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BOSTON MARATHON 2023

Amanda Day

Bib: 17605•F

AK

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F40-44)
#0 / 1878
Top 46%
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
8:09/mi
25:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:58
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:39:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:44:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:04:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:29:59
↑ 181↓ 1480.2%
20M
8:23/mi
2:41:23
↑ 64↓ 500.2%
21M
9:37/mi
2:51:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:57:14
↑ 17↓ 861.7%
23M
9:01/mi
3:08:31
↑ 23↓ 630.6%
24M
8:46/mi
3:17:17
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:24:47
↓ 200.3%
25.2M
10:12/mi
3:28:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:37:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:58
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:52:03
Pace8:33 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0025:198:0925:19
8:09
-
10K
6.21 mi11:40:3849:578:0224:38
7:56
-0:13
15K
9.32 mi12:05:391:14:588:0325:01
8:03
+0:07
20K
12.43 mi12:30:191:39:388:0124:40
7:56
-0:07
Half
13.11 mi12:35:391:44:588:005:20
7:49
-0:07
25K
15.53 mi12:54:552:04:148:0019:16
7:57
+0:08
30K
18.64 mi13:20:402:29:598:0325:45
8:17
+0:20
20M
20.00 mi13:32:042:41:238:0411:24
8:23
+0:06
21M
21.00 mi13:41:412:51:008:099:37
9:37
+1:14
35K
21.75 mi13:47:552:57:148:096:14
8:20
-1:17
23M
23.00 mi13:59:123:08:318:1211:17
9:01
+0:41
24M
24.00 mi14:07:583:17:178:138:46
8:46
-0:15
40K
24.85 mi14:15:283:24:478:147:30
8:46
0:00
25.2M
25.20 mi14:18:593:28:188:163:31
10:12
+1:26
Finish
26.22 mi14:27:423:37:018:178:43
8:33
-1:39

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

7:49 /mi

Average Pace

8:17 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:54

34% of race

Time at Steady Pace

1:42:26

47% of race

Time at Slower Pace

40:41

19% of race

Average Pace: 8:17 /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 mi11:16:0025:198:0925:19
8:09
#15076
10K
6.21 mi11:40:3849:578:0224:38
7:56
#14663
15K
9.32 mi12:05:391:14:588:0325:01
8:03
#14689
20K
12.43 mi12:30:191:39:388:0124:40
7:56
#14238
Half
13.11 mi12:35:391:44:588:005:20
7:49
#14168
25K
15.53 mi12:54:552:04:148:0019:16
7:57
#13851
30K
18.64 mi13:20:402:29:598:0325:45
8:17
#13644
20M
20.00 mi13:32:042:41:238:0411:24
8:23
#13585
21M
21.00 mi13:41:412:51:008:099:37
9:37
#13784
35K
21.75 mi13:47:552:57:148:096:14
8:20
#13804
23M
23.00 mi13:59:123:08:318:1211:17
9:01
#13936
24M
24.00 mi14:07:583:17:178:138:46
8:46
#14021
40K
24.85 mi14:15:283:24:478:147:30
8:46
#14052
25.2M
25.20 mi14:18:593:28:188:163:31
10:12
#14141
Finish
26.22 mi14:27:423:37:018:178:43
8:33
#14198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150764695469514827(Top 56%)4584(Top 40%)4584(Top 244%)
10K6.21 mi3.10 mi14663+4134444+2514444+25114246(Top 54%)4207(Top 37%)4207(Top 224%)
15K9.32 mi3.11 mi14689-264468-244468-2414827(Top 56%)4584(Top 40%)4584(Top 244%)
20K12.43 mi3.11 mi14238+4514222+2464222+24612964(Top 49%)3533(Top 31%)3533(Top 188%)
Half13.11 mi0.68 mi14168+704183+394183+3912970(Top 49%)3499(Top 31%)3499(Top 186%)
25K15.53 mi2.42 mi13851+3174023+1604023+16012305(Top 46%)3259(Top 29%)3259(Top 174%)
30K18.64 mi3.11 mi13644+2073923+1003923+10012969(Top 49%)3740(Top 33%)3740(Top 199%)
20M20.00 mi1.36 mi13585+593915+83915+812996(Top 49%)3865(Top 34%)3865(Top 206%)
21M21.00 mi1.00 mi13784-1994048-1334048-13316508(Top 62%)5912(Top 52%)5912(Top 315%)
35K21.75 mi0.75 mi13804-204076-284076-2814315(Top 54%)4732(Top 41%)4732(Top 252%)
23M23.00 mi1.25 mi13936-1324189-1134189-11316128(Top 61%)5808(Top 51%)5808(Top 309%)
24M24.00 mi1.00 mi14021-854265-764265-7616032(Top 60%)5819(Top 51%)5819(Top 310%)
40K24.85 mi0.85 mi14052-314304-394304-3914950(Top 56%)5265(Top 46%)5265(Top 280%)
25.2M25.20 mi0.35 mi14141-894370-664370-6618122(Top 68%)7002(Top 61%)7002(Top 373%)
Finish26.22 mi1.02 mi14198-574423-534423-5315744(Top 59%)5664(Top 50%)5664(Top 302%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14827

Females

4584

F40-44

4584

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14246

Females

4207

F40-44

4207

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14827

Females

4584

F40-44

4584

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12964

Females

3533

F40-44

3533

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12970

Females

3499

F40-44

3499

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12305

Females

3259

F40-44

3259

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12969

Females

3740

F40-44

3740

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12996

Females

3865

F40-44

3865

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16508

Females

5912

F40-44

5912

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14315

Females

4732

F40-44

4732

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16128

Females

5808

F40-44

5808

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16032

Females

5819

F40-44

5819

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14950

Females

5265

F40-44

5265

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18122

Females

7002

F40-44

7002

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15744

Females

5664

F40-44

5664

Passing Analysis

Category:
Athletes Passed
2312
Passed By
1434
Net Change
+878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15076
5K → 10K543130+413#15076#14663
10K → 15K180206-26#14663#14689
15K → 20K47625+451#14689#14238
20K → Half755+70#14238#14168
Half → 25K33316+317#14168#13851
25K → 30K28780+207#13851#13644
30K → 20M12768+59#13644#13585
20M → 21M41240-199#13585#13784
21M → 35K4565-20#13784#13804
35K → 23M49181-132#13804#13936
23M → 24M41126-85#13936#14021
24M → 40K5889-31#14021#14052
40K → 25.2M13102-89#14052#14141
25.2M → Finish44101-57#14141#14198
TOTALS23121434+878
📊

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