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BOSTON MARATHON 2023

Betina Olsen

Bib: 27827•F

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
29:52
Rank: #22417
Start → 5K
29:52 | 9:37/mi
10K· 6.21 mi
58:40
Rank: #22181 (+236)
5K → 10K
28:48 | 9:16/mi
15K· 9.32 mi
1:28:37
Rank: #22341 (-160)
10K → 15K
29:57 | 9:38/mi
20K· 12.43 mi
1:57:45
Rank: #22024 (+317)
15K → 20K
29:08 | 9:23/mi
Half· 13.11 mi
2:04:05
Rank: #21995 (+29)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:28:41
Rank: #22099 (-104)
Half → 25K
24:36 | 10:09/mi
30K· 18.64 mi
3:02:23
Rank: #22308 (-209)
25K → 30K
33:42 | 10:51/mi
20M
3:17:15
Rank: #22310 (-2)
30K → 20M
14:52 | 10:56/mi
21M
3:29:02
Rank: #22320 (-10)
20M → 21M
11:47 | 11:47/mi
35K· 21.75 mi
3:37:21
Rank: #22361 (-41)
21M → 35K
8:19 | 11:07/mi
23M
3:51:28
Rank: #22398 (-37)
35K → 23M
14:07 | 11:16/mi
24M
4:03:25
Rank: #22523 (-125)
23M → 24M
11:57 | 11:57/mi
40K· 24.85 mi
4:13:13
Rank: #22546 (-23)
24M → 40K
9:48 | 11:28/mi
25.2M
4:17:16
Rank: #22545 (+1)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:27:12
Rank: #22490 (+55)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:05
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:23:07
Pace10:55 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2929:529:3729:52
9:37
-
10K
6.21 mi12:20:1758:409:2628:48
9:16
-0:21
15K
9.32 mi12:50:141:28:379:3029:57
9:38
+0:22
20K
12.43 mi13:19:221:57:459:2929:08
9:23
-0:15
Half
13.11 mi13:25:422:04:059:286:20
9:17
-0:06
25K
15.53 mi13:50:182:28:419:3424:36
10:09
+0:52
30K
18.64 mi14:24:003:02:239:4733:42
10:51
+0:42
20M
20.00 mi14:38:523:17:159:5214:52
10:56
+0:05
21M
21.00 mi14:50:393:29:029:5711:47
11:47
+0:51
35K
21.75 mi14:58:583:37:2110:008:19
11:07
-0:40
23M
23.00 mi15:13:053:51:2810:0414:07
11:16
+0:09
24M
24.00 mi15:25:024:03:2510:0911:57
11:57
+0:41
40K
24.85 mi15:34:504:13:1310:119:48
11:28
-0:29
25.2M
25.20 mi15:38:534:17:1610:134:03
11:45
+0:17
Finish
26.22 mi15:48:494:27:1210:129:56
9:45
-2:00

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

9:16 /mi

Average Pace

10:12 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:37

59% of race

Time at Steady Pace

1:11:00

27% of race

Time at Slower Pace

37:35

14% of race

Average Pace: 10:11 /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 mi11:51:2929:529:3729:52
9:37
#22417
10K
6.21 mi12:20:1758:409:2628:48
9:16
#22181
15K
9.32 mi12:50:141:28:379:3029:57
9:38
#22341
20K
12.43 mi13:19:221:57:459:2929:08
9:23
#22024
Half
13.11 mi13:25:422:04:059:286:20
9:17
#21995
25K
15.53 mi13:50:182:28:419:3424:36
10:09
#22099
30K
18.64 mi14:24:003:02:239:4733:42
10:51
#22308
20M
20.00 mi14:38:523:17:159:5214:52
10:56
#22310
21M
21.00 mi14:50:393:29:029:5711:47
11:47
#22320
35K
21.75 mi14:58:583:37:2110:008:19
11:07
#22361
23M
23.00 mi15:13:053:51:2810:0414:07
11:16
#22398
24M
24.00 mi15:25:024:03:2510:0911:57
11:57
#22523
40K
24.85 mi15:34:504:13:1310:119:48
11:28
#22546
25.2M
25.20 mi15:38:534:17:1610:134:03
11:45
#22545
Finish
26.22 mi15:48:494:27:1210:129:56
9:45
#22490
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224179088908822635(Top 85%)9148(Top 80%)9148(Top 187%)
10K6.21 mi3.10 mi22181+2368940+1488940+14821839(Top 82%)8736(Top 76%)8736(Top 179%)
15K9.32 mi3.11 mi22341-1609013-739013-7322635(Top 85%)9148(Top 80%)9148(Top 187%)
20K12.43 mi3.11 mi22024+3178851+1628851+16221194(Top 80%)8343(Top 73%)8343(Top 171%)
Half13.11 mi0.68 mi21995+298830+218830+2121491(Top 81%)8520(Top 75%)8520(Top 174%)
25K15.53 mi2.42 mi22099-1048882-528882-5222516(Top 85%)9124(Top 80%)9124(Top 187%)
30K18.64 mi3.11 mi22308-2099010-1289010-12822874(Top 86%)9393(Top 82%)9393(Top 192%)
20M20.00 mi1.36 mi22310-29016-69016-622606(Top 85%)9304(Top 81%)9304(Top 190%)
21M21.00 mi1.00 mi22320-109034-189034-1822400(Top 84%)9225(Top 81%)9225(Top 189%)
35K21.75 mi0.75 mi22361-419075-419075-4123514(Top 88%)9879(Top 86%)9879(Top 202%)
23M23.00 mi1.25 mi22398-379095-209095-2022853(Top 86%)9511(Top 83%)9511(Top 195%)
24M24.00 mi1.00 mi22523-1259178-839178-8324456(Top 92%)10407(Top 91%)10407(Top 213%)
40K24.85 mi0.85 mi22546-239195-179195-1723156(Top 87%)9739(Top 85%)9739(Top 199%)
25.2M25.20 mi0.35 mi22545+19201-69201-622068(Top 83%)9163(Top 80%)9163(Top 188%)
Finish26.22 mi1.02 mi22490+559178+239178+2320993(Top 79%)8562(Top 75%)8562(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22635

Females

9148

F18-39

9148

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21839

Females

8736

F18-39

8736

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22635

Females

9148

F18-39

9148

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21194

Females

8343

F18-39

8343

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21491

Females

8520

F18-39

8520

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22516

Females

9124

F18-39

9124

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22874

Females

9393

F18-39

9393

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22606

Females

9304

F18-39

9304

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22400

Females

9225

F18-39

9225

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23514

Females

9879

F18-39

9879

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22853

Females

9511

F18-39

9511

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24456

Females

10407

F18-39

10407

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23156

Females

9739

F18-39

9739

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22068

Females

9163

F18-39

9163

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20993

Females

8562

F18-39

8562

Passing Analysis

Category:
Athletes Passed
1298
Passed By
1371
Net Change
-73
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22417
5K → 10K383147+236#22417#22181
10K → 15K108268-160#22181#22341
15K → 20K33619+317#22341#22024
20K → Half4112+29#22024#21995
Half → 25K70174-104#21995#22099
25K → 30K70279-209#22099#22308
30K → 20M5759-2#22308#22310
20M → 21M5262-10#22310#22320
21M → 35K2162-41#22320#22361
35K → 23M4380-37#22361#22398
23M → 24M11136-125#22398#22523
24M → 40K1841-23#22523#22546
40K → 25.2M2019+1#22546#22545
25.2M → Finish6813+55#22545#22490
TOTALS12981371-73
📊

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