01
9:40
#22551
10K
6.21 mi12:14:3759:039:3029:02
9:21
#22337
15K
9.32 mi12:44:051:28:319:3029:28
9:29
#22306
20K
12.43 mi13:14:241:58:509:3430:19
9:45
#22294
Half
13.11 mi13:21:012:05:279:346:37
9:42
#22306
25K
15.53 mi13:46:182:30:449:4225:17
10:26
#22486
30K
18.64 mi14:19:393:04:059:5333:21
10:44
#22506
20M
20.00 mi14:33:453:18:119:5514:06
10:23
#22421
21M
21.00 mi14:45:563:30:2210:0112:11
12:11
#22473
35K
21.75 mi14:53:523:38:1810:027:56
10:36
#22468
23M
23.00 mi15:07:553:52:2110:0614:03
11:13
#22491
24M
24.00 mi15:18:004:02:2610:0610:05
10:05
#22432
40K
24.85 mi15:27:234:11:4910:089:23
10:58
#22431
25.2M
25.20 mi15:31:304:15:5610:094:07
11:56
#22415
Finish
26.22 mi15:42:314:26:5710:1111:01
10:49
#22468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi225519161916122221(Top 83%)8917(Top 78%)8917(Top 1692%)
10K6.21 mi3.10 mi22337+2149016+1459016+14522067(Top 83%)8850(Top 77%)8850(Top 1679%)
15K9.32 mi3.11 mi22306+318990+268990+2622221(Top 83%)8917(Top 78%)8917(Top 1692%)
20K12.43 mi3.11 mi22294+128980+108980+1022315(Top 84%)8974(Top 79%)8974(Top 1703%)
Half13.11 mi0.68 mi22306-128985-58985-522655(Top 85%)9165(Top 80%)9165(Top 1739%)
25K15.53 mi2.42 mi22486-1809097-1129097-11223056(Top 87%)9420(Top 82%)9420(Top 1787%)
30K18.64 mi3.11 mi22506-209128-319128-3122666(Top 85%)9281(Top 81%)9281(Top 1761%)
20M20.00 mi1.36 mi22421+859088+409088+4021478(Top 81%)8690(Top 76%)8690(Top 1649%)
21M21.00 mi1.00 mi22473-529129-419129-4123033(Top 87%)9569(Top 84%)9569(Top 1816%)
35K21.75 mi0.75 mi22468+59129912922591(Top 85%)9365(Top 82%)9365(Top 1777%)
23M23.00 mi1.25 mi22491-239147-189147-1822762(Top 86%)9469(Top 83%)9469(Top 1797%)
24M24.00 mi1.00 mi22432+599125+229125+2221046(Top 79%)8576(Top 75%)8576(Top 1627%)
40K24.85 mi0.85 mi22431+19133-89133-822306(Top 84%)9302(Top 81%)9302(Top 1765%)
25.2M25.20 mi0.35 mi22415+169129+49129+422403(Top 84%)9351(Top 82%)9351(Top 1774%)
Finish26.22 mi1.02 mi22468-539166-379166-3723633(Top 89%)9971(Top 87%)9971(Top 1892%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22221

Females

8917

F60-64

8917

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22067

Females

8850

F60-64

8850

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22221

Females

8917

F60-64

8917

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22315

Females

8974

F60-64

8974

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22655

Females

9165

F60-64

9165

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23056

Females

9420

F60-64

9420

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22666

Females

9281

F60-64

9281

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21478

Females

8690

F60-64

8690

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23033

Females

9569

F60-64

9569

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22591

Females

9365

F60-64

9365

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22762

Females

9469

F60-64

9469

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

21046

Females

8576

F60-64

8576

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22306

Females

9302

F60-64

9302

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22403

Females

9351

F60-64

9351

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23633

Females

9971

F60-64

9971

Passing Analysis

Category:
Athletes Passed
1221
Passed By
1138
Net Change
+83
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22551
5K → 10K364150+214#22551#22337
10K → 15K170139+31#22337#22306
15K → 20K141129+12#22306#22294
20K → Half1729-12#22294#22306
Half → 25K52232-180#22306#22486
25K → 30K108128-20#22486#22506
30K → 20M9914+85#22506#22421
20M → 21M3890-52#22421#22473
21M → 35K4035+5#22473#22468
35K → 23M4770-23#22468#22491
23M → 24M678+59#22491#22432
24M → 40K3130+1#22432#22431
40K → 25.2M259+16#22431#22415
25.2M → Finish2275-53#22415#22468
TOTALS12211138+83
📊

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