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BOSTON MARATHON 2023

Rosanne Kelley

Bib: 17957•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
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
8:04/mi
25:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:14:21
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:39:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:44:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:03:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:28:51
↑ 181↓ 1480.2%
20M
8:22/mi
2:40:13
↑ 64↓ 500.2%
21M
8:22/mi
2:48:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:54:19
↑ 17↓ 861.7%
23M
8:06/mi
3:04:27
↑ 23↓ 630.6%
24M
7:44/mi
3:12:11
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:18:59
↓ 200.3%
25.2M
7:50/mi
3:21:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:29:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:45
Pace7:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:19
Pace7:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3325:038:0425:03
8:04
-
10K
6.21 mi11:42:1049:408:0024:37
7:55
-0:09
15K
9.32 mi12:06:511:14:217:5924:41
7:57
+0:02
20K
12.43 mi12:31:531:39:238:0025:02
8:03
+0:06
Half
13.11 mi12:37:151:44:457:595:22
7:52
-0:11
25K
15.53 mi12:56:182:03:487:5819:03
7:51
-0:01
30K
18.64 mi13:21:212:28:517:5925:03
8:04
+0:13
20M
20.00 mi13:32:432:40:138:0111:22
8:22
+0:18
21M
21.00 mi13:41:042:48:348:028:21
8:22
0:00
35K
21.75 mi13:46:492:54:198:015:45
7:41
-0:41
23M
23.00 mi13:56:573:04:278:0110:08
8:06
+0:25
24M
24.00 mi14:04:413:12:118:007:44
7:44
-0:22
40K
24.85 mi14:11:293:18:598:006:48
7:57
+0:13
25.2M
25.20 mi14:14:113:21:418:002:42
7:50
-0:07
Finish
26.22 mi14:21:343:29:047:597:23
7:15
-0:35

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

7:15 /mi

Average Pace

7:59 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:05

50% of race

Time at Steady Pace

1:44:59

50% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:17:3325:038:0425:03
8:04
#14446
10K
6.21 mi11:42:1049:408:0024:37
7:55
#14346
15K
9.32 mi12:06:511:14:217:5924:41
7:57
#14194
20K
12.43 mi12:31:531:39:238:0025:02
8:03
#14081
Half
13.11 mi12:37:151:44:457:595:22
7:52
#14039
25K
15.53 mi12:56:182:03:487:5819:03
7:51
#13639
30K
18.64 mi13:21:212:28:517:5925:03
8:04
#13173
20M
20.00 mi13:32:432:40:138:0111:22
8:22
#13129
21M
21.00 mi13:41:042:48:348:028:21
8:22
#12880
35K
21.75 mi13:46:492:54:198:015:45
7:41
#12736
23M
23.00 mi13:56:573:04:278:0110:08
8:06
#12587
24M
24.00 mi14:04:413:12:118:007:44
7:44
#12431
40K
24.85 mi14:11:293:18:598:006:48
7:57
#12327
25.2M
25.20 mi14:14:113:21:418:002:42
7:50
#12208
Finish
26.22 mi14:21:343:29:047:597:23
7:15
#11971
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144464292429213952(Top 52%)4051(Top 35%)4051(Top 83%)
10K6.21 mi3.10 mi14346+1004252+404252+4014185(Top 53%)4163(Top 36%)4163(Top 85%)
15K9.32 mi3.11 mi14194+1524172+804172+8013952(Top 52%)4051(Top 35%)4051(Top 83%)
20K12.43 mi3.11 mi14081+1134133+394133+3913897(Top 52%)4044(Top 35%)4044(Top 83%)
Half13.11 mi0.68 mi14039+424106+274106+2713325(Top 50%)3674(Top 32%)3674(Top 75%)
25K15.53 mi2.42 mi13639+4003894+2123894+21211601(Top 44%)2834(Top 25%)2834(Top 58%)
30K18.64 mi3.11 mi13173+4663649+2453649+24511401(Top 43%)2852(Top 25%)2852(Top 58%)
20M20.00 mi1.36 mi13129+443641+83641+812760(Top 48%)3727(Top 33%)3727(Top 76%)
21M21.00 mi1.00 mi12880+2493518+1233518+1239593(Top 36%)2199(Top 19%)2199(Top 45%)
35K21.75 mi0.75 mi12736+1443449+693449+699897(Top 37%)2322(Top 20%)2322(Top 48%)
23M23.00 mi1.25 mi12587+1493380+693380+6910443(Top 39%)2737(Top 24%)2737(Top 56%)
24M24.00 mi1.00 mi12431+1563309+713309+719342(Top 35%)2272(Top 20%)2272(Top 47%)
40K24.85 mi0.85 mi12327+1043273+363273+369773(Top 37%)2549(Top 22%)2549(Top 52%)
25.2M25.20 mi0.35 mi12208+1193218+553218+555658(Top 21%)971(Top 9%)971(Top 20%)
Finish26.22 mi1.02 mi11971+2373108+1103108+1106772(Top 25%)1349(Top 12%)1349(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13952

Females

4051

F18-39

4051

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14185

Females

4163

F18-39

4163

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13952

Females

4051

F18-39

4051

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13897

Females

4044

F18-39

4044

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13325

Females

3674

F18-39

3674

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11601

Females

2834

F18-39

2834

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11401

Females

2852

F18-39

2852

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12760

Females

3727

F18-39

3727

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9593

Females

2199

F18-39

2199

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9897

Females

2322

F18-39

2322

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10443

Females

2737

F18-39

2737

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9342

Females

2272

F18-39

2272

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9773

Females

2549

F18-39

2549

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5658

Females

971

F18-39

971

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6772

Females

1349

F18-39

1349

Passing Analysis

Category:
Athletes Passed
3122
Passed By
647
Net Change
+2475
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14446
5K → 10K343243+100#14446#14346
10K → 15K263111+152#14346#14194
15K → 20K229116+113#14194#14081
20K → Half5917+42#14081#14039
Half → 25K4077+400#14039#13639
25K → 30K49428+466#13639#13173
30K → 20M10763+44#13173#13129
20M → 21M2578+249#13129#12880
21M → 35K1528+144#12880#12736
35K → 23M16314+149#12736#12587
23M → 24M1626+156#12587#12431
24M → 40K12319+104#12431#12327
40K → 25.2M1190+119#12327#12208
25.2M → Finish2447+237#12208#11971
TOTALS3122647+2475
📊

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