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BOSTON MARATHON 2023

Ashley Fleck

Bib: 26891•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
9:34/mi
29:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:10/mi
58:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:33/mi
1:27:49
↑ 67↓ 78
20K· 12.43 mi
10:11/mi
1:59:27
↑ 106↓ 860.1%
Half· 13.11 mi
10:08/mi
2:06:22
↑ 19↓ 370.5%
25K· 15.53 mi
10:27/mi
2:31:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:22/mi
3:07:02
↑ 181↓ 1480.2%
20M
10:59/mi
3:21:57
↑ 64↓ 500.2%
21M
12:42/mi
3:34:39
↑ 106↓ 241.6%
35K· 21.75 mi
11:36/mi
3:43:20
↑ 17↓ 861.7%
23M
11:46/mi
3:58:04
↑ 23↓ 630.6%
24M
10:57/mi
4:09:01
↓ 821.3%
40K· 24.85 mi
13:09/mi
4:20:16
↓ 200.3%
25.2M
13:26/mi
4:24:54
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:35:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:22
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:29:29
Pace11:24 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3929:429:3429:42
9:34
-
10K
6.21 mi12:15:0758:109:2228:28
9:10
-0:24
15K
9.32 mi12:44:461:27:499:2529:39
9:33
+0:23
20K
12.43 mi13:16:241:59:279:3731:38
10:11
+0:38
Half
13.11 mi13:23:192:06:229:386:55
10:08
-0:03
25K
15.53 mi13:48:392:31:429:4625:20
10:27
+0:19
30K
18.64 mi14:23:593:07:0210:0235:20
11:22
+0:55
20M
20.00 mi14:38:543:21:5710:0614:55
10:59
-0:23
21M
21.00 mi14:51:363:34:3910:1312:42
12:42
+1:43
35K
21.75 mi15:00:173:43:2010:168:41
11:36
-1:06
23M
23.00 mi15:15:013:58:0410:2114:44
11:46
+0:10
24M
24.00 mi15:25:584:09:0110:2310:57
10:57
-0:49
40K
24.85 mi15:37:134:20:1610:2811:15
13:09
+2:12
25.2M
25.20 mi15:41:514:24:5410:314:38
13:26
+0:17
Finish
26.22 mi15:52:484:35:5110:3210:57
10:45
-2:41

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

9:10 /mi

Average Pace

10:32 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:22

46% of race

Time at Steady Pace

1:37:29

35% of race

Time at Slower Pace

52:00

19% of race

Average Pace: 10:31 /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 mi11:46:3929:429:3429:42
9:34
#22277
10K
6.21 mi12:15:0758:109:2228:28
9:10
#21926
15K
9.32 mi12:44:461:27:499:2529:39
9:33
#22054
20K
12.43 mi13:16:241:59:279:3731:38
10:11
#22436
Half
13.11 mi13:23:192:06:229:386:55
10:08
#22521
25K
15.53 mi13:48:392:31:429:4625:20
10:27
#22630
30K
18.64 mi14:23:593:07:0210:0235:20
11:22
#22859
20M
20.00 mi14:38:543:21:5710:0614:55
10:59
#22850
21M
21.00 mi14:51:363:34:3910:1312:42
12:42
#22923
35K
21.75 mi15:00:173:43:2010:168:41
11:36
#22988
23M
23.00 mi15:15:013:58:0410:2114:44
11:46
#23025
24M
24.00 mi15:25:584:09:0110:2310:57
10:57
#23017
40K
24.85 mi15:37:134:20:1610:2811:15
13:09
#23149
25.2M
25.20 mi15:41:514:24:5410:314:38
13:26
#23182
Finish
26.22 mi15:52:484:35:5110:3210:57
10:45
#23188
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi222779019901922385(Top 84%)9003(Top 79%)9003(Top 184%)
10K6.21 mi3.10 mi21926+3518811+2088811+20821516(Top 81%)8567(Top 75%)8567(Top 175%)
15K9.32 mi3.11 mi22054-1288867-568867-5622385(Top 84%)9003(Top 79%)9003(Top 184%)
20K12.43 mi3.11 mi22436-3829051-1849051-18423264(Top 87%)9495(Top 83%)9495(Top 194%)
Half13.11 mi0.68 mi22521-859104-539104-5323582(Top 89%)9678(Top 85%)9678(Top 198%)
25K15.53 mi2.42 mi22630-1099165-619165-6123101(Top 87%)9447(Top 83%)9447(Top 193%)
30K18.64 mi3.11 mi22859-2299308-1439308-14323687(Top 89%)9829(Top 86%)9829(Top 201%)
20M20.00 mi1.36 mi22850+99319-119319-1122680(Top 85%)9349(Top 82%)9349(Top 191%)
21M21.00 mi1.00 mi22923-739369-509369-5023724(Top 89%)9941(Top 87%)9941(Top 204%)
35K21.75 mi0.75 mi22988-659407-389407-3824248(Top 91%)10259(Top 90%)10259(Top 210%)
23M23.00 mi1.25 mi23025-379439-329439-3223676(Top 89%)9944(Top 87%)9944(Top 204%)
24M24.00 mi1.00 mi23017+89448-99448-922975(Top 86%)9625(Top 84%)9625(Top 197%)
40K24.85 mi0.85 mi23149-1329519-719519-7125077(Top 94%)10716(Top 94%)10716(Top 219%)
25.2M25.20 mi0.35 mi23182-339538-199538-1924482(Top 92%)10431(Top 91%)10431(Top 214%)
Finish26.22 mi1.02 mi23188-69543-59543-523517(Top 88%)9921(Top 87%)9921(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22385

Females

9003

F18-39

9003

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21516

Females

8567

F18-39

8567

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22385

Females

9003

F18-39

9003

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23264

Females

9495

F18-39

9495

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23582

Females

9678

F18-39

9678

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23101

Females

9447

F18-39

9447

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23687

Females

9829

F18-39

9829

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22680

Females

9349

F18-39

9349

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23724

Females

9941

F18-39

9941

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24248

Females

10259

F18-39

10259

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23676

Females

9944

F18-39

9944

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22975

Females

9625

F18-39

9625

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25077

Females

10716

F18-39

10716

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24482

Females

10431

F18-39

10431

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23517

Females

9921

F18-39

9921

Passing Analysis

Category:
Athletes Passed
1013
Passed By
1924
Net Change
-911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22277
5K → 10K474123+351#22277#21926
10K → 15K121249-128#21926#22054
15K → 20K50432-382#22054#22436
20K → Half792-85#22436#22521
Half → 25K63172-109#22521#22630
25K → 30K52281-229#22630#22859
30K → 20M6657+9#22859#22850
20M → 21M2699-73#22850#22923
21M → 35K1681-65#22923#22988
35K → 23M4481-37#22988#23025
23M → 24M4436+8#23025#23017
24M → 40K14146-132#23017#23149
40K → 25.2M841-33#23149#23182
25.2M → Finish2834-6#23182#23188
TOTALS10131924-911
📊

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