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BOSTON MARATHON 2023

Jamie Rizzo

Bib: 12198•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 28%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:29
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:32:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:37:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:55:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:21:23
↑ 181↓ 1480.2%
20M
7:49/mi
2:32:01
↑ 64↓ 500.2%
21M
8:37/mi
2:40:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:46:22
↑ 17↓ 861.7%
23M
7:50/mi
2:56:11
↑ 23↓ 630.6%
24M
7:44/mi
3:03:55
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:10:26
↓ 200.3%
25.2M
8:01/mi
3:13:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:20:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:41
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:42:55
Pace7:51 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0723:227:3123:22
7:31
-
10K
6.21 mi11:14:0646:217:2822:59
7:24
-0:07
15K
9.32 mi11:37:141:09:297:2723:08
7:27
+0:03
20K
12.43 mi12:00:261:32:417:2723:12
7:28
+0:01
Half
13.11 mi12:05:261:37:417:275:00
7:20
-0:08
25K
15.53 mi12:23:421:55:577:2818:16
7:32
+0:12
30K
18.64 mi12:49:082:21:237:3525:26
8:11
+0:39
20M
20.00 mi12:59:462:32:017:3610:38
7:49
-0:22
21M
21.00 mi13:08:232:40:387:398:37
8:37
+0:48
35K
21.75 mi13:14:072:46:227:395:44
7:40
-0:57
23M
23.00 mi13:23:562:56:117:409:49
7:50
+0:10
24M
24.00 mi13:31:403:03:557:407:44
7:44
-0:06
40K
24.85 mi13:38:113:10:267:406:31
7:37
-0:07
25.2M
25.20 mi13:40:573:13:127:402:46
8:01
+0:24
Finish
26.22 mi13:48:213:20:367:397:24
7:16
-0:45

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

7:16 /mi

Average Pace

7:39 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:47

82% of race

Time at Steady Pace

28:12

14% of race

Time at Slower Pace

8:37

4% of race

Average Pace: 7:39 /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 mi10:51:0723:227:3123:22
7:31
#9821
10K
6.21 mi11:14:0646:217:2822:59
7:24
#9662
15K
9.32 mi11:37:141:09:297:2723:08
7:27
#9651
20K
12.43 mi12:00:261:32:417:2723:12
7:28
#9475
Half
13.11 mi12:05:261:37:417:275:00
7:20
#9440
25K
15.53 mi12:23:421:55:577:2818:16
7:32
#9344
30K
18.64 mi12:49:082:21:237:3525:26
8:11
#9856
20M
20.00 mi12:59:462:32:017:3610:38
7:49
#9746
21M
21.00 mi13:08:232:40:387:398:37
8:37
#9798
35K
21.75 mi13:14:072:46:227:395:44
7:40
#9796
23M
23.00 mi13:23:562:56:117:409:49
7:50
#9687
24M
24.00 mi13:31:403:03:557:407:44
7:44
#9639
40K
24.85 mi13:38:113:10:267:406:31
7:37
#9525
25.2M
25.20 mi13:40:573:13:127:402:46
8:01
#9460
Finish
26.22 mi13:48:213:20:367:397:24
7:16
#9347
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9821176617669744(Top 37%)1725(Top 15%)1725(Top 35%)
10K6.21 mi3.10 mi9662+1591689+771689+779624(Top 36%)1667(Top 15%)1667(Top 34%)
15K9.32 mi3.11 mi9651+111686+31686+39744(Top 37%)1725(Top 15%)1725(Top 35%)
20K12.43 mi3.11 mi9475+1761621+651621+659066(Top 34%)1518(Top 13%)1518(Top 31%)
Half13.11 mi0.68 mi9440+351608+131608+138900(Top 33%)1450(Top 13%)1450(Top 30%)
25K15.53 mi2.42 mi9344+961583+251583+259048(Top 34%)1576(Top 14%)1576(Top 32%)
30K18.64 mi3.11 mi9856-5121828-2451828-24512247(Top 46%)3322(Top 29%)3322(Top 68%)
20M20.00 mi1.36 mi9746+1101805+231805+239085(Top 34%)1825(Top 16%)1825(Top 37%)
21M21.00 mi1.00 mi9798-521852-471852-4711156(Top 42%)2938(Top 26%)2938(Top 60%)
35K21.75 mi0.75 mi9796+21867-151867-159725(Top 37%)2229(Top 20%)2229(Top 46%)
23M23.00 mi1.25 mi9687+1091855+121855+128701(Top 33%)1884(Top 16%)1884(Top 39%)
24M24.00 mi1.00 mi9639+481859-41859-49321(Top 35%)2251(Top 20%)2251(Top 46%)
40K24.85 mi0.85 mi9525+1141838+211838+217483(Top 28%)1556(Top 14%)1556(Top 32%)
25.2M25.20 mi0.35 mi9460+651822+161822+166747(Top 25%)1333(Top 12%)1333(Top 27%)
Finish26.22 mi1.02 mi9347+1131797+251797+256881(Top 26%)1386(Top 12%)1386(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9744

Females

1725

F18-39

1725

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9624

Females

1667

F18-39

1667

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9744

Females

1725

F18-39

1725

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9066

Females

1518

F18-39

1518

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8900

Females

1450

F18-39

1450

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9048

Females

1576

F18-39

1576

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12247

Females

3322

F18-39

3322

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9085

Females

1825

F18-39

1825

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11156

Females

2938

F18-39

2938

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9725

Females

2229

F18-39

2229

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8701

Females

1884

F18-39

1884

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9321

Females

2251

F18-39

2251

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7483

Females

1556

F18-39

1556

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6747

Females

1333

F18-39

1333

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6881

Females

1386

F18-39

1386

Passing Analysis

Category:
Athletes Passed
1845*
Passed By
1371
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9821
5K → 10K389230+159#9821#9662
10K → 15K169158+11#9662#9651
15K → 20K23256+176#9651#9475
20K → Half449+35#9475#9440
Half → 25K16064+96#9440#9344
25K → 30K52*564-512#9344#9856
30K → 20M14232+110#9856#9746
20M → 21M59111-52#9746#9798
21M → 35K4644+2#9798#9796
35K → 23M14536+109#9796#9687
23M → 24M8840+48#9687#9639
24M → 40K124*10+114#9639#9525
40K → 25.2M672+65#9525#9460
25.2M → Finish12815+113#9460#9347
TOTALS1845*1371+474

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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