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BOSTON MARATHON 2023

Roxanne Smathers

Bib: 23131•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 30%
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
8:18/mi
25:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
52:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:19:24
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:47:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:53:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:16:13
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
2:48:00
↑ 181↓ 1480.2%
20M
10:09/mi
3:01:48
↑ 64↓ 500.2%
21M
10:59/mi
3:12:47
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:19:53
↑ 17↓ 861.7%
23M
9:25/mi
3:31:41
↑ 23↓ 630.6%
24M
9:25/mi
3:41:06
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:49:16
↓ 200.3%
25.2M
10:12/mi
3:52:47
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
4:02:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:32
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:08:45
Pace9:49 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1725:478:1825:47
8:18
-
10K
6.21 mi11:50:4652:168:2526:29
8:31
+0:13
15K
9.32 mi12:17:541:19:248:3127:08
8:44
+0:13
20K
12.43 mi12:45:591:47:298:3928:05
9:02
+0:18
Half
13.11 mi12:52:021:53:328:406:03
8:52
-0:10
25K
15.53 mi13:14:432:16:138:4622:41
9:21
+0:29
30K
18.64 mi13:46:302:48:009:0131:47
10:14
+0:53
20M
20.00 mi14:00:183:01:489:0513:48
10:09
-0:05
21M
21.00 mi14:11:173:12:479:1110:59
10:59
+0:50
35K
21.75 mi14:18:233:19:539:117:06
9:29
-1:30
23M
23.00 mi14:30:113:31:419:1211:48
9:25
-0:04
24M
24.00 mi14:39:363:41:069:139:25
9:25
0:00
40K
24.85 mi14:47:463:49:169:138:10
9:33
+0:08
25.2M
25.20 mi14:51:173:52:479:143:31
10:12
+0:39
Finish
26.22 mi15:00:474:02:179:159:30
9:19
-0:53

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

8:18 /mi

Average Pace

9:15 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:32

47% of race

Time at Steady Pace

1:08:40

28% of race

Time at Slower Pace

1:00:05

25% of race

Average Pace: 9:14 /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 mi11:24:1725:478:1825:47
8:18
#16164
10K
6.21 mi11:50:4652:168:2526:29
8:31
#17295
15K
9.32 mi12:17:541:19:248:3127:08
8:44
#17963
20K
12.43 mi12:45:591:47:298:3928:05
9:02
#18507
Half
13.11 mi12:52:021:53:328:406:03
8:52
#18580
25K
15.53 mi13:14:432:16:138:4622:41
9:21
#18941
30K
18.64 mi13:46:302:48:009:0131:47
10:14
#19647
20M
20.00 mi14:00:183:01:489:0513:48
10:09
#19768
21M
21.00 mi14:11:173:12:479:1110:59
10:59
#19862
35K
21.75 mi14:18:233:19:539:117:06
9:29
#19856
23M
23.00 mi14:30:113:31:419:1211:48
9:25
#19750
24M
24.00 mi14:39:363:41:069:139:25
9:25
#19716
40K
24.85 mi14:47:463:49:169:138:10
9:33
#19679
25.2M
25.20 mi14:51:173:52:479:143:31
10:12
#19660
Finish
26.22 mi15:00:474:02:179:159:30
9:19
#19655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi161645388538819166(Top 72%)7201(Top 63%)7201(Top 1366%)
10K6.21 mi3.10 mi17295-11316114-7266114-72618413(Top 69%)6725(Top 59%)6725(Top 1276%)
15K9.32 mi3.11 mi17963-6686502-3886502-38819166(Top 72%)7201(Top 63%)7201(Top 1366%)
20K12.43 mi3.11 mi18507-5446807-3056807-30519885(Top 75%)7615(Top 67%)7615(Top 1445%)
Half13.11 mi0.68 mi18580-736854-476854-4719874(Top 75%)7599(Top 67%)7599(Top 1442%)
25K15.53 mi2.42 mi18941-3617087-2337087-23320375(Top 77%)7915(Top 69%)7915(Top 1502%)
30K18.64 mi3.11 mi19647-7067514-4277514-42721601(Top 81%)8679(Top 76%)8679(Top 1647%)
20M20.00 mi1.36 mi19768-1217605-917605-9120897(Top 78%)8351(Top 73%)8351(Top 1585%)
21M21.00 mi1.00 mi19862-947659-547659-5420807(Top 78%)8355(Top 73%)8355(Top 1585%)
35K21.75 mi0.75 mi19856+67672-137672-1319833(Top 74%)7827(Top 69%)7827(Top 1485%)
23M23.00 mi1.25 mi19750+1067618+547618+5418038(Top 68%)6891(Top 60%)6891(Top 1308%)
24M24.00 mi1.00 mi19716+347600+187600+1818928(Top 71%)7407(Top 65%)7407(Top 1406%)
40K24.85 mi0.85 mi19679+377593+77593+718536(Top 70%)7240(Top 63%)7240(Top 1374%)
25.2M25.20 mi0.35 mi19660+197588+57588+518167(Top 68%)7047(Top 62%)7047(Top 1337%)
Finish26.22 mi1.02 mi19655+57589-17589-119474(Top 73%)7717(Top 68%)7717(Top 1464%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19166

Females

7201

F60-64

7201

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18413

Females

6725

F60-64

6725

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19166

Females

7201

F60-64

7201

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19885

Females

7615

F60-64

7615

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19874

Females

7599

F60-64

7599

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20375

Females

7915

F60-64

7915

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21601

Females

8679

F60-64

8679

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20897

Females

8351

F60-64

8351

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20807

Females

8355

F60-64

8355

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19833

Females

7827

F60-64

7827

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18038

Females

6891

F60-64

6891

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18928

Females

7407

F60-64

7407

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18536

Females

7240

F60-64

7240

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18167

Females

7047

F60-64

7047

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19474

Females

7717

F60-64

7717

Passing Analysis

Category:
Athletes Passed
736
Passed By
4227
Net Change
-3491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16164
5K → 10K431174-1131#16164#17295
10K → 15K50718-668#17295#17963
15K → 20K56600-544#17963#18507
20K → Half1487-73#18507#18580
Half → 25K45406-361#18580#18941
25K → 30K36742-706#18941#19647
30K → 20M53174-121#19647#19768
20M → 21M55149-94#19768#19862
21M → 35K4337+6#19862#19856
35K → 23M13226+106#19856#19750
23M → 24M6127+34#19750#19716
24M → 40K7033+37#19716#19679
40K → 25.2M3415+19#19679#19660
25.2M → Finish4439+5#19660#19655
TOTALS7364227-3491
📊

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