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BOSTON MARATHON 2023

Angie Chambers

Bib: 22628•F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F50-54)
#0 / 1207
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:00
Rank: #16653
Start → 5K
8:22/mi
26:00 split
10K· 6.21 mi
51:20
Rank: #16250 (+403)
5K → 10K
8:09/mi
25:20 split
15K· 9.32 mi
1:17:15
Rank: #16445 (-195)
10K → 15K
8:21/mi
25:55 split
20K· 12.43 mi
1:43:20
Rank: #16400 (+45)
15K → 20K
8:24/mi
26:05 split
Half· 13.11 mi
1:48:55
Rank: #16358 (+42)
20K → Half
8:11/mi
5:35 split
25K· 15.53 mi
2:10:08
Rank: #16594 (-236)
Half → 25K
8:45/mi
21:13 split
30K· 18.64 mi
2:37:38
Rank: #16501 (+93)
25K → 30K
8:51/mi
27:30 split
20M
2:49:55
Rank: #16507 (-6)
30K → 20M
9:02/mi
12:17 split
21M
2:59:28
Rank: #16465 (+42)
20M → 21M
9:33/mi
9:33 split
35K· 21.75 mi
3:05:56
Rank: #16449 (+16)
21M → 35K
8:39/mi
6:28 split
23M
3:17:09
Rank: #16398 (+51)
35K → 23M
8:58/mi
11:13 split
24M
3:25:58
Rank: #16390 (+8)
23M → 24M
8:49/mi
8:49 split
40K· 24.85 mi
3:33:41
Rank: #16370 (+20)
24M → 40K
9:02/mi
7:43 split
25.2M
3:37:02
Rank: #16370
40K → 25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:46:19
Rank: #16466 (-96)
25.2M → Finish
9:07/mi
9:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:55
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:57:24
Pace8:57 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5126:008:2226:00
8:22
-
10K
6.21 mi11:45:1151:208:1625:20
8:09
-0:13
15K
9.32 mi12:11:061:17:158:1725:55
8:21
+0:12
20K
12.43 mi12:37:111:43:208:1926:05
8:24
+0:03
Half
13.11 mi12:42:461:48:558:185:35
8:11
-0:13
25K
15.53 mi13:03:592:10:088:2321:13
8:45
+0:34
30K
18.64 mi13:31:292:37:388:2727:30
8:51
+0:06
20M
20.00 mi13:43:462:49:558:3012:17
9:02
+0:11
21M
21.00 mi13:53:192:59:288:339:33
9:33
+0:31
35K
21.75 mi13:59:473:05:568:336:28
8:39
-0:54
23M
23.00 mi14:11:003:17:098:3411:13
8:58
+0:19
24M
24.00 mi14:19:493:25:588:358:49
8:49
-0:09
40K
24.85 mi14:27:323:33:418:367:43
9:02
+0:13
25.2M
25.20 mi14:30:533:37:028:373:21
9:43
+0:41
Finish
26.22 mi14:40:103:46:198:389:17
9:07
-0:36

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

8:09 /mi

Average Pace

8:38 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:55

76% of race

Time at Steady Pace

50:03

22% of race

Time at Slower Pace

3:21

1% of race

Average Pace: 8:38 /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 mi11:19:5126:008:2226:00
8:22
#16653
10K
6.21 mi11:45:1151:208:1625:20
8:09
#16250
15K
9.32 mi12:11:061:17:158:1725:55
8:21
#16445
20K
12.43 mi12:37:111:43:208:1926:05
8:24
#16400
Half
13.11 mi12:42:461:48:558:185:35
8:11
#16358
25K
15.53 mi13:03:592:10:088:2321:13
8:45
#16594
30K
18.64 mi13:31:292:37:388:2727:30
8:51
#16501
20M
20.00 mi13:43:462:49:558:3012:17
9:02
#16507
21M
21.00 mi13:53:192:59:288:339:33
9:33
#16465
35K
21.75 mi13:59:473:05:568:336:28
8:39
#16449
23M
23.00 mi14:11:003:17:098:3411:13
8:58
#16398
24M
24.00 mi14:19:493:25:588:358:49
8:49
#16390
40K
24.85 mi14:27:323:33:418:367:43
9:02
#16370
25.2M
25.20 mi14:30:533:37:028:373:21
9:43
#16370
Finish
26.22 mi14:40:103:46:198:389:17
9:07
#16466
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi166535701570116811(Top 63%)5803(Top 51%)5803(Top 481%)
10K6.21 mi3.10 mi16250+4035426+2755426+27515956(Top 60%)5253(Top 46%)5253(Top 435%)
15K9.32 mi3.11 mi16445-1955554-1285554-12816811(Top 63%)5803(Top 51%)5803(Top 481%)
20K12.43 mi3.11 mi16400+455553+15553+116230(Top 61%)5490(Top 48%)5490(Top 455%)
Half13.11 mi0.68 mi16358+425529+245529+2415774(Top 59%)5180(Top 45%)5180(Top 429%)
25K15.53 mi2.42 mi16594-2365692-1635692-16317672(Top 66%)6380(Top 56%)6380(Top 529%)
30K18.64 mi3.11 mi16501+935686+65686+616397(Top 62%)5726(Top 50%)5726(Top 474%)
20M20.00 mi1.36 mi16507-65704-185704-1816752(Top 63%)6003(Top 53%)6003(Top 497%)
21M21.00 mi1.00 mi16465+425688+165688+1616222(Top 61%)5750(Top 50%)5750(Top 476%)
35K21.75 mi0.75 mi16449+165686+25686+216129(Top 61%)5768(Top 50%)5768(Top 478%)
23M23.00 mi1.25 mi16398+515670+165670+1615858(Top 60%)5658(Top 50%)5658(Top 469%)
24M24.00 mi1.00 mi16390+85684-145684-1416311(Top 61%)5974(Top 52%)5974(Top 495%)
40K24.85 mi0.85 mi16370+205698-145698-1416302(Top 61%)6027(Top 53%)6027(Top 499%)
25.2M25.20 mi0.35 mi163705702-45702-416234(Top 61%)6001(Top 53%)6001(Top 497%)
Finish26.22 mi1.02 mi16466-965767-655767-6518516(Top 70%)7174(Top 63%)7174(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16811

Females

5803

F50-54

5803

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15956

Females

5253

F50-54

5253

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16811

Females

5803

F50-54

5803

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16230

Females

5490

F50-54

5490

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15774

Females

5180

F50-54

5180

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17672

Females

6380

F50-54

6380

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16397

Females

5726

F50-54

5726

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16752

Females

6003

F50-54

6003

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16222

Females

5750

F50-54

5750

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16129

Females

5768

F50-54

5768

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15858

Females

5658

F50-54

5658

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16311

Females

5974

F50-54

5974

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16302

Females

6027

F50-54

6027

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16234

Females

6001

F50-54

6001

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18516

Females

7174

F50-54

7174

Passing Analysis

Category:
Athletes Passed
1778
Passed By
1591
Net Change
+187
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16653
5K → 10K556153+403#16653#16250
10K → 15K123318-195#16250#16445
15K → 20K189144+45#16445#16400
20K → Half5816+42#16400#16358
Half → 25K72308-236#16358#16594
25K → 30K226133+93#16594#16501
30K → 20M7783-6#16501#16507
20M → 21M9856+42#16507#16465
21M → 35K5842+16#16465#16449
35K → 23M10554+51#16449#16398
23M → 24M7062+8#16398#16390
24M → 40K8262+20#16390#16370
40K → 25.2M31310#16370#16370
25.2M → Finish33129-96#16370#16466
TOTALS17781591+187
📊

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