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BOSTON MARATHON 2023

Michaela Tosone

MA

Bib: 12024 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
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
6:49/mi
21:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:46/mi
42:12
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:55/mi
1:03:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:14/mi
1:26:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:07/mi
1:31:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:23/mi
1:48:54
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:48/mi
2:13:09
↑ 181↓ 1480.2%
138 ft elev
20M
8:03/mi
2:24:06
↑ 64↓ 500.2%
148 ft elev
21M
8:43/mi
2:32:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:52/mi
2:38:42
↑ 17↓ 861.7%
156 ft elev
23M
8:19/mi
2:49:07
↑ 23↓ 630.6%
116 ft elev
24M
8:14/mi
2:57:21
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:38/mi
3:04:44
↓ 200.3%
20 ft elev
25.2M
9:31/mi
3:08:01
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:42/mi
3:16:53
↑ 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
1:31:016:57 /mi⚡ faster
2nd Half
1:45:528:05 /mi+16.3%
Positive split — 16.3% 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 mi10:51:1821:126:4921:12
6:49
-
10K
6.21 mi11:12:1842:126:4721:00
6:46
-0:03
15K
9.32 mi11:33:481:03:426:5021:30
6:55
+0:09
20K
12.43 mi11:56:161:26:106:5622:28
7:14
+0:19
Half
13.11 mi12:01:071:31:016:574:51
7:07
-0:07
25K
15.53 mi12:19:001:48:547:0117:53
7:23
+0:16
30K
18.64 mi12:43:152:13:097:0924:15
7:48
+0:25
20M
20.00 mi12:54:122:24:067:1210:57
8:03
+0:15
21M
21.00 mi13:02:552:32:497:178:43
8:43
+0:40
35K
21.75 mi13:08:482:38:427:185:53
7:52
-0:51
23M
23.00 mi13:19:132:49:077:2110:25
8:19
+0:27
24M
24.00 mi13:27:272:57:217:238:14
8:14
-0:05
40K
24.85 mi13:34:503:04:447:267:23
8:38
+0:24
25.2M
25.20 mi13:38:073:08:017:283:17
9:31
+0:53
Finish
26.22 mi13:46:593:16:537:318:52
8:42
-0:49

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

6:46 /mi

Average Pace

7:31 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:48:54

55% of race

Time at Steady Pace

49:19

25% of race

Time at Slower Pace

38:40

20% of race

Average Pace: 7:31 /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 mi10:51:1821:126:4921:12
6:49
#4917
10K
6.21 mi11:12:1842:126:4721:00
6:46
#4907
15K
9.32 mi11:33:481:03:426:5021:30
6:55
#5317
20K
12.43 mi11:56:161:26:106:5622:28
7:14
#5948
Half
13.11 mi12:01:071:31:016:574:51
7:07
#6017
25K
15.53 mi12:19:001:48:547:0117:53
7:23
#6285
30K
18.64 mi12:43:152:13:097:0924:15
7:48
#6642
20M
20.00 mi12:54:122:24:067:1210:57
8:03
#6874
21M
21.00 mi13:02:552:32:497:178:43
8:43
#7023
35K
21.75 mi13:08:482:38:427:185:53
7:52
#7156
23M
23.00 mi13:19:132:49:077:2110:25
8:19
#7367
24M
24.00 mi13:27:272:57:217:238:14
8:14
#7551
40K
24.85 mi13:34:503:04:447:267:23
8:38
#7805
25.2M
25.20 mi13:38:073:08:017:283:17
9:31
#7912
Finish
26.22 mi13:46:593:16:537:318:52
8:42
#8263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi49173493496093557557
10K6.21 mi3.10 mi4907+10348+1348+14927354354
15K9.32 mi3.11 mi5317-410390-42390-426093557557
20K12.43 mi3.11 mi5948-631510-120510-1207317876876
Half13.11 mi0.68 mi6017-69522-12522-127299865865
25K15.53 mi2.42 mi6285-268583-61583-61783711361136
30K18.64 mi3.11 mi6642-357688-105688-105940718891889
20M20.00 mi1.36 mi6874-232758-70758-701070825762576
21M21.00 mi1.00 mi7023-149806-48806-481176432703270
35K21.75 mi0.75 mi7156-133859-53859-531113529222922
23M23.00 mi1.25 mi7367-211965-106965-1061203635253525
24M24.00 mi1.00 mi7551-1841043-781043-781282740264026
40K24.85 mi0.85 mi7805-2541153-1101153-1101416448264826
25.2M25.20 mi0.35 mi7912-1071197-441197-441528054415441
Finish26.22 mi1.02 mi8263-3511357-1601357-1601649360846084

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6093

Females

557

F18-39

557

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

4927

Females

354

F18-39

354

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6093

Females

557

F18-39

557

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7317

Females

876

F18-39

876

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7299

Females

865

F18-39

865

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7837

Females

1136

F18-39

1136

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9407

Females

1889

F18-39

1889

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10708

Females

2576

F18-39

2576

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11764

Females

3270

F18-39

3270

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11135

Females

2922

F18-39

2922

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12036

Females

3525

F18-39

3525

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12827

Females

4026

F18-39

4026

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14164

Females

4826

F18-39

4826

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15280

Females

5441

F18-39

5441

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16493

Females

6084

F18-39

6084

Passing Analysis

Category:
Athletes Passed
457
Passed By
3803
Net Change
-3346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4917
5K → 10K199189+10#4917#4907
10K → 15K27437-410#4907#5317
15K → 20K17648-631#5317#5948
20K → Half574-69#5948#6017
Half → 25K29297-268#6017#6285
25K → 30K42399-357#6285#6642
30K → 20M14246-232#6642#6874
20M → 21M31180-149#6874#7023
21M → 35K8141-133#7023#7156
35K → 23M34245-211#7156#7367
23M → 24M21205-184#7367#7551
24M → 40K15269-254#7551#7805
40K → 25.2M6113-107#7805#7912
25.2M → Finish9360-351#7912#8263
TOTALS4573803-3346

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