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BOSTON MARATHON 2023

Regina Peterson

Bib: 19823•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
8:17/mi
25:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
51:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:05
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:44:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:50:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:13:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:42:22
↑ 181↓ 1480.2%
20M
9:09/mi
2:54:48
↑ 64↓ 500.2%
21M
10:15/mi
3:05:03
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:11:57
↑ 17↓ 861.7%
23M
9:17/mi
3:23:35
↑ 23↓ 630.6%
24M
8:57/mi
3:32:32
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:40:20
↓ 200.3%
25.2M
11:56/mi
3:44:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:52:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:53
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:02:05
Pace9:19 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3625:448:1725:44
8:17
-
10K
6.21 mi11:45:5651:048:1325:20
8:09
-0:08
15K
9.32 mi12:11:571:17:058:1626:01
8:22
+0:13
20K
12.43 mi12:39:441:44:528:2627:47
8:57
+0:35
Half
13.11 mi12:45:451:50:538:276:01
8:49
-0:08
25K
15.53 mi13:08:122:13:208:3522:27
9:16
+0:27
30K
18.64 mi13:37:142:42:228:4329:02
9:21
+0:05
20M
20.00 mi13:49:402:54:488:4412:26
9:09
-0:12
21M
21.00 mi13:59:553:05:038:4910:15
10:15
+1:06
35K
21.75 mi14:06:493:11:578:506:54
9:13
-1:02
23M
23.00 mi14:18:273:23:358:5111:38
9:17
+0:04
24M
24.00 mi14:27:243:32:328:518:57
8:57
-0:20
40K
24.85 mi14:35:123:40:208:527:48
9:07
+0:10
25.2M
25.20 mi14:39:193:44:278:544:07
11:56
+2:49
Finish
26.22 mi14:47:503:52:588:548:31
8:21
-3:35

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

8:09 /mi

Average Pace

8:54 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:36

37% of race

Time at Steady Pace

2:13:00

57% of race

Time at Slower Pace

14:22

6% of race

Average Pace: 8:53 /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 mi11:20:3625:448:1725:44
8:17
#16040
10K
6.21 mi11:45:5651:048:1325:20
8:09
#15955
15K
9.32 mi12:11:571:17:058:1626:01
8:22
#16306
20K
12.43 mi12:39:441:44:528:2627:47
8:57
#17189
Half
13.11 mi12:45:451:50:538:276:01
8:49
#17317
25K
15.53 mi13:08:122:13:208:3522:27
9:16
#17848
30K
18.64 mi13:37:142:42:228:4329:02
9:21
#18045
20M
20.00 mi13:49:402:54:488:4412:26
9:09
#17977
21M
21.00 mi13:59:553:05:038:4910:15
10:15
#18037
35K
21.75 mi14:06:493:11:578:506:54
9:13
#18088
23M
23.00 mi14:18:273:23:358:5111:38
9:17
#18059
24M
24.00 mi14:27:243:32:328:518:57
8:57
#18009
40K
24.85 mi14:35:123:40:208:527:48
9:07
#17977
25.2M
25.20 mi14:39:193:44:278:544:07
11:56
#18107
Finish
26.22 mi14:47:503:52:588:548:31
8:21
#17970
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi160405313531317009(Top 64%)5923(Top 52%)5923(Top 315%)
10K6.21 mi3.10 mi15955+855259+545259+5415961(Top 60%)5258(Top 46%)5258(Top 280%)
15K9.32 mi3.11 mi16306-3515471-2125471-21217009(Top 64%)5923(Top 52%)5923(Top 315%)
20K12.43 mi3.11 mi17189-8836041-5706041-57019429(Top 73%)7338(Top 64%)7338(Top 391%)
Half13.11 mi0.68 mi17317-1286112-716112-7119596(Top 74%)7424(Top 65%)7424(Top 395%)
25K15.53 mi2.42 mi17848-5316443-3316443-33120055(Top 75%)7723(Top 68%)7723(Top 411%)
30K18.64 mi3.11 mi18045-1976595-1526595-15218802(Top 71%)7082(Top 62%)7082(Top 377%)
20M20.00 mi1.36 mi17977+686575+206575+2017325(Top 65%)6352(Top 56%)6352(Top 338%)
21M21.00 mi1.00 mi18037-606612-376612-3718887(Top 71%)7271(Top 64%)7271(Top 387%)
35K21.75 mi0.75 mi18088-516650-386650-3818847(Top 71%)7301(Top 64%)7301(Top 389%)
23M23.00 mi1.25 mi18059+296644+66644+617498(Top 66%)6570(Top 58%)6570(Top 350%)
24M24.00 mi1.00 mi18009+506634+106634+1017018(Top 64%)6368(Top 56%)6368(Top 339%)
40K24.85 mi0.85 mi17977+326624+106624+1016754(Top 63%)6266(Top 55%)6266(Top 334%)
25.2M25.20 mi0.35 mi18107-1306705-816705-8122378(Top 84%)9326(Top 82%)9326(Top 497%)
Finish26.22 mi1.02 mi17970+1376640+656640+6514498(Top 54%)5006(Top 44%)5006(Top 267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17009

Females

5923

F40-44

5923

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15961

Females

5258

F40-44

5258

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17009

Females

5923

F40-44

5923

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19429

Females

7338

F40-44

7338

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19596

Females

7424

F40-44

7424

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20055

Females

7723

F40-44

7723

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18802

Females

7082

F40-44

7082

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17325

Females

6352

F40-44

6352

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18887

Females

7271

F40-44

7271

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18847

Females

7301

F40-44

7301

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17498

Females

6570

F40-44

6570

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17018

Females

6368

F40-44

6368

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16754

Females

6266

F40-44

6266

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22378

Females

9326

F40-44

9326

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14498

Females

5006

F40-44

5006

Passing Analysis

Category:
Athletes Passed
1221
Passed By
3151
Net Change
-1930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16040
5K → 10K339254+85#16040#15955
10K → 15K85436-351#15955#16306
15K → 20K35918-883#16306#17189
20K → Half5133-128#17189#17317
Half → 25K28559-531#17317#17848
25K → 30K122319-197#17848#18045
30K → 20M11951+68#18045#17977
20M → 21M75135-60#17977#18037
21M → 35K3485-51#18037#18088
35K → 23M8354+29#18088#18059
23M → 24M8232+50#18059#18009
24M → 40K6331+32#18009#17977
40K → 25.2M3133-130#17977#18107
25.2M → Finish14811+137#18107#17970
TOTALS12213151-1930
📊

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