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BOSTON MARATHON 2023

Amy Ellett

Bib: 12385•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F40-44)
#0 / 1878
Top 38%
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
8:22/mi
25:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
52:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:18:20
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:44:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:50:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:10:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:35:28
↑ 181↓ 1480.2%
20M
7:58/mi
2:46:18
↑ 64↓ 500.2%
21M
8:10/mi
2:54:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
3:00:10
↑ 17↓ 861.7%
23M
7:43/mi
3:09:50
↑ 23↓ 630.6%
24M
7:29/mi
3:17:19
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:23:51
↓ 200.3%
25.2M
7:58/mi
3:26:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:34:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:50:11
Pace8:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:52
Pace7:55 /mi
📊Negative Split: 5.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0225:598:2225:59
8:22
-
10K
6.21 mi11:20:2252:198:2526:20
8:29
+0:07
15K
9.32 mi11:46:231:18:208:2426:01
8:22
-0:07
20K
12.43 mi12:12:341:44:318:2526:11
8:26
+0:04
Half
13.11 mi12:18:141:50:118:245:40
8:18
-0:08
25K
15.53 mi12:38:172:10:148:2320:03
8:16
-0:02
30K
18.64 mi13:03:312:35:288:2025:14
8:07
-0:09
20M
20.00 mi13:14:212:46:188:1910:50
7:58
-0:09
21M
21.00 mi13:22:312:54:288:188:10
8:10
+0:12
35K
21.75 mi13:28:133:00:108:175:42
7:37
-0:33
23M
23.00 mi13:37:533:09:508:159:40
7:43
+0:06
24M
24.00 mi13:45:223:17:198:137:29
7:29
-0:14
40K
24.85 mi13:51:543:23:518:126:32
7:38
+0:09
25.2M
25.20 mi13:54:393:26:368:122:45
7:58
+0:20
Finish
26.22 mi14:02:063:34:038:107:27
7:19
-0:39

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

7:19 /mi

Average Pace

8:10 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:25

24% of race

Time at Steady Pace

2:43:38

76% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi10:54:0225:598:2225:59
8:22
#16598
10K
6.21 mi11:20:2252:198:2526:20
8:29
#17341
15K
9.32 mi11:46:231:18:208:2426:01
8:22
#17220
20K
12.43 mi12:12:341:44:318:2526:11
8:26
#17009
Half
13.11 mi12:18:141:50:118:245:40
8:18
#16976
25K
15.53 mi12:38:172:10:148:2320:03
8:16
#16635
30K
18.64 mi13:03:312:35:288:2025:14
8:07
#15749
20M
20.00 mi13:14:212:46:188:1910:50
7:58
#15329
21M
21.00 mi13:22:312:54:288:188:10
8:10
#14940
35K
21.75 mi13:28:133:00:108:175:42
7:37
#14741
23M
23.00 mi13:37:533:09:508:159:40
7:43
#14355
24M
24.00 mi13:45:223:17:198:137:29
7:29
#14029
40K
24.85 mi13:51:543:23:518:126:32
7:38
#13780
25.2M
25.20 mi13:54:393:26:368:122:45
7:58
#13634
Finish
26.22 mi14:02:063:34:038:107:27
7:19
#13350
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165985663566316989(Top 64%)5903(Top 52%)5903(Top 314%)
10K6.21 mi3.10 mi17341-7436132-4696132-46918102(Top 68%)6531(Top 57%)6531(Top 348%)
15K9.32 mi3.11 mi17220+1216042+906042+9016989(Top 64%)5903(Top 52%)5903(Top 314%)
20K12.43 mi3.11 mi17009+2115930+1125930+11216413(Top 62%)5592(Top 49%)5592(Top 298%)
Half13.11 mi0.68 mi16976+335912+185912+1816506(Top 62%)5589(Top 49%)5589(Top 298%)
25K15.53 mi2.42 mi16635+3415717+1955717+19514731(Top 55%)4660(Top 41%)4660(Top 248%)
30K18.64 mi3.11 mi15749+8865224+4935224+49311817(Top 44%)3077(Top 27%)3077(Top 164%)
20M20.00 mi1.36 mi15329+4204982+2424982+24210116(Top 38%)2298(Top 20%)2298(Top 122%)
21M21.00 mi1.00 mi14940+3894755+2274755+2278467(Top 32%)1722(Top 15%)1722(Top 92%)
35K21.75 mi0.75 mi14741+1994649+1064649+1069473(Top 36%)2150(Top 19%)2150(Top 114%)
23M23.00 mi1.25 mi14355+3864447+2024447+2027913(Top 30%)1560(Top 14%)1560(Top 83%)
24M24.00 mi1.00 mi14029+3264268+1794268+1797645(Top 29%)1550(Top 14%)1550(Top 83%)
40K24.85 mi0.85 mi13780+2494130+1384130+1387621(Top 29%)1628(Top 14%)1628(Top 87%)
25.2M25.20 mi0.35 mi13634+1464047+834047+836475(Top 24%)1259(Top 11%)1259(Top 67%)
Finish26.22 mi1.02 mi13350+2843904+1433904+1437241(Top 27%)1534(Top 13%)1534(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16989

Females

5903

F40-44

5903

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18102

Females

6531

F40-44

6531

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16989

Females

5903

F40-44

5903

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16413

Females

5592

F40-44

5592

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16506

Females

5589

F40-44

5589

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14731

Females

4660

F40-44

4660

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11817

Females

3077

F40-44

3077

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10116

Females

2298

F40-44

2298

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8467

Females

1722

F40-44

1722

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9473

Females

2150

F40-44

2150

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7913

Females

1560

F40-44

1560

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7645

Females

1550

F40-44

1550

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7621

Females

1628

F40-44

1628

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6475

Females

1259

F40-44

1259

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7241

Females

1534

F40-44

1534

Passing Analysis

Category:
Athletes Passed
4326
Passed By
1078
Net Change
+3248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16598
5K → 10K92835-743#16598#17341
10K → 15K253132+121#17341#17220
15K → 20K29180+211#17220#17009
20K → Half4714+33#17009#16976
Half → 25K3498+341#16976#16635
25K → 30K8882+886#16635#15749
30K → 20M4200+420#15749#15329
20M → 21M3890+389#15329#14940
21M → 35K1990+199#14940#14741
35K → 23M3860+386#14741#14355
23M → 24M3260+326#14355#14029
24M → 40K2512+249#14029#13780
40K → 25.2M1482+146#13780#13634
25.2M → Finish2873+284#13634#13350
TOTALS43261078+3248
📊

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