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BOSTON MARATHON 2023

Alexis Nees

Bib: 23651•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F55-59)
#0 / 815
Top 19%
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
8:34/mi
26:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
53:06
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:20:19
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:46:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:52:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:13:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:40:48
↑ 181↓ 1480.2%
20M
8:45/mi
2:52:42
↑ 64↓ 500.2%
21M
9:16/mi
3:01:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
3:08:10
↑ 17↓ 861.7%
23M
8:50/mi
3:19:13
↑ 23↓ 630.6%
24M
8:35/mi
3:27:48
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:35:20
↓ 200.3%
25.2M
9:31/mi
3:38:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
3:47:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:38
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:54:59
Pace8:46 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2426:388:3426:38
8:34
-
10K
6.21 mi11:47:5253:068:3326:28
8:31
-0:03
15K
9.32 mi12:15:051:20:198:3727:13
8:46
+0:15
20K
12.43 mi12:41:391:46:538:3626:34
8:33
-0:13
Half
13.11 mi12:47:241:52:388:355:45
8:26
-0:07
25K
15.53 mi13:08:162:13:308:3620:52
8:36
+0:10
30K
18.64 mi13:35:342:40:488:3827:18
8:47
+0:11
20M
20.00 mi13:47:282:52:428:3811:54
8:45
-0:02
21M
21.00 mi13:56:443:01:588:409:16
9:16
+0:31
35K
21.75 mi14:02:563:08:108:396:12
8:17
-0:59
23M
23.00 mi14:13:593:19:138:4011:03
8:50
+0:33
24M
24.00 mi14:22:343:27:488:408:35
8:35
-0:15
40K
24.85 mi14:30:063:35:208:407:32
8:49
+0:14
25.2M
25.20 mi14:33:233:38:378:413:17
9:31
+0:42
Finish
26.22 mi14:42:233:47:378:419:00
8:50
-0:41

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

8:17 /mi

Average Pace

8:41 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:04

94% of race

Time at Steady Pace

12:33

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:21:2426:388:3426:38
8:34
#18056
10K
6.21 mi11:47:5253:068:3326:28
8:31
#18173
15K
9.32 mi12:15:051:20:198:3727:13
8:46
#18578
20K
12.43 mi12:41:391:46:538:3626:34
8:33
#18210
Half
13.11 mi12:47:241:52:388:355:45
8:26
#18155
25K
15.53 mi13:08:162:13:308:3620:52
8:36
#17916
30K
18.64 mi13:35:342:40:488:3827:18
8:47
#17521
20M
20.00 mi13:47:282:52:428:3811:54
8:45
#17335
21M
21.00 mi13:56:443:01:588:409:16
9:16
#17184
35K
21.75 mi14:02:563:08:108:396:12
8:17
#17071
23M
23.00 mi14:13:593:19:138:4011:03
8:50
#16947
24M
24.00 mi14:22:343:27:488:408:35
8:35
#16874
40K
24.85 mi14:30:063:35:208:407:32
8:49
#16787
25.2M
25.20 mi14:33:233:38:378:413:17
9:31
#16749
Finish
26.22 mi14:42:233:47:378:419:00
8:50
#16775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi180566591659119298(Top 72%)7264(Top 64%)7264(Top 891%)
10K6.21 mi3.10 mi18173-1176630-396630-3918371(Top 69%)6701(Top 59%)6701(Top 822%)
15K9.32 mi3.11 mi18578-4056867-2376867-23719298(Top 72%)7264(Top 64%)7264(Top 891%)
20K12.43 mi3.11 mi18210+3686636+2316636+23117188(Top 65%)6042(Top 53%)6042(Top 741%)
Half13.11 mi0.68 mi18155+556605+316605+3117342(Top 65%)6088(Top 53%)6088(Top 747%)
25K15.53 mi2.42 mi17916+2396489+1166489+11616848(Top 63%)5921(Top 52%)5921(Top 727%)
30K18.64 mi3.11 mi17521+3956268+2216268+22115986(Top 60%)5491(Top 48%)5491(Top 674%)
20M20.00 mi1.36 mi17335+1866179+896179+8915220(Top 57%)5129(Top 45%)5129(Top 629%)
21M21.00 mi1.00 mi17184+1516102+776102+7714852(Top 56%)4971(Top 44%)4971(Top 610%)
35K21.75 mi0.75 mi17071+1136044+586044+5814087(Top 53%)4623(Top 40%)4623(Top 567%)
23M23.00 mi1.25 mi16947+1245991+535991+5315153(Top 57%)5270(Top 46%)5270(Top 647%)
24M24.00 mi1.00 mi16874+735967+245967+2415004(Top 56%)5242(Top 46%)5242(Top 643%)
40K24.85 mi0.85 mi16787+875933+345933+3415165(Top 57%)5395(Top 47%)5395(Top 662%)
25.2M25.20 mi0.35 mi16749+385922+115922+1115351(Top 58%)5512(Top 48%)5512(Top 676%)
Finish26.22 mi1.02 mi16775-265947-255947-2517217(Top 65%)6494(Top 57%)6494(Top 797%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19298

Females

7264

F55-59

7264

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18371

Females

6701

F55-59

6701

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19298

Females

7264

F55-59

7264

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17188

Females

6042

F55-59

6042

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17342

Females

6088

F55-59

6088

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16848

Females

5921

F55-59

5921

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15986

Females

5491

F55-59

5491

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15220

Females

5129

F55-59

5129

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14852

Females

4971

F55-59

4971

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14087

Females

4623

F55-59

4623

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15153

Females

5270

F55-59

5270

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15004

Females

5242

F55-59

5242

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15165

Females

5395

F55-59

5395

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15351

Females

5512

F55-59

5512

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17217

Females

6494

F55-59

6494

Passing Analysis

Category:
Athletes Passed
2418
Passed By
1137
Net Change
+1281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18056
5K → 10K247364-117#18056#18173
10K → 15K72477-405#18173#18578
15K → 20K39527+368#18578#18210
20K → Half6813+55#18210#18155
Half → 25K26829+239#18155#17916
25K → 30K42126+395#17916#17521
30K → 20M19812+186#17521#17335
20M → 21M17423+151#17335#17184
21M → 35K1196+113#17184#17071
35K → 23M14521+124#17071#16947
23M → 24M10128+73#16947#16874
24M → 40K10316+87#16874#16787
40K → 25.2M468+38#16787#16749
25.2M → Finish6187-26#16749#16775
TOTALS24181137+1281
📊

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