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BOSTON MARATHON 2023

Faith Robertson

Bib: 29891•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

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
9:00/mi
27:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:16/mi
53:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:19:15
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:47:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:53:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:14:50
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:44:03
↑ 181↓ 1480.2%
20M
9:14/mi
2:56:36
↑ 64↓ 500.2%
21M
9:55/mi
3:06:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:12:48
↑ 17↓ 861.7%
23M
8:59/mi
3:24:03
↑ 23↓ 630.6%
24M
8:53/mi
3:32:56
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:40:40
↓ 200.3%
25.2M
10:09/mi
3:44:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:53:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:00:01
Pace9:09 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1727:599:0027:59
9:00
-
10K
6.21 mi12:15:5753:398:3825:40
8:16
-0:44
15K
9.32 mi12:41:331:19:158:3025:36
8:14
-0:02
20K
12.43 mi13:09:331:47:158:3828:00
9:01
+0:47
Half
13.11 mi13:15:261:53:088:385:53
8:37
-0:24
25K
15.53 mi13:37:082:14:508:4121:42
8:57
+0:20
30K
18.64 mi14:06:212:44:038:4829:13
9:24
+0:27
20M
20.00 mi14:18:542:56:368:5012:33
9:14
-0:10
21M
21.00 mi14:28:493:06:318:539:55
9:55
+0:41
35K
21.75 mi14:35:063:12:488:526:17
8:24
-1:31
23M
23.00 mi14:46:213:24:038:5211:15
8:59
+0:35
24M
24.00 mi14:55:143:32:568:528:53
8:53
-0:06
40K
24.85 mi15:02:583:40:408:537:44
9:03
+0:10
25.2M
25.20 mi15:06:283:44:108:543:30
10:09
+1:06
Finish
26.22 mi15:15:273:53:098:548:59
8:49
-1:20

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

8:14 /mi

Average Pace

8:54 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:26

27% of race

Time at Steady Pace

2:07:05

55% of race

Time at Slower Pace

42:38

18% of race

Average Pace: 8:54 /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 mi11:50:1727:599:0027:59
9:00
#20476
10K
6.21 mi12:15:5753:398:3825:40
8:16
#18713
15K
9.32 mi12:41:331:19:158:3025:36
8:14
#17874
20K
12.43 mi13:09:331:47:158:3828:00
9:01
#18387
Half
13.11 mi13:15:261:53:088:385:53
8:37
#18378
25K
15.53 mi13:37:082:14:508:4121:42
8:57
#18457
30K
18.64 mi14:06:212:44:038:4829:13
9:24
#18588
20M
20.00 mi14:18:542:56:368:5012:33
9:14
#18499
21M
21.00 mi14:28:493:06:318:539:55
9:55
#18434
35K
21.75 mi14:35:063:12:488:526:17
8:24
#18303
23M
23.00 mi14:46:213:24:038:5211:15
8:59
#18160
24M
24.00 mi14:55:143:32:568:528:53
8:53
#18108
40K
24.85 mi15:02:583:40:408:537:44
9:03
#18041
25.2M
25.20 mi15:06:283:44:108:543:30
10:09
#18046
Finish
26.22 mi15:15:273:53:098:548:59
8:49
#18008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi204768100810016161(Top 61%)5394(Top 47%)5394(Top 110%)
10K6.21 mi3.10 mi18713+17636954+11466954+114616674(Top 63%)5681(Top 50%)5681(Top 116%)
15K9.32 mi3.11 mi17874+8396450+5046450+50416161(Top 61%)5394(Top 47%)5394(Top 110%)
20K12.43 mi3.11 mi18387-5136744-2946744-29419760(Top 74%)7529(Top 66%)7529(Top 154%)
Half13.11 mi0.68 mi18378+96730+146730+1418502(Top 69%)6779(Top 59%)6779(Top 139%)
25K15.53 mi2.42 mi18457-796804-746804-7418716(Top 70%)6970(Top 61%)6970(Top 143%)
30K18.64 mi3.11 mi18588-1316912-1086912-10819054(Top 72%)7224(Top 63%)7224(Top 148%)
20M20.00 mi1.36 mi18499+896868+446868+4417740(Top 67%)6604(Top 58%)6604(Top 135%)
21M21.00 mi1.00 mi18434+656846+226846+2217736(Top 67%)6605(Top 58%)6605(Top 135%)
35K21.75 mi0.75 mi18303+1316780+666780+6614782(Top 56%)4996(Top 44%)4996(Top 102%)
23M23.00 mi1.25 mi18160+1436705+756705+7516031(Top 60%)5770(Top 51%)5770(Top 118%)
24M24.00 mi1.00 mi18108+526692+136692+1316714(Top 63%)6208(Top 54%)6208(Top 127%)
40K24.85 mi0.85 mi18041+676665+276665+2716424(Top 62%)6097(Top 53%)6097(Top 125%)
25.2M25.20 mi0.35 mi18046-56671-66671-617986(Top 68%)6957(Top 61%)6957(Top 142%)
Finish26.22 mi1.02 mi18008+386657+146657+1417142(Top 64%)6457(Top 57%)6457(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16161

Females

5394

F18-39

5394

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16674

Females

5681

F18-39

5681

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16161

Females

5394

F18-39

5394

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19760

Females

7529

F18-39

7529

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18502

Females

6779

F18-39

6779

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18716

Females

6970

F18-39

6970

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19054

Females

7224

F18-39

7224

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17740

Females

6604

F18-39

6604

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17736

Females

6605

F18-39

6605

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14782

Females

4996

F18-39

4996

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16031

Females

5770

F18-39

5770

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16714

Females

6208

F18-39

6208

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16424

Females

6097

F18-39

6097

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17986

Females

6957

F18-39

6957

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17142

Females

6457

F18-39

6457

Passing Analysis

Category:
Athletes Passed
3775
Passed By
1307
Net Change
+2468
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20476
5K → 10K178926+1763#20476#18713
10K → 15K85314+839#18713#17874
15K → 20K59572-513#17874#18387
20K → Half3728+9#18387#18378
Half → 25K96175-79#18378#18457
25K → 30K139270-131#18457#18588
30K → 20M13546+89#18588#18499
20M → 21M11550+65#18499#18434
21M → 35K1343+131#18434#18303
35K → 23M15815+143#18303#18160
23M → 24M8331+52#18160#18108
24M → 40K8114+67#18108#18041
40K → 25.2M2530-5#18041#18046
25.2M → Finish7133+38#18046#18008
TOTALS37751307+2468
📊

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