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BOSTON MARATHON 2023

O'Neal Crawford

Bib: 15571•F

AL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 33%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:13:07
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:37:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:43:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:02:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:29:01
↑ 181↓ 1480.2%
20M
8:34/mi
2:40:40
↑ 64↓ 500.2%
21M
9:05/mi
2:49:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:55:58
↑ 17↓ 861.7%
23M
8:39/mi
3:06:48
↑ 23↓ 630.6%
24M
8:29/mi
3:15:17
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:22:47
↓ 200.3%
25.2M
8:54/mi
3:25:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:33:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:11
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2924:047:4524:04
7:45
-
10K
6.21 mi11:18:4948:247:4724:20
7:50
+0:05
15K
9.32 mi11:43:321:13:077:5124:43
7:57
+0:07
20K
12.43 mi12:08:161:37:517:5224:44
7:58
+0:01
Half
13.11 mi12:13:361:43:117:525:20
7:49
-0:09
25K
15.53 mi12:33:182:02:537:5519:42
8:08
+0:19
30K
18.64 mi12:59:262:29:018:0026:08
8:25
+0:17
20M
20.00 mi13:11:052:40:408:0211:39
8:34
+0:09
21M
21.00 mi13:20:102:49:458:059:05
9:05
+0:31
35K
21.75 mi13:26:232:55:588:056:13
8:19
-0:46
23M
23.00 mi13:37:133:06:488:0710:50
8:39
+0:20
24M
24.00 mi13:45:423:15:178:088:29
8:29
-0:10
40K
24.85 mi13:53:123:22:478:107:30
8:46
+0:17
25.2M
25.20 mi13:56:163:25:518:103:04
8:54
+0:08
Finish
26.22 mi14:03:583:33:338:097:42
7:33
-1:21

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

7:33 /mi

Average Pace

8:09 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:53

52% of race

Time at Steady Pace

1:00:32

28% of race

Time at Slower Pace

42:08

20% of race

Average Pace: 8:09 /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 mi10:54:2924:047:4524:04
7:45
#11901
10K
6.21 mi11:18:4948:247:4724:20
7:50
#12603
15K
9.32 mi11:43:321:13:077:5124:43
7:57
#13086
20K
12.43 mi12:08:161:37:517:5224:44
7:58
#13077
Half
13.11 mi12:13:361:43:117:525:20
7:49
#13056
25K
15.53 mi12:33:182:02:537:5519:42
8:08
#13146
30K
18.64 mi12:59:262:29:018:0026:08
8:25
#13253
20M
20.00 mi13:11:052:40:408:0211:39
8:34
#13298
21M
21.00 mi13:20:102:49:458:059:05
9:05
#13327
35K
21.75 mi13:26:232:55:588:056:13
8:19
#13341
23M
23.00 mi13:37:133:06:488:0710:50
8:39
#13365
24M
24.00 mi13:45:423:15:178:088:29
8:29
#13399
40K
24.85 mi13:53:123:22:478:107:30
8:46
#13444
25.2M
25.20 mi13:56:163:25:518:103:04
8:54
#13397
Finish
26.22 mi14:03:583:33:338:097:42
7:33
#13201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119012815281514041(Top 53%)4110(Top 36%)4110(Top 84%)
10K6.21 mi3.10 mi12603-7023214-3993214-39913418(Top 50%)3668(Top 32%)3668(Top 75%)
15K9.32 mi3.11 mi13086-4833515-3013515-30114041(Top 53%)4110(Top 36%)4110(Top 84%)
20K12.43 mi3.11 mi13077+93529-143529-1413119(Top 49%)3612(Top 32%)3612(Top 74%)
Half13.11 mi0.68 mi13056+213517+123517+1212947(Top 49%)3476(Top 30%)3476(Top 71%)
25K15.53 mi2.42 mi13146-903580-633580-6313689(Top 51%)4024(Top 35%)4024(Top 82%)
30K18.64 mi3.11 mi13253-1073699-1193699-11913765(Top 52%)4191(Top 37%)4191(Top 86%)
20M20.00 mi1.36 mi13298-453734-353734-3514081(Top 53%)4453(Top 39%)4453(Top 91%)
21M21.00 mi1.00 mi13327-293767-333767-3313901(Top 52%)4434(Top 39%)4434(Top 91%)
35K21.75 mi0.75 mi13341-143795-283795-2814163(Top 53%)4643(Top 41%)4643(Top 95%)
23M23.00 mi1.25 mi13365-243835-403835-4014091(Top 53%)4666(Top 41%)4666(Top 96%)
24M24.00 mi1.00 mi13399-343870-353870-3514393(Top 54%)4887(Top 43%)4887(Top 100%)
40K24.85 mi0.85 mi13444-453924-543924-5414944(Top 56%)5259(Top 46%)5259(Top 108%)
25.2M25.20 mi0.35 mi13397+473910+143910+1411976(Top 45%)3714(Top 33%)3714(Top 76%)
Finish26.22 mi1.02 mi13201+1963815+953815+959017(Top 34%)2268(Top 20%)2268(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14041

Females

4110

F18-39

4110

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13418

Females

3668

F18-39

3668

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14041

Females

4110

F18-39

4110

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13119

Females

3612

F18-39

3612

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12947

Females

3476

F18-39

3476

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13689

Females

4024

F18-39

4024

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13765

Females

4191

F18-39

4191

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14081

Females

4453

F18-39

4453

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13901

Females

4434

F18-39

4434

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14163

Females

4643

F18-39

4643

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14091

Females

4666

F18-39

4666

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14393

Females

4887

F18-39

4887

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14944

Females

5259

F18-39

5259

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11976

Females

3714

F18-39

3714

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9017

Females

2268

F18-39

2268

Passing Analysis

Category:
Athletes Passed
1322
Passed By
2622
Net Change
-1300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11901
5K → 10K90792-702#11901#12603
10K → 15K63546-483#12603#13086
15K → 20K183174+9#13086#13077
20K → Half4524+21#13077#13056
Half → 25K116206-90#13056#13146
25K → 30K160267-107#13146#13253
30K → 20M75120-45#13253#13298
20M → 21M73102-29#13298#13327
21M → 35K4963-14#13327#13341
35K → 23M89113-24#13341#13365
23M → 24M6397-34#13365#13399
24M → 40K4691-45#13399#13444
40K → 25.2M6316+47#13444#13397
25.2M → Finish20711+196#13397#13201
TOTALS13222622-1300
📊

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