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BOSTON MARATHON 2023

Jacqueline Cochrane

Bib: 25003•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
30:25
Rank: #22895
Start → 5K
30:25 | 9:47/mi
10K· 6.21 mi
1:01:13
Rank: #23287 (-392)
5K → 10K
30:48 | 9:55/mi
15K· 9.32 mi
1:32:06
Rank: #23319 (-32)
10K → 15K
30:53 | 9:56/mi
20K· 12.43 mi
2:04:25
Rank: #23436 (-117)
15K → 20K
32:19 | 10:24/mi
Half· 13.11 mi
2:11:22
Rank: #23456 (-20)
20K → Half
6:57 | 10:11/mi
25K· 15.53 mi
2:36:12
Rank: #23336 (+120)
Half → 25K
24:50 | 10:15/mi
30K· 18.64 mi
3:09:45
Rank: #23211 (+125)
25K → 30K
33:33 | 10:48/mi
20M
3:24:39
Rank: #23151 (+60)
30K → 20M
14:54 | 10:58/mi
21M
3:35:50
Rank: #23048 (+103)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
3:43:40
Rank: #23023 (+25)
21M → 35K
7:50 | 10:28/mi
23M
3:58:26
Rank: #23065 (-42)
35K → 23M
14:46 | 11:48/mi
24M
4:10:44
Rank: #23181 (-116)
23M → 24M
12:18 | 12:18/mi
40K· 24.85 mi
4:21:42
Rank: #23285 (-104)
24M → 40K
10:58 | 12:50/mi
25.2M
4:26:13
Rank: #23295 (-10)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
4:36:48
Rank: #23276 (+19)
25.2M → Finish
10:35 | 10:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:22
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:25:26
Pace11:06 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5830:259:4730:25
9:47
-
10K
6.21 mi12:25:461:01:139:5130:48
9:55
+0:08
15K
9.32 mi12:56:391:32:069:5330:53
9:56
+0:01
20K
12.43 mi13:28:582:04:2510:0132:19
10:24
+0:28
Half
13.11 mi13:35:552:11:2210:016:57
10:11
-0:13
25K
15.53 mi14:00:452:36:1210:0324:50
10:15
+0:04
30K
18.64 mi14:34:183:09:4510:1133:33
10:48
+0:33
20M
20.00 mi14:49:123:24:3910:1414:54
10:58
+0:10
21M
21.00 mi15:00:233:35:5010:1711:11
11:11
+0:13
35K
21.75 mi15:08:133:43:4010:177:50
10:28
-0:43
23M
23.00 mi15:22:593:58:2610:2214:46
11:48
+1:20
24M
24.00 mi15:35:174:10:4410:2712:18
12:18
+0:30
40K
24.85 mi15:46:154:21:4210:3210:58
12:50
+0:32
25.2M
25.20 mi15:50:464:26:1310:344:31
13:06
+0:16
Finish
26.22 mi16:01:214:36:4810:3410:35
10:23
-2:43

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

9:47 /mi

Average Pace

10:34 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:06

33% of race

Time at Steady Pace

2:10:58

47% of race

Time at Slower Pace

53:44

19% of race

Average Pace: 10:33 /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 mi11:54:5830:259:4730:25
9:47
#22895
10K
6.21 mi12:25:461:01:139:5130:48
9:55
#23287
15K
9.32 mi12:56:391:32:069:5330:53
9:56
#23319
20K
12.43 mi13:28:582:04:2510:0132:19
10:24
#23436
Half
13.11 mi13:35:552:11:2210:016:57
10:11
#23456
25K
15.53 mi14:00:452:36:1210:0324:50
10:15
#23336
30K
18.64 mi14:34:183:09:4510:1133:33
10:48
#23211
20M
20.00 mi14:49:123:24:3910:1414:54
10:58
#23151
21M
21.00 mi15:00:233:35:5010:1711:11
11:11
#23048
35K
21.75 mi15:08:133:43:4010:177:50
10:28
#23023
23M
23.00 mi15:22:593:58:2610:2214:46
11:48
#23065
24M
24.00 mi15:35:174:10:4410:2712:18
12:18
#23181
40K
24.85 mi15:46:154:21:4210:3210:58
12:50
#23285
25.2M
25.20 mi15:50:464:26:1310:344:31
13:06
#23295
Finish
26.22 mi16:01:214:36:4810:3410:35
10:23
#23276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228959329932923402(Top 88%)9549(Top 84%)9549(Top 196%)
10K6.21 mi3.10 mi23287-3929519-1909519-19023524(Top 88%)9640(Top 84%)9640(Top 197%)
15K9.32 mi3.11 mi23319-329515+49515+423402(Top 88%)9549(Top 84%)9549(Top 196%)
20K12.43 mi3.11 mi23436-1179570-559570-5523666(Top 89%)9725(Top 85%)9725(Top 199%)
Half13.11 mi0.68 mi23456-209581-119581-1123656(Top 89%)9712(Top 85%)9712(Top 199%)
25K15.53 mi2.42 mi23336+1209532+499532+4922727(Top 85%)9235(Top 81%)9235(Top 189%)
30K18.64 mi3.11 mi23211+1259488+449488+4422797(Top 86%)9350(Top 82%)9350(Top 191%)
20M20.00 mi1.36 mi23151+609473+159473+1522655(Top 85%)9337(Top 82%)9337(Top 191%)
21M21.00 mi1.00 mi23048+1039430+439430+4321249(Top 80%)8603(Top 75%)8603(Top 176%)
35K21.75 mi0.75 mi23023+259425+59425+522347(Top 84%)9244(Top 81%)9244(Top 189%)
23M23.00 mi1.25 mi23065-429460-359460-3523701(Top 89%)9955(Top 87%)9955(Top 204%)
24M24.00 mi1.00 mi23181-1169524-649524-6424854(Top 93%)10609(Top 93%)10609(Top 217%)
40K24.85 mi0.85 mi23285-1049583-599583-5924795(Top 93%)10565(Top 92%)10565(Top 216%)
25.2M25.20 mi0.35 mi23295-109600-179600-1724092(Top 90%)10231(Top 90%)10231(Top 209%)
Finish26.22 mi1.02 mi23276+199598+29598+222779(Top 86%)9543(Top 84%)9543(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23402

Females

9549

F18-39

9549

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23524

Females

9640

F18-39

9640

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23402

Females

9549

F18-39

9549

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23666

Females

9725

F18-39

9725

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23656

Females

9712

F18-39

9712

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22727

Females

9235

F18-39

9235

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22797

Females

9350

F18-39

9350

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22655

Females

9337

F18-39

9337

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21249

Females

8603

F18-39

8603

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22347

Females

9244

F18-39

9244

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23701

Females

9955

F18-39

9955

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24854

Females

10609

F18-39

10609

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24795

Females

10565

F18-39

10565

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24092

Females

10231

F18-39

10231

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22779

Females

9543

F18-39

9543

Passing Analysis

Category:
Athletes Passed
996
Passed By
1377
Net Change
-381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22895
5K → 10K79471-392#22895#23287
10K → 15K123155-32#23287#23319
15K → 20K70187-117#23319#23436
20K → Half2040-20#23436#23456
Half → 25K15131+120#23456#23336
25K → 30K19570+125#23336#23211
30K → 20M7919+60#23211#23151
20M → 21M1107+103#23151#23048
21M → 35K3813+25#23048#23023
35K → 23M4587-42#23023#23065
23M → 24M8124-116#23065#23181
24M → 40K17121-104#23181#23285
40K → 25.2M1727-10#23285#23295
25.2M → Finish4425+19#23295#23276
TOTALS9961377-381
📊

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