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BOSTON MARATHON 2023

Alex Stevens

Bib: 15426•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #10938
Start → 5K
23:44 | 7:38/mi
10K· 6.21 mi
47:18
Rank: #11030 (-92)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:13:25
Rank: #13390 (-2360)
10K → 15K
26:07 | 8:24/mi
20K· 12.43 mi
1:38:42
Rank: #13642 (-252)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:44:01
Rank: #13592 (+50)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:05:23
Rank: #14444 (-852)
Half → 25K
21:22 | 8:49/mi
30K· 18.64 mi
2:33:57
Rank: #15188 (-744)
25K → 30K
28:34 | 9:12/mi
20M
2:46:02
Rank: #15248 (-60)
30K → 20M
12:05 | 8:54/mi
21M
2:57:11
Rank: #15781 (-533)
20M → 21M
11:09 | 11:09/mi
35K· 21.75 mi
3:03:23
Rank: #15698 (+83)
21M → 35K
6:12 | 8:17/mi
23M
3:16:02
Rank: #16106 (-408)
35K → 23M
12:39 | 10:06/mi
24M
3:24:34
Rank: #16028 (+78)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:32:55
Rank: #16177 (-149)
24M → 40K
8:21 | 9:46/mi
25.2M
3:36:51
Rank: #16318 (-141)
40K → 25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
3:46:08
Rank: #16407 (-89)
25.2M → Finish
9:17 | 9:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:01
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:02:07
Pace9:19 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2823:447:3823:44
7:38
-
10K
6.21 mi11:17:0247:187:3723:34
7:35
-0:03
15K
9.32 mi11:43:091:13:257:5326:07
8:24
+0:49
20K
12.43 mi12:08:261:38:427:5725:17
8:08
-0:16
Half
13.11 mi12:13:451:44:017:565:19
7:48
-0:20
25K
15.53 mi12:35:072:05:238:0421:22
8:49
+1:01
30K
18.64 mi13:03:412:33:578:1628:34
9:12
+0:23
20M
20.00 mi13:15:462:46:028:1812:05
8:54
-0:18
21M
21.00 mi13:26:552:57:118:2611:09
11:09
+2:15
35K
21.75 mi13:33:073:03:238:266:12
8:17
-2:52
23M
23.00 mi13:45:463:16:028:3112:39
10:06
+1:49
24M
24.00 mi13:54:183:24:348:318:32
8:32
-1:34
40K
24.85 mi14:02:393:32:558:348:21
9:46
+1:14
25.2M
25.20 mi14:06:353:36:518:363:56
11:24
+1:38
Finish
26.22 mi14:15:523:46:088:389:17
9:07
-2:17

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

7:35 /mi

Average Pace

8:38 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:54

34% of race

Time at Steady Pace

1:52:09

50% of race

Time at Slower Pace

36:05

16% of race

Average Pace: 8:37 /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 mi10:53:2823:447:3823:44
7:38
#10938
10K
6.21 mi11:17:0247:187:3723:34
7:35
#11030
15K
9.32 mi11:43:091:13:257:5326:07
8:24
#13390
20K
12.43 mi12:08:261:38:427:5725:17
8:08
#13642
Half
13.11 mi12:13:451:44:017:565:19
7:48
#13592
25K
15.53 mi12:35:072:05:238:0421:22
8:49
#14444
30K
18.64 mi13:03:412:33:578:1628:34
9:12
#15188
20M
20.00 mi13:15:462:46:028:1812:05
8:54
#15248
21M
21.00 mi13:26:552:57:118:2611:09
11:09
#15781
35K
21.75 mi13:33:073:03:238:266:12
8:17
#15698
23M
23.00 mi13:45:463:16:028:3112:39
10:06
#16106
24M
24.00 mi13:54:183:24:348:318:32
8:32
#16028
40K
24.85 mi14:02:393:32:558:348:21
9:46
#16177
25.2M
25.20 mi14:06:353:36:518:363:56
11:24
#16318
Finish
26.22 mi14:15:523:46:088:389:17
9:07
#16407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109382304230417190(Top 65%)6040(Top 53%)6040(Top 124%)
10K6.21 mi3.10 mi11030-922347-432347-4311216(Top 42%)2448(Top 21%)2448(Top 50%)
15K9.32 mi3.11 mi13390-23603688-13413688-134117190(Top 65%)6040(Top 53%)6040(Top 124%)
20K12.43 mi3.11 mi13642-2523877-1893877-18914526(Top 55%)4425(Top 39%)4425(Top 91%)
Half13.11 mi0.68 mi13592+503838+393838+3912779(Top 48%)3385(Top 30%)3385(Top 69%)
25K15.53 mi2.42 mi14444-8524371-5334371-53318025(Top 68%)6560(Top 57%)6560(Top 134%)
30K18.64 mi3.11 mi15188-7444878-5074878-50718141(Top 68%)6726(Top 59%)6726(Top 138%)
20M20.00 mi1.36 mi15248-604943-654943-6515984(Top 60%)5566(Top 49%)5566(Top 114%)
21M21.00 mi1.00 mi15781-5335289-3465289-34621147(Top 79%)8532(Top 75%)8532(Top 175%)
35K21.75 mi0.75 mi15698+835258+315258+3114084(Top 53%)4620(Top 40%)4620(Top 95%)
23M23.00 mi1.25 mi16106-4085515-2575515-25720293(Top 76%)8123(Top 71%)8123(Top 166%)
24M24.00 mi1.00 mi16028+785483+325483+3214708(Top 55%)5076(Top 44%)5076(Top 104%)
40K24.85 mi0.85 mi16177-1495578-955578-9519276(Top 72%)7634(Top 67%)7634(Top 156%)
25.2M25.20 mi0.35 mi16318-1415671-935671-9321355(Top 80%)8774(Top 77%)8774(Top 180%)
Finish26.22 mi1.02 mi16407-895726-555726-5518515(Top 70%)7173(Top 63%)7173(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17190

Females

6040

F18-39

6040

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11216

Females

2448

F18-39

2448

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17190

Females

6040

F18-39

6040

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14526

Females

4425

F18-39

4425

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12779

Females

3385

F18-39

3385

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18025

Females

6560

F18-39

6560

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18141

Females

6726

F18-39

6726

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15984

Females

5566

F18-39

5566

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21147

Females

8532

F18-39

8532

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14084

Females

4620

F18-39

4620

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20293

Females

8123

F18-39

8123

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14708

Females

5076

F18-39

5076

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19276

Females

7634

F18-39

7634

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21355

Females

8774

F18-39

8774

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18515

Females

7173

F18-39

7173

Passing Analysis

Category:
Athletes Passed
845
Passed By
6314
Net Change
-5469
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10938
5K → 10K254346-92#10938#11030
10K → 15K52365-2360#11030#13390
15K → 20K108360-252#13390#13642
20K → Half6616+50#13642#13592
Half → 25K25877-852#13592#14444
25K → 30K37781-744#14444#15188
30K → 20M63123-60#15188#15248
20M → 21M14547-533#15248#15781
21M → 35K907+83#15781#15698
35K → 23M18426-408#15698#16106
23M → 24M10325+78#16106#16028
24M → 40K23172-149#16028#16177
40K → 25.2M5146-141#16177#16318
25.2M → Finish34123-89#16318#16407
TOTALS8456314-5469
📊

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