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BOSTON MARATHON 2023

Rachael Peterson

Bib: 17016•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:19
Rank: #12617
Start → 5K
24:19 | 7:50/mi
10K· 6.21 mi
48:34
Rank: #12854 (-237)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:12:43
Rank: #12698 (+156)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:36:48
Rank: #12307 (+391)
15K → 20K
24:05 | 7:45/mi
Half· 13.11 mi
1:42:04
Rank: #12283 (+24)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:00:48
Rank: #11975 (+308)
Half → 25K
18:44 | 7:44/mi
30K· 18.64 mi
2:25:04
Rank: #11463 (+512)
25K → 30K
24:16 | 7:49/mi
20M
2:35:42
Rank: #11231 (+232)
30K → 20M
10:38 | 7:49/mi
21M
2:43:51
Rank: #11021 (+210)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:49:30
Rank: #10929 (+92)
21M → 35K
5:39 | 7:33/mi
23M
2:59:06
Rank: #10693 (+236)
35K → 23M
9:36 | 7:40/mi
24M
3:06:36
Rank: #10543 (+150)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:13:07
Rank: #10396 (+147)
24M → 40K
6:31 | 7:37/mi
25.2M
3:15:56
Rank: #10337 (+59)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:23:20
Rank: #10149 (+188)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:04
Pace7:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:16
Pace7:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0924:197:5024:19
7:50
-
10K
6.21 mi11:39:2448:347:4924:15
7:48
-0:02
15K
9.32 mi12:03:331:12:437:4824:09
7:46
-0:02
20K
12.43 mi12:27:381:36:487:4724:05
7:45
-0:01
Half
13.11 mi12:32:541:42:047:475:16
7:43
-0:02
25K
15.53 mi12:51:382:00:487:4718:44
7:44
+0:01
30K
18.64 mi13:15:542:25:047:4724:16
7:49
+0:05
20M
20.00 mi13:26:322:35:427:4710:38
7:49
0:00
21M
21.00 mi13:34:412:43:517:488:09
8:09
+0:20
35K
21.75 mi13:40:202:49:307:485:39
7:33
-0:36
23M
23.00 mi13:49:562:59:067:479:36
7:40
+0:07
24M
24.00 mi13:57:263:06:367:477:30
7:30
-0:10
40K
24.85 mi14:03:573:13:077:466:31
7:37
+0:07
25.2M
25.20 mi14:06:463:15:567:472:49
8:10
+0:33
Finish
26.22 mi14:14:103:23:207:467:24
7:16
-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

7:16 /mi

Average Pace

7:46 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:22

95% of race

Time at Steady Pace

10:58

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi11:15:0924:197:5024:19
7:50
#12617
10K
6.21 mi11:39:2448:347:4924:15
7:48
#12854
15K
9.32 mi12:03:331:12:437:4824:09
7:46
#12698
20K
12.43 mi12:27:381:36:487:4724:05
7:45
#12307
Half
13.11 mi12:32:541:42:047:475:16
7:43
#12283
25K
15.53 mi12:51:382:00:487:4718:44
7:44
#11975
30K
18.64 mi13:15:542:25:047:4724:16
7:49
#11463
20M
20.00 mi13:26:322:35:427:4710:38
7:49
#11231
21M
21.00 mi13:34:412:43:517:488:09
8:09
#11021
35K
21.75 mi13:40:202:49:307:485:39
7:33
#10929
23M
23.00 mi13:49:562:59:067:479:36
7:40
#10693
24M
24.00 mi13:57:263:06:367:477:30
7:30
#10543
40K
24.85 mi14:03:573:13:077:466:31
7:37
#10396
25.2M
25.20 mi14:06:463:15:567:472:49
8:10
#10337
Finish
26.22 mi14:14:103:23:207:467:24
7:16
#10149
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126173223322312492(Top 47%)3175(Top 28%)3175(Top 65%)
10K6.21 mi3.10 mi12854-2373346-1233346-12313166(Top 49%)3521(Top 31%)3521(Top 72%)
15K9.32 mi3.11 mi12698+1563281+653281+6512492(Top 47%)3175(Top 28%)3175(Top 65%)
20K12.43 mi3.11 mi12307+3913093+1883093+18811324(Top 43%)2584(Top 23%)2584(Top 53%)
Half13.11 mi0.68 mi12283+243087+63087+612037(Top 45%)2915(Top 26%)2915(Top 60%)
25K15.53 mi2.42 mi11975+3082924+1632924+16310513(Top 39%)2236(Top 20%)2236(Top 46%)
30K18.64 mi3.11 mi11463+5122672+2522672+2529465(Top 36%)1917(Top 17%)1917(Top 39%)
20M20.00 mi1.36 mi11231+2322558+1142558+1149097(Top 34%)1837(Top 16%)1837(Top 38%)
21M21.00 mi1.00 mi11021+2102472+862472+868342(Top 31%)1668(Top 15%)1668(Top 34%)
35K21.75 mi0.75 mi10929+922441+312441+318978(Top 34%)1915(Top 17%)1915(Top 39%)
23M23.00 mi1.25 mi10693+2362352+892352+897582(Top 28%)1415(Top 12%)1415(Top 29%)
24M24.00 mi1.00 mi10543+1502304+482304+487742(Top 29%)1582(Top 14%)1582(Top 32%)
40K24.85 mi0.85 mi10396+1472254+502254+507495(Top 28%)1568(Top 14%)1568(Top 32%)
25.2M25.20 mi0.35 mi10337+592237+172237+177593(Top 29%)1663(Top 15%)1663(Top 34%)
Finish26.22 mi1.02 mi10149+1882169+682169+686885(Top 26%)1390(Top 12%)1390(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12492

Females

3175

F18-39

3175

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13166

Females

3521

F18-39

3521

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12492

Females

3175

F18-39

3175

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11324

Females

2584

F18-39

2584

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12037

Females

2915

F18-39

2915

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10513

Females

2236

F18-39

2236

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9465

Females

1917

F18-39

1917

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9097

Females

1837

F18-39

1837

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8342

Females

1668

F18-39

1668

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8978

Females

1915

F18-39

1915

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7582

Females

1415

F18-39

1415

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7742

Females

1582

F18-39

1582

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7495

Females

1568

F18-39

1568

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7593

Females

1663

F18-39

1663

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6885

Females

1390

F18-39

1390

Passing Analysis

Category:
Athletes Passed
3190
Passed By
722
Net Change
+2468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12617
5K → 10K196433-237#12617#12854
10K → 15K291135+156#12854#12698
15K → 20K42534+391#12698#12307
20K → Half4117+24#12307#12283
Half → 25K32214+308#12283#11975
25K → 30K52816+512#11975#11463
30K → 20M2408+232#11463#11231
20M → 21M2177+210#11231#11021
21M → 35K10210+92#11021#10929
35K → 23M2437+236#10929#10693
23M → 24M16515+150#10693#10543
24M → 40K1569+147#10543#10396
40K → 25.2M656+59#10396#10337
25.2M → Finish19911+188#10337#10149
TOTALS3190722+2468
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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