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BOSTON MARATHON 2023

Marie Affatato

PA

Bib: 14470 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
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
7:42/mi
23:54
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:41/mi
47:45
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:53/mi
1:12:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:16/mi
1:37:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:49/mi
1:43:15
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:08/mi
2:02:57
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:08/mi
2:28:13
↑ 181↓ 1480.2%
138 ft elev
20M
8:15/mi
2:39:26
↑ 64↓ 500.2%
148 ft elev
21M
8:34/mi
2:48:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:33/mi
2:53:39
↑ 17↓ 861.7%
156 ft elev
23M
8:21/mi
3:04:06
↑ 23↓ 630.6%
116 ft elev
24M
7:47/mi
3:11:53
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:08/mi
3:18:50
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:21:51
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:33/mi
3:29:33
↑ 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
1:43:157:53 /mi⚡ faster
2nd Half
1:46:188:07 /mi+3.0%
Positive split — 3.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:547:423.11 mi23:54
7:42
-
10K
47:457:413.10 mi23:51
7:41
-0:01
15K
1:12:147:453.11 mi24:29
7:53
+0:12
20K
1:37:557:533.11 mi25:41
8:16
+0:23
Half(13.11 mi)
1:43:157:530.68 mi5:20
7:49
-0:27
25K
2:02:577:552.42 mi19:42
8:08
+0:19
30K
2:28:137:573.11 mi25:16
8:08
0:00
20M
2:39:267:581.36 mi11:13
8:15
+0:07
21M
2:48:008:001.00 mi8:34
8:34
+0:19
35K
2:53:397:590.75 mi5:39
7:33
-1:01
23M
3:04:068:001.25 mi10:27
8:21
+0:48
24M
3:11:538:001.00 mi7:47
7:47
-0:34
40K
3:18:508:000.85 mi6:57
8:08
+0:21
25.2M
3:21:518:010.35 mi3:01
8:45
+0:37
Finish(26.22 mi)
3:29:338:001.02 mi7:42
7:33
-1:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:33 /mi

Average Pace

8:00 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:07:31

89% of race

Time at Steady Pace

22:02

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi11393253625361337037083708
10K3.10 mi11667-2742689-1532689-1531204329002900
15K3.11 mi12222-5553019-3303019-3301337037083708
20K3.11 mi13122-9003558-5393558-5391539049544954
Half(13.11 mi)0.68 mi13099+233540+183540+181290634353435
25K2.42 mi13185-863603-633603-631368040154015
30K3.11 mi12904+2813489+1143489+1141188531163116
20M1.36 mi12812+923457+323457+321206033083308
21M1.00 mi12665+1473393+643393+641090328192819
35K0.75 mi12503+1623315+783315+78900419411941
23M1.25 mi12477+263314+13314+11223336443644
24M1.00 mi12347+1303263+513263+51971224612461
40K0.85 mi12284+633247+163247+161092431103110
25.2M0.35 mi12262+223251-43251-41109132493249
Finish(26.22 mi)1.02 mi12113+1493187+643187+64900422552255

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13370

Females

3708

F18-39

3708

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12043

Females

2900

F18-39

2900

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13370

Females

3708

F18-39

3708

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15390

Females

4954

F18-39

4954

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12906

Females

3435

F18-39

3435

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13680

Females

4015

F18-39

4015

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11885

Females

3116

F18-39

3116

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12060

Females

3308

F18-39

3308

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10903

Females

2819

F18-39

2819

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9004

Females

1941

F18-39

1941

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12233

Females

3644

F18-39

3644

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9712

Females

2461

F18-39

2461

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10924

Females

3110

F18-39

3110

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11091

Females

3249

F18-39

3249

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9004

Females

2255

F18-39

2255

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#11393
5K → 10K
467193-274
#11393 → #11667
10K → 15K
61055-555
#11667 → #12222
15K → 20K
93131-900
#12222 → #13122
20K → Half
2548+23
#13122 → #13099
Half → 25K
199113-86
#13099 → #13185
25K → 30K
69350+281
#13185 → #12904
30K → 20M
48140+92
#12904 → #12812
20M → 21M
30177+147
#12812 → #12665
21M → 35K
3165+162
#12665 → #12503
35K → 23M
7197+26
#12503 → #12477
23M → 24M
9139+130
#12477 → #12347
24M → 40K
2588+63
#12347 → #12284
40K → 25.2M
2244+22
#12284 → #12262
25.2M → Finish
19168+149
#12262 → #12113
TOTALS
25281808-720
#11393 → #12113

Passing Visualized

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