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BOSTON MARATHON 2023

Sarah Andra

Bib: 16825•F

UT

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
9:37/mi
29:52
↑ 97↓ 3451.5%
10K· 6.21 mi
9:43/mi
1:00:04
↑ 79↓ 1380.4%
15K· 9.32 mi
10:40/mi
1:33:12
↑ 67↓ 78
20K· 12.43 mi
12:25/mi
2:11:48
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:18:16
↑ 19↓ 370.5%
25K· 15.53 mi
11:25/mi
2:45:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:35/mi
3:21:55
↑ 181↓ 1480.2%
20M
9:38/mi
3:35:00
↑ 64↓ 500.2%
21M
10:49/mi
3:45:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:56/mi
3:53:15
↑ 17↓ 861.7%
23M
12:45/mi
4:09:13
↑ 23↓ 630.6%
24M
11:24/mi
4:20:37
↓ 821.3%
40K· 24.85 mi
10:44/mi
4:29:48
↓ 200.3%
25.2M
9:46/mi
4:33:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:29/mi
4:42:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:16
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:24:34
Pace11:02 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5829:529:3729:52
9:37
-
10K
6.21 mi11:53:101:00:049:4030:12
9:43
+0:06
15K
9.32 mi12:26:181:33:1210:0033:08
10:40
+0:57
20K
12.43 mi13:04:542:11:4810:3638:36
12:25
+1:45
Half
13.11 mi13:11:222:18:1610:336:28
9:29
-2:56
25K
15.53 mi13:39:032:45:5710:4127:41
11:25
+1:56
30K
18.64 mi14:15:013:21:5510:5035:58
11:35
+0:10
20M
20.00 mi14:28:063:35:0010:4513:05
9:38
-1:57
21M
21.00 mi14:38:553:45:4910:4510:49
10:49
+1:11
35K
21.75 mi14:46:213:53:1510:447:26
9:56
-0:53
23M
23.00 mi15:02:194:09:1310:5015:58
12:45
+2:49
24M
24.00 mi15:13:434:20:3710:5211:24
11:24
-1:21
40K
24.85 mi15:22:544:29:4810:519:11
10:44
-0:40
25.2M
25.20 mi15:26:164:33:1010:503:22
9:46
-0:58
Finish
26.22 mi15:35:564:42:5010:489:40
9:29
-0:17

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

10:48 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:05

35% of race

Time at Steady Pace

53:08

19% of race

Time at Slower Pace

2:09:37

46% of race

Average Pace: 10:47 /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 mi11:22:5829:529:3729:52
9:37
#22424
10K
6.21 mi11:53:101:00:049:4030:12
9:43
#22801
15K
9.32 mi12:26:181:33:1210:0033:08
10:40
#23605
20K
12.43 mi13:04:542:11:4810:3638:36
12:25
#24601
Half
13.11 mi13:11:222:18:1610:336:28
9:29
#24486
25K
15.53 mi13:39:032:45:5710:4127:41
11:25
#24532
30K
18.64 mi14:15:013:21:5510:5035:58
11:35
#24421
20M
20.00 mi14:28:063:35:0010:4513:05
9:38
#24115
21M
21.00 mi14:38:553:45:4910:4510:49
10:49
#23960
35K
21.75 mi14:46:213:53:1510:447:26
9:56
#23874
23M
23.00 mi15:02:194:09:1310:5015:58
12:45
#23970
24M
24.00 mi15:13:434:20:3710:5211:24
11:24
#23964
40K
24.85 mi15:22:544:29:4810:519:11
10:44
#23886
25.2M
25.20 mi15:26:164:33:1010:503:22
9:46
#23825
Finish
26.22 mi15:35:564:42:5010:489:40
9:29
#23739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224249095909524755(Top 93%)10322(Top 90%)10322(Top 211%)
10K6.21 mi3.10 mi22801-3779256-1619256-16123099(Top 87%)9386(Top 82%)9386(Top 192%)
15K9.32 mi3.11 mi23605-8049676-4209676-42024755(Top 93%)10322(Top 90%)10322(Top 211%)
20K12.43 mi3.11 mi24601-99610235-55910235-55925922(Top 97%)11010(Top 96%)11010(Top 225%)
Half13.11 mi0.68 mi24486+11510173+6210173+6222089(Top 83%)8837(Top 77%)8837(Top 181%)
25K15.53 mi2.42 mi24532-4610206-3310206-3324561(Top 92%)10261(Top 90%)10261(Top 210%)
30K18.64 mi3.11 mi24421+11110161+4510161+4523969(Top 90%)10001(Top 88%)10001(Top 205%)
20M20.00 mi1.36 mi24115+30610001+16010001+16019347(Top 73%)7488(Top 66%)7488(Top 153%)
21M21.00 mi1.00 mi23960+1559915+869915+8620437(Top 77%)8172(Top 72%)8172(Top 167%)
35K21.75 mi0.75 mi23874+869876+399876+3921139(Top 79%)8567(Top 75%)8567(Top 175%)
23M23.00 mi1.25 mi23970-969938-629938-6224859(Top 93%)10567(Top 93%)10567(Top 216%)
24M24.00 mi1.00 mi23964+69945-79945-723748(Top 89%)10031(Top 88%)10031(Top 205%)
40K24.85 mi0.85 mi23886+789910+359910+3521833(Top 82%)9066(Top 79%)9066(Top 186%)
25.2M25.20 mi0.35 mi23825+619875+359875+3516472(Top 62%)6165(Top 54%)6165(Top 126%)
Finish26.22 mi1.02 mi23739+869834+419834+4120105(Top 76%)8071(Top 71%)8071(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24755

Females

10322

F18-39

10322

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23099

Females

9386

F18-39

9386

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24755

Females

10322

F18-39

10322

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25922

Females

11010

F18-39

11010

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22089

Females

8837

F18-39

8837

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24561

Females

10261

F18-39

10261

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23969

Females

10001

F18-39

10001

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19347

Females

7488

F18-39

7488

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20437

Females

8172

F18-39

8172

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21139

Females

8567

F18-39

8567

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24859

Females

10567

F18-39

10567

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23748

Females

10031

F18-39

10031

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21833

Females

9066

F18-39

9066

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16472

Females

6165

F18-39

6165

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20105

Females

8071

F18-39

8071

Passing Analysis

Category:
Athletes Passed
1268
Passed By
2583
Net Change
-1315
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22424
5K → 10K101478-377#22424#22801
10K → 15K11815-804#22801#23605
15K → 20K51001-996#23605#24601
20K → Half1150+115#24601#24486
Half → 25K62108-46#24486#24532
25K → 30K16352+111#24532#24421
30K → 20M3060+306#24421#24115
20M → 21M1550+155#24115#23960
21M → 35K860+86#23960#23874
35K → 23M12108-96#23874#23970
23M → 24M2620+6#23970#23964
24M → 40K791+78#23964#23886
40K → 25.2M610+61#23886#23825
25.2M → Finish860+86#23825#23739
TOTALS12682583-1315
📊

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