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BOSTON MARATHON 2023

Angela Zimmerman

Bib: 23933•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:01
Rank: #18881
Start → 5K
27:01 | 8:42/mi
10K· 6.21 mi
55:22
Rank: #20263 (-1382)
5K → 10K
28:21 | 9:07/mi
15K· 9.32 mi
1:24:41
Rank: #20966 (-703)
10K → 15K
29:19 | 9:26/mi
20K· 12.43 mi
1:54:32
Rank: #21236 (-270)
15K → 20K
29:51 | 9:36/mi
Half· 13.11 mi
2:00:52
Rank: #21248 (-12)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:24:05
Rank: #21203 (+45)
Half → 25K
23:13 | 9:35/mi
30K· 18.64 mi
2:55:31
Rank: #21222 (-19)
25K → 30K
31:26 | 10:07/mi
20M
3:09:29
Rank: #21199 (+23)
30K → 20M
13:58 | 10:17/mi
21M
3:20:44
Rank: #21220 (-21)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:28:05
Rank: #21192 (+28)
21M → 35K
7:21 | 9:50/mi
23M
3:40:24
Rank: #21073 (+119)
35K → 23M
12:19 | 9:50/mi
24M
3:49:59
Rank: #20992 (+81)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:58:31
Rank: #20938 (+54)
24M → 40K
8:32 | 9:59/mi
25.2M
4:02:14
Rank: #20908 (+30)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:12:00
Rank: #20874 (+34)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:52
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:11:08
Pace10:00 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5427:018:4227:01
8:42
-
10K
6.21 mi11:50:1555:228:5528:21
9:07
+0:25
15K
9.32 mi12:19:341:24:419:0529:19
9:26
+0:19
20K
12.43 mi12:49:251:54:329:1329:51
9:36
+0:10
Half
13.11 mi12:55:452:00:529:136:20
9:17
-0:19
25K
15.53 mi13:18:582:24:059:1723:13
9:35
+0:18
30K
18.64 mi13:50:242:55:319:2531:26
10:07
+0:32
20M
20.00 mi14:04:223:09:299:2813:58
10:17
+0:10
21M
21.00 mi14:15:373:20:449:3411:15
11:15
+0:58
35K
21.75 mi14:22:583:28:059:347:21
9:50
-1:25
23M
23.00 mi14:35:173:40:249:3512:19
9:50
0:00
24M
24.00 mi14:44:523:49:599:359:35
9:35
-0:15
40K
24.85 mi14:53:243:58:319:368:32
9:59
+0:24
25.2M
25.20 mi14:57:074:02:149:373:43
10:47
+0:48
Finish
26.22 mi15:06:534:12:009:379:46
9:35
-1:12

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

8:42 /mi

Average Pace

9:37 /mi

Slowest Pace

11:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:42

24% of race

Time at Steady Pace

2:01:24

48% of race

Time at Slower Pace

1:08:54

27% of race

Average Pace: 9:37 /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 mi11:21:5427:018:4227:01
8:42
#18881
10K
6.21 mi11:50:1555:228:5528:21
9:07
#20263
15K
9.32 mi12:19:341:24:419:0529:19
9:26
#20966
20K
12.43 mi12:49:251:54:329:1329:51
9:36
#21236
Half
13.11 mi12:55:452:00:529:136:20
9:17
#21248
25K
15.53 mi13:18:582:24:059:1723:13
9:35
#21203
30K
18.64 mi13:50:242:55:319:2531:26
10:07
#21222
20M
20.00 mi14:04:223:09:299:2813:58
10:17
#21199
21M
21.00 mi14:15:373:20:449:3411:15
11:15
#21220
35K
21.75 mi14:22:583:28:059:347:21
9:50
#21192
23M
23.00 mi14:35:173:40:249:3512:19
9:50
#21073
24M
24.00 mi14:44:523:49:599:359:35
9:35
#20992
40K
24.85 mi14:53:243:58:319:368:32
9:59
#20938
25.2M
25.20 mi14:57:074:02:149:373:43
10:47
#20908
Finish
26.22 mi15:06:534:12:009:379:46
9:35
#20874
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi188817132713222068(Top 83%)8824(Top 77%)8824(Top 1674%)
10K6.21 mi3.10 mi20263-13827903-7717903-77121384(Top 80%)8489(Top 74%)8489(Top 1611%)
15K9.32 mi3.11 mi20966-7038271-3688271-36822068(Top 83%)8824(Top 77%)8824(Top 1674%)
20K12.43 mi3.11 mi21236-2708399-1288399-12821889(Top 82%)8736(Top 76%)8736(Top 1658%)
Half13.11 mi0.68 mi21248-128398+18398+121471(Top 81%)8500(Top 74%)8500(Top 1613%)
25K15.53 mi2.42 mi21203+458380+188380+1821076(Top 79%)8306(Top 73%)8306(Top 1576%)
30K18.64 mi3.11 mi21222-198407-278407-2721326(Top 80%)8529(Top 75%)8529(Top 1618%)
20M20.00 mi1.36 mi21199+238416-98416-921217(Top 80%)8528(Top 75%)8528(Top 1618%)
21M21.00 mi1.00 mi21220-218435-198435-1921380(Top 80%)8671(Top 76%)8671(Top 1645%)
35K21.75 mi0.75 mi21192+288430+58430+520854(Top 78%)8419(Top 74%)8419(Top 1598%)
23M23.00 mi1.25 mi21073+1198373+578373+5719515(Top 73%)7694(Top 67%)7694(Top 1460%)
24M24.00 mi1.00 mi20992+818341+328341+3219522(Top 73%)7732(Top 68%)7732(Top 1467%)
40K24.85 mi0.85 mi20938+548322+198322+1919918(Top 75%)8019(Top 70%)8019(Top 1522%)
25.2M25.20 mi0.35 mi20908+308307+158307+1519951(Top 75%)8040(Top 70%)8040(Top 1526%)
Finish26.22 mi1.02 mi20874+348301+68301+620437(Top 77%)8266(Top 72%)8266(Top 1569%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22068

Females

8824

F60-64

8824

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21384

Females

8489

F60-64

8489

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22068

Females

8824

F60-64

8824

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21889

Females

8736

F60-64

8736

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21471

Females

8500

F60-64

8500

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21076

Females

8306

F60-64

8306

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21326

Females

8529

F60-64

8529

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21217

Females

8528

F60-64

8528

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21380

Females

8671

F60-64

8671

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20854

Females

8419

F60-64

8419

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19515

Females

7694

F60-64

7694

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19522

Females

7732

F60-64

7732

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19918

Females

8019

F60-64

8019

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19951

Females

8040

F60-64

8040

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20437

Females

8266

F60-64

8266

Passing Analysis

Category:
Athletes Passed
975
Passed By
2968
Net Change
-1993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18881
5K → 10K361418-1382#18881#20263
10K → 15K35738-703#20263#20966
15K → 20K66336-270#20966#21236
20K → Half2032-12#21236#21248
Half → 25K13287+45#21248#21203
25K → 30K125144-19#21203#21222
30K → 20M7956+23#21222#21199
20M → 21M5172-21#21199#21220
21M → 35K4820+28#21220#21192
35K → 23M12910+119#21192#21073
23M → 24M909+81#21073#20992
24M → 40K6410+54#20992#20938
40K → 25.2M344+30#20938#20908
25.2M → Finish6632+34#20908#20874
TOTALS9752968-1993
📊

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