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BOSTON MARATHON 2023

Ann Nelson

Bib: 22989•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:37
Rank: #21246
Start → 5K
28:37 | 9:13/mi
10K· 6.21 mi
57:20
Rank: #21492 (-246)
5K → 10K
28:43 | 9:15/mi
15K· 9.32 mi
1:25:58
Rank: #21437 (+55)
10K → 15K
28:38 | 9:13/mi
20K· 12.43 mi
1:54:41
Rank: #21281 (+156)
15K → 20K
28:43 | 9:15/mi
Half· 13.11 mi
2:00:55
Rank: #21258 (+23)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:24:32
Rank: #21299 (-41)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
2:54:28
Rank: #21045 (+254)
25K → 30K
29:56 | 9:38/mi
20M
3:07:21
Rank: #20856 (+189)
30K → 20M
12:53 | 9:29/mi
21M
3:17:49
Rank: #20760 (+96)
20M → 21M
10:28 | 10:28/mi
35K· 21.75 mi
3:24:35
Rank: #20653 (+107)
21M → 35K
6:46 | 9:03/mi
23M
3:36:41
Rank: #20535 (+118)
35K → 23M
12:06 | 9:40/mi
24M
3:45:52
Rank: #20429 (+106)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
3:53:42
Rank: #20309 (+120)
24M → 40K
7:50 | 9:10/mi
25.2M
3:57:09
Rank: #20264 (+45)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
4:06:19
Rank: #20193 (+71)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:55
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:05:24
Pace9:34 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5728:379:1328:37
9:13
-
10K
6.21 mi11:51:4057:209:1428:43
9:15
+0:02
15K
9.32 mi12:20:181:25:589:1328:38
9:13
-0:02
20K
12.43 mi12:49:011:54:419:1428:43
9:15
+0:02
Half
13.11 mi12:55:152:00:559:136:14
9:08
-0:07
25K
15.53 mi13:18:522:24:329:1823:37
9:44
+0:36
30K
18.64 mi13:48:482:54:289:2229:56
9:38
-0:06
20M
20.00 mi14:01:413:07:219:2212:53
9:29
-0:09
21M
21.00 mi14:12:093:17:499:2510:28
10:28
+0:59
35K
21.75 mi14:18:553:24:359:246:46
9:03
-1:25
23M
23.00 mi14:31:013:36:419:2512:06
9:40
+0:37
24M
24.00 mi14:40:123:45:529:259:11
9:11
-0:29
40K
24.85 mi14:48:023:53:429:247:50
9:10
-0:01
25.2M
25.20 mi14:51:293:57:099:253:27
10:00
+0:50
Finish
26.22 mi15:00:394:06:199:249:10
9:00
-1:00

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

9:00 /mi

Average Pace

9:24 /mi

Slowest Pace

10:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:52:24

94% of race

Time at Steady Pace

13:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:24 /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 mi11:22:5728:379:1328:37
9:13
#21246
10K
6.21 mi11:51:4057:209:1428:43
9:15
#21492
15K
9.32 mi12:20:181:25:589:1328:38
9:13
#21437
20K
12.43 mi12:49:011:54:419:1428:43
9:15
#21281
Half
13.11 mi12:55:152:00:559:136:14
9:08
#21258
25K
15.53 mi13:18:522:24:329:1823:37
9:44
#21299
30K
18.64 mi13:48:482:54:289:2229:56
9:38
#21045
20M
20.00 mi14:01:413:07:219:2212:53
9:29
#20856
21M
21.00 mi14:12:093:17:499:2510:28
10:28
#20760
35K
21.75 mi14:18:553:24:359:246:46
9:03
#20653
23M
23.00 mi14:31:013:36:419:2512:06
9:40
#20535
24M
24.00 mi14:40:123:45:529:259:11
9:11
#20429
40K
24.85 mi14:48:023:53:429:247:50
9:10
#20309
25.2M
25.20 mi14:51:293:57:099:253:27
10:00
#20264
Finish
26.22 mi15:00:394:06:199:249:10
9:00
#20193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi212468499849921366(Top 80%)8432(Top 74%)8432(Top 1035%)
10K6.21 mi3.10 mi21492-2468578-798578-7921756(Top 82%)8688(Top 76%)8688(Top 1066%)
15K9.32 mi3.11 mi21437+558519+598519+5921366(Top 80%)8432(Top 74%)8432(Top 1035%)
20K12.43 mi3.11 mi21281+1568423+968423+9620750(Top 78%)8088(Top 71%)8088(Top 992%)
Half13.11 mi0.68 mi21258+238405+188405+1820970(Top 79%)8226(Top 72%)8226(Top 1009%)
25K15.53 mi2.42 mi21299-418432-278432-2721583(Top 81%)8604(Top 75%)8604(Top 1056%)
30K18.64 mi3.11 mi21045+2548307+1258307+12519926(Top 75%)7724(Top 68%)7724(Top 948%)
20M20.00 mi1.36 mi20856+1898211+968211+9618810(Top 71%)7202(Top 63%)7202(Top 884%)
21M21.00 mi1.00 mi20760+968167+448167+4419504(Top 73%)7646(Top 67%)7646(Top 938%)
35K21.75 mi0.75 mi20653+1078119+488119+4818118(Top 68%)6912(Top 61%)6912(Top 848%)
23M23.00 mi1.25 mi20535+1188071+488071+4818971(Top 71%)7393(Top 65%)7393(Top 907%)
24M24.00 mi1.00 mi20429+1068024+478024+4718029(Top 68%)6924(Top 61%)6924(Top 850%)
40K24.85 mi0.85 mi20309+1207964+607964+6016969(Top 64%)6393(Top 56%)6393(Top 784%)
25.2M25.20 mi0.35 mi20264+457945+197945+1917478(Top 66%)6711(Top 59%)6711(Top 823%)
Finish26.22 mi1.02 mi20193+717914+317914+3117986(Top 68%)6912(Top 61%)6912(Top 848%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21366

Females

8432

F55-59

8432

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21756

Females

8688

F55-59

8688

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21366

Females

8432

F55-59

8432

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20750

Females

8088

F55-59

8088

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20970

Females

8226

F55-59

8226

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21583

Females

8604

F55-59

8604

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

19926

Females

7724

F55-59

7724

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18810

Females

7202

F55-59

7202

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19504

Females

7646

F55-59

7646

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18118

Females

6912

F55-59

6912

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18971

Females

7393

F55-59

7393

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18029

Females

6924

F55-59

6924

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16969

Females

6393

F55-59

6393

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17478

Females

6711

F55-59

6711

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

17986

Females

6912

F55-59

6912

Passing Analysis

Category:
Athletes Passed
1909
Passed By
856
Net Change
+1053
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21246
5K → 10K161407-246#21246#21492
10K → 15K194139+55#21492#21437
15K → 20K22266+156#21437#21281
20K → Half3512+23#21281#21258
Half → 25K98139-41#21258#21299
25K → 30K28834+254#21299#21045
30K → 20M1967+189#21045#20856
20M → 21M11216+96#20856#20760
21M → 35K1092+107#20760#20653
35K → 23M13113+118#20653#20535
23M → 24M1126+106#20535#20429
24M → 40K1233+120#20429#20309
40K → 25.2M494+45#20309#20264
25.2M → Finish798+71#20264#20193
TOTALS1909856+1053
📊

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