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BOSTON MARATHON 2023

Danielle Sansonetti

Bib: 11055 F AU

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Female)
#0 / 11423
Top 6%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F40-44)
#0 / 1878
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:51/mi
21:16
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:41/mi
42:01
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:51/mi
1:03:18
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:02/mi
1:25:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:52/mi
1:29:51
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:09/mi
1:47:12
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:28/mi
2:10:24
↑ 181↓ 1480.2%
138 ft elev
20M
7:31/mi
2:20:37
↑ 64↓ 500.2%
148 ft elev
21M
8:11/mi
2:28:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:18/mi
2:34:16
↑ 17↓ 861.7%
156 ft elev
23M
7:48/mi
2:44:02
↑ 23↓ 630.6%
116 ft elev
24M
7:33/mi
2:51:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:44/mi
2:58:12
↓ 200.3%
20 ft elev
25.2M
8:25/mi
3:01:06
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:31/mi
3:08:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:29:516:51 /mi⚡ faster
2nd Half
1:38:557:33 /mi+10.1%
Positive split — 10.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3921:166:5121:16
6:51
-
10K
6.21 mi11:08:2442:016:4620:45
6:41
-0:10
15K
9.32 mi11:29:411:03:186:4721:17
6:51
+0:10
20K
12.43 mi11:51:331:25:106:5121:52
7:02
+0:11
Half
13.11 mi11:56:141:29:516:514:41
6:52
-0:10
25K
15.53 mi12:13:351:47:126:5417:21
7:09
+0:17
30K
18.64 mi12:36:472:10:247:0023:12
7:28
+0:19
20M
20.00 mi12:47:002:20:377:0210:13
7:31
+0:03
21M
21.00 mi12:55:112:28:487:058:11
8:11
+0:40
35K
21.75 mi13:00:392:34:167:065:28
7:18
-0:53
23M
23.00 mi13:10:252:44:027:089:46
7:48
+0:30
24M
24.00 mi13:17:582:51:357:097:33
7:33
-0:15
40K
24.85 mi13:24:352:58:127:106:37
7:44
+0:11
25.2M
25.20 mi13:27:293:01:067:112:54
8:25
+0:41
Finish
26.22 mi13:35:093:08:467:127:40
7:31
-0:54

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

6:41 /mi

Average Pace

7:12 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:47:12

57% of race

Time at Steady Pace

54:06

29% of race

Time at Slower Pace

27:28

15% of race

Average Pace: 7:12 /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 mi10:47:3921:166:5121:16
6:51
#5123
10K
6.21 mi11:08:2442:016:4620:45
6:41
#4624
15K
9.32 mi11:29:411:03:186:4721:17
6:51
#4929
20K
12.43 mi11:51:331:25:106:5121:52
7:02
#5364
Half
13.11 mi11:56:141:29:516:514:41
6:52
#5386
25K
15.53 mi12:13:351:47:126:5417:21
7:09
#5589
30K
18.64 mi12:36:472:10:247:0023:12
7:28
#5782
20M
20.00 mi12:47:002:20:377:0210:13
7:31
#5837
21M
21.00 mi12:55:112:28:487:058:11
8:11
#5908
35K
21.75 mi13:00:392:34:167:065:28
7:18
#5914
23M
23.00 mi13:10:252:44:027:089:46
7:48
#5993
24M
24.00 mi13:17:582:51:357:097:33
7:33
#6028
40K
24.85 mi13:24:352:58:127:106:37
7:44
#6044
25.2M
25.20 mi13:27:293:01:067:112:54
8:25
#6075
Finish
26.22 mi13:35:093:08:467:127:40
7:31
#6129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi51233683685591448448
10K6.21 mi3.10 mi4624+499305+63305+634173257257
15K9.32 mi3.11 mi4929-305342-37342-375591448448
20K12.43 mi3.11 mi5364-435394-52394-526229581581
Half13.11 mi0.68 mi5386-22402-8402-85844482482
25K15.53 mi2.42 mi5589-203436-34436-346433676676
30K18.64 mi3.11 mi5782-193479-43479-437015930930
20M20.00 mi1.36 mi5837-55502-23502-236922990990
21M21.00 mi1.00 mi5908-71534-32534-32853817261726
35K21.75 mi0.75 mi5914-6540-6540-6719511571157
23M23.00 mi1.25 mi5993-79573-33573-33842517521752
24M24.00 mi1.00 mi6028-35595-22595-22805216851685
40K24.85 mi0.85 mi6044-16605-10605-10825118331833
25.2M25.20 mi0.35 mi6075-31617-12617-12899422202220
Finish26.22 mi1.02 mi6129-54650-33650-33873521152115

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5591

Females

448

F40-44

448

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4173

Females

257

F40-44

257

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5591

Females

448

F40-44

448

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6229

Females

581

F40-44

581

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5844

Females

482

F40-44

482

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6433

Females

676

F40-44

676

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7015

Females

930

F40-44

930

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6922

Females

990

F40-44

990

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8538

Females

1726

F40-44

1726

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7195

Females

1157

F40-44

1157

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8425

Females

1752

F40-44

1752

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8052

Females

1685

F40-44

1685

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8251

Females

1833

F40-44

1833

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8994

Females

2220

F40-44

2220

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8735

Females

2115

F40-44

2115

Passing Analysis

Category:
Athletes Passed
1021
Passed By
2027
Net Change
-1006
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5123
5K → 10K54546+499#5123#4624
10K → 15K42347-305#4624#4929
15K → 20K30465-435#4929#5364
20K → Half1537-22#5364#5386
Half → 25K39242-203#5386#5589
25K → 30K70263-193#5589#5782
30K → 20M48103-55#5782#5837
20M → 21M35106-71#5837#5908
21M → 35K2834-6#5908#5914
35K → 23M42121-79#5914#5993
23M → 24M4681-35#5993#6028
24M → 40K4157-16#6028#6044
40K → 25.2M1243-31#6044#6075
25.2M → Finish2882-54#6075#6129
TOTALS10212027-1006

Passing Charts

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