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BOSTON MARATHON 2023

Andrea Mccollem

Bib: 26032•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

Start
0:00:00
Race begins
5K· 3.11 mi
33:17
Rank: #25216
Start → 5K
10:43/mi
33:17 split
10K· 6.21 mi
1:06:18
Rank: #25038 (+178)
5K → 10K
10:38/mi
33:01 split
15K· 9.32 mi
1:38:44
Rank: #24789 (+249)
10K → 15K
10:26/mi
32:26 split
20K· 12.43 mi
2:11:56
Rank: #24628 (+161)
15K → 20K
10:41/mi
33:12 split
Half· 13.11 mi
2:19:03
Rank: #24601 (+27)
20K → Half
10:26/mi
7:07 split
25K· 15.53 mi
2:46:33
Rank: #24599 (+2)
Half → 25K
11:21/mi
27:30 split
30K· 18.64 mi
3:22:47
Rank: #24498 (+101)
25K → 30K
11:40/mi
36:14 split
20M
3:38:08
Rank: #24387 (+111)
30K → 20M
11:18/mi
15:21 split
21M
3:50:35
Rank: #24318 (+69)
20M → 21M
12:27/mi
12:27 split
35K· 21.75 mi
3:58:51
Rank: #24283 (+35)
21M → 35K
11:03/mi
8:16 split
23M
4:13:18
Rank: #24249 (+34)
35K → 23M
11:32/mi
14:27 split
24M
4:24:10
Rank: #24193 (+56)
23M → 24M
10:52/mi
10:52 split
40K· 24.85 mi
4:33:34
Rank: #24109 (+84)
24M → 40K
11:00/mi
9:24 split
25.2M
4:37:52
Rank: #24105 (+4)
40K → 25.2M
12:28/mi
4:18 split
Finish· 26.22 mi
4:48:18
Rank: #24063 (+42)
25.2M → Finish
10:14/mi
10:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:03
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time2:29:15
Pace11:23 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4333:1710:4333:17
10:43
-
10K
6.21 mi12:29:441:06:1810:4033:01
10:38
-0:05
15K
9.32 mi13:02:101:38:4410:3632:26
10:26
-0:12
20K
12.43 mi13:35:222:11:5610:3733:12
10:41
+0:15
Half
13.11 mi13:42:292:19:0310:367:07
10:26
-0:15
25K
15.53 mi14:09:592:46:3310:4327:30
11:21
+0:55
30K
18.64 mi14:46:133:22:4710:5336:14
11:40
+0:19
20M
20.00 mi15:01:343:38:0810:5415:21
11:18
-0:22
21M
21.00 mi15:14:013:50:3510:5912:27
12:27
+1:09
35K
21.75 mi15:22:173:58:5110:598:16
11:03
-1:24
23M
23.00 mi15:36:444:13:1811:0114:27
11:32
+0:29
24M
24.00 mi15:47:364:24:1011:0010:52
10:52
-0:40
40K
24.85 mi15:57:004:33:3411:009:24
11:00
+0:08
25.2M
25.20 mi16:01:184:37:5211:024:18
12:28
+1:28
Finish
26.22 mi16:11:444:48:1811:0010:26
10:14
-2:14

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

10:14 /mi

Average Pace

11:00 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:00

29% of race

Time at Steady Pace

1:50:22

38% of race

Time at Slower Pace

1:34:56

33% of race

Average Pace: 11:00 /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 mi11:56:4333:1710:4333:17
10:43
#25216
10K
6.21 mi12:29:441:06:1810:4033:01
10:38
#25038
15K
9.32 mi13:02:101:38:4410:3632:26
10:26
#24789
20K
12.43 mi13:35:222:11:5610:3733:12
10:41
#24628
Half
13.11 mi13:42:292:19:0310:367:07
10:26
#24601
25K
15.53 mi14:09:592:46:3310:4327:30
11:21
#24599
30K
18.64 mi14:46:133:22:4710:5336:14
11:40
#24498
20M
20.00 mi15:01:343:38:0810:5415:21
11:18
#24387
21M
21.00 mi15:14:013:50:3510:5912:27
12:27
#24318
35K
21.75 mi15:22:173:58:5110:598:16
11:03
#24283
23M
23.00 mi15:36:444:13:1811:0114:27
11:32
#24249
24M
24.00 mi15:47:364:24:1011:0010:52
10:52
#24193
40K
24.85 mi15:57:004:33:3411:009:24
11:00
#24109
25.2M
25.20 mi16:01:184:37:5211:024:18
12:28
#24105
Finish
26.22 mi16:11:444:48:1811:0010:26
10:14
#24063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25216105551055524352(Top 91%)10088(Top 88%)10088(Top 207%)
10K6.21 mi3.10 mi25038+17810456+9910456+9924915(Top 94%)10392(Top 91%)10392(Top 213%)
15K9.32 mi3.11 mi24789+24910331+12510331+12524352(Top 91%)10088(Top 88%)10088(Top 207%)
20K12.43 mi3.11 mi24628+16110251+8010251+8024156(Top 91%)10001(Top 88%)10001(Top 205%)
Half13.11 mi0.68 mi24601+2710235+1610235+1624097(Top 91%)9969(Top 87%)9969(Top 204%)
25K15.53 mi2.42 mi24599+210246-1110246-1124469(Top 92%)10210(Top 89%)10210(Top 209%)
30K18.64 mi3.11 mi24498+10110202+4410202+4424074(Top 90%)10053(Top 88%)10053(Top 206%)
20M20.00 mi1.36 mi24387+11110149+5310149+5323181(Top 87%)9615(Top 84%)9615(Top 197%)
21M21.00 mi1.00 mi24318+6910120+2910120+2923398(Top 88%)9759(Top 85%)9759(Top 200%)
35K21.75 mi0.75 mi24283+3510112+810112+823406(Top 88%)9824(Top 86%)9824(Top 201%)
23M23.00 mi1.25 mi24249+3410098+1410098+1423334(Top 88%)9768(Top 86%)9768(Top 200%)
24M24.00 mi1.00 mi24193+5610072+2610072+2622792(Top 86%)9522(Top 83%)9522(Top 195%)
40K24.85 mi0.85 mi24109+8410040+3210040+3222361(Top 84%)9330(Top 82%)9330(Top 191%)
25.2M25.20 mi0.35 mi24105+410043-310043-323261(Top 87%)9807(Top 86%)9807(Top 201%)
Finish26.22 mi1.02 mi24063+4210016+2710016+2722405(Top 84%)9335(Top 82%)9335(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24352

Females

10088

F18-39

10088

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24915

Females

10392

F18-39

10392

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24352

Females

10088

F18-39

10088

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24156

Females

10001

F18-39

10001

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24097

Females

9969

F18-39

9969

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24469

Females

10210

F18-39

10210

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

24074

Females

10053

F18-39

10053

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23181

Females

9615

F18-39

9615

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23398

Females

9759

F18-39

9759

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23406

Females

9824

F18-39

9824

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23334

Females

9768

F18-39

9768

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22792

Females

9522

F18-39

9522

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22361

Females

9330

F18-39

9330

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23261

Females

9807

F18-39

9807

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22405

Females

9335

F18-39

9335

Passing Analysis

Category:
Athletes Passed
1518
Passed By
365
Net Change
+1153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25216
5K → 10K27597+178#25216#25038
10K → 15K27223+249#25038#24789
15K → 20K19837+161#24789#24628
20K → Half369+27#24628#24601
Half → 25K7775+2#24601#24599
25K → 30K14847+101#24599#24498
30K → 20M1121+111#24498#24387
20M → 21M8617+69#24387#24318
21M → 35K449+35#24318#24283
35K → 23M5420+34#24283#24249
23M → 24M615+56#24249#24193
24M → 40K895+84#24193#24109
40K → 25.2M1612+4#24109#24105
25.2M → Finish508+42#24105#24063
TOTALS1518365+1153
📊

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