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BOSTON MARATHON 2023

Erica Hamilton

Bib: 18755•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #15167
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
50:56
Rank: #15821 (-654)
5K → 10K
25:35 | 8:14/mi
15K· 9.32 mi
1:16:38
Rank: #15986 (-165)
10K → 15K
25:42 | 8:16/mi
20K· 12.43 mi
1:42:37
Rank: #15968 (+18)
15K → 20K
25:59 | 8:22/mi
Half· 13.11 mi
1:48:17
Rank: #15992 (-24)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:08:25
Rank: #15802 (+190)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:34:57
Rank: #15566 (+236)
25K → 30K
26:32 | 8:32/mi
20M
2:46:23
Rank: #15361 (+205)
30K → 20M
11:26 | 8:25/mi
21M
2:55:17
Rank: #15187 (+174)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
3:01:31
Rank: #15155 (+32)
21M → 35K
6:14 | 8:20/mi
23M
3:12:06
Rank: #15004 (+151)
35K → 23M
10:35 | 8:27/mi
24M
3:20:35
Rank: #14952 (+52)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:28:27
Rank: #15022 (-70)
24M → 40K
7:52 | 9:12/mi
25.2M
3:31:47
Rank: #15034 (-12)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:40:21
Rank: #15025 (+9)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:52:04
Pace8:33 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4825:218:1025:21
8:10
-
10K
6.21 mi11:42:2350:568:1225:35
8:14
+0:04
15K
9.32 mi12:08:051:16:388:1325:42
8:16
+0:02
20K
12.43 mi12:34:041:42:378:1525:59
8:22
+0:06
Half
13.11 mi12:39:441:48:178:165:40
8:18
-0:04
25K
15.53 mi12:59:522:08:258:1620:08
8:18
0:00
30K
18.64 mi13:26:242:34:578:1926:32
8:32
+0:14
20M
20.00 mi13:37:502:46:238:1911:26
8:25
-0:07
21M
21.00 mi13:46:442:55:178:218:54
8:54
+0:29
35K
21.75 mi13:52:583:01:318:216:14
8:20
-0:34
23M
23.00 mi14:03:333:12:068:2110:35
8:27
+0:07
24M
24.00 mi14:12:023:20:358:218:29
8:29
+0:02
40K
24.85 mi14:19:543:28:278:237:52
9:12
+0:43
25.2M
25.20 mi14:23:143:31:478:243:20
9:40
+0:28
Finish
26.22 mi14:31:483:40:218:258:34
8:24
-1:16

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

8:10 /mi

Average Pace

8:25 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:09

95% of race

Time at Steady Pace

7:52

4% of race

Time at Slower Pace

3:20

2% of race

Average Pace: 8:24 /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 mi11:16:4825:218:1025:21
8:10
#15167
10K
6.21 mi11:42:2350:568:1225:35
8:14
#15821
15K
9.32 mi12:08:051:16:388:1325:42
8:16
#15986
20K
12.43 mi12:34:041:42:378:1525:59
8:22
#15968
Half
13.11 mi12:39:441:48:178:165:40
8:18
#15992
25K
15.53 mi12:59:522:08:258:1620:08
8:18
#15802
30K
18.64 mi13:26:242:34:578:1926:32
8:32
#15566
20M
20.00 mi13:37:502:46:238:1911:26
8:25
#15361
21M
21.00 mi13:46:442:55:178:218:54
8:54
#15187
35K
21.75 mi13:52:583:01:318:216:14
8:20
#15155
23M
23.00 mi14:03:333:12:068:2110:35
8:27
#15004
24M
24.00 mi14:12:023:20:358:218:29
8:29
#14952
40K
24.85 mi14:19:543:28:278:237:52
9:12
#15022
25.2M
25.20 mi14:23:143:31:478:243:20
9:40
#15034
Finish
26.22 mi14:31:483:40:218:258:34
8:24
#15025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi151674755475516374(Top 62%)5521(Top 48%)5521(Top 294%)
10K6.21 mi3.10 mi15821-6545175-4205175-42016510(Top 62%)5584(Top 49%)5584(Top 297%)
15K9.32 mi3.11 mi15986-1655275-1005275-10016374(Top 62%)5521(Top 48%)5521(Top 294%)
20K12.43 mi3.11 mi15968+185288-135288-1316034(Top 60%)5372(Top 47%)5372(Top 286%)
Half13.11 mi0.68 mi15992-245307-195307-1916594(Top 62%)5676(Top 50%)5676(Top 302%)
25K15.53 mi2.42 mi15802+1905214+935214+9315001(Top 56%)4843(Top 42%)4843(Top 258%)
30K18.64 mi3.11 mi15566+2365107+1075107+10714569(Top 55%)4672(Top 41%)4672(Top 249%)
20M20.00 mi1.36 mi15361+2055005+1025005+10213131(Top 49%)3937(Top 34%)3937(Top 210%)
21M21.00 mi1.00 mi15187+1744915+904915+9012890(Top 48%)3897(Top 34%)3897(Top 208%)
35K21.75 mi0.75 mi15155+324916-14916-114371(Top 54%)4785(Top 42%)4785(Top 255%)
23M23.00 mi1.25 mi15004+1514840+764840+7612960(Top 49%)4056(Top 36%)4056(Top 216%)
24M24.00 mi1.00 mi14952+524828+124828+1214436(Top 54%)4928(Top 43%)4928(Top 262%)
40K24.85 mi0.85 mi15022-704889-614889-6117139(Top 64%)6492(Top 57%)6492(Top 346%)
25.2M25.20 mi0.35 mi15034-124909-204909-2016069(Top 60%)5933(Top 52%)5933(Top 316%)
Finish26.22 mi1.02 mi15025+94925-164925-1614844(Top 56%)5189(Top 45%)5189(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16374

Females

5521

F40-44

5521

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16510

Females

5584

F40-44

5584

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16374

Females

5521

F40-44

5521

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16034

Females

5372

F40-44

5372

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16594

Females

5676

F40-44

5676

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15001

Females

4843

F40-44

4843

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14569

Females

4672

F40-44

4672

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13131

Females

3937

F40-44

3937

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12890

Females

3897

F40-44

3897

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14371

Females

4785

F40-44

4785

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12960

Females

4056

F40-44

4056

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14436

Females

4928

F40-44

4928

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17139

Females

6492

F40-44

6492

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16069

Females

5933

F40-44

5933

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14844

Females

5189

F40-44

5189

Passing Analysis

Category:
Athletes Passed
1823
Passed By
1681
Net Change
+142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15167
5K → 10K94748-654#15167#15821
10K → 15K133298-165#15821#15986
15K → 20K173155+18#15986#15968
20K → Half1943-24#15968#15992
Half → 25K23848+190#15992#15802
25K → 30K31074+236#15802#15566
30K → 20M21712+205#15566#15361
20M → 21M18915+174#15361#15187
21M → 35K6129+32#15187#15155
35K → 23M16312+151#15155#15004
23M → 24M8836+52#15004#14952
24M → 40K42112-70#14952#15022
40K → 25.2M3446-12#15022#15034
25.2M → Finish6253+9#15034#15025
TOTALS18231681+142
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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