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BOSTON MARATHON 2023

Amy Biggs

Bib: 15830•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
8:31/mi
26:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
52:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:19:11
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:46:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:46/mi
1:52:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:46/mi
2:16:15
↑ 66↓ 880.2%
30K· 18.64 mi
10:54/mi
2:50:08
↑ 181↓ 1480.2%
20M
11:09/mi
3:05:17
↑ 64↓ 500.2%
21M
14:20/mi
3:19:37
↑ 106↓ 241.6%
35K· 21.75 mi
12:17/mi
3:28:48
↑ 17↓ 861.7%
23M
10:41/mi
3:42:10
↑ 23↓ 630.6%
24M
11:34/mi
3:53:44
↓ 821.3%
40K· 24.85 mi
11:38/mi
4:03:41
↓ 200.3%
25.2M
13:52/mi
4:08:28
↑ 13↓ 160.2%
Finish· 26.22 mi
10:23/mi
4:19:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:34
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:26:29
Pace11:10 /mi
📊Positive Split: 30.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3326:278:3126:27
8:31
-
10K
6.21 mi11:23:4452:388:2826:11
8:26
-0:05
15K
9.32 mi11:50:171:19:118:3026:33
8:33
+0:07
20K
12.43 mi12:17:411:46:358:3527:24
8:49
+0:16
Half
13.11 mi12:23:401:52:348:355:59
8:46
-0:03
25K
15.53 mi12:47:212:16:158:4623:41
9:46
+1:00
30K
18.64 mi13:21:142:50:089:0833:53
10:54
+1:08
20M
20.00 mi13:36:233:05:179:1615:09
11:09
+0:15
21M
21.00 mi13:50:433:19:379:3014:20
14:20
+3:11
35K
21.75 mi13:59:543:28:489:369:11
12:17
-2:03
23M
23.00 mi14:13:163:42:109:4013:22
10:41
-1:36
24M
24.00 mi14:24:503:53:449:4411:34
11:34
+0:53
40K
24.85 mi14:34:474:03:419:489:57
11:38
+0:04
25.2M
25.20 mi14:39:344:08:289:524:47
13:52
+2:14
Finish
26.22 mi14:50:094:19:039:5310:35
10:23
-3:29

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

8:26 /mi

Average Pace

9:53 /mi

Slowest Pace

14:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:15

53% of race

Time at Steady Pace

1:24:33

33% of race

Time at Slower Pace

38:15

15% of race

Average Pace: 9:53 /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 mi10:57:3326:278:3126:27
8:31
#17663
10K
6.21 mi11:23:4452:388:2826:11
8:26
#17727
15K
9.32 mi11:50:171:19:118:3026:33
8:33
#17836
20K
12.43 mi12:17:411:46:358:3527:24
8:49
#18071
Half
13.11 mi12:23:401:52:348:355:59
8:46
#18127
25K
15.53 mi12:47:212:16:158:4623:41
9:46
#18951
30K
18.64 mi13:21:142:50:089:0833:53
10:54
#20178
20M
20.00 mi13:36:233:05:179:1615:09
11:09
#20493
21M
21.00 mi13:50:433:19:379:3014:20
14:20
#21044
35K
21.75 mi13:59:543:28:489:369:11
12:17
#21298
23M
23.00 mi14:13:163:42:109:4013:22
10:41
#21331
24M
24.00 mi14:24:503:53:449:4411:34
11:34
#21506
40K
24.85 mi14:34:474:03:419:489:57
11:38
#21625
25.2M
25.20 mi14:39:344:08:289:524:47
13:52
#21706
Finish
26.22 mi14:50:094:19:039:5310:35
10:23
#21744
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi176636355635518139(Top 68%)6587(Top 58%)6587(Top 808%)
10K6.21 mi3.10 mi17727-646365-106365-1017795(Top 67%)6372(Top 56%)6372(Top 782%)
15K9.32 mi3.11 mi17836-1096426-616426-6118139(Top 68%)6587(Top 58%)6587(Top 808%)
20K12.43 mi3.11 mi18071-2356558-1326558-13218797(Top 71%)6966(Top 61%)6966(Top 855%)
Half13.11 mi0.68 mi18127-566585-276585-2719401(Top 73%)7334(Top 64%)7334(Top 900%)
25K15.53 mi2.42 mi18951-8247092-5077092-50721660(Top 81%)8647(Top 76%)8647(Top 1061%)
30K18.64 mi3.11 mi20178-12277830-7387830-73822951(Top 86%)9438(Top 83%)9438(Top 1158%)
20M20.00 mi1.36 mi20493-3158017-1878017-18722946(Top 86%)9475(Top 83%)9475(Top 1163%)
21M21.00 mi1.00 mi21044-5518342-3258342-32525315(Top 95%)10767(Top 94%)10767(Top 1321%)
35K21.75 mi0.75 mi21298-2548479-1378479-13724951(Top 94%)10629(Top 93%)10629(Top 1304%)
23M23.00 mi1.25 mi21331-338513-348513-3421712(Top 82%)8914(Top 78%)8914(Top 1094%)
24M24.00 mi1.00 mi21506-1758619-1068619-10623964(Top 90%)10145(Top 89%)10145(Top 1245%)
40K24.85 mi0.85 mi21625-1198690-718690-7123425(Top 88%)9895(Top 87%)9895(Top 1214%)
25.2M25.20 mi0.35 mi21706-818744-548744-5424903(Top 94%)10640(Top 93%)10640(Top 1306%)
Finish26.22 mi1.02 mi21744-388764-208764-2022773(Top 86%)9537(Top 83%)9537(Top 1170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18139

Females

6587

F55-59

6587

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17795

Females

6372

F55-59

6372

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18139

Females

6587

F55-59

6587

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18797

Females

6966

F55-59

6966

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19401

Females

7334

F55-59

7334

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21660

Females

8647

F55-59

8647

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22951

Females

9438

F55-59

9438

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22946

Females

9475

F55-59

9475

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25315

Females

10767

F55-59

10767

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24951

Females

10629

F55-59

10629

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21712

Females

8914

F55-59

8914

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23964

Females

10145

F55-59

10145

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23425

Females

9895

F55-59

9895

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24903

Females

10640

F55-59

10640

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22773

Females

9537

F55-59

9537

Passing Analysis

Category:
Athletes Passed
728
Passed By
4809
Net Change
-4081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17663
5K → 10K288352-64#17663#17727
10K → 15K149258-109#17727#17836
15K → 20K107342-235#17836#18071
20K → Half1066-56#18071#18127
Half → 25K15839-824#18127#18951
25K → 30K151242-1227#18951#20178
30K → 20M22337-315#20178#20493
20M → 21M4555-551#20493#21044
21M → 35K6260-254#21044#21298
35K → 23M5992-33#21298#21331
23M → 24M11186-175#21331#21506
24M → 40K16135-119#21506#21625
40K → 25.2M788-81#21625#21706
25.2M → Finish1957-38#21706#21744
TOTALS7284809-4081
📊

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