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BOSTON MARATHON 2023

Avalin Senefeld

Bib: 31956•F

IL

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

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
10:12/mi
31:40
↑ 97↓ 3451.5%
10K· 6.21 mi
10:25/mi
1:04:03
↑ 79↓ 1380.4%
15K· 9.32 mi
10:58/mi
1:38:07
↑ 67↓ 78
20K· 12.43 mi
11:02/mi
2:12:24
↑ 106↓ 860.1%
Half· 13.11 mi
11:20/mi
2:20:08
↑ 19↓ 370.5%
25K· 15.53 mi
12:54/mi
2:51:24
↑ 66↓ 880.2%
30K· 18.64 mi
14:02/mi
3:35:00
↑ 181↓ 1480.2%
20M
14:05/mi
3:54:08
↑ 64↓ 500.2%
21M
15:58/mi
4:10:06
↑ 106↓ 241.6%
35K· 21.75 mi
16:09/mi
4:22:11
↑ 17↓ 861.7%
23M
14:59/mi
4:40:56
↑ 23↓ 630.6%
24M
13:53/mi
4:54:49
↓ 821.3%
40K· 24.85 mi
13:32/mi
5:06:23
↓ 200.3%
25.2M
14:10/mi
5:11:16
↑ 13↓ 160.2%
Finish· 26.22 mi
12:42/mi
5:24:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:08
Pace10:41 /mi
2nd Half
Distance13.11 mi
Time3:04:05
Pace14:03 /mi
📊Positive Split: 31.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5131:4010:1231:40
10:12
-
10K
6.21 mi12:24:141:04:0310:1832:23
10:25
+0:13
15K
9.32 mi12:58:181:38:0710:3234:04
10:58
+0:33
20K
12.43 mi13:32:352:12:2410:3934:17
11:02
+0:04
Half
13.11 mi13:40:192:20:0810:417:44
11:20
+0:18
25K
15.53 mi14:11:352:51:2411:0231:16
12:54
+1:34
30K
18.64 mi14:55:113:35:0011:3243:36
14:02
+1:08
20M
20.00 mi15:14:193:54:0811:4219:08
14:05
+0:03
21M
21.00 mi15:30:174:10:0611:5515:58
15:58
+1:53
35K
21.75 mi15:42:224:22:1112:0312:05
16:09
+0:11
23M
23.00 mi16:01:074:40:5612:1318:45
14:59
-1:10
24M
24.00 mi16:15:004:54:4912:1713:53
13:53
-1:06
40K
24.85 mi16:26:345:06:2312:2011:34
13:32
-0:21
25.2M
25.20 mi16:31:275:11:1612:214:53
14:10
+0:38
Finish
26.22 mi16:44:245:24:1312:2212:57
12:42
-1:28

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

10:12 /mi

Average Pace

12:22 /mi

Slowest Pace

16:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:08

43% of race

Time at Steady Pace

2:17:17

42% of race

Time at Slower Pace

46:48

14% of race

Average Pace: 12:22 /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 mi11:51:5131:4010:1231:40
10:12
#23936
10K
6.21 mi12:24:141:04:0310:1832:23
10:25
#24291
15K
9.32 mi12:58:181:38:0710:3234:04
10:58
#24675
20K
12.43 mi13:32:352:12:2410:3934:17
11:02
#24686
Half
13.11 mi13:40:192:20:0810:417:44
11:20
#24731
25K
15.53 mi14:11:352:51:2411:0231:16
12:54
#25064
30K
18.64 mi14:55:113:35:0011:3243:36
14:02
#25352
20M
20.00 mi15:14:193:54:0811:4219:08
14:05
#25434
21M
21.00 mi15:30:174:10:0611:5515:58
15:58
#25520
35K
21.75 mi15:42:224:22:1112:0312:05
16:09
#25620
23M
23.00 mi16:01:074:40:5612:1318:45
14:59
#25692
24M
24.00 mi16:15:004:54:4912:1713:53
13:53
#25720
40K
24.85 mi16:26:345:06:2312:2011:34
13:32
#25715
25.2M
25.20 mi16:31:275:11:1612:214:53
14:10
#25713
Finish
26.22 mi16:44:245:24:1312:2212:57
12:42
#25733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi239369857985725139(Top 94%)10538(Top 92%)10538(Top 216%)
10K6.21 mi3.10 mi24291-35510049-19210049-19224548(Top 92%)10197(Top 89%)10197(Top 209%)
15K9.32 mi3.11 mi24675-38410264-21510264-21525139(Top 94%)10538(Top 92%)10538(Top 216%)
20K12.43 mi3.11 mi24686-1110284-2010284-2024675(Top 93%)10296(Top 90%)10296(Top 211%)
Half13.11 mi0.68 mi24731-4510310-2610310-2625334(Top 95%)10690(Top 94%)10690(Top 219%)
25K15.53 mi2.42 mi25064-33310501-19110501-19125803(Top 97%)10964(Top 96%)10964(Top 224%)
30K18.64 mi3.11 mi25352-28810693-19210693-19226050(Top 98%)11125(Top 97%)11125(Top 228%)
20M20.00 mi1.36 mi25434-8210746-5310746-5325874(Top 97%)11058(Top 97%)11058(Top 226%)
21M21.00 mi1.00 mi25520-8610797-5110797-5126210(Top 98%)11225(Top 98%)11225(Top 230%)
35K21.75 mi0.75 mi25620-10010850-5310850-5326530(Top 100%)11384(Top 100%)11384(Top 233%)
23M23.00 mi1.25 mi25692-7210895-4510895-4526290(Top 99%)11279(Top 99%)11279(Top 231%)
24M24.00 mi1.00 mi25720-2810916-2110916-2126023(Top 98%)11171(Top 98%)11171(Top 229%)
40K24.85 mi0.85 mi25715+510914+210914+225377(Top 95%)10859(Top 95%)10859(Top 222%)
25.2M25.20 mi0.35 mi25713+2109141091425127(Top 94%)10762(Top 94%)10762(Top 220%)
Finish26.22 mi1.02 mi25733-2010932-1810932-1825797(Top 97%)11071(Top 97%)11071(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25139

Females

10538

F18-39

10538

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24548

Females

10197

F18-39

10197

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25139

Females

10538

F18-39

10538

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24675

Females

10296

F18-39

10296

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25334

Females

10690

F18-39

10690

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25803

Females

10964

F18-39

10964

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26050

Females

11125

F18-39

11125

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25874

Females

11058

F18-39

11058

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26210

Females

11225

F18-39

11225

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

26530

Females

11384

F18-39

11384

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26290

Females

11279

F18-39

11279

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26023

Females

11171

F18-39

11171

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25377

Females

10859

F18-39

10859

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25127

Females

10762

F18-39

10762

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25797

Females

11071

F18-39

11071

Passing Analysis

Category:
Athletes Passed
303
Passed By
2100
Net Change
-1797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23936
5K → 10K73428-355#23936#24291
10K → 15K38422-384#24291#24675
15K → 20K97108-11#24675#24686
20K → Half651-45#24686#24731
Half → 25K11344-333#24731#25064
25K → 30K15303-288#25064#25352
30K → 20M1092-82#25352#25434
20M → 21M692-86#25434#25520
21M → 35K6106-100#25520#25620
35K → 23M476-72#25620#25692
23M → 24M735-28#25692#25720
24M → 40K1611+5#25720#25715
40K → 25.2M64+2#25715#25713
25.2M → Finish828-20#25713#25733
TOTALS3032100-1797
📊

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