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BOSTON MARATHON 2023

Beth Driscoll

MA

Bib: 29721 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:58/mi
30:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:48/mi
1:01:23
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:09/mi
1:32:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:58/mi
2:03:54
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:48/mi
2:10:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:39/mi
2:36:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:41/mi
3:09:35
↑ 181↓ 1480.2%
138 ft elev
20M
9:51/mi
3:22:58
↑ 64↓ 500.2%
148 ft elev
21M
11:03/mi
3:34:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:35/mi
3:41:56
↑ 17↓ 861.7%
156 ft elev
23M
9:49/mi
3:54:13
↑ 23↓ 630.6%
116 ft elev
24M
10:19/mi
4:04:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:28/mi
4:13:29
↓ 200.3%
20 ft elev
25.2M
10:29/mi
4:17:06
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:33/mi
4:26:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:35
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:16:15
Pace10:24 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1130:579:5830:57
9:58
-
10K
6.21 mi12:20:371:01:239:5330:26
9:48
-0:10
15K
9.32 mi12:52:101:32:569:5831:33
10:09
+0:21
20K
12.43 mi13:23:082:03:549:5830:58
9:58
-0:11
Half
13.11 mi13:29:492:10:359:586:41
9:48
-0:10
25K
15.53 mi13:55:392:36:2510:0425:50
10:39
+0:51
30K
18.64 mi14:28:493:09:3510:1033:10
10:41
+0:02
20M
20.00 mi14:42:123:22:5810:0913:23
9:51
-0:50
21M
21.00 mi14:53:153:34:0110:1111:03
11:03
+1:12
35K
21.75 mi15:01:103:41:5610:127:55
10:35
-0:28
23M
23.00 mi15:13:273:54:1310:1112:17
9:49
-0:46
24M
24.00 mi15:23:464:04:3210:1110:19
10:19
+0:30
40K
24.85 mi15:32:434:13:2910:128:57
10:28
+0:09
25.2M
25.20 mi15:36:204:17:0610:123:37
10:29
+0:01
Finish
26.22 mi15:46:044:26:5010:119:44
9:33
-0:56

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

9:33 /mi

Average Pace

10:11 /mi

Slowest Pace

11:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:52

71% of race

Time at Steady Pace

1:17:58

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:11 /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 mi11:50:1130:579:5830:57
9:58
#23357
10K
6.21 mi12:20:371:01:239:5330:26
9:48
#23349
15K
9.32 mi12:52:101:32:569:5831:33
10:09
#23541
20K
12.43 mi13:23:082:03:549:5830:58
9:58
#23362
Half
13.11 mi13:29:492:10:359:586:41
9:48
#23329
25K
15.53 mi13:55:392:36:2510:0425:50
10:39
#23367
30K
18.64 mi14:28:493:09:3510:1033:10
10:41
#23194
20M
20.00 mi14:42:123:22:5810:0913:23
9:51
#22978
21M
21.00 mi14:53:153:34:0110:1111:03
11:03
#22867
35K
21.75 mi15:01:103:41:5610:127:55
10:35
#22858
23M
23.00 mi15:13:273:54:1310:1112:17
9:49
#22664
24M
24.00 mi15:23:464:04:3210:1110:19
10:19
#22614
40K
24.85 mi15:32:434:13:2910:128:57
10:28
#22570
25.2M
25.20 mi15:36:204:17:0610:123:37
10:29
#22527
Finish
26.22 mi15:46:044:26:5010:119:44
9:33
#22453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi233579580958023789(Top 89%)9772(Top 86%)9772(Top 538%)
10K6.21 mi3.10 mi23349+89551+299551+2923265(Top 87%)9486(Top 83%)9486(Top 522%)
15K9.32 mi3.11 mi23541-1929633-829633-8223789(Top 89%)9772(Top 86%)9772(Top 538%)
20K12.43 mi3.11 mi23362+1799535+989535+9822840(Top 86%)9265(Top 81%)9265(Top 510%)
Half13.11 mi0.68 mi23329+339520+159520+1522873(Top 86%)9283(Top 81%)9283(Top 511%)
25K15.53 mi2.42 mi23367-389548-289548-2823443(Top 88%)9640(Top 84%)9640(Top 531%)
30K18.64 mi3.11 mi23194+1739480+689480+6822563(Top 85%)9218(Top 81%)9218(Top 507%)
20M20.00 mi1.36 mi22978+2169385+959385+9520032(Top 75%)7878(Top 69%)7878(Top 434%)
21M21.00 mi1.00 mi22867+1119337+489337+4820944(Top 79%)8431(Top 74%)8431(Top 464%)
35K21.75 mi0.75 mi22858+99340-39340-322541(Top 85%)9344(Top 82%)9344(Top 514%)
23M23.00 mi1.25 mi22664+1949244+969244+9619476(Top 73%)7672(Top 67%)7672(Top 422%)
24M24.00 mi1.00 mi22614+509228+169228+1621618(Top 81%)8906(Top 78%)8906(Top 490%)
40K24.85 mi0.85 mi22570+449209+199209+1921152(Top 79%)8699(Top 76%)8699(Top 479%)
25.2M25.20 mi0.35 mi22527+439192+179192+1719137(Top 72%)7598(Top 67%)7598(Top 418%)
Finish26.22 mi1.02 mi22453+749156+369156+3620324(Top 76%)8200(Top 72%)8200(Top 451%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23789

Females

9772

F45-49

9772

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23265

Females

9486

F45-49

9486

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23789

Females

9772

F45-49

9772

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22840

Females

9265

F45-49

9265

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22873

Females

9283

F45-49

9283

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23443

Females

9640

F45-49

9640

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22563

Females

9218

F45-49

9218

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

20032

Females

7878

F45-49

7878

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20944

Females

8431

F45-49

8431

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22541

Females

9344

F45-49

9344

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19476

Females

7672

F45-49

7672

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21618

Females

8906

F45-49

8906

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21152

Females

8699

F45-49

8699

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19137

Females

7598

F45-49

7598

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20324

Females

8200

F45-49

8200

Passing Analysis

Category:
Athletes Passed
1647
Passed By
743
Net Change
+904
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23357
5K → 10K217209+8#23357#23349
10K → 15K60252-192#23349#23541
15K → 20K22849+179#23541#23362
20K → Half429+33#23362#23329
Half → 25K75113-38#23329#23367
25K → 30K22047+173#23367#23194
30K → 20M2182+216#23194#22978
20M → 21M1198+111#22978#22867
21M → 35K3324+9#22867#22858
35K → 23M1940+194#22858#22664
23M → 24M6111+50#22664#22614
24M → 40K5410+44#22614#22570
40K → 25.2M463+43#22570#22527
25.2M → Finish806+74#22527#22453
TOTALS1647743+904
📊

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