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BOSTON MARATHON 2023

Rebecca Crossley

Bib: 26617•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
33:53
Rank: #25546
Start → 5K
10:54/mi
33:53 split
10K· 6.21 mi
1:06:13
Rank: #25014 (+532)
5K → 10K
10:24/mi
32:20 split
15K· 9.32 mi
1:37:33
Rank: #24569 (+445)
10K → 15K
10:05/mi
31:20 split
20K· 12.43 mi
2:09:41
Rank: #24300 (+269)
15K → 20K
10:21/mi
32:08 split
Half· 13.11 mi
2:16:35
Rank: #24249 (+51)
20K → Half
10:07/mi
6:54 split
25K· 15.53 mi
2:42:10
Rank: #24058 (+191)
Half → 25K
10:33/mi
25:35 split
30K· 18.64 mi
3:15:47
Rank: #23822 (+236)
25K → 30K
10:49/mi
33:37 split
20M
3:30:12
Rank: #23669 (+153)
30K → 20M
10:37/mi
14:25 split
21M
3:41:19
Rank: #23557 (+112)
20M → 21M
11:07/mi
11:07 split
35K· 21.75 mi
3:48:56
Rank: #23496 (+61)
21M → 35K
10:11/mi
7:37 split
23M
4:02:19
Rank: #23418 (+78)
35K → 23M
10:41/mi
13:23 split
24M
4:12:24
Rank: #23333 (+85)
23M → 24M
10:05/mi
10:05 split
40K· 24.85 mi
4:21:05
Rank: #23223 (+110)
24M → 40K
10:09/mi
8:41 split
25.2M
4:24:59
Rank: #23186 (+37)
40K → 25.2M
11:19/mi
3:54 split
Finish· 26.22 mi
4:35:09
Rank: #23138 (+48)
25.2M → Finish
9:59/mi
10:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:35
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:18:34
Pace10:34 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2533:5310:5433:53
10:54
-
10K
6.21 mi12:23:451:06:1310:3932:20
10:24
-0:30
15K
9.32 mi12:55:051:37:3310:2831:20
10:05
-0:19
20K
12.43 mi13:27:132:09:4110:2632:08
10:21
+0:16
Half
13.11 mi13:34:072:16:3510:256:54
10:07
-0:14
25K
15.53 mi13:59:422:42:1010:2625:35
10:33
+0:26
30K
18.64 mi14:33:193:15:4710:3033:37
10:49
+0:16
20M
20.00 mi14:47:443:30:1210:3114:25
10:37
-0:12
21M
21.00 mi14:58:513:41:1910:3211:07
11:07
+0:30
35K
21.75 mi15:06:283:48:5610:327:37
10:11
-0:56
23M
23.00 mi15:19:514:02:1910:3213:23
10:41
+0:30
24M
24.00 mi15:29:564:12:2410:3110:05
10:05
-0:36
40K
24.85 mi15:38:374:21:0510:308:41
10:09
+0:04
25.2M
25.20 mi15:42:314:24:5910:313:54
11:19
+1:10
Finish
26.22 mi15:52:414:35:0910:3010:10
9:59
-1:20

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

9:59 /mi

Average Pace

10:30 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:20:08

95% of race

Time at Steady Pace

15:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:30 /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 mi11:51:2533:5310:5433:53
10:54
#25546
10K
6.21 mi12:23:451:06:1310:3932:20
10:24
#25014
15K
9.32 mi12:55:051:37:3310:2831:20
10:05
#24569
20K
12.43 mi13:27:132:09:4110:2632:08
10:21
#24300
Half
13.11 mi13:34:072:16:3510:256:54
10:07
#24249
25K
15.53 mi13:59:422:42:1010:2625:35
10:33
#24058
30K
18.64 mi14:33:193:15:4710:3033:37
10:49
#23822
20M
20.00 mi14:47:443:30:1210:3114:25
10:37
#23669
21M
21.00 mi14:58:513:41:1910:3211:07
11:07
#23557
35K
21.75 mi15:06:283:48:5610:327:37
10:11
#23496
23M
23.00 mi15:19:514:02:1910:3213:23
10:41
#23418
24M
24.00 mi15:29:564:12:2410:3110:05
10:05
#23333
40K
24.85 mi15:38:374:21:0510:308:41
10:09
#23223
25.2M
25.20 mi15:42:314:24:5910:313:54
11:19
#23186
Finish
26.22 mi15:52:414:35:0910:3010:10
9:59
#23138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25546107521075223673(Top 89%)9705(Top 85%)9705(Top 199%)
10K6.21 mi3.10 mi25014+53210441+31110441+31124511(Top 92%)10171(Top 89%)10171(Top 208%)
15K9.32 mi3.11 mi24569+44510199+24210199+24223673(Top 89%)9705(Top 85%)9705(Top 199%)
20K12.43 mi3.11 mi24300+26910062+13710062+13723557(Top 88%)9666(Top 85%)9666(Top 198%)
Half13.11 mi0.68 mi24249+5110030+3210030+3223521(Top 88%)9638(Top 84%)9638(Top 197%)
25K15.53 mi2.42 mi24058+1919937+939937+9323282(Top 87%)9544(Top 84%)9544(Top 195%)
30K18.64 mi3.11 mi23822+2369819+1189819+11822830(Top 86%)9368(Top 82%)9368(Top 192%)
20M20.00 mi1.36 mi23669+1539749+709749+7021975(Top 83%)8966(Top 78%)8966(Top 184%)
21M21.00 mi1.00 mi23557+1129692+579692+5721078(Top 79%)8506(Top 74%)8506(Top 174%)
35K21.75 mi0.75 mi23496+619667+259667+2521761(Top 82%)8915(Top 78%)8915(Top 183%)
23M23.00 mi1.25 mi23418+789639+289639+2821744(Top 82%)8934(Top 78%)8934(Top 183%)
24M24.00 mi1.00 mi23333+859604+359604+3521047(Top 79%)8577(Top 75%)8577(Top 176%)
40K24.85 mi0.85 mi23223+1109552+529552+5220408(Top 77%)8289(Top 73%)8289(Top 170%)
25.2M25.20 mi0.35 mi23186+379540+129540+1221182(Top 80%)8704(Top 76%)8704(Top 178%)
Finish26.22 mi1.02 mi23138+489520+209520+2021712(Top 82%)8967(Top 78%)8967(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23673

Females

9705

F18-39

9705

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24511

Females

10171

F18-39

10171

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23673

Females

9705

F18-39

9705

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23557

Females

9666

F18-39

9666

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23521

Females

9638

F18-39

9638

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23282

Females

9544

F18-39

9544

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22830

Females

9368

F18-39

9368

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21975

Females

8966

F18-39

8966

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21078

Females

8506

F18-39

8506

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21761

Females

8915

F18-39

8915

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21744

Females

8934

F18-39

8934

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21047

Females

8577

F18-39

8577

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20408

Females

8289

F18-39

8289

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21182

Females

8704

F18-39

8704

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21712

Females

8967

F18-39

8967

Passing Analysis

Category:
Athletes Passed
2531
Passed By
123
Net Change
+2408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25546
5K → 10K55523+532#25546#25014
10K → 15K4527+445#25014#24569
15K → 20K2756+269#24569#24300
20K → Half587+51#24300#24249
Half → 25K20918+191#24249#24058
25K → 30K25014+236#24058#23822
30K → 20M1541+153#23822#23669
20M → 21M1197+112#23669#23557
21M → 35K632+61#23557#23496
35K → 23M9113+78#23496#23418
23M → 24M916+85#23418#23333
24M → 40K1133+110#23333#23223
40K → 25.2M392+37#23223#23186
25.2M → Finish6214+48#23186#23138
TOTALS2531123+2408
📊

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