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BOSTON MARATHON 2023

Colleen Gallagher

Bib: 20663•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:15
Rank: #14933
Start → 5K
25:15 | 8:08/mi
10K· 6.21 mi
50:19
Rank: #15119 (-186)
5K → 10K
25:04 | 8:04/mi
15K· 9.32 mi
1:15:50
Rank: #15404 (-285)
10K → 15K
25:31 | 8:13/mi
20K· 12.43 mi
1:42:06
Rank: #15690 (-286)
15K → 20K
26:16 | 8:27/mi
Half· 13.11 mi
1:47:47
Rank: #15736 (-46)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:08:27
Rank: #15818 (-82)
Half → 25K
20:40 | 8:31/mi
30K· 18.64 mi
2:38:14
Rank: #16707 (-889)
25K → 30K
29:47 | 9:35/mi
20M
2:52:05
Rank: #17163 (-456)
30K → 20M
13:51 | 10:12/mi
21M
3:02:42
Rank: #17380 (-217)
20M → 21M
10:37 | 10:37/mi
35K· 21.75 mi
3:10:16
Rank: #17634 (-254)
21M → 35K
7:34 | 10:07/mi
23M
3:22:38
Rank: #17845 (-211)
35K → 23M
12:22 | 9:53/mi
24M
3:34:01
Rank: #18325 (-480)
23M → 24M
11:23 | 11:23/mi
40K· 24.85 mi
3:43:42
Rank: #18663 (-338)
24M → 40K
9:41 | 11:20/mi
25.2M
3:47:17
Rank: #18671 (-8)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:56:39
Rank: #18696 (-25)
25.2M → Finish
9:22 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:47
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:08:52
Pace9:50 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5625:158:0825:15
8:08
-
10K
6.21 mi11:43:0050:198:0625:04
8:04
-0:04
15K
9.32 mi12:08:311:15:508:0825:31
8:13
+0:09
20K
12.43 mi12:34:471:42:068:1326:16
8:27
+0:14
Half
13.11 mi12:40:281:47:478:135:41
8:20
-0:07
25K
15.53 mi13:01:082:08:278:1620:40
8:31
+0:11
30K
18.64 mi13:30:552:38:148:2929:47
9:35
+1:04
20M
20.00 mi13:44:462:52:058:3613:51
10:12
+0:37
21M
21.00 mi13:55:233:02:428:4210:37
10:37
+0:25
35K
21.75 mi14:02:573:10:168:457:34
10:07
-0:30
23M
23.00 mi14:15:193:22:388:4912:22
9:53
-0:14
24M
24.00 mi14:26:423:34:018:5511:23
11:23
+1:30
40K
24.85 mi14:36:233:43:429:009:41
11:20
-0:03
25.2M
25.20 mi14:39:583:47:179:013:35
10:23
-0:57
Finish
26.22 mi14:49:203:56:399:029:22
9:11
-1:12

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

8:04 /mi

Average Pace

9:02 /mi

Slowest Pace

11:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:27

54% of race

Time at Steady Pace

59:05

25% of race

Time at Slower Pace

49:07

21% of race

Average Pace: 9:02 /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 mi11:17:5625:158:0825:15
8:08
#14933
10K
6.21 mi11:43:0050:198:0625:04
8:04
#15119
15K
9.32 mi12:08:311:15:508:0825:31
8:13
#15404
20K
12.43 mi12:34:471:42:068:1326:16
8:27
#15690
Half
13.11 mi12:40:281:47:478:135:41
8:20
#15736
25K
15.53 mi13:01:082:08:278:1620:40
8:31
#15818
30K
18.64 mi13:30:552:38:148:2929:47
9:35
#16707
20M
20.00 mi13:44:462:52:058:3613:51
10:12
#17163
21M
21.00 mi13:55:233:02:428:4210:37
10:37
#17380
35K
21.75 mi14:02:573:10:168:457:34
10:07
#17634
23M
23.00 mi14:15:193:22:388:4912:22
9:53
#17845
24M
24.00 mi14:26:423:34:018:5511:23
11:23
#18325
40K
24.85 mi14:36:233:43:429:009:41
11:20
#18663
25.2M
25.20 mi14:39:583:47:179:013:35
10:23
#18671
Finish
26.22 mi14:49:203:56:399:029:22
9:11
#18696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi149334604460415971(Top 60%)5284(Top 46%)5284(Top 291%)
10K6.21 mi3.10 mi15119-1864724-1204724-12015312(Top 58%)4861(Top 43%)4861(Top 268%)
15K9.32 mi3.11 mi15404-2854920-1964920-19615971(Top 60%)5284(Top 46%)5284(Top 291%)
20K12.43 mi3.11 mi15690-2865111-1915111-19116587(Top 62%)5702(Top 50%)5702(Top 314%)
Half13.11 mi0.68 mi15736-465145-345145-3416755(Top 63%)5766(Top 50%)5766(Top 317%)
25K15.53 mi2.42 mi15818-825225-805225-8016373(Top 62%)5661(Top 50%)5661(Top 312%)
30K18.64 mi3.11 mi16707-8895803-5785803-57819746(Top 74%)7616(Top 67%)7616(Top 419%)
20M20.00 mi1.36 mi17163-4566079-2766079-27620986(Top 79%)8405(Top 74%)8405(Top 463%)
21M21.00 mi1.00 mi17380-2176222-1436222-14319931(Top 75%)7890(Top 69%)7890(Top 434%)
35K21.75 mi0.75 mi17634-2546387-1656387-16521590(Top 81%)8814(Top 77%)8814(Top 485%)
23M23.00 mi1.25 mi17845-2116526-1396526-13919641(Top 74%)7756(Top 68%)7756(Top 427%)
24M24.00 mi1.00 mi18325-4806816-2906816-29023716(Top 89%)10009(Top 88%)10009(Top 551%)
40K24.85 mi0.85 mi18663-3387017-2017017-20122931(Top 86%)9625(Top 84%)9625(Top 530%)
25.2M25.20 mi0.35 mi18671-87030-137030-1318781(Top 71%)7385(Top 65%)7385(Top 406%)
Finish26.22 mi1.02 mi18696-257047-177047-1718889(Top 71%)7382(Top 65%)7382(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15971

Females

5284

F45-49

5284

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15312

Females

4861

F45-49

4861

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15971

Females

5284

F45-49

5284

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16587

Females

5702

F45-49

5702

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16755

Females

5766

F45-49

5766

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16373

Females

5661

F45-49

5661

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19746

Females

7616

F45-49

7616

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20986

Females

8405

F45-49

8405

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19931

Females

7890

F45-49

7890

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21590

Females

8814

F45-49

8814

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19641

Females

7756

F45-49

7756

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23716

Females

10009

F45-49

10009

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22931

Females

9625

F45-49

9625

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18781

Females

7385

F45-49

7385

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18889

Females

7382

F45-49

7382

Passing Analysis

Category:
Athletes Passed
746
Passed By
4509
Net Change
-3763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14933
5K → 10K222408-186#14933#15119
10K → 15K85370-285#15119#15404
15K → 20K99385-286#15404#15690
20K → Half1561-46#15690#15736
Half → 25K109191-82#15736#15818
25K → 30K36925-889#15818#16707
30K → 20M15471-456#16707#17163
20M → 21M33250-217#17163#17380
21M → 35K15269-254#17380#17634
35K → 23M39250-211#17634#17845
23M → 24M4484-480#17845#18325
24M → 40K7345-338#18325#18663
40K → 25.2M2634-8#18663#18671
25.2M → Finish4166-25#18671#18696
TOTALS7464509-3763
📊

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