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BOSTON MARATHON 2023

Sarah Tarantino

Bib: 21830•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 (F45-49)
#0 / 1817
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
9:34/mi
29:44
↑ 97↓ 3451.5%
10K· 6.21 mi
9:50/mi
1:00:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:40/mi
1:30:18
↑ 67↓ 78
20K· 12.43 mi
10:19/mi
2:02:20
↑ 106↓ 860.1%
Half· 13.11 mi
10:35/mi
2:09:33
↑ 19↓ 370.5%
25K· 15.53 mi
10:07/mi
2:34:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
3:07:15
↑ 181↓ 1480.2%
20M
10:34/mi
3:21:37
↑ 64↓ 500.2%
21M
13:07/mi
3:34:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:41:50
↑ 17↓ 861.7%
23M
11:06/mi
3:55:44
↑ 23↓ 630.6%
24M
9:49/mi
4:05:33
↓ 821.3%
40K· 24.85 mi
10:19/mi
4:14:22
↓ 200.3%
25.2M
13:29/mi
4:19:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
4:29:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:33
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:19:50
Pace10:40 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3929:449:3429:44
9:34
-
10K
6.21 mi11:53:111:00:169:4230:32
9:50
+0:16
15K
9.32 mi12:23:131:30:189:4130:02
9:40
-0:10
20K
12.43 mi12:55:152:02:209:5132:02
10:19
+0:39
Half
13.11 mi13:02:282:09:339:537:13
10:35
+0:16
25K
15.53 mi13:27:002:34:059:5524:32
10:07
-0:28
30K
18.64 mi14:00:103:07:1510:0333:10
10:41
+0:34
20M
20.00 mi14:14:323:21:3710:0514:22
10:34
-0:07
21M
21.00 mi14:27:393:34:4410:1413:07
13:07
+2:33
35K
21.75 mi14:34:453:41:5010:127:06
9:29
-3:38
23M
23.00 mi14:48:393:55:4410:1513:54
11:06
+1:37
24M
24.00 mi14:58:284:05:3310:149:49
9:49
-1:17
40K
24.85 mi15:07:174:14:2210:148:49
10:19
+0:30
25.2M
25.20 mi15:11:564:19:0110:174:39
13:29
+3:10
Finish
26.22 mi15:22:184:29:2310:1710:22
10:10
-3:19

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

9:29 /mi

Average Pace

10:17 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:52

25% of race

Time at Steady Pace

2:50:51

63% of race

Time at Slower Pace

31:40

12% of race

Average Pace: 10:16 /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 mi11:22:3929:449:3429:44
9:34
#22297
10K
6.21 mi11:53:111:00:169:4230:32
9:50
#22904
15K
9.32 mi12:23:131:30:189:4130:02
9:40
#22844
20K
12.43 mi12:55:152:02:209:5132:02
10:19
#23050
Half
13.11 mi13:02:282:09:339:537:13
10:35
#23139
25K
15.53 mi13:27:002:34:059:5524:32
10:07
#22996
30K
18.64 mi14:00:103:07:1510:0333:10
10:41
#22890
20M
20.00 mi14:14:323:21:3710:0514:22
10:34
#22807
21M
21.00 mi14:27:393:34:4410:1413:07
13:07
#22936
35K
21.75 mi14:34:453:41:5010:127:06
9:29
#22849
23M
23.00 mi14:48:393:55:4410:1513:54
11:06
#22817
24M
24.00 mi14:58:284:05:3310:149:49
9:49
#22712
40K
24.85 mi15:07:174:14:2210:148:49
10:19
#22648
25.2M
25.20 mi15:11:564:19:0110:174:39
13:29
#22691
Finish
26.22 mi15:22:184:29:2310:1710:22
10:10
#22683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi222979030903022719(Top 85%)9197(Top 81%)9197(Top 506%)
10K6.21 mi3.10 mi22904-6079306-2769306-27623335(Top 88%)9531(Top 83%)9531(Top 525%)
15K9.32 mi3.11 mi22844+609257+499257+4922719(Top 85%)9197(Top 81%)9197(Top 506%)
20K12.43 mi3.11 mi23050-2069372-1159372-11523491(Top 88%)9625(Top 84%)9625(Top 530%)
Half13.11 mi0.68 mi23139-899422-509422-5024340(Top 91%)10117(Top 89%)10117(Top 557%)
25K15.53 mi2.42 mi22996+1439358+649358+6422471(Top 84%)9099(Top 80%)9099(Top 501%)
30K18.64 mi3.11 mi22890+1069320+389320+3822566(Top 85%)9221(Top 81%)9221(Top 507%)
20M20.00 mi1.36 mi22807+839294+269294+2621912(Top 82%)8933(Top 78%)8933(Top 492%)
21M21.00 mi1.00 mi22936-1299378-849378-8424222(Top 91%)10210(Top 89%)10210(Top 562%)
35K21.75 mi0.75 mi22849+879333+459333+4519860(Top 75%)7854(Top 69%)7854(Top 432%)
23M23.00 mi1.25 mi22817+329335-29335-222548(Top 85%)9351(Top 82%)9351(Top 515%)
24M24.00 mi1.00 mi22712+1059284+519284+5120311(Top 76%)8164(Top 71%)8164(Top 449%)
40K24.85 mi0.85 mi22648+649255+299255+2920794(Top 78%)8491(Top 74%)8491(Top 467%)
25.2M25.20 mi0.35 mi22691-439282-279282-2724505(Top 92%)10435(Top 91%)10435(Top 574%)
Finish26.22 mi1.02 mi22683+89281+19281+122231(Top 84%)9248(Top 81%)9248(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22719

Females

9197

F45-49

9197

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23335

Females

9531

F45-49

9531

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22719

Females

9197

F45-49

9197

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23491

Females

9625

F45-49

9625

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24340

Females

10117

F45-49

10117

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22471

Females

9099

F45-49

9099

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22566

Females

9221

F45-49

9221

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21912

Females

8933

F45-49

8933

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24222

Females

10210

F45-49

10210

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19860

Females

7854

F45-49

7854

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22548

Females

9351

F45-49

9351

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20311

Females

8164

F45-49

8164

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20794

Females

8491

F45-49

8491

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24505

Females

10435

F45-49

10435

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22231

Females

9248

F45-49

9248

Passing Analysis

Category:
Athletes Passed
1173
Passed By
1559
Net Change
-386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22297
5K → 10K59666-607#22297#22904
10K → 15K177117+60#22904#22844
15K → 20K75281-206#22844#23050
20K → Half796-89#23050#23139
Half → 25K17835+143#23139#22996
25K → 30K17266+106#22996#22890
30K → 20M10623+83#22890#22807
20M → 21M15144-129#22807#22936
21M → 35K892+87#22936#22849
35K → 23M7240+32#22849#22817
23M → 24M1061+105#22817#22712
24M → 40K695+64#22712#22648
40K → 25.2M447-43#22648#22691
25.2M → Finish4436+8#22691#22683
TOTALS11731559-386
📊

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