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BOSTON MARATHON 2023

Erica Richardson

Bib: 12324•F

ID

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
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
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:01
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:31:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:36:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:54:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:19:16
↑ 181↓ 1480.2%
20M
7:41/mi
2:29:43
↑ 64↓ 500.2%
21M
8:45/mi
2:38:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:43:59
↑ 17↓ 861.7%
23M
7:40/mi
2:53:35
↑ 23↓ 630.6%
24M
7:43/mi
3:01:18
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:08:06
↓ 200.3%
25.2M
8:59/mi
3:11:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:18:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:43
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:42:15
Pace7:48 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4522:537:2222:53
7:22
-
10K
6.21 mi11:13:5346:017:2423:08
7:27
+0:05
15K
9.32 mi11:36:531:09:017:2423:00
7:24
-0:03
20K
12.43 mi11:59:371:31:457:2322:44
7:19
-0:05
Half
13.11 mi12:04:351:36:437:234:58
7:17
-0:02
25K
15.53 mi12:22:361:54:447:2318:01
7:26
+0:09
30K
18.64 mi12:47:082:19:167:2824:32
7:54
+0:28
20M
20.00 mi12:57:352:29:437:2910:27
7:41
-0:13
21M
21.00 mi13:06:202:38:287:338:45
8:45
+1:04
35K
21.75 mi13:11:512:43:597:325:31
7:22
-1:23
23M
23.00 mi13:21:272:53:357:339:36
7:40
+0:18
24M
24.00 mi13:29:103:01:187:337:43
7:43
+0:03
40K
24.85 mi13:35:583:08:067:346:48
7:57
+0:14
25.2M
25.20 mi13:39:043:11:127:353:06
8:59
+1:02
Finish
26.22 mi13:46:503:18:587:367:46
7:37
-1:22

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

7:17 /mi

Average Pace

7:36 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:06

28% of race

Time at Steady Pace

1:39:41

50% of race

Time at Slower Pace

43:11

22% of race

Average Pace: 7:35 /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 mi10:50:4522:537:2222:53
7:22
#8565
10K
6.21 mi11:13:5346:017:2423:08
7:27
#9224
15K
9.32 mi11:36:531:09:017:2423:00
7:24
#9223
20K
12.43 mi11:59:371:31:457:2322:44
7:19
#8873
Half
13.11 mi12:04:351:36:437:234:58
7:17
#8834
25K
15.53 mi12:22:361:54:447:2318:01
7:26
#8727
30K
18.64 mi12:47:082:19:167:2824:32
7:54
#8935
20M
20.00 mi12:57:352:29:437:2910:27
7:41
#8840
21M
21.00 mi13:06:202:38:287:338:45
8:45
#9000
35K
21.75 mi13:11:512:43:597:325:31
7:22
#8940
23M
23.00 mi13:21:272:53:357:339:36
7:40
#8835
24M
24.00 mi13:29:103:01:187:337:43
7:43
#8814
40K
24.85 mi13:35:583:08:067:346:48
7:57
#8849
25.2M
25.20 mi13:39:043:11:127:353:06
8:59
#8877
Finish
26.22 mi13:46:503:18:587:367:46
7:37
#8872
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8565122112219370(Top 35%)1571(Top 14%)1571(Top 32%)
10K6.21 mi3.10 mi9224-6591507-2861507-28610038(Top 38%)1840(Top 16%)1840(Top 38%)
15K9.32 mi3.11 mi9223+11509-21509-29370(Top 35%)1571(Top 14%)1571(Top 32%)
20K12.43 mi3.11 mi8873+3501386+1231386+1237929(Top 30%)1084(Top 9%)1084(Top 22%)
Half13.11 mi0.68 mi8834+391372+141372+148520(Top 32%)1299(Top 11%)1299(Top 27%)
25K15.53 mi2.42 mi8727+1071344+281344+288276(Top 31%)1286(Top 11%)1286(Top 26%)
30K18.64 mi3.11 mi8935-2081461-1171461-11710111(Top 38%)2210(Top 19%)2210(Top 45%)
20M20.00 mi1.36 mi8840+951441+201441+208133(Top 31%)1454(Top 13%)1454(Top 30%)
21M21.00 mi1.00 mi9000-1601533-921533-9211967(Top 45%)3369(Top 29%)3369(Top 69%)
35K21.75 mi0.75 mi8940+601517+161517+167685(Top 29%)1379(Top 12%)1379(Top 28%)
23M23.00 mi1.25 mi8835+1051504+131504+137574(Top 28%)1407(Top 12%)1407(Top 29%)
24M24.00 mi1.00 mi8814+211522-181522-189210(Top 35%)2198(Top 19%)2198(Top 45%)
40K24.85 mi0.85 mi8849-351560-381560-389743(Top 37%)2519(Top 22%)2519(Top 52%)
25.2M25.20 mi0.35 mi8877-281578-181578-1812470(Top 47%)3929(Top 34%)3929(Top 80%)
Finish26.22 mi1.02 mi8872+51588-101588-109430(Top 35%)2435(Top 21%)2435(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9370

Females

1571

F18-39

1571

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10038

Females

1840

F18-39

1840

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9370

Females

1571

F18-39

1571

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7929

Females

1084

F18-39

1084

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8520

Females

1299

F18-39

1299

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8276

Females

1286

F18-39

1286

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10111

Females

2210

F18-39

2210

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8133

Females

1454

F18-39

1454

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11967

Females

3369

F18-39

3369

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7685

Females

1379

F18-39

1379

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7574

Females

1407

F18-39

1407

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9210

Females

2198

F18-39

2198

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9743

Females

2519

F18-39

2519

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12470

Females

3929

F18-39

3929

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9430

Females

2435

F18-39

2435

Passing Analysis

Category:
Athletes Passed
1478
Passed By
1785
Net Change
-307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8565
5K → 10K68727-659#8565#9224
10K → 15K154153+1#9224#9223
15K → 20K36414+350#9223#8873
20K → Half456+39#8873#8834
Half → 25K16154+107#8834#8727
25K → 30K115323-208#8727#8935
30K → 20M12631+95#8935#8840
20M → 21M39199-160#8840#9000
21M → 35K7212+60#9000#8940
35K → 23M13328+105#8940#8835
23M → 24M7150+21#8835#8814
24M → 40K4681-35#8814#8849
40K → 25.2M2250-28#8849#8877
25.2M → Finish6257+5#8877#8872
TOTALS14781785-307
📊

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