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BOSTON MARATHON 2023

Ashley Smith

Bib: 17943•F

KY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
48:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:06
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:01:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:26:44
↑ 181↓ 1480.2%
20M
8:25/mi
2:38:10
↑ 64↓ 500.2%
21M
9:01/mi
2:47:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:53:20
↑ 17↓ 861.7%
23M
8:30/mi
3:03:58
↑ 23↓ 630.6%
24M
8:18/mi
3:12:16
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:19:22
↓ 200.3%
25.2M
9:08/mi
3:22:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:09/mi
3:30:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:53
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:56
Pace8:19 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1224:237:5124:23
7:51
-
10K
6.21 mi11:38:5648:077:4523:44
7:38
-0:13
15K
9.32 mi12:02:551:12:067:4423:59
7:43
+0:05
20K
12.43 mi12:27:241:36:357:4624:29
7:53
+0:10
Half
13.11 mi12:32:421:41:537:465:18
7:46
-0:07
25K
15.53 mi12:51:572:01:087:4819:15
7:56
+0:10
30K
18.64 mi13:17:332:26:447:5225:36
8:14
+0:18
20M
20.00 mi13:28:592:38:107:5411:26
8:25
+0:11
21M
21.00 mi13:38:002:47:117:589:01
9:01
+0:36
35K
21.75 mi13:44:092:53:207:586:09
8:13
-0:48
23M
23.00 mi13:54:473:03:588:0010:38
8:30
+0:17
24M
24.00 mi14:03:053:12:168:018:18
8:18
-0:12
40K
24.85 mi14:10:113:19:228:017:06
8:18
0:00
25.2M
25.20 mi14:13:203:22:318:023:09
9:08
+0:50
Finish
26.22 mi14:21:383:30:498:038:18
8:09
-0:59

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

7:38 /mi

Average Pace

8:03 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:35

84% of race

Time at Steady Pace

22:04

10% of race

Time at Slower Pace

12:10

6% of race

Average Pace: 8:02 /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 mi11:15:1224:237:5124:23
7:51
#12838
10K
6.21 mi11:38:5648:077:4523:44
7:38
#12221
15K
9.32 mi12:02:551:12:067:4423:59
7:43
#12117
20K
12.43 mi12:27:241:36:357:4624:29
7:53
#12143
Half
13.11 mi12:32:421:41:537:465:18
7:46
#12153
25K
15.53 mi12:51:572:01:087:4819:15
7:56
#12164
30K
18.64 mi13:17:332:26:447:5225:36
8:14
#12229
20M
20.00 mi13:28:592:38:107:5411:26
8:25
#12277
21M
21.00 mi13:38:002:47:117:589:01
9:01
#12349
35K
21.75 mi13:44:092:53:207:586:09
8:13
#12397
23M
23.00 mi13:54:473:03:588:0010:38
8:30
#12443
24M
24.00 mi14:03:053:12:168:018:18
8:18
#12453
40K
24.85 mi14:10:113:19:228:017:06
8:18
#12462
25.2M
25.20 mi14:13:203:22:318:023:09
9:08
#12471
Finish
26.22 mi14:21:383:30:498:038:18
8:09
#12477
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128383344334412025(Top 45%)2915(Top 26%)2915(Top 60%)
10K6.21 mi3.10 mi12221+6172985+3592985+35911705(Top 44%)2705(Top 24%)2705(Top 55%)
15K9.32 mi3.11 mi12117+1042961+242961+2412025(Top 45%)2915(Top 26%)2915(Top 60%)
20K12.43 mi3.11 mi12143-263005-443005-4412465(Top 47%)3239(Top 28%)3239(Top 66%)
Half13.11 mi0.68 mi12153-103007-23007-212517(Top 47%)3220(Top 28%)3220(Top 66%)
25K15.53 mi2.42 mi12164-113030-233030-2312239(Top 46%)3217(Top 28%)3217(Top 66%)
30K18.64 mi3.11 mi12229-653113-833113-8312615(Top 47%)3531(Top 31%)3531(Top 72%)
20M20.00 mi1.36 mi12277-483146-333146-3313104(Top 49%)3911(Top 34%)3911(Top 80%)
21M21.00 mi1.00 mi12349-723203-573203-5713520(Top 51%)4215(Top 37%)4215(Top 86%)
35K21.75 mi0.75 mi12397-483255-523255-5213595(Top 51%)4330(Top 38%)4330(Top 89%)
23M23.00 mi1.25 mi12443-463294-393294-3913177(Top 49%)4162(Top 36%)4162(Top 85%)
24M24.00 mi1.00 mi12453-103324-303324-3013260(Top 50%)4256(Top 37%)4256(Top 87%)
40K24.85 mi0.85 mi12462-93352-283352-2812101(Top 45%)3726(Top 33%)3726(Top 76%)
25.2M25.20 mi0.35 mi12471-93370-183370-1813297(Top 50%)4368(Top 38%)4368(Top 89%)
Finish26.22 mi1.02 mi12477-63393-233393-2313084(Top 49%)4253(Top 37%)4253(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12025

Females

2915

F18-39

2915

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11705

Females

2705

F18-39

2705

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12025

Females

2915

F18-39

2915

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12465

Females

3239

F18-39

3239

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12517

Females

3220

F18-39

3220

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12239

Females

3217

F18-39

3217

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12615

Females

3531

F18-39

3531

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13104

Females

3911

F18-39

3911

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13520

Females

4215

F18-39

4215

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13595

Females

4330

F18-39

4330

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13177

Females

4162

F18-39

4162

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13260

Females

4256

F18-39

4256

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12101

Females

3726

F18-39

3726

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13297

Females

4368

F18-39

4368

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13084

Females

4253

F18-39

4253

Passing Analysis

Category:
Athletes Passed
1934
Passed By
1573
Net Change
+361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12838
5K → 10K729112+617#12838#12221
10K → 15K244140+104#12221#12117
15K → 20K165191-26#12117#12143
20K → Half2636-10#12143#12153
Half → 25K124135-11#12153#12164
25K → 30K179244-65#12164#12229
30K → 20M79127-48#12229#12277
20M → 21M70142-72#12277#12349
21M → 35K3381-48#12349#12397
35K → 23M69115-46#12397#12443
23M → 24M6777-10#12443#12453
24M → 40K5160-9#12453#12462
40K → 25.2M3140-9#12462#12471
25.2M → Finish6773-6#12471#12477
TOTALS19341573+361
📊

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