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BOSTON MARATHON 2023

Amelia Tarrant

Bib: 25279•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:10:57
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:34:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:40:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:58:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:23:31
↑ 181↓ 1480.2%
20M
8:01/mi
2:34:25
↑ 64↓ 500.2%
21M
8:14/mi
2:42:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:48:35
↑ 17↓ 861.7%
23M
8:08/mi
2:58:46
↑ 23↓ 630.6%
24M
7:59/mi
3:06:45
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:13:35
↓ 200.3%
25.2M
8:27/mi
3:16:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:24:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:07
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:1823:397:3723:39
7:37
-
10K
6.21 mi12:02:5247:137:3623:34
7:35
-0:02
15K
9.32 mi12:26:361:10:577:3723:44
7:38
+0:03
20K
12.43 mi12:50:311:34:527:3823:55
7:42
+0:04
Half
13.11 mi12:55:461:40:077:385:15
7:42
0:00
25K
15.53 mi13:14:331:58:547:3918:47
7:45
+0:03
30K
18.64 mi13:39:102:23:317:4224:37
7:55
+0:10
20M
20.00 mi13:50:042:34:257:4310:54
8:01
+0:06
21M
21.00 mi13:58:182:42:397:458:14
8:14
+0:13
35K
21.75 mi14:04:142:48:357:455:56
7:56
-0:18
23M
23.00 mi14:14:252:58:467:4610:11
8:08
+0:12
24M
24.00 mi14:22:243:06:457:477:59
7:59
-0:09
40K
24.85 mi14:29:143:13:357:476:50
8:00
+0:01
25.2M
25.20 mi14:32:093:16:307:482:55
8:27
+0:27
Finish
26.22 mi14:40:073:24:287:487:58
7:49
-0:38

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

7:35 /mi

Average Pace

7:48 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:33

99% of race

Time at Steady Pace

2:55

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi11:39:1823:397:3723:39
7:37
#10660
10K
6.21 mi12:02:5247:137:3623:34
7:35
#10919
15K
9.32 mi12:26:361:10:577:3723:44
7:38
#11036
20K
12.43 mi12:50:311:34:527:3823:55
7:42
#10992
Half
13.11 mi12:55:461:40:077:385:15
7:42
#11015
25K
15.53 mi13:14:331:58:547:3918:47
7:45
#10941
30K
18.64 mi13:39:102:23:317:4224:37
7:55
#10770
20M
20.00 mi13:50:042:34:257:4310:54
8:01
#10721
21M
21.00 mi13:58:182:42:397:458:14
8:14
#10581
35K
21.75 mi14:04:142:48:357:455:56
7:56
#10589
23M
23.00 mi14:14:252:58:467:4610:11
8:08
#10585
24M
24.00 mi14:22:243:06:457:477:59
7:59
#10601
40K
24.85 mi14:29:143:13:357:476:50
8:00
#10540
25.2M
25.20 mi14:32:093:16:307:482:55
8:27
#10512
Finish
26.22 mi14:40:073:24:287:487:58
7:49
#10502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106602166216611350(Top 43%)2541(Top 22%)2541(Top 52%)
10K6.21 mi3.10 mi10919-2592284-1182284-11811195(Top 42%)2427(Top 21%)2427(Top 50%)
15K9.32 mi3.11 mi11036-1172350-662350-6611350(Top 43%)2541(Top 22%)2541(Top 52%)
20K12.43 mi3.11 mi10992+442328+222328+2210920(Top 41%)2369(Top 21%)2369(Top 49%)
Half13.11 mi0.68 mi11015-232337-92337-911877(Top 45%)2829(Top 25%)2829(Top 58%)
25K15.53 mi2.42 mi10941+742318+192318+1910687(Top 40%)2329(Top 20%)2329(Top 48%)
30K18.64 mi3.11 mi10770+1712284+342284+3410326(Top 39%)2316(Top 20%)2316(Top 47%)
20M20.00 mi1.36 mi10721+492295-112295-1110446(Top 39%)2454(Top 21%)2454(Top 50%)
21M21.00 mi1.00 mi10581+1402239+562239+568827(Top 33%)1854(Top 16%)1854(Top 38%)
35K21.75 mi0.75 mi10589-82270-312270-3111624(Top 44%)3203(Top 28%)3203(Top 66%)
23M23.00 mi1.25 mi10585+42298-282298-2810723(Top 40%)2878(Top 25%)2878(Top 59%)
24M24.00 mi1.00 mi10601-162327-292327-2911128(Top 42%)3152(Top 28%)3152(Top 65%)
40K24.85 mi0.85 mi10540+612330-32330-310019(Top 38%)2656(Top 23%)2656(Top 54%)
25.2M25.20 mi0.35 mi10512+282325+52325+59317(Top 35%)2376(Top 21%)2376(Top 49%)
Finish26.22 mi1.02 mi10502+102346-212346-2110817(Top 41%)3091(Top 27%)3091(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11350

Females

2541

F18-39

2541

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11195

Females

2427

F18-39

2427

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11350

Females

2541

F18-39

2541

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10920

Females

2369

F18-39

2369

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11877

Females

2829

F18-39

2829

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10687

Females

2329

F18-39

2329

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10326

Females

2316

F18-39

2316

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10446

Females

2454

F18-39

2454

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8827

Females

1854

F18-39

1854

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11624

Females

3203

F18-39

3203

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10723

Females

2878

F18-39

2878

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11128

Females

3152

F18-39

3152

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10019

Females

2656

F18-39

2656

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9317

Females

2376

F18-39

2376

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10817

Females

3091

F18-39

3091

Passing Analysis

Category:
Athletes Passed
1612*
Passed By
1454
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10660
5K → 10K184443-259#10660#10919
10K → 15K137254-117#10919#11036
15K → 20K181137+44#11036#10992
20K → Half1639-23#10992#11015
Half → 25K15379+74#11015#10941
25K → 30K26695+171#10941#10770
30K → 20M105*56+49#10770#10721
20M → 21M15111+140#10721#10581
21M → 35K5361-8#10581#10589
35K → 23M8278+4#10589#10585
23M → 24M6379-16#10585#10601
24M → 40K9938+61#10601#10540
40K → 25.2M3810+28#10540#10512
25.2M → Finish8474+10#10512#10502
TOTALS1612*1454+158

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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