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BOSTON MARATHON 2023

Randi West

NJ

Bib: 13917 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:15/mi
25:39
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:16/mi
51:20
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:23/mi
1:17:24
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:39/mi
1:44:15
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:27/mi
1:50:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:55/mi
2:11:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:29/mi
2:41:06
↑ 181↓ 1480.2%
138 ft elev
20M
9:53/mi
2:54:32
↑ 64↓ 500.2%
148 ft elev
21M
11:01/mi
3:05:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:18/mi
3:14:00
↑ 17↓ 861.7%
156 ft elev
23M
9:34/mi
3:25:59
↑ 23↓ 630.6%
116 ft elev
24M
9:49/mi
3:35:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:28/mi
3:43:54
↓ 200.3%
20 ft elev
25.2M
10:21/mi
3:47:28
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:34/mi
3:57:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:01
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:07:12
Pace9:42 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0325:398:1525:39
8:15
-
10K
6.21 mi11:20:4451:208:1625:41
8:16
+0:01
15K
9.32 mi11:46:481:17:248:1826:04
8:23
+0:07
20K
12.43 mi12:13:391:44:158:2326:51
8:39
+0:16
Half
13.11 mi12:19:251:50:018:245:46
8:27
-0:12
25K
15.53 mi12:41:012:11:378:2821:36
8:55
+0:28
30K
18.64 mi13:10:302:41:068:3929:29
9:29
+0:34
20M
20.00 mi13:23:562:54:328:4413:26
9:53
+0:24
21M
21.00 mi13:34:573:05:338:5011:01
11:01
+1:08
35K
21.75 mi13:43:243:14:008:558:27
11:18
+0:17
23M
23.00 mi13:55:233:25:598:5711:59
9:34
-1:44
24M
24.00 mi14:05:123:35:489:009:49
9:49
+0:15
40K
24.85 mi14:13:183:43:549:008:06
9:28
-0:21
25.2M
25.20 mi14:16:523:47:289:023:34
10:21
+0:53
Finish
26.22 mi14:26:373:57:139:039:45
9:34
-0:47

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

8:15 /mi

Average Pace

9:03 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:37

55% of race

Time at Steady Pace

1:22:34

35% of race

Time at Slower Pace

23:02

10% of race

Average Pace: 9:03 /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 mi10:55:0325:398:1525:39
8:15
#15878
10K
6.21 mi11:20:4451:208:1625:41
8:16
#16255
15K
9.32 mi11:46:481:17:248:1826:04
8:23
#16554
20K
12.43 mi12:13:391:44:158:2326:51
8:39
#16856
Half
13.11 mi12:19:251:50:018:245:46
8:27
#16899
25K
15.53 mi12:41:012:11:378:2821:36
8:55
#17176
30K
18.64 mi13:10:302:41:068:3929:29
9:29
#17622
20M
20.00 mi13:23:562:54:328:4413:26
9:53
#17891
21M
21.00 mi13:34:573:05:338:5011:01
11:01
#18201
35K
21.75 mi13:43:243:14:008:558:27
11:18
#18600
23M
23.00 mi13:55:233:25:598:5711:59
9:34
#18600
24M
24.00 mi14:05:123:35:489:009:49
9:49
#18712
40K
24.85 mi14:13:183:43:549:008:06
9:28
#18706
25.2M
25.20 mi14:16:523:47:289:023:34
10:21
#18712
Finish
26.22 mi14:26:373:57:139:039:45
9:34
#18806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158785203520317098(Top 64%)5986(Top 52%)5986(Top 329%)
10K6.21 mi3.10 mi16255-3775431-2285431-22816712(Top 63%)5702(Top 50%)5702(Top 314%)
15K9.32 mi3.11 mi16554-2995635-2045635-20417098(Top 64%)5986(Top 52%)5986(Top 329%)
20K12.43 mi3.11 mi16856-3025840-2055840-20517764(Top 67%)6382(Top 56%)6382(Top 351%)
Half13.11 mi0.68 mi16899-435866-265866-2617524(Top 66%)6207(Top 54%)6207(Top 342%)
25K15.53 mi2.42 mi17176-2776048-1826048-18218519(Top 70%)6862(Top 60%)6862(Top 378%)
30K18.64 mi3.11 mi17622-4466333-2856333-28519405(Top 73%)7419(Top 65%)7419(Top 408%)
20M20.00 mi1.36 mi17891-2696520-1876520-18720138(Top 76%)7941(Top 70%)7941(Top 437%)
21M21.00 mi1.00 mi18201-3106723-2036723-20320870(Top 78%)8387(Top 73%)8387(Top 462%)
35K21.75 mi0.75 mi18600-3996934-2116934-21123797(Top 89%)10035(Top 88%)10035(Top 552%)
23M23.00 mi1.25 mi186006947-136947-1318620(Top 70%)7197(Top 63%)7197(Top 396%)
24M24.00 mi1.00 mi18712-1127034-877034-8720288(Top 76%)8141(Top 71%)8141(Top 448%)
40K24.85 mi0.85 mi18706+67040-67040-618262(Top 69%)7082(Top 62%)7082(Top 390%)
25.2M25.20 mi0.35 mi18712-67054-147054-1418643(Top 70%)7305(Top 64%)7305(Top 402%)
Finish26.22 mi1.02 mi18806-947106-527106-5220363(Top 76%)8220(Top 72%)8220(Top 452%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17098

Females

5986

F45-49

5986

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16712

Females

5702

F45-49

5702

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17098

Females

5986

F45-49

5986

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17764

Females

6382

F45-49

6382

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17524

Females

6207

F45-49

6207

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18519

Females

6862

F45-49

6862

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19405

Females

7419

F45-49

7419

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20138

Females

7941

F45-49

7941

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20870

Females

8387

F45-49

8387

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23797

Females

10035

F45-49

10035

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18620

Females

7197

F45-49

7197

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20288

Females

8141

F45-49

8141

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18262

Females

7082

F45-49

7082

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18643

Females

7305

F45-49

7305

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20363

Females

8220

F45-49

8220

Passing Analysis

Category:
Athletes Passed
746
Passed By
3674
Net Change
-2928
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15878
5K → 10K151528-377#15878#16255
10K → 15K102401-299#16255#16554
15K → 20K91393-302#16554#16856
20K → Half1558-43#16856#16899
Half → 25K59336-277#16899#17176
25K → 30K74520-446#17176#17622
30K → 20M32301-269#17622#17891
20M → 21M28338-310#17891#18201
21M → 35K5404-399#18201#18600
35K → 23M75750#18600#18600
23M → 24M25137-112#18600#18712
24M → 40K5448+6#18712#18706
40K → 25.2M2228-6#18706#18712
25.2M → Finish13107-94#18712#18806
TOTALS7463674-2928
📊

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