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BOSTON MARATHON 2023

Sarah Branciforti

Bib: 26264•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:37
Rank: #23894
Start → 5K
10:11/mi
31:37 split
10K· 6.21 mi
1:02:25
Rank: #23723 (+171)
5K → 10K
9:55/mi
30:48 split
15K· 9.32 mi
1:33:18
Rank: #23636 (+87)
10K → 15K
9:56/mi
30:53 split
20K· 12.43 mi
2:04:56
Rank: #23549 (+87)
15K → 20K
10:11/mi
31:38 split
Half· 13.11 mi
2:11:51
Rank: #23537 (+12)
20K → Half
10:08/mi
6:55 split
25K· 15.53 mi
2:37:01
Rank: #23441 (+96)
Half → 25K
10:23/mi
25:10 split
30K· 18.64 mi
3:10:08
Rank: #23247 (+194)
25K → 30K
10:40/mi
33:07 split
20M
3:25:09
Rank: #23198 (+49)
30K → 20M
11:03/mi
15:01 split
21M
3:36:33
Rank: #23121 (+77)
20M → 21M
11:24/mi
11:24 split
35K· 21.75 mi
3:44:32
Rank: #23108 (+13)
21M → 35K
10:40/mi
7:59 split
23M
3:59:25
Rank: #23156 (-48)
35K → 23M
11:53/mi
14:53 split
24M
4:10:14
Rank: #23141 (+15)
23M → 24M
10:49/mi
10:49 split
40K· 24.85 mi
4:19:40
Rank: #23091 (+50)
24M → 40K
11:02/mi
9:26 split
25.2M
4:23:20
Rank: #23047 (+44)
40K → 25.2M
10:38/mi
3:40 split
Finish· 26.22 mi
4:32:58
Rank: #22957 (+90)
25.2M → Finish
9:27/mi
9:38 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:51
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:21:07
Pace10:46 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2631:3710:1131:37
10:11
-
10K
6.21 mi12:19:141:02:2510:0330:48
9:55
-0:16
15K
9.32 mi12:50:071:33:1810:0130:53
9:56
+0:01
20K
12.43 mi13:21:452:04:5610:0331:38
10:11
+0:15
Half
13.11 mi13:28:402:11:5110:036:55
10:08
-0:03
25K
15.53 mi13:53:502:37:0110:0625:10
10:23
+0:15
30K
18.64 mi14:26:573:10:0810:1233:07
10:40
+0:17
20M
20.00 mi14:41:583:25:0910:1515:01
11:03
+0:23
21M
21.00 mi14:53:223:36:3310:1911:24
11:24
+0:21
35K
21.75 mi15:01:213:44:3210:197:59
10:40
-0:44
23M
23.00 mi15:16:143:59:2510:2514:53
11:53
+1:13
24M
24.00 mi15:27:034:10:1410:2610:49
10:49
-1:04
40K
24.85 mi15:36:294:19:4010:279:26
11:02
+0:13
25.2M
25.20 mi15:40:094:23:2010:273:40
10:38
-0:24
Finish
26.22 mi15:49:474:32:5810:259:38
9:27
-1:11

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

9:27 /mi

Average Pace

10:25 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:29

52% of race

Time at Steady Pace

1:20:45

30% of race

Time at Slower Pace

50:44

19% of race

Average Pace: 10:25 /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 mi11:48:2631:3710:1131:37
10:11
#23894
10K
6.21 mi12:19:141:02:2510:0330:48
9:55
#23723
15K
9.32 mi12:50:071:33:1810:0130:53
9:56
#23636
20K
12.43 mi13:21:452:04:5610:0331:38
10:11
#23549
Half
13.11 mi13:28:402:11:5110:036:55
10:08
#23537
25K
15.53 mi13:53:502:37:0110:0625:10
10:23
#23441
30K
18.64 mi14:26:573:10:0810:1233:07
10:40
#23247
20M
20.00 mi14:41:583:25:0910:1515:01
11:03
#23198
21M
21.00 mi14:53:223:36:3310:1911:24
11:24
#23121
35K
21.75 mi15:01:213:44:3210:197:59
10:40
#23108
23M
23.00 mi15:16:143:59:2510:2514:53
11:53
#23156
24M
24.00 mi15:27:034:10:1410:2610:49
10:49
#23141
40K
24.85 mi15:36:294:19:4010:279:26
11:02
#23091
25.2M
25.20 mi15:40:094:23:2010:273:40
10:38
#23047
Finish
26.22 mi15:49:474:32:5810:259:38
9:27
#22957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238949833983323400(Top 88%)9547(Top 84%)9547(Top 195%)
10K6.21 mi3.10 mi23723+1719741+929741+9223523(Top 88%)9639(Top 84%)9639(Top 197%)
15K9.32 mi3.11 mi23636+879694+479694+4723400(Top 88%)9547(Top 84%)9547(Top 195%)
20K12.43 mi3.11 mi23549+879633+619633+6123259(Top 87%)9490(Top 83%)9490(Top 194%)
Half13.11 mi0.68 mi23537+129624+99624+923563(Top 89%)9659(Top 85%)9659(Top 198%)
25K15.53 mi2.42 mi23441+969591+339591+3322979(Top 86%)9379(Top 82%)9379(Top 192%)
30K18.64 mi3.11 mi23247+1949507+849507+8422526(Top 85%)9201(Top 81%)9201(Top 188%)
20M20.00 mi1.36 mi23198+499496+119496+1122793(Top 86%)9404(Top 82%)9404(Top 193%)
21M21.00 mi1.00 mi23121+779473+239473+2321704(Top 82%)8835(Top 77%)8835(Top 181%)
35K21.75 mi0.75 mi23108+139475-29475-222714(Top 85%)9432(Top 83%)9432(Top 193%)
23M23.00 mi1.25 mi23156-489501-269501-2623843(Top 90%)10031(Top 88%)10031(Top 205%)
24M24.00 mi1.00 mi23141+159502-19502-122700(Top 85%)9473(Top 83%)9473(Top 194%)
40K24.85 mi0.85 mi23091+509488+149488+1422437(Top 84%)9362(Top 82%)9362(Top 192%)
25.2M25.20 mi0.35 mi23047+449466+229466+2219584(Top 74%)7849(Top 69%)7849(Top 161%)
Finish26.22 mi1.02 mi22957+909429+379429+3719985(Top 75%)7998(Top 70%)7998(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23400

Females

9547

F18-39

9547

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23523

Females

9639

F18-39

9639

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23400

Females

9547

F18-39

9547

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23259

Females

9490

F18-39

9490

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23563

Females

9659

F18-39

9659

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22979

Females

9379

F18-39

9379

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22526

Females

9201

F18-39

9201

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22793

Females

9404

F18-39

9404

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21704

Females

8835

F18-39

8835

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22714

Females

9432

F18-39

9432

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23843

Females

10031

F18-39

10031

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22700

Females

9473

F18-39

9473

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22437

Females

9362

F18-39

9362

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19584

Females

7849

F18-39

7849

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19985

Females

7998

F18-39

7998

Passing Analysis

Category:
Athletes Passed
1517
Passed By
580
Net Change
+937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23894
5K → 10K310139+171#23894#23723
10K → 15K16073+87#23723#23636
15K → 20K16477+87#23636#23549
20K → Half3220+12#23549#23537
Half → 25K14549+96#23537#23441
25K → 30K22228+194#23441#23247
30K → 20M7728+49#23247#23198
20M → 21M9215+77#23198#23121
21M → 35K3219+13#23121#23108
35K → 23M3280-48#23108#23156
23M → 24M4126+15#23156#23141
24M → 40K6717+50#23141#23091
40K → 25.2M462+44#23091#23047
25.2M → Finish977+90#23047#22957
TOTALS1517580+937
📊

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