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BOSTON MARATHON 2023

Leonora Vilhelmsson

Bib: 27852•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
10:35/mi
32:53
↑ 97↓ 3451.5%
10K· 6.21 mi
11:16/mi
1:07:52
↑ 79↓ 1380.4%
15K· 9.32 mi
11:53/mi
1:44:47
↑ 67↓ 78
20K· 12.43 mi
13:09/mi
2:25:39
↑ 106↓ 860.1%
Half· 13.11 mi
11:51/mi
2:33:44
↑ 19↓ 370.5%
25K· 15.53 mi
12:50/mi
3:04:51
↑ 66↓ 880.2%
30K· 18.64 mi
12:48/mi
3:44:36
↑ 181↓ 1480.2%
20M
13:24/mi
4:02:49
↑ 64↓ 500.2%
21M
14:12/mi
4:17:01
↑ 106↓ 241.6%
35K· 21.75 mi
12:43/mi
4:26:32
↑ 17↓ 861.7%
23M
13:24/mi
4:43:19
↑ 23↓ 630.6%
24M
12:48/mi
4:56:07
↓ 821.3%
40K· 24.85 mi
14:23/mi
5:08:25
↓ 200.3%
25.2M
13:35/mi
5:13:06
↑ 13↓ 160.2%
Finish· 26.22 mi
13:01/mi
5:26:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:44
Pace11:44 /mi
2nd Half
Distance13.11 mi
Time2:52:38
Pace13:10 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2032:5310:3532:53
10:35
-
10K
6.21 mi12:25:191:07:5210:5534:59
11:16
+0:41
15K
9.32 mi13:02:141:44:4711:1536:55
11:53
+0:37
20K
12.43 mi13:43:062:25:3911:4340:52
13:09
+1:16
Half
13.11 mi13:51:112:33:4411:448:05
11:51
-1:18
25K
15.53 mi14:22:183:04:5111:5431:07
12:50
+0:59
30K
18.64 mi15:02:033:44:3612:0339:45
12:48
-0:02
20M
20.00 mi15:20:164:02:4912:0818:13
13:24
+0:36
21M
21.00 mi15:34:284:17:0112:1414:12
14:12
+0:48
35K
21.75 mi15:43:594:26:3212:159:31
12:43
-1:29
23M
23.00 mi16:00:464:43:1912:1916:47
13:24
+0:41
24M
24.00 mi16:13:344:56:0712:2012:48
12:48
-0:36
40K
24.85 mi16:25:525:08:2512:2512:18
14:23
+1:35
25.2M
25.20 mi16:30:335:13:0612:254:41
13:35
-0:48
Finish
26.22 mi16:43:495:26:2212:2713:16
13:01
-0:34

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

10:35 /mi

Average Pace

12:27 /mi

Slowest Pace

14:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:52

35% of race

Time at Steady Pace

2:27:19

45% of race

Time at Slower Pace

1:06:11

20% of race

Average Pace: 12:27 /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 mi11:50:2032:5310:3532:53
10:35
#24923
10K
6.21 mi12:25:191:07:5210:5534:59
11:16
#25483
15K
9.32 mi13:02:141:44:4711:1536:55
11:53
#25729
20K
12.43 mi13:43:062:25:3911:4340:52
13:09
#25972
Half
13.11 mi13:51:112:33:4411:448:05
11:51
#25953
25K
15.53 mi14:22:183:04:5111:5431:07
12:50
#25928
30K
18.64 mi15:02:033:44:3612:0339:45
12:48
#25828
20M
20.00 mi15:20:164:02:4912:0818:13
13:24
#25805
21M
21.00 mi15:34:284:17:0112:1414:12
14:12
#25788
35K
21.75 mi15:43:594:26:3212:159:31
12:43
#25782
23M
23.00 mi16:00:464:43:1912:1916:47
13:24
#25771
24M
24.00 mi16:13:344:56:0712:2012:48
12:48
#25758
40K
24.85 mi16:25:525:08:2512:2512:18
14:23
#25779
25.2M
25.20 mi16:30:335:13:0612:254:41
13:35
#25772
Finish
26.22 mi16:43:495:26:2212:2713:16
13:01
#25783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi24923104001040025987(Top 98%)11032(Top 97%)11032(Top 607%)
10K6.21 mi3.10 mi25483-56010724-32410724-32425748(Top 97%)10878(Top 95%)10878(Top 599%)
15K9.32 mi3.11 mi25729-24610867-14310867-14325987(Top 98%)11032(Top 97%)11032(Top 607%)
20K12.43 mi3.11 mi25972-24311021-15411021-15426296(Top 99%)11232(Top 98%)11232(Top 618%)
Half13.11 mi0.68 mi25953+1911007+1411007+1425774(Top 97%)10937(Top 96%)10937(Top 602%)
25K15.53 mi2.42 mi25928+2511004+311004+325772(Top 97%)10945(Top 96%)10945(Top 602%)
30K18.64 mi3.11 mi25828+10010954+5010954+5025251(Top 95%)10711(Top 94%)10711(Top 589%)
20M20.00 mi1.36 mi25805+2310950+410950+425477(Top 96%)10848(Top 95%)10848(Top 597%)
21M21.00 mi1.00 mi25788+1710939+1110939+1125208(Top 95%)10714(Top 94%)10714(Top 590%)
35K21.75 mi0.75 mi25782+610940-110940-125363(Top 95%)10847(Top 95%)10847(Top 597%)
23M23.00 mi1.25 mi25771+11109401094025447(Top 96%)10870(Top 95%)10870(Top 598%)
24M24.00 mi1.00 mi25758+1310933+710933+725338(Top 95%)10845(Top 95%)10845(Top 597%)
40K24.85 mi0.85 mi25779-2110951-1810951-1825902(Top 97%)11130(Top 97%)11130(Top 613%)
25.2M25.20 mi0.35 mi25772+710949+210949+224629(Top 93%)10508(Top 92%)10508(Top 578%)
Finish26.22 mi1.02 mi25783-1110958-910958-925984(Top 98%)11163(Top 98%)11163(Top 614%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

25987

Females

11032

F45-49

11032

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25748

Females

10878

F45-49

10878

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

25987

Females

11032

F45-49

11032

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26296

Females

11232

F45-49

11232

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25774

Females

10937

F45-49

10937

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25772

Females

10945

F45-49

10945

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25251

Females

10711

F45-49

10711

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25477

Females

10848

F45-49

10848

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25208

Females

10714

F45-49

10714

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25363

Females

10847

F45-49

10847

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25447

Females

10870

F45-49

10870

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25338

Females

10845

F45-49

10845

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25902

Females

11130

F45-49

11130

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24629

Females

10508

F45-49

10508

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

25984

Females

11163

F45-49

11163

Passing Analysis

Category:
Athletes Passed
405
Passed By
1265
Net Change
-860
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24923
5K → 10K34594-560#24923#25483
10K → 15K29275-246#25483#25729
15K → 20K6249-243#25729#25972
20K → Half256+19#25972#25953
Half → 25K5126+25#25953#25928
25K → 30K1077+100#25928#25828
30K → 20M4219+23#25828#25805
20M → 21M2710+17#25805#25788
21M → 35K1610+6#25788#25782
35K → 23M198+11#25782#25771
23M → 24M207+13#25771#25758
24M → 40K1132-21#25758#25779
40K → 25.2M103+7#25779#25772
25.2M → Finish819-11#25772#25783
TOTALS4051265-860
📊

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