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BOSTON MARATHON 2023

Megan Colleran

Bib: 26605•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:47/mi
33:29
↑ 97↓ 3451.5%
10K· 6.21 mi
10:56/mi
1:07:26
↑ 79↓ 1380.4%
15K· 9.32 mi
10:24/mi
1:39:44
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:13:19
↑ 106↓ 860.1%
Half· 13.11 mi
10:19/mi
2:20:21
↑ 19↓ 370.5%
25K· 15.53 mi
12:41/mi
2:51:07
↑ 66↓ 880.2%
30K· 18.64 mi
11:44/mi
3:27:33
↑ 181↓ 1480.2%
20M
14:47/mi
3:47:38
↑ 64↓ 500.2%
21M
11:27/mi
3:59:05
↑ 106↓ 241.6%
35K· 21.75 mi
10:59/mi
4:07:18
↑ 17↓ 861.7%
23M
11:40/mi
4:21:55
↑ 23↓ 630.6%
24M
11:40/mi
4:33:35
↓ 821.3%
40K· 24.85 mi
11:16/mi
4:43:13
↓ 200.3%
25.2M
9:55/mi
4:46:38
↑ 13↓ 160.2%
Finish· 26.22 mi
9:55/mi
4:56:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:21
Pace10:42 /mi
2nd Half
Distance13.11 mi
Time2:36:24
Pace11:56 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1133:2910:4733:29
10:47
-
10K
6.21 mi12:24:081:07:2610:5133:57
10:56
+0:09
15K
9.32 mi12:56:261:39:4410:4232:18
10:24
-0:32
20K
12.43 mi13:30:012:13:1910:4433:35
10:49
+0:25
Half
13.11 mi13:37:032:20:2110:427:02
10:19
-0:30
25K
15.53 mi14:07:492:51:0711:0130:46
12:41
+2:22
30K
18.64 mi14:44:153:27:3311:0836:26
11:44
-0:57
20M
20.00 mi15:04:203:47:3811:2320:05
14:47
+3:03
21M
21.00 mi15:15:473:59:0511:2311:27
11:27
-3:20
35K
21.75 mi15:24:004:07:1811:228:13
10:59
-0:28
23M
23.00 mi15:38:374:21:5511:2314:37
11:40
+0:41
24M
24.00 mi15:50:174:33:3511:2411:40
11:40
0:00
40K
24.85 mi15:59:554:43:1311:249:38
11:16
-0:24
25.2M
25.20 mi16:03:204:46:3811:223:25
9:55
-1:21
Finish
26.22 mi16:13:274:56:4511:2010:07
9:55
0:00

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

9:55 /mi

Average Pace

11:20 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:34

7% of race

Time at Steady Pace

2:42:37

55% of race

Time at Slower Pace

1:53:34

38% of race

Average Pace: 11:19 /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 mi11:50:1133:2910:4733:29
10:47
#25334
10K
6.21 mi12:24:081:07:2610:5133:57
10:56
#25361
15K
9.32 mi12:56:261:39:4410:4232:18
10:24
#24984
20K
12.43 mi13:30:012:13:1910:4433:35
10:49
#24817
Half
13.11 mi13:37:032:20:2110:427:02
10:19
#24772
25K
15.53 mi14:07:492:51:0711:0130:46
12:41
#25036
30K
18.64 mi14:44:153:27:3311:0836:26
11:44
#24884
20M
20.00 mi15:04:203:47:3811:2320:05
14:47
#25076
21M
21.00 mi15:15:473:59:0511:2311:27
11:27
#24941
35K
21.75 mi15:24:004:07:1811:228:13
10:59
#24893
23M
23.00 mi15:38:374:21:5511:2314:37
11:40
#24833
24M
24.00 mi15:50:174:33:3511:2411:40
11:40
#24819
40K
24.85 mi15:59:554:43:1311:249:38
11:16
#24761
25.2M
25.20 mi16:03:204:46:3811:223:25
9:55
#24691
Finish
26.22 mi16:13:274:56:4511:2010:07
9:55
#24616
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25334106321063224280(Top 91%)10044(Top 88%)10044(Top 206%)
10K6.21 mi3.10 mi25361-2710638-610638-625386(Top 95%)10657(Top 93%)10657(Top 218%)
15K9.32 mi3.11 mi24984+37710427+21110427+21124280(Top 91%)10044(Top 88%)10044(Top 206%)
20K12.43 mi3.11 mi24817+16710349+7810349+7824344(Top 91%)10118(Top 89%)10118(Top 207%)
Half13.11 mi0.68 mi24772+4510332+1710332+1723883(Top 90%)9856(Top 86%)9856(Top 202%)
25K15.53 mi2.42 mi25036-26410481-14910481-14925685(Top 96%)10895(Top 95%)10895(Top 223%)
30K18.64 mi3.11 mi24884+15210424+5710424+5724170(Top 91%)10105(Top 88%)10105(Top 207%)
20M20.00 mi1.36 mi25076-19210538-11410538-11426219(Top 98%)11240(Top 98%)11240(Top 230%)
21M21.00 mi1.00 mi24941+13510477+6110477+6121809(Top 82%)8895(Top 78%)8895(Top 182%)
35K21.75 mi0.75 mi24893+4810451+2610451+2623303(Top 88%)9766(Top 85%)9766(Top 200%)
23M23.00 mi1.25 mi24833+6010423+2810423+2823541(Top 88%)9873(Top 86%)9873(Top 202%)
24M24.00 mi1.00 mi24819+1410425-210425-224103(Top 91%)10213(Top 89%)10213(Top 209%)
40K24.85 mi0.85 mi24761+5810395+3010395+3022859(Top 86%)9594(Top 84%)9594(Top 196%)
25.2M25.20 mi0.35 mi24691+7010360+3510360+3517119(Top 64%)6510(Top 57%)6510(Top 133%)
Finish26.22 mi1.02 mi24616+7510322+3810322+3821543(Top 81%)8878(Top 78%)8878(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24280

Females

10044

F18-39

10044

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25386

Females

10657

F18-39

10657

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24280

Females

10044

F18-39

10044

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24344

Females

10118

F18-39

10118

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23883

Females

9856

F18-39

9856

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25685

Females

10895

F18-39

10895

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24170

Females

10105

F18-39

10105

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26219

Females

11240

F18-39

11240

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21809

Females

8895

F18-39

8895

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23303

Females

9766

F18-39

9766

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23541

Females

9873

F18-39

9873

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24103

Females

10213

F18-39

10213

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22859

Females

9594

F18-39

9594

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17119

Females

6510

F18-39

6510

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21543

Females

8878

F18-39

8878

Passing Analysis

Category:
Athletes Passed
1472
Passed By
754
Net Change
+718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25334
5K → 10K143170-27#25334#25361
10K → 15K3825+377#25361#24984
15K → 20K20134+167#24984#24817
20K → Half494+45#24817#24772
Half → 25K16280-264#24772#25036
25K → 30K17523+152#25036#24884
30K → 20M8200-192#24884#25076
20M → 21M1383+135#25076#24941
21M → 35K513+48#24941#24893
35K → 23M688+60#24893#24833
23M → 24M3016+14#24833#24819
24M → 40K602+58#24819#24761
40K → 25.2M700+70#24761#24691
25.2M → Finish816+75#24691#24616
TOTALS1472754+718
📊

Passing Visuals

Category:
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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